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TRANSISTOR 2N491

Catalog Datasheet MFG & Type PDF Document Tags

TRANSISTOR 2N491

Abstract: 2N491 Datasheet 2n491 ^^^ - â  _ _ 2n491a Central 2n491b V^BI â  mm wMm Semiconductor Cora. silicon unijunction transistor 145 Adams Avenue, Hauppauge, NY 11788 USA Tel: (631) 435-1110 â'¢ Fax , The CENTRAL SEMICONDUCTOR 2N^91 series is a PN type Silicon Unijunction Transistor designed for , , Junction Temperature SYMBOL pd(rms) 'e(rms) ' E ÏB2ET TJ' stg 2N491 2N^91A 2N491B UNIT 600 600 600 , â v v0b1 vbb=10v vbb=3v Ic=50mA lE=50mA (2N491) lE=50mA (2N491A, 2N^91B) vbb=10v, vBB=iov, vbb
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TRANSISTOR 2N491 2n491a transistor 2n91b eb20 transistor t05 transistor WMM

scr firing circuit UJT triggering circuit

Abstract: pulse transformer SCR firing circuits 2N490A ' 2N490EI 2N490G 2N491 2N491A ' 2N491B 2N492 2N492A ' 2N492EI 2N492C 2N493 2N493A ' 2N493B , Unijunction Transistor is a three terminal device having a stable "N" type negative .resistance characteristic , additional 2N491 relaxation oscillator. The circuit as shown effectively reduces the minimum IP requirement , low as 1 nanoampere with a 2000 megohm resistor for R2. The period of the 2N491 relaxation oscillation
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2N489 2N494C scr firing circuit UJT triggering circuit pulse transformer SCR firing circuits scr triggering with UJT and pulse transformer 2N4891 ujt transistor 2n2160 SCR 5162 2N489-494 2N489A 2N490 2N494 2N494A

2N491

Abstract: 2N489 N D IT IO N S V K BJ - 3 Y' lg - 0 TYPE 2N489, 2N491, 2N493 2N490. 2N492 Intrinsic Standoff Ratio VM B I = 10 v 2N489, 2N490 2N491, 2N492 2N493 *R(m odl l E02O Modulated Interbase Current Emitter , , 2N490 2N491, 2N492 2N493 ly P A R E N T S E R IE S M IN MAX 4.7 6.2 0.51 0.5« 0 .» ft 61 9.1 0 62 , IO N FIGURE 2 - U N IJ U N C T IO N TRANSISTOR NOM ENCLATU RE FIGURE 3 - GENERAL STATIC EMITTER
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TRANSISTOR 2N492 s3012 1n457 texas 2N489B 1N457

2N458

Abstract: 2N301 DIGITRON ELECTRONIC CORP 3bE D m 2ö4Efc.O? OODDDOl 5 â  DG E yz^y^j / Pageli £ -â'"-3UL 2 2 1988 bIQITRON -V ELECTRONIC CORF 110 Hillside Avenue â'¢ Springfield, New Jersey 07081 â'¢ 201-379-9016 â'¢ 201-379-9019 Fax No, 201-467-8065 JOHN J. SCHWARTZ BOOK:TRANSISTOR ENGINEERING EDDITION: DIGITRON ELECTRONICS, CORP, DGE ISSUE DATE: 110 Hillside Avenue Springfield, NJ 07081 Ref: No. TYPES TO , 2N490C 2N255A 2N308 2N337A 2N398 2N449 2N491 2N256 2N309 2N338 2N398A 2N450 2N491A 2N256A 2N310 2N338A
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2N384 2N388 2N441 2N301 2N456A 2N404 2N458 2n448 2N404 transistor 2N235 2N280 2N327A 2N381 2N414A 2N466

UJT 2N2646

Abstract: 2n2646 ujt unijunction transistor in 1956, General Electric has continued developing an extensive line of negative , device. PROGRAMMABLE UNIJUNCTION TRANSISTOR (PUT)â'"variable threshold, low cost, fast switching speed , 2N491 2N491A ' 2N491B 2N492 2N492A ' 2N492EI 2N492C 2N493 2N493A ' 2N493B 2N494 2N494A 1 2N494EI , 's Silicon Unijunction Transistor consists of an "N" type silicon bar mounted between two ohmic base contacts , 0.2 6 8 3 2N491 .56 .68 4.7 6.8 6.8 22 5 2 20 12 8 2N491A .56 .68 4.7 6.8 6.8 22 4.3 2 20 12 8 3
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2N489-94 2N2646 UJT 2N2646 2n2646 ujt UJT 2N2646 POWER RATING UJT 2N2646 specification applications of ujt UJT 2N2646 operation 2N2646-47 2N1671 2H21S0 2N2647

ujt transistor 2n2160

Abstract: SCR Manual, General electric 2N490A ' 2N490EI 2N490G 2N491 2N491A ' 2N491B 2N492 2N492A ' 2N492EI 2N492C 2N493 2N493A ' 2N493B , 's Silicon Unijunction Transistor consists of an "N" type silicon bar mounted between two ohmic base contacts , 0.2 6 8 3 2N491 .56 .68 4.7 6.8 6.8 22 5 2 20 12 8 2N491A .56 .68 4.7 6.8 6.8 22 4.3 2 20 12 8 3 , Unijunction Transistor," 90.10. 2. "General Electric Controlled Rectifier Manual," Fifth Edition. 303
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SCR Manual, General electric ujt firing circuits of scr UJT APPLICATION GE SCR Manual applications of ujt with circuits General electric SCR manual 2N494CI 2N1671A
Abstract: DIGITRON SEMICONDUCTORS 2N489-2N494, A, B NPN SILICON UNIJUNCTION TRANSISTOR Silicon , .62 6.2 9.1 6.8 22 4 2 20 0.02 2 8 3 2N491 .56 .68 4.7 , Street Kenilworth NJ 07033 USA NPN SILICON UNIJUNCTION TRANSISTOR phone +1.908.245-7200 fax , 2N489-2N494, A, B 144 Market Street Kenilworth NJ 07033 USA NPN SILICON UNIJUNCTION TRANSISTOR phone , TRANSISTOR phone +1.908.245-7200 fax +1.908.245-0555 sales@digitroncorp.com www.digitroncorp.com Rev DIGITRON
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MIL-PRF-19500

ujt transistor 2n2160

Abstract: 2N4891 2N490A ' 2N490EI 2N490G 2N491 2N491A ' 2N491B 2N492 2N492A ' 2N492EI 2N492C 2N493 2N493A ' 2N493B , '"1.5V 124 Silicon Unijunction Transistor râ'"I 2N2840 2N2906-7 SEE GES2906-7 The General Electric Type 2N2840 Silicon Unijunction transistor maintains its negative resistance region for extremely low interbase voltages. This transistor is specifically characterized for use at interbase voltages less than 10 volts and as tow as 1.5 volts. The transistor is hermetically sealed in a welded case equivalent to the
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EQUIVALENT 2N1671 2N2160 ujt timer General electric SCR TRANSISTOR 2n1671 2N491A jantx

ujt transistor 2n2160

Abstract: 2N2160 unijunction transistor in 1956, General Electric has continued developing an extensive line of negative , device. PROGRAMMABLE UNIJUNCTION TRANSISTOR (PUT)â'"variable threshold, low cost, fast switching speed , 2N491 2N491A ' 2N491B 2N492 2N492A ' 2N492EI 2N492C 2N493 2N493A ' 2N493B 2N494 2N494A 1 2N494EI , Transistor I 2N2160 I 2N2221 SEE GES2221 2N2222 SEE GES2222 2N2322-29 SEE C5 SERIES The General Electric Silicon Unijunction Transistor is a three terminal device having a stable "N" type negative
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2N602B 2n2222 germanium UJT 43 Programmable Unijunction Transistor 2N2646 terminal UJT 2N2646 RANGE Silicon unilateral switch 2N6027 2N602

applications of ujt with circuits

Abstract: UJT 2N491 Germanium Power Devices Corp SILICON UNIJUNCTION TRANSISTOR Specifications | Silicon Unijunction Transistors are three-terminal devices having a stable "S" type negative resistance characteristic over a wide temperature range. A stable peak point and a high peak current rating make these devices useful in oscillators , . General Electric's Silicon Unijunction Transistor consists of an "N" type silicon bar mounted between two , 22 4 2 20 0.2 6 8 3 2N491 .56 .68 4.7 6.8 6.8 22 5 2 20 12 8 2N491A .56 .68 4.7 6.8 6.8 22 4.3 2
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UJT 2N491 ujt transistor UJT specification ujt trigger circuit Germanium Power Devices Germanium power 2N494AB 2N492B 8N493B SN494 3T47375

UJT 2N2646

Abstract: UJT 2N2646 specification UNfJUNCTIONS, TRIGGERS AND SWITCHES Since the introduction of the commercial silicon unijunction transistor in 1956, General Electric has continued developing an extensive line of negative resistance threshold and four-layer switch devices. Each of these devices can be used as a power thyristor , device. PROGRAMMABLE UNIJUNCTION TRANSISTOR (PUT)â'"variable threshold, low cost, fast switching speed , 2N491 2N491A ' 2N491B 2N492 2N492A ' 2N492EI 2N492C 2N493 2N493A ' 2N493B 2N494 2N494A 1 2N494EI
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SCR 2N2646 PUT 2N2646 SCR firing inverter circuit UJT 2N2646 ratings 2N2646 transistor Silicon Power Cube 2IM2646 26B-2N2647-HI

scr firing circuit UJT triggering circuit

Abstract: 2N1671 2N490A ' 2N490EI 2N490G 2N491 2N491A ' 2N491B 2N492 2N492A ' 2N492EI 2N492C 2N493 2N493A ' 2N493B , '"1.5V 124 Silicon Unijunction Transistors râ'"«i The General Electric Silicon Unijunction Transistor , \l FIG. 1 Unijunction Transistor Symbol with Nomenclature used for voltage and currents. FIG. 2 , CURRENT-Ig-MILLIAMPERES FIG. 4 Static emitter characteristics for a typical 2N1671 unijunction transistor at three , characteristics for a typical 2N1671 unijunction transistor at three different ambient temperatures. 319 2N1671
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2N1671B Unit junction transistor UJT unijunction application note Silicon Controlled Rectifier Manual CA 5668 SCR nomenclature, General electric 2NI67IA 2NI67IA-2NI67IB 2N1671-2N1671A

UJT 2N2646 specification

Abstract: 2N1671 unijunction transistor in 1956, General Electric has continued developing an extensive line of negative , device. PROGRAMMABLE UNIJUNCTION TRANSISTOR (PUT)â'"variable threshold, low cost, fast switching speed , 2N491 2N491A ' 2N491B 2N492 2N492A ' 2N492EI 2N492C 2N493 2N493A ' 2N493B 2N494 2N494A 1 2N494EI , Transistors râ'"«i The General Electric Silicon Unijunction Transistor is a three terminal device having , Unijunction Transistor Symbol with Nomenclature used for voltage and currents. FIG. 2 Static Emitter
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thyristor scr oscillator circuit uni junction transistor 2N2646

TRANSISTOR 2N492

Abstract: 2N34 Germanium Power Devices Corp SILICON UNIJUNCTION TRANSISTOR Specifications SIÚCON TYPES I Silicon Unijunction T ra n sistors are three-term inal devices having a stable " X " type negative resistance characteristic over a wide tem perature range. A stable peak point and a high peak current rating make these de vices useful in oscillators, timing circuits, trigger circuits, and bistable circuits , ßa /xa lima V o in v o lts 2N489 2N489A 2N489B 2N490 2N490A 2N490B 2N491 2N491A 2N491B
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2N34 2N-34 N493B N494A

TRANSISTOR 2n65s

Abstract: 2N65S 20 March 1964 (See 6.3) MILITARY SPECIFICATION SEMICONDUCTOR DEVICE, TRANSISTOR, NPN, SILICON , dimensions. shown on figure 1. Transistor symbols, ad herein. definitions shall be of the , characteristics. Per formmce 3.5 fkfarki~. The follou'tng mwking specified the transistor at the option , 3.3.1 and 3.3.2). FIGURE 1. Physicaf dimensions of tlansistm tyues 2N491. 2f4498, 2N65S and 2NK57. (TO , upan 1 inch = 25.4 MM, FIGURE 2. Gage for lead and lab location for transistor types 2f1491, 214498
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2N497 2N498 2N656 2N657 TRANSISTOR 2n65s transistor 2N656 ad 303 transistor 2N856 MIL-S-19500/74D

45W UHF

Abstract: transistor 2N4891 2N4893 2N4894 2N490 2N490A 60 ~~:~gg 65 2N491 2N491A 2N491B 2N492 2N492A 2N492B 2N492C 2N493 70 , 1.0A;VCEO 400V;ICBO 20uA I N/A Additional Transistor Devices 90 3SK191 PF0004 PF0007 PF0008
Advanced Semiconductor
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2N3483 45W UHF transistor 2N4891 2N4947 2SH21 2n6120 transistor 2n4852 2N1671C 2N2213 2N2417 2N2417A 2N2417B 2N2418

2n491a

Abstract: Helipot Symbol. The graphic symbol for the unijunction transistor shall be as shown in figure 3. 3.4 Design , -19500 may be omitted from the body of the transistor at the option of the manufacturer; (a) Country of , the lot 4 MIL-S-19500/75B Vd j VE81 J j à / f i i i i 1 FIGURE 1. Unijonction transistor , the unijunction transistor (see 3.4.11. 5 MXL-S-19500/75B NOTES: 1. Metric equivalents (to the , +.03 mm) below the seating plane of the transistor max dia leads shall be within .007 (.18 mm) of their
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2N2422A 2N2418A Helipot 2N469A MXL-STD-750 L32* MARKING MH/-S-19500/75B TX2N489A TX2N494A TX2N2417A TX2N2422A

SN72710L

Abstract: MC1013P differential ar plifier "+ â' input; (Pin 3) am 0 0 Output of am plifier controls series pass transistor which acts as variable resistance, controlled by e r ro r am plifier. 0 0 0 Current Sense transistor , ) adjusts a tput of am plifier to drive Series pass transistor in a direction to correct any e rro r. 22A , REV 7-78 589-408 DARLINGTON TRANSISTOR ARRAY GND 8 â  fN e , 1 ^ T N o 4 > - q mc td â , -5 â  o pin 10 is substrate and case D6 D5 -H 8 * o o -o â O l 12 io I 9 TRANSISTOR
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SN72710L MC1013P MC680P 796HC MC838P MC814G LH0002C LH0002CN NH0005C DAC08CZ NH0014C DH0034

LG color tv Circuit Diagram schematics

Abstract: free transistor equivalent book 2sc The Engineering Staff of TEXAS INSTRUMENTS INCORPORATED Components Group The Transistor and Diode Data Book for Design Engineers Texas Instruments INCORPORATED TYPE NUMBER INDEX GLOSSARY TRANSISTOR SELECTION GUIDES TRANSISTOR INTERCHANGEABILITY TRANSISTOR DATA SHEETS TRANSISTOR CHIP CHARACTERIZATION TRANSISTOR QUALITY AND RELIABILITY INFORMATION DIODE PRODUCT SPECTRUM DIODE SELECTION GUIDES DIODE , . Texas Instruments INCORPORATED The Transistor and Diode Data Book for Design Engineers First Edition
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LG color tv Circuit Diagram schematics free transistor equivalent book 2sc NPN TRANSISTORS LIST ACCORDING TO CURRENT, VOLTAG RCA SK CROSS-REFERENCE KIA 4318 transistor cs 9012 3186J CA90245

IC HXJ 2038

Abstract: 1N52398 INDEX GLOSSARY TRANSISTOR SELECTION GUIDES TRANSISTOR INTERCHANGEABILITY TRANSISTOR DATA SHEETS TRANSISTOR CHIP CHARACTERIZATION TRANSISTOR QUALITY AND RELIABILITY INFORMATION DIODE , Third Printing THE TRANSISTOR AND DIODE DATA BOOK Since 1954, when Texas Instruments introduced the first silicon transistor to the marketplace, and later w ith the invention of the integrated circuit, T , contains over 800 silicon transistor types (grown-junction, m ultijunction, unijunction, and field-effect
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IC HXJ 2038 1N52398 tfk 102 cny 70 DB5T hxj 2038 rca 40361 transistor
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