2N3991 NJSEMI
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New Jausey Sumi-Conduator Products, Ine. Nee ee nee, Re 20 STERN AVE. TELEPHONE: (973) 376-2022 SPRINGFIELD, NEW JERSEY 07081 (212) 227-6008 USA FAX: (973) 376-8960 2N3991 Silicon Controlled Rectifier Reverse Blocking Triode Thyristor MAXIMUM ALLOWABLE RATINGS TRANS! , PEAK REVERSE VOLTAGE PE PEAK FORWARD BLOCKING REPETITIVE PEAK REVERSE 1 qotacurrent <5 Millisec,)
7 VOLTAGE Venu (2) VOLTAGE, Vanow (rep) (2) Vio (non-rep)
To = —40°C to +120°C T = = 40°C to +120°C we +120°C Half sine wave voltage pulse, 10 millisecond maximum duration. Peak One-Cycle Surge Forward Current, Irm (Surge) ...ssseeseeeeees veeeees 1500 amperes Maximum Rate of Rise of Anode Current During Turn-On Interval (High Gate Drive Required, beeen eee teceeees 75 amps/psec Peak Gate Power Dissipation, Pay... see c cece e eee eee tenet eee eee n ene nen eee EEE 10 Watts Average Gate Power Dissipation, Pasay): +: ssc eee cr eee e nen e erent neste enna nen e nent eens 2 Watts Peak Forward Gate Voltage, Vorws.:d.cceeee ec ere nett tenet nen eee n enna eee n een e eet 40 Volts Peak Reverse Gate Voltage, Vortec: sscssecccsecrteceeeeeeeersseeeesetsteetereeesereeee 6 Volts OUTLINE DRAWING (Conforms to JEDEC TO-94 Outline) TABU OF OUMENIONS ESPEN Coan -——. feneene Mena cor ‘ TY ola Rach eee foo pan mt aie TT Se ~ ani 4 2 Tene fa one "Tae nt a aon eerie | | TOGETHER "On, sop OF Se =e od i Cae Ou Hae a nr) ° 4 hare Tine Ta ne, NOTES: a EX 1, Complete stud threads (1/2:20 UNF 2A) to within 2-1/2 ca, SS threads of head, Aan ae ane 2. Flexible lead covered with silicon rupber Insulation (Class H), bo -— 1% 88 fen 3305 600 volt ASTM standard wall. TT $08 ae a. v09 30 ne, 3. Orientation of cathode and gate terminals not defined, wD an iT go eset 4. One, 1/2-20 steel, nickel-plated nut and one sillcon-bronze M7. a8 inosine, spring washer supplied with each unit Liem, ae’ Se TST 8, Approximate weights: 4,0 02, 9 2 060 9.34077 799 ins aor 9. sash "potas Pie ea a Tne Tons ee ote item, osteo AO em Tr atetem 407 oa osha a, oe ore ara EE a OE NJ Semi-Conductors reserves the right to change test conditions, parameter limits nd package dimensions without notice. Information furnished by NJ Semi-Cunductors is believed to be both accurate and reliable at the time of going tw press. However \\J Semi-Conductors assuunes no reyponsibility for any errors or uinissions discovered in its use NJ Semi-C onductors encourages custemers to verify that datasheets are current before placing orders
[Pm To [ve [vee [owe [conn Penk Reverse and For- Te = +25°C we ward Blocking Current Vron = Vaow = 1000 Volts peak Peak Reverse and For- Te = 120°C ward Blocking Current Vio = Vuow = 1000 Volts peak Effective Thermal ‘3 PC/watt] Junction to case (DC) Resistance Critical Exponential Rate dv/dt V/usec | Vrou.= Rated, To = +120°C, of Rise of Forward Block- Gate open. ing Voltage (Higher dv/dt = (Vrow)_(.682) . values may cause Vit device switching) Holding Current mAde | Tr = +25°C, Anode supply = 24Vdc. Initial forward current = 2 amps. Turn-On Time (Delay ta + te Tr = +25°C, Ip = 50Adc, Vrxu = Rated. Time + Rise Time) Gate supply: 10 volt open circuit, 20 ohm, 0.1 usec max. rise time, Gate Pulse Width Tr = 425°C, Necessary to Trigger Gate supply: 6 volt open circuit, 5 ohm, 0.1 usec rise time. Gate Trigger Current [| 50 [150 | mAdc | Tr = +26°C, Vrx = 6Vde, Ri = 12 ohms. [75 [200 [mAde | Tr = —40°C, Vex = 6Vde, Rr = 12 ohms. . [15 [126 [mAde | T. = +120°C, Vex = 6Vde, Ri = 12 ohms. Gate Trigger Voltage Ver [_-- [125 [3.0 [ vae | T-=—40°C to +120°C, Vix = 6Vde, Ri = 12 ohms. fois [| — [| — | vae | Tr = +120°C, Vox = Rated, Ri = 1000 ohms. Peak On-Voltage View Volts | Tr = +25°C, Ir = 500A peak. Duty cycle S .01% Circuited Commutated torr (1) Te = +120°C, (2) Ivw = BOA, Turn-Off Time (3) Vee = 50 volts min,, - _ —t (4) Vrxw (reapplied) = Rated, 25 30 (5) Rate of rise of reapplied forward blocking voltage = 20V/usec linear.