General Purpose Transistors
NPN Silicon
MAXIMUM RATINGS
Rating Collector–Emitter Voltage Collector–Base Voltage Emitter–Base Voltage Collector Current — Continuous Collector Current(Peak value) Emitter Current(Peak value) Base Current(Peak value) Symbol V CEO V CBO V EBO IC I CM I EM I BM BC846 65 80 6.0 100 200 200 200 BC847 BC850 45 50 6.0 100 200 200 200 BC848 BC849 30 30 5.0 100 200 200 200 Unit V V V mAdc mAdc mAdc mAdc
BC846ALT1,BLT1 BC847ALT1,BLT1 CLT1 thru BC850BLT1,CLT1
3
1 2
SOLDERING CHARACTERISTICS
Characteristic Solder Heat Resistance Solderability Symbol 265 240 to 265 Unit °C °C
CASE 318–08, STYLE 6 SOT–23 (TO–236AB)
THERMAL CHARACTERISTICS
Characteristic Symbol Total Device Dissipation FR– 5 Board, (1) PD TA = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient RθJA Total Device Dissipation PD Alumina Substrate, (2) TA = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient RθJA Junction and Storage Temperature TJ , Tstg Max 225 1.8 556 300 2.4 417 –55 to +150 Unit mW mW/°C °C/W mW mW/°C °C/W °C
1 BASE
3 COLLECTOR
2 EMITTER
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
BC846A,B BC847A,B,C, BC850B,C BC848A,B,C, BC849B,C Collector–Emitter Breakdown Voltage BC846A,B (IC = 10 µA, VEB = 0) BC847A,B,C, BC850B,C BC848A,B,C, BC849B,C Collector–Base Breakdown Voltage BC846A,B (IC = 10 µA) BC847A,B,C, BC850B,C BC848A,B,C, BC849B,C Emitter–Base Breakdown Voltage BC846A,B BC847A,B,C (IE = 1.0 µA) BC848A,B,C, BC849B,C, BC850B,C Collector Cutoff Current (VCB = 30 V) (VCB = 30 V, TA = 150°C) 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. Collector–Emitter Breakdown Voltage (IC = 10 mA) V(BR)CEO 65 45 30 80 50 30 80 50 30 6.0 5.0 5.0 — — — — — — — — — — — — — — — — — — — — v
V(BR)CES
v
V(BR)CBO
v
V(BR)EBO ICBO
— —
15 5.0
nA µA
M3–1/4
BC846ALT1,BLT1 BC847ALT1,BLT1 CLT1 thru BC850BLT1,CLT1
ELECTRICAL CHARACTERISTICS(TA = 25°C unless otherwise noted) (Continued)
Characteristic Symbol Min Typ Max Unit
ON CHARACTERISTICS
BC846A, BC847A, BC848A BC846B, BC847B, BC848B BC847C, BC848C (I C = 2.0 mA, V CE = 5.0 V) BC846A, BC847A, BC848A BC846B, BC847B, BC848B, BC849B, BC850B BC847C, BC848C, BC849C, BC850C Collector–Emitter Saturation Voltage (I C = 10 mA, I B = 0.5 mA) Collector–Emitter Saturation Voltage (I C = 100 mA, I B = 5.0 mA) Base–Emitter Saturation Voltage (I C = 10 mA, I B = 0.5 mA) Base–Emitter Saturation Voltage (I C = 100 mA, I B = 5.0 mA) Base–Emitter Voltage (I C = 2.0 mA, V CE = 5.0 V) Base–Emitter Voltage (I C = 10 mA, V CE = 5.0 V) DC Current Gain (I C = 10 µA, V CE = 5.0 V) h FE — — — 110 200 420 — — — — 580 — 90 150 270 180 290 520 — — 0.7 0.9 660 — — — — 220 450 800 0.25 0.6 — — 700 770 —
V V V
CE(sat)
V V mV
BE(sat)
BE(on)
SMALL–SIGNAL CHARACTERISTICS
Current–Gain — Bandwidth Product (I C = 10 mA, V CE = 5.0 Vdc, f = 100 MHz) Output Capacitance (V CB = 10 V, f = 1.0 MHz) Noise Figure (I C = 0.2 mA, BC846A, BC847A, BC848A V CE = 5.0 Vdc, R S = 2.0 kΩ,BC846B, BC847B, BC848B f = 1.0 kHz, BW = 200 Hz) BC847C, BC848C BC849B,C, BC850B,C fT Cobo NF 100 — — — — 4.5 MHz pF dB
— —
— —
10 4.0
hFE, NORMALIZED DC CURRENT GAIN
2.0 1.5
1.0
V, VOLTAGE (VOLTS)
V C E = 10 V T A = 25°C
0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1
T A = 25°C V BE(sat) @ I C /I B=10 V BE(on) @ V CE = 10 V
1.0 0.8 0.6
0.4 0.3
V CE(sat) @ I C /I B = 10
0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100
0.2 0.2 0.5 1.0 2.0 5.0 10 20 50 100 200
0
2.0
θVB , TEMPERATURE COEFFICIENT (mV/ °C)
I C , COLLECTOR CURRENT (mAdc) Figure 1. Normalized DC Current Gain
VCE, COLLECTOR– EMITTER VOLTAGE (V)
I C , COLLECTOR CURRENT (mAdc) Figure 2. “Saturation” and “On” Voltages
1.0
T A = 25°C
1.6
–55°C to +125°C
1.2
I C= 200 mA
1.2
1.6
IC=
0.8
IC= 10 mA 20 mA
I C = 50 mA
I C = 100 mA
2.0
2.4
0.4
2.8
0 0.02 0.1 1.0 10 20
3.0 0.2 1.0 10 100
I B , BASE CURRENT (mA) Figure 3. Collector Saturation Region
I C , COLLECTOR CURRENT (mA) Figure 4. Base–Emitter Temperature Coefficient
M3–2/4
BC846ALT1,BLT1 BC847ALT1,BLT1 CLT1 thru BC850BLT1,CLT1
BC847/BC848
10.0 7.0 5.0
C, CAPACITANCE(pF) fT, CURRENT– GAIN – BANDWIDTH PRODUCT (MHz)
400 300 200 V CE = 10V T A = 25°C
T A = 25°C C ib
3.0 C ob 2.0
100 80 60 40 30 20 0.5 0.7 1.0
1.0 0.4 0.6 0.8 1.0
2.0
4.0 6.0 8.0 10
20
40
2.0 3.0
5.0 7.0 10
20
30
50
V R , REVERSE VOLTAGE (VOLTS)
I C , COLLECTOR CURRENT (mAdc)
Figure 5. Capacitances
1.0 V CE = 5 V T A = 25°C 2.0
V, VOLTAGE (VOLTS)
Figure 6. Current–Gain – Bandwidth Product
hFE , DC CURRENT GAIN (NORMALIZED)
T A = 25°C 0.8 V BE(sat) @ I C /I B = 10 0.6 VBE @ VCE = 5.0 V 0.4
1.0 0.5
0.2
0.2 VCE(sat) @ I C /I B= 10 0 0.2 0.5 1.0 2.0 5.0 10 20 50 100 200
0.1 0.2
1.0
10
100
I C , COLLECTOR CURRENT (mA)
V CE , COLLECTOR– EMITTER VOLTAGE (VOLTS) θVB , TEMPERATURE COEFFICIENT (mV/°C)
I C , COLLECTOR CURRENT (mA)
Figure 7. DC Current Gain
Figure 8. “On” Voltage
–1.0
2.0 T A= 25°C 1.6 20mA 1.2 IC = 10 mA 50mA 100mA 200mA
–1.4
–1.8
θ VB for V BE –55°C to 125°C
0.8
–2.2
0.4
–2.6
0 0.02
0.05 0.1
0.2
0.5
1.0 2.0
5.0
10
20
–3.0 0.2
0.5
1.0
2.0
5.0
10
20
50
100
200
I B , BASE CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Figure 9. Collector Saturation Region
Figure 10. Base–Emitter Temperature Coefficient
M3–3/4
BC846ALT1, BLT1 BC847ALT1, BLT1 CLT1 thru BC850BLT1, CLT1
BC846
fT, CURRENT– GAIN – BANDWIDTH PRODUCT T
40 T A= 25°C
C, CAPACITANCE (pF)
500 200 100 50 20
20 C ib 10 6.0 4.0 C ob
V CE= 5 V T A= 25°C
2.0 0.1 0.2 0.5 1.0 2.0 5.0 10 20 V R , REVERSE VOLTAGE (VOLTS) 50 100
1.0
5.0 10
50 100
I C , COLLECTOR CURRENT (mA)
Figure 11. Capacitance
Figure 12. Current–Gain – Bandwidth Product
M3–4/4