2N4871

2N4870
2N4871
SILICON
PN UNIJUNCTION TRANSISTORS
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: (T
A
=25°C) SYMBOL UNITS
Emitter Reverse Voltage V
B2E
30 V
Interbase Voltage V
B2B1
35 V
RMS Emitter Current I
e
1.5 A
Peak Emitter Current (Duty Cycle ≤1%, PRR=10pps) i
e
1.0 A
RMS Power Dissipation P
D
300 mW
Operating Junction Temperature T
J
-65 to +125 °C
Storage Temperature T
stg
-65 to +150 °C
ELECTRICAL CHARACTERISTICS: (T
A
=25°C) 2N4870 2N4871
SYMBOL TEST CONDITIONS MIN MAX MIN MAX UNITS
V
B2B1
=10V 0.56 0.75 0.70 0.85
R
BB
V
B2B1
=3.0V 4.0 9.1 4.0 9.1
I
EB2O
V
B2E
=30V - 1.0 - 1.0 μA
I
V
V
B2B1
=20V, R
B2
=100Ω 2.0 - 4.0 - mA
I
P
V
B2B1
=25V - 5.0 - 5.0 μA
V
OB1
V
1
=20V 3.0 - 5.0 - V
R1 (23-April 2013)
www.centralsemi.com
2N4870
2N4871
SILICON
PN UNIJUNCTION TRANSISTORS
LEAD CODE:
1) Base 1
2) Emitter
3) Base 2
MARKING:
FULL PART NUMBER
TO-92 CASE - MECHANICAL OUTLINE
www.centralsemi.com
R1 (23-April 2013)
For the latest version of Central Semiconductor’s LIMITATIONS AND DAMAGES DISCLAIMER,
which is part of Central’s Standard Terms and Conditions of sale, visit: www.centralsemi.com/terms
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nd
day air) • Special wafer diffusions
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(001)
REQUESTING PRODUCT PLATING
1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when
ordering (example: 2N2222A TIN/LEAD).
2. If requesting Lead (Pb) Free plated devices, add the suffix “ PBFREE” to the part number
when ordering (example: 2N2222A PBFREE).
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2N4871

Mfr. #:
Manufacturer:
Central Semiconductor
Description:
Bipolar Transistors - BJT . .
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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