1
Motorola Small–Signal Transistors, FETs and Diodes Device Data
NPN Silicon
MAXIMUM RATINGS
Rating Symbol BC
546 BC
547 BC
548 Unit
Collector–Emitter Voltage VCEO 65 45 30 Vdc
Collector–Base Voltage VCBO 80 50 30 Vdc
Emitter–Base Voltage VEBO 6.0 Vdc
Collector Current — Continuous IC100 mAdc
Total Device Dissipation @ TA = 25°C
Derate above 25°CPD625
5.0 mW
mW/°C
Total Device Dissipation @ TC = 25°C
Derate above 25°CPD1.5
12 Watt
mW/°C
Operating and Storage Junction
Temperature Range TJ, Tstg –55 to +150 °C
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Thermal Resistance, Junction to Ambient R
q
JA 200 °C/W
Thermal Resistance, Junction to Case R
q
JC 83.3 °C/W
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic Symbol Min Typ Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage BC546
(IC = 1.0 mA, IB = 0) BC547
BC548
V(BR)CEO 65
45
30
—
—
—
—
—
—
V
Collector–Base Breakdown Voltage BC546
(IC = 100 µAdc) BC547
BC548
V(BR)CBO 80
50
30
—
—
—
—
—
—
V
Emitter–Base Breakdown Voltage BC546
(IE = 10
m
A, IC = 0) BC547
BC548
V(BR)EBO 6.0
6.0
6.0
—
—
—
—
—
—
V
Collector Cutoff Current
(VCE = 70 V, VBE = 0) BC546
(VCE = 50 V, VBE = 0) BC547
(VCE = 35 V, VBE = 0) BC548
(VCE = 30 V, TA = 125°C) BC546/547/548
ICES —
—
—
—
0.2
0.2
0.2
—
15
15
15
4.0
nA
µA
Order this document
by BC546/D
SEMICONDUCTOR TECHNICAL DATA
CASE 29–04, STYLE 17
TO–92 (TO–226AA)
123
Motorola, Inc. 1996
COLLECTOR
1
2
BASE
3
EMITTER
REV 1
2 Motorola Small–Signal Transistors, FETs and Diodes Device Data
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)
Characteristic Symbol Min Typ Max Unit
ON CHARACTERISTICS
DC Current Gain
(IC = 10 µA, VCE = 5.0 V) BC547A/548A
BC546B/547B/548B
BC548C
(IC = 2.0 mA, VCE = 5.0 V) BC546
BC547
BC548
BC547A/548A
BC546B/547B/548B
BC547C/BC548C
(IC = 100 mA, VCE = 5.0 V) BC547A/548A
BC546B/547B/548B
BC548C
hFE —
—
—
110
110
110
110
200
420
—
—
—
90
150
270
—
—
—
180
290
520
120
180
300
—
—
—
450
800
800
220
450
800
—
—
—
—
Collector–Emitter Saturation V oltage
(IC = 10 mA, IB = 0.5 mA)
(IC = 100 mA, IB = 5.0 mA)
(IC = 10 mA, IB = See Note 1)
VCE(sat) —
—
—
0.09
0.2
0.3
0.25
0.6
0.6
V
Base–Emitter Saturation V oltage
(IC = 10 mA, IB = 0.5 mA) VBE(sat) —0.7 — V
Base–Emitter On Voltage
(IC = 2.0 mA, VCE = 5.0 V)
(IC = 10 mA, VCE = 5.0 V)
VBE(on) 0.55
——
—0.7
0.77
V
SMALL–SIGNAL CHARACTERISTICS
Current–Gain — Bandwidth Product
(IC = 10 mA, VCE = 5.0 V, f = 100 MHz) BC546
BC547
BC548
fT150
150
150
300
300
300
—
—
—
MHz
Output Capacitance
(VCB = 10 V, IC = 0, f = 1.0 MHz) Cobo —1.7 4.5 pF
Input Capacitance
(VEB = 0.5 V, IC = 0, f = 1.0 MHz) Cibo —10 — pF
Small–Signal Current Gain
(IC = 2.0 mA, VCE = 5.0 V, f = 1.0 kHz) BC546
BC547/548
BC547A/548A
BC546B/547B/548B
BC547C/548C
hfe 125
125
125
240
450
—
—
220
330
600
500
900
260
500
900
—
Noise Figure
(IC = 0.2 mA, VCE = 5.0 V, RS = 2 k
W
, BC546
f = 1.0 kHz, ∆f = 200 Hz) BC547
BC548
NF —
—
—
2.0
2.0
2.0
10
10
10
dB
Note 1: IB is value for which IC = 11 mA at VCE = 1.0 V.
3
Motorola Small–Signal Transistors, FETs and Diodes Device Data
Figure 1. Normalized DC Current Gain
IC, COLLECTOR CURRENT (mAdc)
2.0
Figure 2. “Saturation” and “On” Voltages
IC, COLLECTOR CURRENT (mAdc)
0.2 0.5 1.0 10 20 50
0.2 100
Figure 3. Collector Saturation Region
IB, BASE CURRENT (mA)
Figure 4. Base–Emitter Temperature Coefficient
IC, COLLECTOR CURRENT (mA)
2.0 5.0 200
0.6
0.7
0.8
0.9
1.0
0.5
0
0.2
0.4
0.1
0.3
1.6
1.2
2.0
2.8
2.4
1.2
1.6
2.0
0.02 1.0 10
020
0.1
0.4
0.8
hFE, NORMALIZED DC CURRENT GAIN
V, VOLTAGE (VOLTS)
VCE, COLLECTOR–EMITTER VOLTAGE (V)
VB, TEMPERATURE COEFFICIENT (mV/ C)
°θ
1.5
1.0
0.8
0.6
0.4
0.3
0.2 0.5 1.0 10 20 50
2.0 10070
307.05.03.00.70.30.1
0.2 1.0 10 100
TA = 25
°
C
VBE(sat) @ IC/IB = 10
VCE(sat) @ IC/IB = 10
VBE(on) @ VCE = 10 V
VCE = 10 V
TA = 25
°
C
–55
°
C to +125
°
CTA = 25
°
C
IC = 50 mA IC = 100 mA
IC = 200 mA
IC =
20 mA
IC =
10 mA
1.0
BC547/BC548
Figure 5. Capacitances
VR, REVERSE VOLTAGE (VOL TS)
10
Figure 6. Current–Gain – Bandwidth Product
IC, COLLECTOR CURRENT (mAdc)
0.4 0.6 1.0 10 20
1.0 2.0 6.0 40
80
100
200
300
400
60
20
40
30
7.0
5.0
3.0
2.0
0.7 1.0 10 202.0 50
307.05.03.00.5
VCE = 10 V
TA = 25
°
C
C, CAPACITANCE (pF)
f , CURRENT–GAIN – BANDWIDTH PRODUCT (MHz)
T
0.8 4.0 8.0
TA = 25
°
C
Cob
Cib
4 Motorola Small–Signal Transistors, FETs and Diodes Device Data
BC547/BC548
Figure 7. DC Current Gain
IC, COLLECTOR CURRENT (mA)
Figure 8. “On” Voltage
IC, COLLECTOR CURRENT (mA)
0.8
1.0
0.6
0.2
0.4
1.0
2.0
0.1 1.0 10 100
0.2
0.2
0.5
0.2 1.0 10 200
TA = 25
°
C
VBE(sat) @ IC/IB = 10
VCE(sat) @ IC/IB = 10
VBE @ VCE = 5.0 V
Figure 9. Collector Saturation Region
IB, BASE CURRENT (mA)
Figure 10. Base–Emitter Temperature Coefficient
IC, COLLECTOR CURRENT (mA)
–1.0
1.2
1.6
2.0
0.02 1.0 10
020
0.1
0.4
0.8
VCE, COLLECTOR–EMITTER VOLTAGE (VOL TS)
VB, TEMPERA TURE COEFFICIENT (mV/ C)
°θ
0.2 2.0 10 200
1.0
TA = 25
°
C
200 mA
50 mA
IC =
10 mA
hFE, DC CURRENT GAIN (NORMALIZED)
V, VOLTAGE (VOLTS)
VCE = 5 V
TA = 25
°
C
00.5 2.0 5.0 20 50 100
0.05 0.2 0.5 2.0 5.0
100 mA
20 mA
–1.4
–1.8
–2.2
–2.6
–3.0 0.5 5.0 20 50 100
–55
°
C to 125
°
C
θ
VB for VBE
BC546
Figure 11. Capacitance
VR, REVERSE VOLTAGE (VOL TS)
40
Figure 12. Current–Gain – Bandwidth Product
IC, COLLECTOR CURRENT (mA)
0.1 0.2 1.0 50
2.0 2.0 10 100
100
200
500
50
20
20
10
6.0
4.0
1.0 10 50 100
5.0
VCE = 5 V
TA = 25
°
C
C, CAPACITANCE (pF)
f , CURRENT–GAIN – BANDWIDTH PRODUCT
T
0.5 5.0 20
TA = 25
°
C
Cob
Cib
5
Motorola Small–Signal Transistors, FETs and Diodes Device Data
PACKAGE DIMENSIONS
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. CONTOUR OF PACKAGE BEYOND DIMENSION R
IS UNCONTROLLED.
4. DIMENSION F APPLIES BETWEEN P AND L.
DIMENSION D AND J APPLY BETWEEN L AND K
MINIMUM. LEAD DIMENSION IS UNCONTROLLED
IN P AND BEYOND DIMENSION K MINIMUM.
R
A
P
J
L
F
B
K
G
HSECTION X–X
C
V
D
N
N
XX
SEATING
PLANE DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.175 0.205 4.45 5.20
B0.170 0.210 4.32 5.33
C0.125 0.165 3.18 4.19
D0.016 0.022 0.41 0.55
F0.016 0.019 0.41 0.48
G0.045 0.055 1.15 1.39
H0.095 0.105 2.42 2.66
J0.015 0.020 0.39 0.50
K0.500 ––– 12.70 –––
L0.250 ––– 6.35 –––
N0.080 0.105 2.04 2.66
P––– 0.100 ––– 2.54
R0.115 ––– 2.93 –––
V0.135 ––– 3.43 –––
1
CASE 029–04
(TO–226AA)
ISSUE AD
STYLE 17:
PIN 1. COLLECTOR
2. BASE
3. EMITTER
6 Motorola Small–Signal Transistors, FETs and Diodes Device Data
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BC546/D
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