LESHAN RADIO COMPANY, LTD.
M3–1/4
General Purpose Transistors
NPN Silicon
MAXIMUM RATINGS
BC847 BC848
Rating Symbol BC846 BC850 BC849 Unit
Collector–Emitter V oltage V CEO 65 45 30 V
Collector–Base V oltage V CBO 80 50 30 V
Emitter–Base V oltage V EBO 6.0 6.0 5.0 V
Collector Current — Continuous I C100 100 100 mAdc
Collector Current(Peak value) I CM 200 200 200 mAdc
Emitter Current(Peak value) I EM 200 200 200 mAdc
Base Current(Peak value) I BM 200 200 200 mAdc
SOLDERING CHARACTERISTICS
Characteristic Symbol Unit
Solder Heat Resistance 265 °C
Solderability 240 to 265 °C
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Total Device Dissipation FR– 5 Board, (1) PD
TA = 25°C 225 mW
Derate above 25°C 1.8 mW/°C
Thermal Resistance, Junction to Ambient Rθθ
θθ
θJA 556 °C/W
Total Device Dissipation PD
Alumina Substrate, (2) TA = 25°C 300 mW
Derate above 25°C 2.4 mW/°C
Thermal Resistance, Junction to Ambient Rθθ
θθ
θJA 417 °C/W
Junction and Storage Temperature TJ , Tstg –55 to +150 °C
DEVICE MARKING
BC846ALT1 = 1A; BC846BLT1 = 1B; BC847ALT1 = 1E; BC847BLT1 = 1F;
BC847CLT1 = 1G; BC848ALT1 = 1J; BC848BLT1 = 1K; BC848CLT1 = 1L
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic Symbol Min Typ Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown V oltage
BC846A,B 65 — —
(IC = 10 mA) BC847A,B,C, BC850B,C V(BR)CEO 45 — — v
BC848A,B,C, BC849B,C 30 — —
Collector–Emitter Breakdown V oltage
BC846A,B 80 — —
(IC = 10 µA, VEB = 0) BC847A,B,C, BC850B,C V(BR)CES 50 — — v
BC848A,B,C, BC849B,C 30 — —
Collector–Base Breakdown V oltage BC846A,B 80 — —
(IC = 10 µA) BC847A,B,C, BC850B,C V(BR)CBO 50 — — v
BC848A,B,C, BC849B,C 30 — —
Emitter–Base Breakdown V oltage BC846A,B BC847A,B,C 6.0
(IE = 1.0 µA) BC848A,B,C, BC849B,C, V(BR)EBO 5.0
BC850B,C 5.0
Collector Cutoff Current (VCB = 30 V) ICBO ——15nA
(VCB = 30 V, TA = 150°C) — — 5.0 µA
1. FR–5 = 1.0 x 0.75 x 0.062 in
2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina.
1
3
2
BC846ALT1,BLT1
BC847ALT1,BLT1
CLT1 thru
BC850BLT1,CLT1
CASE 318–08, STYLE 6
SOT–23 (TO–236AB)
2
EMITTER
3
COLLECTOR
1
BASE