CRYSTALONCS 2805 Veterans Highway Suite 14 Ronkonkoma, N.Y. 11779 NPN POWER TRANSISTORS * 250 W. Continuous Power *VCEO (sus) fo 150 V. MAXIMUM RATINGS PARAMETER -Peak Power Dissipation @TC<25C Linear Factor & Operating Junction Lead Temperature 4148" from 2N6274 thru 50 AMP SWITCHING eee GEOMETRY 512 TO-3 [.060 Lead) TO-63 TER con 250 250 443 | 1.43 ~65C to + 200C + 235C for 40 seconds 297 TF Collector connected Income 2N6274 - 2N6277 eae 2N6276 - 2N6281 ELECTRICAL CHARACTERISTICS AT 25C CASE TEMPERATURE PARAMETER SYMBOL TEST CONDITIONS OPA a ede AP me pe ea ae Collector-Emitter Soturation Voltage | Vcelsa!] Base-Emitter Voitage* Base Emitter Collector Cutoff Current Rise Time tr BOV, IC = 204 Storage ts =60V.IC =20A = = High Frequency Beta | hfe VCE = 10V, IC = 4A, Common Base Output | Cob = 40V, le =0, ws; Duty <2% 4 width diode is reverse 2. Tc = 150CCRYSTALONCS 2805 Veterans Highway Suite 14 . c Ronkonkoma, N.Y. 11779 SAFE OPERATING AREA 8 = ao oS + 8 & nu oo DBD 6 IC, Collector Current (Amps) 2 o = & 0.05 4, 2N6278 0.02 0.04 20 50 400. 200 4000 1.0 2.0 .0 40 VCE, Collector-Emitter Voltage {Votts) SWITCHING TIMES TEST CIRCUIT vec 30ys +60V +241V rc 4.0 Ohms RB 410 Ohms oO } _ J -19v L_. 4N3879 f, tf<40ns + Duty Cycle =0.5% ~ . -4.0V