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TL494CJ Texas Instruments PWM Control Circuit 16-CDIP visit Texas Instruments
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SCR TRIGGER PULSE circuit

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triggering scr with microprocessor

Abstract: cmos function generator using cd4049 if the trigger is a short pulse the peak value of the pulse current that will trigger the SCR can be , against over-voltage pulse width at 1 MHz TL F 5346­9 FIGURE 7 Temperature versus SCR Trigger , SCR and if enough current flows the SCR will trigger A second method of turning on the SCR is to , ground causing the CMOS circuit to malfunction and possibly damage itself CMOS SCR problems can be , then apply it to the CMOS SCR There are two basic trigger methods for this SCR One is turning on the
National Semiconductor
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scr driver ic for rectifier 3 phase

Abstract: OPTOCOUPLER thyristor temperature °C SCR / Thyristor Trigger Module SKHIT 01 · SCR / Thyristor driver for three phase , (output) ­ 400 ­ mA Trigger current pulse length 10 12 15 µs Pulse current , / Thyristor trigger enable threshold (HIGH) 3,9 ­ 5,5 V SCR / Thyristor trigger enable , THO SCR / thyristor trigger enable X24 BB + 15 V - supply voltage Error indication , SCR / Thyristor Trigger Module SKHIT 01 The SCR / thyristor trigger module SKHIT 01 has been
SEMIKRON
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BAP1289

Abstract: 3 phase bridge scr drive circuit diagram multiple High Voltage SCR devices. High current FET amplifiers drive individual pulse transformers that provide direct drive to each SCR gate. These encapsulated, corona resistant, high voltage pulse , Current Pulse Transformer Isolation High Voltage Corona Resistant > 15Kv High Open Circuit Gate , A J2 PULSE SHAPING CIRCUIT PROGRAMMABLE GATE DRIVE CONTROL LOGIC FET AMP G K J3 , signal on) SCR TRIGGER #1 (Buffered Trigger Drive) CONTROL Output (Active Low when Fiber-optic signal
Applied Power Systems
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SCR TRIGGER PULSE TRANSFORMER

Abstract: specifications of scr multiple High Voltage SCR devices. High current FET amplifiers drive individual pulse transformers that provide direct drive to each SCR gate. These encapsulated, corona resistant, high voltage pulse , BARRIER J2 PULSE SHAPING CIRCUIT PROGRAMMABLE GATE DRIVE CONTROL LOGIC A G FET AMP K , ) SCR TRIGGER #1 (Buffered Trigger Drive) CONTROL Output (Active Low when Fiber-optic signal on) SCR TRIGGER #2 (Buffered Trigger Drive) D1 D4 D13 D14 +5V P.S. +15V P.S. CPU RUN SCR ON LED
Applied Power Systems
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SCR TRIGGER PULSE TRANSFORMER

Abstract: thyristor SCR1 SCRs are triggered on by a pulse applied through the primary of T1. The SCR string turns on if the positive applied pulse to the gate is of sufficient amplitude to trigger the SCR on. At SCR turn-on , Figure 2 illustrates an approach that uses a pulse transformer to trigger only part of the string , the SCR anode circuit must be set to a value sufficiently large to limit the DC current below the , , ready for the next www. .com trigger pulse. When the load contains an inductive component as
Microsemi
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ic mm74hc

Abstract: triggering scr with microprocessor case is a slow 2.5 kHz (period = 400 µs). These long pulse widths approach the trigger time of the SCR , SCR will trigger. A second method of turning on the SCR is to apply a very large supply voltage , circuit to malfunction and possibly damage itself. CMOS SCR problems can be minimized by proper system , static operation of the discrete SCR, and then apply it to the CMOS SCR. There are two basic trigger , blocking state the small leakage current that is present does not trigger the SCR, but if the voltage is
Fairchild Semiconductor
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General electric SCR

Abstract: General electric SCR manual TEST CONDITIONS PULSE CIRCUIT COMMUTATED TURN-OFF TIME C140 (2N3649-53) C141 (2N3654-58) to« (pulse , pulse, Rise time = 0.1 /isec max. CONVENTIONAL CIRCUIT COMMUTATEI» TURN-OFF TIME C140 (2N3«54S»-53 , = -4-25°C. Gate supply: 10V open circuit, 20 ohms, 45 /isec min. pulse width. â'" 150 350* mAdc Tn = â'" 65 °C. Gate supply: 20V open circuit, 20 ohms, 45 /¡sec min. pulse width. EFFECTIVE , OPEN CIRCUIT 20 OHMS SOURCE I.S pt MIN PULSE WIOTH 0.1 pi MAX RISE TIME SEE FIG. I 40 80 100 200
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General electric SCR General electric SCR manual SCR Inverter c-141 IC-141 General electric SCR manual c141

General electric SCR

Abstract: General electric SCR manual cycloconverters and other pulse applications requiring high speed capability. 144 INVERTER SCR's 25 TO 35 , TEST CONDITIONS PULSE CIRCUIT COMMUTATED TURN-OFF TIME C140 (2N3649-53) C141 (2N3654-58) to« (pulse , pulse, Rise time = 0.1 /isec max. CONVENTIONAL CIRCUIT COMMUTATEI» TURN-OFF TIME C140 (2N3«54S»-53 , = -4-25°C. Gate supply: 10V open circuit, 20 ohms, 45 /isec min. pulse width. â'" 150 350* mAdc Tn = â'" 65 °C. Gate supply: 20V open circuit, 20 ohms, 45 /¡sec min. pulse width. EFFECTIVE
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GE SCR Manual GE SCR 1000 AMP C141C inverter manual dv 700 SCR Manual, General electric C144

TRIAC RCA

Abstract: triac specifications IGM FORWARD PEAK GATE CURRENT (SCR) PEAK GATE CURRENT (Triac) GATE TRIGGER CURRENT IGT IH , an SCR or between gate and a main terminal MT1 for a Triac, for a short pulse duration. The thermal , to zero after external switching of the SCR voltage circuit and the instant when the thyristor is , NON­TRIGGER VOLTAGE VGM FORWARD PEAK GATE VOLTAGE (SCR) PEAK GATE VOLTAGE (Triac) VGT GATE TRIGGER , CURRENT (TSPD) Ipps PULSE SURGE SHORT CIRCUIT CURRENT NON­REPETITIVE (TSPD) Ppk INSTANTANEOUS
Motorola
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TRIAC RCA triac specifications Gate turn off triac SCR TRIGGER PULSE circuit scr rca RCA THYRISTOR

an1008

Abstract: teccor triac application notes VGT: DC Gate Trigger Voltage SCR SCR IGT is the minimum DC gate current required to cause , Current Normalized DC Gate Trigger Current for All Quadrants versus Case Temperature SCR , . 90% Off-state Voltage 10% 90% 10% Gate Trigger Pulse Turn-on Time Rise Time , ratings in themselves. The characteristic does not define what the circuit must provide or be restricted , limit value represents the maximum limit that the circuit should allow. Maximum Ratings VRRM: Peak
Littelfuse
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an1008 teccor triac application notes scr 300 amps AN1008.2 Thyristor triac TRIAC bias AN1008

scr c108

Abstract: emergency light circuit SCR . 737 C108 SIMPLE TEST CIRCUIT FOR THE C108 SCR* Gate Trigger Voltage and Current Measurement RESET , 20 40 60^*50 200 400 60 , Pulse = 4 Volts, 300 Ohms, 5 Microseconds Wide. Circuit Commutated Turn-Off Time 'q 40 100 , REPRESENTATIVE APPLICATIONS OF THE C108 SCR 1. Emergency Light This simple circuit provides battery operated
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IN5059 scr c108 emergency light circuit SCR universal MOTOR speed control using scr SCR TRIGGER circuit dc charger scr battery charger scr driver dc motor speed control 1N5059 1N5060 C108B1 C108D1

scr gate driver ic

Abstract: scr driver ic for rectifier 3 phase ) Operating voltage (phase to phase) Trigger current (output) Trigger current pulse length Pulse current , ground connection SCR / thyristor trigger enable Error indication Description Ground connection secondary circuit Gate SCR / thyristor 1 Gate SCR / thyristor 2 Gate SCR / thyristor 3 Line voltage L1 Line voltage , drawing and PIN array of SKHIT 01 © by SEMIKRON 17 1977 38 SCR / Thyristor Trigger Module SKHIT 01 The SCR / thyristor trigger module SKHIT 01 has been designed for triggering half controlled
SEMIKRON
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scr gate driver ic scr driver ic for rectifier 3 phase driver ic for thyristor OPTOCOUPLER for thyristor gate three phase SCR Bridge driving ic OPTOCOUPLER thyristor

a96 laser diode

Abstract: scr inverter = 25°C, Gate source = 10V, Open Circuit, 20 ohms, 100 //sec - 325 pulse Tc = - 65°C, Gate source = 20V, Open Circuit, 20 ohms, 100 //sec pulse. Pulse Circuit tq Tc = 115°C, ITM , Pulse = 20 Volts, 20 ohms. Gate Trigger Pulse Width (90% points) = 1.5 //sec. Gate Trigger , SCR The General Electric CI44 Silicon Controlled Rectifier is a reverse blocking triode , turn-off time characteristics of a low blocking voltage SCR. Equipment designers can use the C144 SCR in
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C144M30M C144S30M a96 laser diode SCR Handbook, General electric SCR Applications Handbook c144 diode CI44 c14415 125-C C144E15E C144E30E C144M15M C144S15M

SCR GTO

Abstract: RC firing circuit FOR SCR signal is a pulse only a few microseconds wide. To achieve reliable performance of the SCR, a gate , Anode Current 20µs · Remember that SCRs require more gate current to trigger under narrow pulse , IGT IG diG > 0.5A/µs dt tr ~1µs Diode Protected Gate Circuit A Rgate G SCR , leads to the SCR and use either twisted pair wire from the gate pulse amplifier or a coax type , to insure SCR latching and holding. Minimum Pulsed Gate Trigger Parameters for a Typical SCR
Powerex
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SCR GTO RC firing circuit FOR SCR SCR Gate Drive scr RC snubber design dc circuit breaker using SCR gto firing circuit

pulse transformer SCR firing circuits

Abstract: SCR TRIGGER PULSE TRANSFORMER SPECIFIED) TRIGGER OUTPUT PULSE WAVE FORMS â'" S,-D POSI -1 C. 8E. IVE GIN* -1 NG 0 CYC F ES l-T 1 â  WC , -Si OF AC. POSI EGirv 1 VE HALF CYCLES TRIGGER OUTPUT PULSE WIDTH AS A FUNCTION OF STORAGE , WAVE SENSOR BRIDGE"' Fig. 3 INVERSE PARALLEL SCR PAIR FIRING WITH A PULSE TRANSFORMER SENSOR BRIDGE , DESCRIPTION - The ^A742 is a monolithic Zero-Crossing AC Trigger ITRIGAC) utilizing the Fairchild Planar , driver for triacs and SCR's. As a threshold detector, It senses level changes at the inputs and as a
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MA742 pulse transformer SCR firing circuits SCR TRIGGER PULSE TRANSFORMER function ac bridge zero crossing circuit bridge of scr firing circuit A742C F/25V JLXF/25

SCR TRIGGER PULSE circuit

Abstract: zero crossing circuit , negative half cycle of ac line -1.6 -0.95 -0.8 V Peafc Trigger Output Pulse Si in ac position, beginning , 1 unía» otherwise specified) TRIGGER OUTPUT PULSE WAVE FORMS -iâ'"iâ'"iâ'"r _J|-M¿MOINMHOa -'fOMTIVS HAL* Ore TRIGGER OUTPUT PULSE WIDTH AS A FUNCTION OF STORAGE CAPACITOR ù â'¢ »'e Ar jnAWLlTUM , S T *~T~¿j3~Q 9 ;|»| 10.11 INVERSE PARALLEL SCR PAIR FIRING WITH A PULSE TRANSFORMER 2 " 1 10 , PHILIPS E C G INC 17E 0 â  btS3ÌEfl ODGt414fll S «y ECG979 ZERO CROSSING TRIGGER GENERAL
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ECG97 zero crossing resistive power control TI913 SCR Zero Voltage detector SCR PULSE TRANSFORMER thyristor TRIGGER PULSE TRANSFORMER 00G44

diac SBS 14

Abstract: DIAC EQUIVALENT circuit bias from the trigger circuit or alternatively line zero crossing resets the trigger. Sensitive , (Same Circuit) Table 1. Contrasting the Typical Characteristics of Trigger Devices Description Figure , current required for regeneration. Figure 9. Sensitive Unilateral Trigger Using SCR or PUT LOAD Figure , r MOTOROLA SEMICONDUCTOR APPLICATION NOTE Trigger Design Ideas for Diac Replacements , switches, diacs and sidacs. The diac has been a popular trigger for driving triacs because of its good
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1N5760 diac SBS 14 DIAC EQUIVALENT circuit DIAC 1n5760 DIAC EQUIVALENT SBS thyristor AN964/D

Flashlamp

Abstract: scr trigger battery charger 's circuit consists of a power converter, flashlamp, storage capacitor and an SCR-based trigger. In , the SCR on, depositing C2's charge into T2, producing a high voltage trigger event at the flashlamp , Components, Flash Capacitor C1, Trigger (R1, C2, T2, SCR) and Flashlamp. TRIGGER Command Biases SCR , (Trace D). C1's Charge Time depends Upon Its Value and Charge Circuit Output Impedance. TRIGGER Input , speed detail of the high voltage trigger pulse (trace A), the flashlamp current (trace B) and the
Linear Technology
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LT3468-1 330FW13AK6325 1SS306 MA2Z720 S6A37 Flashlamp scr trigger battery charger LDT565630T-002 PERKIN ELMER BGDC0007PKI5700 BGDC0007PKI5700 DN345

10K variable resistor scr and triac

Abstract: triac moc 3010 . Anode-cathode voltage Figure 18 Input current to trigger Figure 21 Input current to trigger vs. Pulse width , the D.U.T. continues to trigger in response to the applied voltage pulse, even after the LED current , 39 LED current required to trigger vs. LED pulse width 12 F16263 Figure 40 dv/dt vs. Temperature , load-driving thyristor(s) only. 14 F16263 Figure 46 Static dv/dt test circuit and Figure 48 Trigger , . RS stock no. 330R 238-463 301-628 R L Figure 54 Inverse parallel SCR driver circuit Figure
RS Components
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10K variable resistor scr and triac triac moc 3010 Transistor GK 46 6456-K 180r relay 220vac LED driver 1500V E51868 H11C4

scr C106

Abstract: c106 scr 85^00 200 400 60 , . â'" (4) GATE SUPPLY! 5 VOLT_ OPEN CIRCUIT, 300 OHM, IS|i. SEC SQUARE WAVE PULSE, RISE TIME =0.1(1 , from the factory to original equipment manufacturers. 724 C106 SIMPLE TEST CIRCUIT FOR THE C106 SCR , see GE Application Note 200. 19 "Using Low Current SCR's". 725 ci 06 CIRCUIT DESIGN 1. Use of Gate
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scr C106 c106 scr equivalent SCR c106 GE scr C106 GE C106F2 CI06 X45-REF
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