2N4870 2N4871
SILICON PN UNIJUNCTION TRANSISTORS
w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICOND...
2N4870 2N4871
SILICON PN UNIJUNCTION
TRANSISTORS
w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR 2N4870 and 2N4871 are silicon PN unijunction
transistors designed for oscillator, triggering and timing applications.
MARKING: FULL PART NUMBER
TO-92 CASE
MAXIMUM RATINGS: (TA=25°C) Emitter Reverse Voltage
SYMBOL VB2E
Interbase Voltage
VB2B1
RMS Emitter Current
Ie
Peak Emitter Current (Duty Cycle ≤1%, PRR=10pps) ie
RMS Power Dissipation
PD
Operating Junction Temperature
TJ
Storage Temperature
Tstg
30 35 1.5 1.0 300 -65 to +125 -65 to +150
ELECTRICAL CHARACTERISTICS: (TA=25°C) SYMBOL TEST CONDITIONS
VB2B1=10V
RBB
VB2B1=3.0V
IEB2O
VB2E=30V
IV VB2B1=20V, RB2=100Ω
IP VB2B1=25V
VOB1
V1=20V
2N4870 MIN MAX 0.56 0.75
4.0 9.1
- 1.0
2.0 -
- 5.0
3.0 -
2N4871 MIN MAX 0.70 0.85
4.0 9.1
- 1.0
4.0 -
- 5.0
5.0 -
UNITS V V A A
mW °C °C
UNITS
kΩ μA mA μA V
R1 (23-April 2013)
2N4870 2N4871 SILICON PN UNIJUNCTION
TRANSISTORS
TO-92 CASE - MECH...