ROHM BC847B Data Sheet
Summary
This robust NPN General Purpose Transistor is an essential component for electronic switching and signal amplification in various consumer and industrial devices, including audio equipment and communication circuits. This technical manual provides comprehensive data necessary for circuit design, covering absolute maximum ratings, key electrical characteristics, h-parameters, saturation voltages, and detailed performance curves across multiple temperatures and frequencies. It is tailored for electronics engineers and designers who require precise operational specifications to integrate the transistor reliably into their systems.
Page 1 Text Content
BC847B
Transistors
NPN General Purpose Transistor BC847B
Features External dimensions (Unit : mm)
1) BVCEO < 45V (IC=1m A) 2) Complements the BC857B.
Package, marking, and Packaging specifications
Part No. BC847B
Packaging type SST3
0.2Min.2.
Marking G1F (3) Code T116
Basic ordering unit (pieces) 0.4 −0.05 All terminals have the same dimensions
ROHM : SST3 (1) Emitter
(2) Base (3) Collector
Absolute maximum ratings (Ta=25°C) 1.
Parameter Symbol Limits Unit 4± 0.
Collector-base voltage VCBO Collector-emitter voltage VCEO Emitter-base voltage VEBO Collector current IC 0.1
Collector power dissipation
Junction temperature Tj °C
Storage temperature Tstg −65 to +150 °C
∗ When mounted on a 7×5×0.6mm ceramic board.
Electrical characteristics (Ta=25°C)
Parameter Symbol Min. Typ. Max. Unit Conditions Collector-base breakdown voltage BVCBO IC=50µA
Collector-emitter breakdown voltage BVCEO IC=1m A Emitter-base breakdown voltage BVEBO IE=50µA
n A VCB=30V
Collector cutoff current ICBO
µA VCB=30V, Ta=150°C 0.25 IC/IB=10m A/0.5m A
Collector-emitter saturation voltage VCE(sat)
0.6 IC/IB=100m A/5m A
Base-emitter saturation voltage VBE(on) 0.58 0.77 VCE/IC=5V/10m A DC current transfer ratio h FE
Transition frequency f T MHz VCE=5V, IE=−20m A, f=100MHz Collector output capacitance Cob p F VCB=10V, IE=0, f=1MHz
Emitter input capacitance Cib p F VEB=0.5V, IC=0, f=1MHz
Rev.A 1/5
Page Summary Contents For ROHM BC847B Data Sheet
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 6 |
| File Size | 97.91 KB |
| Published | June 15, 2026 |
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Frequently Asked Questions
What is the maximum Collector voltage (VCBO)?
The absolute maximum rating for VCBO is 50V.
How much can the device dissipate in terms of power?
The Collector power dissipation (PC) limit is 0.35 W.
What temperature range does it withstand during storage?
The product's storage temperature range (Tstg) is from -65 to +150°C.
Is this product suitable for mission-critical or life-safety applications?
No. Users must consult a sales representative if the application requires extremely high reliability, such as medical instruments or aerospace machinery.