6 Lake Street, Lawrence, MA 01841 03/98 REV: A
1-800-446-1158 / (978)-794-1666 / (978) Fax: (978) 689-0803 Page 1 of 2
MAXIMUM RATINGS
Ratings Symbol 2N3418, S
2N3420, S 2N3419, S
2N3421, S Unit
Collector-Emitter Voltage VCEO 60 80 Vdc
Collector-Base Voltage VCBO 85 125 Vdc
Emitter-Base Voltage VEBO 8.0 Vdc
Collector Current
tP ≤ 1.0 ms, duty cycle ≤ 50% IC3.0
5.0 Adc
Total Power Dissipation @ TA = 250C(1)
@ TC =
1000C(2)
PT1.0
15 W
W/0C
Operating & Storage Junction
Temperature Range TJ, Tstg -65 to +200 0C
1) Derate linearly 5.72 mW/0C for TA > 250C
2) Derate linearly 150 mW/0C for TC > 1000C
ELECTRICAL CHARACTERISTICS
Characteristics Symbol Min. Max. Unit
OFF CHARACTERISTICS
Collector-Emitter Breakdown Current
IC = 50 mAdc, IB = 0 2N3418, S, 2N3420, S
2N3419, S 2N3421, S V(BR)CEO 60
80 Vdc
Collector-Emitter Cutoff Current
VBE = -0.5 Vdc, VCE = 80 Vdc 2N3418, S, 2N3420, S
VBE = -0.5 Vdc, VCE = 120 Vdc 2N3419, S 2N3421, S ICEX 0.3
0.3 µAdc
Collector-Emitter Cutoff Current
VCE = 45 Vdc, IB = 0 2N3418, S, 2N3420, S
VCE = 60 Vdc, IB = 0 2N3419, S 2N3421, S ICEO 5.0
5.0 µAdc
Emitter-Base Cutoff Current
VEB = 6.0 Vdc, IC = 0
VEB = 8.0 Vdc, IC = 0 IEBO 0.5
10 µAdc
TECHNICAL DATA
2N3418, 2N3419,
2N3420, 2N3421
TO- 5
2N3418S, 2N3419S,
2N3420S, 2N3421S
TO-39 (TO205-AD)
2N3418, S, JAN, TX, TXV
2N3419, S, JAN, TX, TXV
2N3420, S, JAN, TX, TXV
2N3421, S, JAN, TX, TXV
Processed per MIL-PRF-19500/393
NPN SILICON MEDIUM-POWER TRANSISTOR
MIL-PRF
QPL
DEVICES
6 Lake Street, Lawrence, MA 01841 03/98 REV: A
1-800-446-1158 / (978)-794-1666 / (978) Fax: (978) 689-0803 Page 2 of 2
2N3418, S, 2N3419, S, 2N3420, S, 2N3421, S, JAN SERIES
ELECTRICAL CHARACTERISTICS
Characteristics Symbol Min. Max. Unit
ON CHARACTERISTICS
Forward-Current Transfer Ratio
IC = 100 mAdc, VCE = 2.0 Vdc 2N3418, S, 2N3419, S
2N3420, S 2N3421, S
IC = 1.0 Adc, VCE = 2.0 Vdc 2N3418, S, 2N3419, S
2N3420, S 2N3421, S
IC = 2.0 Adc, VCE = 2.0 Vdc 2N3418, S, 2N3419, S
2N3420, S 2N3421, S
IC = 5.0 Adc, VCE = 5.0 Vdc 2N3418, S, 2N3419, S
2N3420, S 2N3421, S
hFE
20
40
20
40
15
30
10
15
60
120
Base-Emitter Saturation Voltage
IC = 1.0 Adc, IB = 0.1 Adc
IC = 2.0 Adc, IB = 0.2 Adc VBE(sat) 0.6
0.7 1.2
1.4 Vdc
Collector-Emitter Saturation Voltage
IC = 1.0 Adc, IB = 0.1 Adc
IC = 2.0 Adc, IB = 0.2 Adc VCE(sat) 0.25
0.5 Vdc
DYNAMIC CHARACTERISTICS
Magnitude of Common Emitter Small-Signal Short Circuit
Forward Current Transfer Ratio
IC = 0.1 Adc, VCE = 10 Vdc, f = 20 MHz hfe1.3 8.0
Output Capacitance
VCB = 10 Vdc, IE = 0, 100 kHz ≤ f ≤ 1.0 MHz Cobo 150 pF
SWITCHING CHARACTERISTICS
Delay Time V
BE(off)
= -3.7 Vdc td0.22 µs
Rise Time IC = 1.0 Adc, IB1 = 100 mAdc tr0.08 µs
Storage Time V
BE(off)
= -3.7 Vdc ts1.10 µs
Fall Time IC = 1.0 Adc, IB2 = -100 mAdc tf0.20 µs
SAFE OPERATING AREA
DC Tests
TC = 1000C, 1 Cycle, t = 1.0 s
Test 1
VCE = 5.0 Vdc, IC = 3.0 Adc
Test 2
VCE = 37 Vdc, IC = 0.4 Adc
TEST 3
VCE = 60 Vdc, IC = 0.185 Adc 2N3418, S, 2N3420, S
VCE = 80 Vdc, IC = 0.12 Adc 2N3419, S 2N3421, S
Clamped Switching
TA = 250C, IB = 0.5 Adc, IC = 3.0 Adc
