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    FOR PUSH-PULL CONNECT WITH LAMP TL494 Result Highlights (5)

    Part ECAD Model Manufacturer Description Download Buy
    TCTH011AE Toshiba Electronic Devices & Storage Corporation Over Temperature Detection IC / VDD=1.7~5.5V / IPTCO=1μA / IDD=1.8μA / Push-pull type Visit Toshiba Electronic Devices & Storage Corporation
    TCTH022AE Toshiba Electronic Devices & Storage Corporation Over Temperature Detection IC / VDD=1.7~5.5V / IPTCO=10μA / IDD=11.3μA / Push-pull type / FLAG signal latch function Visit Toshiba Electronic Devices & Storage Corporation
    TCTH021AE Toshiba Electronic Devices & Storage Corporation Over Temperature Detection IC / VDD=1.7~5.5V / IPTCO=10μA / IDD=11.3μA / Push-pull type Visit Toshiba Electronic Devices & Storage Corporation
    TCTH012AE Toshiba Electronic Devices & Storage Corporation Over Temperature Detection IC / VDD=1.7~5.5V / IPTCO=1μA / IDD=1.8μA / Push-pull type / FLAG signal latch function Visit Toshiba Electronic Devices & Storage Corporation
    TMPM4GQF15FG Toshiba Electronic Devices & Storage Corporation Arm Cortex-M4 processor with FPU Core Based Microcontroller/32bit/P-LQFP144-2020-0.50-002 Visit Toshiba Electronic Devices & Storage Corporation

    FOR PUSH-PULL CONNECT WITH LAMP TL494 Datasheets Context Search

    Catalog Datasheet MFG & Type Document Tags PDF

    SD MOSFET DRIVE 4468 8 PIN

    Abstract: eltek rectifier module circuit diagram IRF830 smps design with TL431 UNITRODE applications handbook uc3842 -96 UC3842 smps design with TL431 3842 smps battery charger circuit electronic transformer halogen ret 220c 500 WATT smps using ka3844 eltek smps 1000 si 48v tpa 5017
    Text: You are in Databook Vol. 2b • Click for Main Menu Product Categories CLICK ANY ITEM Return to Main Menu Volume 2b Table of Contents Volume 2b Part Number and App. Note/Hint Index General Information PC Card Power Protected Switches Low-Dropout Linear Voltage Regulators


    Original     		MIC5014. MIC5014 SN54COO IRLZ24 1N754 MIC5016BN 100pF SD MOSFET DRIVE 4468 8 PIN eltek rectifier module circuit diagram IRF830 smps design with TL431 UNITRODE applications handbook uc3842 -96 UC3842 smps design with TL431 3842 smps battery charger circuit electronic transformer halogen ret 220c 500 WATT smps using ka3844 eltek smps 1000 si 48v tpa 5017 PDF

    TL494 car charger schematic diagram

    Abstract: samsung galaxy s2 controller for PWM fan tl494 1A current to 0-5v voltage converter using LM317 SMD LD33 capacitor huang 2200uF 35V uc3843 flyback supply opto-coupler SMD MOSFET DRIVE 4606 schematic lcd inverter samsung sine wave inverter tl494 circuit diagram
    Text: Micrel Semiconductor 1997 Databook 1 _ General Information 2 _ Computer Peripherals 3 _ Low-Dropout Linear Voltage Regulators 4 _ Switch-Mode Voltage Regulators 5 _ MOSFET Drivers 6 _


    Original     		accurat49565 TL494 car charger schematic diagram samsung galaxy s2 controller for PWM fan tl494 1A current to 0-5v voltage converter using LM317 SMD LD33 capacitor huang 2200uF 35V uc3843 flyback supply opto-coupler SMD MOSFET DRIVE 4606 schematic lcd inverter samsung sine wave inverter tl494 circuit diagram PDF

    spw -079 transformer

    Abstract: samsung galaxy s2 numeric digital 600 plus ups ckt diagram samsung galaxy s2 display Zener Diode ph 4148 ph 4148 zener diode CD4046 spice model DIODE SMD L4W lm2576 spice SN75492
    Text: Micrel Semiconductor 1997 Databook 1 _ General Information 2 _ Computer Peripherals 3 _ Low-Dropout Linear Voltage Regulators 4 _ Switch-Mode Voltage Regulators 5 _ MOSFET Drivers 6 _


    Original     		1-06A spw -079 transformer samsung galaxy s2 numeric digital 600 plus ups ckt diagram samsung galaxy s2 display Zener Diode ph 4148 ph 4148 zener diode CD4046 spice model DIODE SMD L4W lm2576 spice SN75492 PDF

    bpl color tv Circuit Diagram schematics

    Abstract: Solar Garden Light YX 805 4 pin 7-level cascaded H-bridge inverter hardware design TL494 car charger schematic diagram LG color tv Circuit Diagram schematics atx power supply UC3842 diagram sfe10.7mhy uln2803 spice model UVC3101 schematic LG TV lcd backlight inverter
    Text: Volumes II I Alphanumeric Index and Cross References 1 I Amplifiers and Comparators 2 I Power Supply Circuits 3 I Power/Motor Control Circuits 4 II Voltage References 5 II Data Conversion 6 II Interface Circuits 7 II Communication Circuits 8 II Consumer Electronic Circuits


    Original     		LM2575 MC78BC00 MC78FC00 MC78LC00 MC33154 MC33264 DL128/D* DL128/D bpl color tv Circuit Diagram schematics Solar Garden Light YX 805 4 pin 7-level cascaded H-bridge inverter hardware design TL494 car charger schematic diagram LG color tv Circuit Diagram schematics atx power supply UC3842 diagram sfe10.7mhy uln2803 spice model UVC3101 schematic LG TV lcd backlight inverter PDF

    Ericsson Installation guide for RBS 6000

    Abstract: ericsson RBS 6000 series INSTALLATION MANUAL Philips Twin Eye PLN 2032 ERICSSON RBS 6000 Ericsson RBS 6000 hardware manual ericsson RBS 3206 dil relay 349-383 IGBT semikron 613 GB 123 CT ericsson RBS 6000 series Z0765A08PSC
    Text: Discontinued and Superseded Stock Number History. This document contains Discontinued and Superseded Stock Number History. The information is listed in the following format: Stock Number: The original RS Stock Number of the item. Brief Description: The Invoice Description of the item.


    Original     		304X264X130 CL200 TC554001FI-85L TC554001FTL-70 BMSKTOPAS900 BMSKTOPAS870 10/100TX 13X76 35X100 19X89 Ericsson Installation guide for RBS 6000 ericsson RBS 6000 series INSTALLATION MANUAL Philips Twin Eye PLN 2032 ERICSSON RBS 6000 Ericsson RBS 6000 hardware manual ericsson RBS 3206 dil relay 349-383 IGBT semikron 613 GB 123 CT ericsson RBS 6000 series Z0765A08PSC PDF

    dinverter 768r

    Abstract: G7D-412S Ericsson Installation guide for RBS 6201 OMRON G7d TH3 thermistor 6201 RBS ericsson user manual TMS77C82NL reed relay rs 349-355 i ball 450 watt smps repairing RBS -ericsson 6601
    Text: Discontinued and Superseded Stock Number History. This document contains Discontinued and Superseded Stock Number History. The information is listed in the following format: Stock Number: The original RS Stock Number of the item. Brief Description: The Invoice Description of the item.


    Original     		HEF4527BT HEF4531BT HEF4534BP HEF4534BT MSP-STK430X320 AD9054/PCB AD9054BST-135 IPS521G IPS521S IRL2203S dinverter 768r G7D-412S Ericsson Installation guide for RBS 6201 OMRON G7d TH3 thermistor 6201 RBS ericsson user manual TMS77C82NL reed relay rs 349-355 i ball 450 watt smps repairing RBS -ericsson 6601 PDF

    intel 845 MOTHERBOARD pcb CIRCUIT diagram

    Abstract: 200D6 SMD DIP-8 marking code E5 SMD ic sot23-5 4256 bwp TRANSISTOR SMD 6CW TL494 car charger schematic diagram SMD 6cw LM385 1.25V zener 6cw smd code marking mc7812a
    Text: DL128/D Rev. 7, Mar-2002 Analog Integrated Circuits Power Management, Signal Conditioning and ASSP Devices Literature Fulfillment: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada


    Original     		DL128/D Mar-2002 r14525 DL128 intel 845 MOTHERBOARD pcb CIRCUIT diagram 200D6 SMD DIP-8 marking code E5 SMD ic sot23-5 4256 bwp TRANSISTOR SMD 6CW TL494 car charger schematic diagram SMD 6cw LM385 1.25V zener 6cw smd code marking mc7812a PDF

    UC3842 smps design with TL431

    Abstract: atx power supply UC3842 diagram controller for PWM fan tl494 design smps 500 watt TL494 differences uc3842a uc3842b 250 watt uc3844 smps schematic TL494 AC-DC 150W application P6N60 600 watt uc3844 smps schematic MC34063 boost step up 24v
    Text: SMPSRM/D Rev. 2, Apr-2000 ON Semiconductor PUBLICATION ORDERING INFORMATION NORTH AMERICA Literature Fulfillment: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada


    Original     		Apr-2000 UC3842 smps design with TL431 atx power supply UC3842 diagram controller for PWM fan tl494 design smps 500 watt TL494 differences uc3842a uc3842b 250 watt uc3844 smps schematic TL494 AC-DC 150W application P6N60 600 watt uc3844 smps schematic MC34063 boost step up 24v PDF

    UC3842 smps design with TL431

    Abstract: MC34063 Boost MOSFET mc34063 step down with mosfet computer schematic power supply circuit diagram circuit diagram of mosfet based smps power supply smps with uc3842 and tl431 mc34063 step up with mosfet g6351 atx power supply UC3842 diagram schematic diagram dc-dc flyback converter
    Text: SWITCHMODEt Power Supplies Reference Manual and Design Guide SMPSRM/D Rev. 3A, July−2002 SCILLC, 2006 Previous Edition © 2002 “All Rights Reserved’’ SMPSRM ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC SCILLC . SCILLC reserves the right to make changes without further notice


    Original     		July-2002 UC3842 smps design with TL431 MC34063 Boost MOSFET mc34063 step down with mosfet computer schematic power supply circuit diagram circuit diagram of mosfet based smps power supply smps with uc3842 and tl431 mc34063 step up with mosfet g6351 atx power supply UC3842 diagram schematic diagram dc-dc flyback converter PDF

    triac ZO 410 MF

    Abstract: General Electric SCR Manual, Fifth Edition, 1972 Westinghouse SCR handbook Triac motor speed control rca thyristor manual Acid Battery charger 48 volt circuit tl494 triac with snubber WESTINGHOUSE dc motor GE 752 2n6027 practical application circuits phase control using moc3020 schematic
    Text: Thyristor Theory and Design Considerations Handbook HBD855/D Rev. 0, Jun−2005 SCILLC, 2005 Previous Edition © 2000 as Excerpted from DL137/D “All Rights Reserved’’ http://onsemi.com 1 ABOUT THYRISTORS Thyristors can take many forms, but they have certain


    Original     		HBD855/D Jun-2005 DL137/D triac ZO 410 MF General Electric SCR Manual, Fifth Edition, 1972 Westinghouse SCR handbook Triac motor speed control rca thyristor manual Acid Battery charger 48 volt circuit tl494 triac with snubber WESTINGHOUSE dc motor GE 752 2n6027 practical application circuits phase control using moc3020 schematic PDF

    Westinghouse SCR handbook

    Abstract: scr C106 OPTO TRIAC moc 3041 ZO 103 TRIAC thyristor driving circuit by using opto moc3022 sine wave inverter tl494 circuit diagram 1N4007 germanium diode dc 220v motor speed control circuit with scr moc 3021 dimmer lamp General Electric SCR Manual, Fifth Edition, 1972
    Text: Thyristor Theory and Design Considerations Handbook HBD855/D Rev. 1, Nov−2006 SCILLC, 2005 Previous Edition © 2005 as Excerpted from DL137/D “All Rights Reserved’’ http://onsemi.com 1 ABOUT THYRISTORS capacitor discharge ignitors, engine ignition systems, and


    Original     		HBD855/D Nov-2006 DL137/D Westinghouse SCR handbook scr C106 OPTO TRIAC moc 3041 ZO 103 TRIAC thyristor driving circuit by using opto moc3022 sine wave inverter tl494 circuit diagram 1N4007 germanium diode dc 220v motor speed control circuit with scr moc 3021 dimmer lamp General Electric SCR Manual, Fifth Edition, 1972 PDF

    SKIIP 33 nec 125 t2

    Abstract: skiip 613 gb 123 ct RBS 6302 ericsson SKIIP 513 gb 173 ct THERMISTOR ml TDK 150M pioneer PAL 010a Project Report of smoke alarm using IC 555 doc SKiip 83 EC 125 T1 ericsson RBS 6000 series INSTALLATION MANUAL Ericsson Installation guide for RBS 6302
    Text: Discontinued and Superseded Stock Number History. This document contains Discontinued and Superseded Stock Number History. The information is listed in the following format: Stock Number: The original RS Stock Number of the item. Brief Description: The Invoice Description of the item.


    Original     		734TL UWEB-MODEM-34 HCS412/WM TLV320AIC10IPFB 100MB NEON250 GA-60XM7E BLK32X40 BLK32X42 SKIIP 33 nec 125 t2 skiip 613 gb 123 ct RBS 6302 ericsson SKIIP 513 gb 173 ct THERMISTOR ml TDK 150M pioneer PAL 010a Project Report of smoke alarm using IC 555 doc SKiip 83 EC 125 T1 ericsson RBS 6000 series INSTALLATION MANUAL Ericsson Installation guide for RBS 6302 PDF

    TRIAC zo 607 MA

    Abstract: ZO 607 TRIAC Westinghouse SCR handbook tl-130 transformer BRX49 equivalent 800w class d circuit diagram schematics triac MAC 97 AB triac MAC 97 A6 ZO 103 TRIAC 1N5760
    Text: DL137/D Rev. 7, May-2000 Thyristor Device Data TRIACs, SCRs, Surge Suppressors, and Triggers ON Semiconductor Thyristor Device Data TRIACs, SCRs, Surge Suppressors, and Triggers DL137/D Rev. 7, May–2000  SCILLC, 2000 Previous Edition  1995 “All Rights Reserved’’


    Original     		DL137/D May-2000 r14525 TRIAC zo 607 MA ZO 607 TRIAC Westinghouse SCR handbook tl-130 transformer BRX49 equivalent 800w class d circuit diagram schematics triac MAC 97 AB triac MAC 97 A6 ZO 103 TRIAC 1N5760 PDF

    triac with snubber

    Abstract: RF transistor W2W TRIAC RCA Westinghouse SCR handbook BATTERY CHARGER SCR ZO 607 TRIAC 11Z13 TRIAC zo 607 MA AC 220v fan motor speed control triac bt136 220v dimmer light bt139
    Text: DL137/D Rev. 7, May-2000 Thyristor Device Data TRIACs, SCRs, Surge Suppressors, and Triggers ON Semiconductor Thyristor Device Data TRIACs, SCRs, Surge Suppressors, and Triggers DL137/D Rev. 7, May–2000  SCILLC, 2000 Previous Edition  1995 “All Rights Reserved’’


    Original     		DL137/D May-2000 r14525 DL137/D triac with snubber RF transistor W2W TRIAC RCA Westinghouse SCR handbook BATTERY CHARGER SCR ZO 607 TRIAC 11Z13 TRIAC zo 607 MA AC 220v fan motor speed control triac bt136 220v dimmer light bt139 PDF

    design smps 500 watt TL494

    Abstract: 600 watt uc3844 smps schematic UC3842 smps design with TL431 250 watt uc3844 smps schematic MOSFET HALF BRIDGE SMPS AC TO DC USING TL494 p6n60e MC34063 Boost MOSFET uc3844 smps power supply mc34063 step up with mosfet transformer orega 40346
    Text: SWITCHMODE t Power Supplies Reference Manual and Design Guide SMPSRM/D Rev. 0, 5/1999 SMPSRM Mfax is a trademark of Motorola, Inc. Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation


    Original     		PDF

    transistor C3866

    Abstract: Zener PH SEC E13009 ups circuit schematic diagram 1000w E13007 2 E13007 C3866 power transistor texas ttl 74L505 Transistor C3246
    Text: BID CΚΤ DOLLY L IST L OGO LIST SA F E TY & RELIA ΒL TY ΤΕΚ PIN SYSTE M DIGITA L IC's MEMORIES, MOS CMOS .EC L , TT L MICR OP R OC E SSOR SPE CIA L FUN CTION IC's DIGITAL l LINE AR K ARR AYS LIN E A R IC's (PUR CH ) ΤΕΚ-MADE IC's IC's INDEX (COL ORE D PGS)


    Original     		PDF

    PIC16F72 inverter ups

    Abstract: UPS inverter PIC16F72 PIC16F676 inverter hex code 16F877 with sd-card and lcd project circuit diagram wireless spy camera NH82801GB xmega-a4 online ups service manual back-ups ES 500 ARM LPC2148 INTERFACING WITH RFID circuit diagram realtek rtd 1186
    Text: the solutions are out there you just haven’t registered yet. RoadTest the newest products in the market! View the latest news, design support and hot new technologies for a range of applications Join the RoadTest group and be in with a chance to trial exclusive new products for free. Plus, read


    Original     		element-14 element14. element14, PIC16F72 inverter ups UPS inverter PIC16F72 PIC16F676 inverter hex code 16F877 with sd-card and lcd project circuit diagram wireless spy camera NH82801GB xmega-a4 online ups service manual back-ups ES 500 ARM LPC2148 INTERFACING WITH RFID circuit diagram realtek rtd 1186 PDF

    schematic diagram 48v dc convertor tl3845

    Abstract: sg3524 spice model for pspice schematic diagram 48v ac regulator uc3842 schematic diagram inverter 12v to 24v 30a audio Amp. mosfet 1000 watt 24v dc motor speed control lm324 mini-LVDS and TFT-LCD Timing Controller sg3524 spice model UC1825 spice 500 watt power circuit diagram uc3825
    Text: Selection Guide EIGHTH EDITION Analog/Mixed-Signal Products Designer’s Master Selection Guide August 2002 1996, 1997, 1999, 2000, 2001, 2002 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries TI reserve the right to make corrections, modifications,


    Original     		A060502 schematic diagram 48v dc convertor tl3845 sg3524 spice model for pspice schematic diagram 48v ac regulator uc3842 schematic diagram inverter 12v to 24v 30a audio Amp. mosfet 1000 watt 24v dc motor speed control lm324 mini-LVDS and TFT-LCD Timing Controller sg3524 spice model UC1825 spice 500 watt power circuit diagram uc3825 PDF

    220v AC voltage stabilizer schematic diagram

    Abstract: LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 AD9272 Analog Front End, iMEMS Accelerometers & Gyroscopes . . . . . . 782, 2583 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-528 Acceleration and Pressure Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2585


    Original     		AD9272 P462-ND LNG295LFCP2U P463-ND LNG395MFTP5U 220v AC voltage stabilizer schematic diagram LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx PDF

    Arduino Mega2560

    Abstract: 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l
    Text: ND3% BASE1 XXXX2108-0010-1-P 10 TSQ: 3001 CMS: CMS-USM TS host OP: NN COMP: 15-07-11 Hour: 13:07 TS:TS date TS time MCUS, MPUS, DSPS & DEVELOPMENT TOOLS Find Datasheets Online 8-BIT MCUS & DEVELOPMENT TOOLS 1 PSoC 3 DEVELOPMENT KITS ARDUINO MCU DEVLOPMENT PLATFORM


    Original     		CY8C38 CY8C29 incl795 12T9797 12T9804 12T9803 12T9800 12T9802 12T9801 12T9805 Arduino Mega2560 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l PDF

    uln2803 spice model

    Abstract: MC1303 MC3340 equivalent bpl color tv Circuit Diagram schematics RADIO SHACK PARTS CROSS REF ABSTRACT FOR super bright flashing led light siemens semiconductor manual ULN2804A 166NNF10264AG hall marking code A04
    Text: Volumes II Alphanumeric Index and Cross References 1 • Amplifiers and Comparators 2 Power Supply Circuits ■ 3 Power/Motor Control Circuits Voltage References Data Conversion Interface Circuits Communication Circuits . Consumer Electronic Circuits Automotive Electronic Circuits


    OCR Scan     		LM2575 MC78BC00 MC78FC00 MC78LC00 MC33154 MC33264 MC33341 MC33347 MC33348 MC33363A uln2803 spice model MC1303 MC3340 equivalent bpl color tv Circuit Diagram schematics RADIO SHACK PARTS CROSS REF ABSTRACT FOR super bright flashing led light siemens semiconductor manual ULN2804A 166NNF10264AG hall marking code A04 PDF

    EATON CM20A

    Abstract: A5 GNE mosfet Hall sensor 44e 402 2N8491 FTG 1087 S TRIAC BCR 10km FEB3T smd transistor marking 352a sharp EIA 577 sharp color tv schematic diagram MP-130 M mh-ce 10268
    Text: Table of Contents N E W A R K E L E C T R O N IC S “Where serving you begins even before you call” Newark Electronics is a UNIQUE broadline distributor of electronic components, dedicated to provid­ ing complete service, fast delivery and in-depth inventory. Our main


    OCR Scan     		PDF

    thyristor TAG 8506

    Abstract: nais inverter vf 7f operation manual 922AA1Y-A4P optek A400 817 Sprague 513D sprague 926c Sprague 195P Rapa relay 12vdc triac tag 8948 Mascot 719
    Text: TABLE OF CONTENTS Catalog Number 11Q New For 1989! • Over 7,900 New Products • 13 New M anufacturers PRODUCT INDICES tiamp*,'fminei forskSockets ' Solder Equipment endTtfob ] vriHp\< lint Equipment, Panel Meters, Aejulpmant, i A P R E M IE R C o m p an y


    OCR Scan     		11PM104 thyristor TAG 8506 nais inverter vf 7f operation manual 922AA1Y-A4P optek A400 817 Sprague 513D sprague 926c Sprague 195P Rapa relay 12vdc triac tag 8948 Mascot 719 PDF

    UJT-2N2646 PIN DIAGRAM DETAILS

    Abstract: speed control of dc motor using ujt scr c107m TRANSISTOR equivalent UJT pin diagram 2N2646 1000w inverter PURE SINE WAVE schematic diagram TY6008 triac ot 239 class d 1000w amplifier inverter welder 4 schematic thyristor zo 402
    Text: Theory and Applications Chapters 1 thru 9 Selector Guide Data Sheets Outline Dimensions and Leadform Options Index and Cross Reference E (g ) M OTOROLA THYRISTOR DATA Prepared by Technical Information Center This second edition of the Thyristor Data Manual has been revised extensively to reflect


    OCR Scan     		Semi260 TY510 TY6004 TY6008 TY6010 TY8008 TY8010 2N6394 MCR218-8 UJT-2N2646 PIN DIAGRAM DETAILS speed control of dc motor using ujt scr c107m TRANSISTOR equivalent UJT pin diagram 2N2646 1000w inverter PURE SINE WAVE schematic diagram TY6008 triac ot 239 class d 1000w amplifier inverter welder 4 schematic thyristor zo 402 PDF