2N838 (GERMANIUM)
"CASE 22 (TO·18) Collector connected to CBse
PNP germanium epitaxial mesa transistor for highspeed switching applications.
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Collector-Base
Voltage Collector-Emitter
Voltage Collector-Emitter
Voltage
.
VCB
30 Vdc
VCES 30 Vdc VCEX 15 Vdc
Emitter-Base Boltage Collector Current (Continuous) Junction Temperature Storage Temperature
Device Dissipation @TA =250 C
(Derate 2mW/oC above 250 C)
VEB 2.
5 Vdc
Ie 100 mAdc TJ +100 °c
Tstg
-65 to+ 100
°c
PD 1.
50 mW
2.
0 mW/OC
FIGURE 1 - SWITCHING TIME TEST CIRCUIT
Ie.
=GENERATOR Z.
.
.
50!!
Vee = -3V
-=INPUT PULSE t, = t.
1 ns
1'1 I"
INPUT PULSE WIDTH = 100 ns
(5q% DUTY CYCLE)
27...