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BC846ALT1 Series
BC846, BC847 and BC848 are Preferred Devices
General Purpose
Transistors
NPN Silicon
Features
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COLLECTOR
3
1
BASE
Symbol
V
CEO
65
45
30
V
CBO
80
50
30
V
EBO
BC846
BC847, BC850
BC848, BC849
Collector Current − Continuous
I
C
6.0
6.0
5.0
100
mAdc
Vdc
Vdc
1
2
•
Moisture Sensitivity Level: 1
•
ESD Rating − Human Body Model: >4000 V
ESD Rating
− Machine Model: >400 V
•
Pb−Free Packages are Available
MAXIMUM RATINGS
Rating
Collector-Emitter Voltage
BC846
BC847, BC850
BC848, BC849
Collector−Base Voltage
BC846
BC847, BC850
BC848, BC849
Emitter−Base Voltage
Value
Unit
Vdc
2
EMITTER
3
SOT−23
CASE 318
STYLE 6
Maximum ratings are those values beyond which device damage can occur.
Maximum ratings applied to the device are individual stress limit values (not
normal operating conditions) and are not valid simultaneously. If these limits
are exceeded, device functional operation is not implied, damage may occur
and reliability may be affected.
MARKING DIAGRAM
THERMAL CHARACTERISTICS
Characteristic
Total Device Dissipation FR− 5 Board,
(Note 1)
T
A
= 25°C
Derate above 25°C
Thermal Resistance,
Junction−to−Ambient (Note 1)
Total Device Dissipation
Alumina Substrate (Note 2)
T
A
= 25°C
Derate above 25°C
Thermal Resistance,
Junction−to−Ambient (Note 2)
Junction and Storage
Temperature Range
Symbol
P
D
Max
225
Unit
mW
xxMG
G
1.8
R
qJA
P
D
556
300
mW/°C
°C/W
mW
xx
= Specific Device Code
M
= Date Code
G
= Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 5 of this data sheet.
2.4
R
qJA
T
J
, T
stg
417
−55 to
+150
mW/°C
°C/W
°C
Preferred
devices are recommended choices for future use
and best overall value.
1. FR−5 = 1.0
0.75
0.062 in.
2. Alumina = 0.4
0.3
0.024 in 99.5% alumina.
©
Semiconductor Components Industries, LLC, 2005
1
May, 2005 − Rev. 7
Publication Order Number:
BC846ALT1/D
BC846ALT1 Series
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted)
Characteristic
OFF CHARACTERISTICS
Collector −Emitter Breakdown Voltage BC846A,B
(I
C
= 10 mA)
BC847A,B,C, BC850B,C
BC848A,B,C, BC849B,C
Collector −Emitter Breakdown Voltage BC846A,B
(I
C
= 10
mA,
V
EB
= 0)
BC847A,B,C BC850B,C
BC848A,B,C, BC849B,C
Collector −Base Breakdown Voltage
(I
C
= 10
mA)
Emitter −Base Breakdown Voltage
(I
E
= 1.0
mA)
Collector Cutoff Current (V
CB
= 30 V)
(V
CB
= 30 V, T
A
= 150°C)
ON CHARACTERISTICS
DC Current Gain
(I
C
= 10
mA,
V
CE
= 5.0 V)
BC846A, BC847A, BC848A
BC846B, BC847B, BC848B
BC847C, BC848C
BC846A, BC847A, BC848A
BC846B, BC847B, BC848B,
BC849B, BC850B
BC847C, BC848C, BC849C, BC850C
V
CE(sat)
V
BE(sat)
V
BE(on)
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
mV
−
BC846A,B
BC847A,B,C, BC850B,C
BC848A,B,C, BC849B,C
BC846A,B
BC847A,B,C, BC850B,C
BC848A,B,C, BC849B,C
V
(BR)CEO
65
45
30
80
50
30
80
50
30
6.0
6.0
5.0
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
15
5.0
V
Symbol
Min
Typ
Max
Unit
V
(BR)CES
V
V
(BR)CBO
V
V
(BR)EBO
V
I
CBO
nA
mA
(I
C
= 2.0 mA, V
CE
= 5.0 V)
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)
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,
V
CE
= 5.0 Vdc, R
S
= 2.0 kW,
f = 1.0 kHz, BW = 200 Hz)
BC846A,B, BC847A,B,C, BC848A,B,C
BC849B,C, BC850B,C
f
T
C
obo
NF
100
−
−
−
−
−
−
−
−
4.5
10
4.0
MHz
pF
dB
Figure 1.
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2
BC846ALT1 Series
BC847, BC848, BC849, BC850
2.0
hFE , NORMALIZED DC CURRENT GAIN
1.5
1.0
0.8
0.6
0.4
0.3
0.2
V
CE
= 10 V
T
A
= 25°C
V, VOLTAGE (VOLTS)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.2
0.5
50
2.0
5.0 10
1.0
20
I
C
, COLLECTOR CURRENT (mAdc)
100
200
0
0.1
V
CE(sat)
@ I
C
/I
B
= 10
0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30
I
C
, COLLECTOR CURRENT (mAdc)
50 70 100
T
A
= 25°C
V
BE(sat)
@ I
C
/I
B
= 10
V
BE(on)
@ V
CE
= 10 V
Figure 1. Normalized DC Current Gain
2.0
T
A
= 25°C
1.6
I
C
= 200 mA
1.2
0.8
0.4
0
I
C
=
I
C
=
10 mA 20 mA
I
C
= 50 mA
I
C
= 100 mA
1.0
Figure 2. “Saturation” and “On” Voltages
VCE , COLLECTOR−EMITTER VOLTAGE (V)
θ
VB, TEMPERATURE COEFFICIENT (mV/
°
C)
−55°C to +125°C
1.2
1.6
2.0
2.4
2.8
0.02
0.1
1.0
I
B
, BASE CURRENT (mA)
10
20
0.2
10
1.0
I
C
, COLLECTOR CURRENT (mA)
100
Figure 3. Collector Saturation Region
f T, CURRENT−GAIN − BANDWIDTH PRODUCT (MHz)
10
7.0
C, CAPACITANCE (pF)
5.0
3.0
C
ob
2.0
C
ib
T
A
= 25°C
400
300
200
Figure 4. Base−Emitter Temperature Coefficient
100
80
60
40
30
20
0.5 0.7
1.0
V
CE
= 10 V
T
A
= 25°C
1.0
0.4 0.6 0.8 1.0
2.0
20
4.0 6.0 8.0 10
V
R
, REVERSE VOLTAGE (VOLTS)
40
2.0 3.0
5.0 7.0 10
20
I
C
, COLLECTOR CURRENT (mAdc)
30
50
Figure 5. Capacitances
Figure 6. Current−Gain − Bandwidth Product
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3
BC846ALT1 Series
BC846
1.0
hFE , DC CURRENT GAIN (NORMALIZED)
V
CE
= 5 V
T
A
= 25°C
2.0
1.0
0.5
0.2
0.1 0.2
10
100
1.0
I
C
, COLLECTOR CURRENT (mA)
V, VOLTAGE (VOLTS)
T
A
= 25°C
0.8
V
BE(sat)
@ I
C
/I
B
= 10
0.6
0.4
0.2
V
CE(sat)
@ I
C
/I
B
= 10
0
0.2
0.5
50
10 20
5.0
1.0 2.0
I
C
, COLLECTOR CURRENT (mA)
100
200
V
BE
@ V
CE
= 5.0 V
Figure 7. DC Current Gain
2.0
T
A
= 25°C
1.6
20 mA
1.2
0.8
0.4
0
I
C
=
10 mA
50 mA
100 mA
200 mA
−1.0
−1.4
−1.8
Figure 8. “On” Voltage
VCE , COLLECTOR−EMITTER VOLTAGE (VOLTS)
θ
VB, TEMPERATURE COEFFICIENT (mV/
°
C)
q
VB
for V
BE
−2.2
−2.6
−3.0
−55°C to 125°C
0.02
0.05
0.1
0.2
0.5
1.0 2.0
I
B
, BASE CURRENT (mA)
5.0
10
20
0.2
0.5
50
10 20
5.0
1.0 2.0
I
C
, COLLECTOR CURRENT (mA)
100
200
Figure 9. Collector Saturation Region
Figure 10. Base−Emitter Temperature Coefficient
T
A
= 25°C
C, CAPACITANCE (pF)
20
C
ib
f T, CURRENT−GAIN − BANDWIDTH PRODUCT
40
500
200
100
50
20
V
CE
= 5 V
T
A
= 25°C
10
6.0
4.0
C
ob
2.0
0.1
0.2
1.0 2.0
10 20
0.5
5.0
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
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