Maximum ratings, Thermal characteristics, Electrical characteristics – Diodes BC857BLP User Manual
Page 2: Bc857blp

BC857BLP
Document number: DS30526 Rev. 10 - 2
2 of 4
February 2011
© Diodes Incorporated
BC857BLP
Maximum Ratings
@T
A
= 25°C unless otherwise specified
Characteristic Symbol
Value
Unit
Collector-Base Voltage
V
CBO
-50 V
Collector-Emitter Voltage
V
CEO
-45 V
Emitter-Base Voltage
V
EBO
-5.0 V
Collector Current
I
C
-100 mA
Thermal Characteristics
Characteristic
Symbol
Value
Unit
Power Dissipation (Note 4) @T
A
= 25°C
P
D
250
mW
Thermal Resistance, Junction to Ambient Air (Note 4) @T
A
= 25°C
R
θJA
500
°C/W
Operating and Storage Temperature Range
T
J
, T
STG
-55 to +150
°C
Electrical Characteristics
@T
A
= 25°C unless otherwise specified
Characteristic (Note 5)
Symbol
Min
Typ
Max
Unit
Test Condition
Collector-Base Breakdown Voltage
BV
CBO
-50
—
—
V
I
C
= 10
μA, I
B
= 0
Collector-Emitter Breakdown Voltage
BV
CEO
-45
—
—
V
I
C
= 10mA, I
B
= 0
Emitter-Base Breakdown Voltage
BV
EBO
-5
—
—
V
I
E
= 1
μA, I
C
= 0
DC Current Gain
h
FE
220
260
475
—
V
CE
= -5.0V, I
C
= -2.0mA
Collector-Emitter Saturation Voltage
V
CE(sat)
—
-90
-250
-300
-650
mV
I
C
= -10mA, I
B
= -0.5mA
I
C
= -100mA, I
B
= -5.0mA
Base-Emitter Saturation Voltage
V
BE(sat)
—
—
-700
-850
—
—
mV
I
C
= -10mA, I
B
= -0.5mA
I
C
= -100mA, I
B
= -5.0mA
Base-Emitter Voltage
V
BE(on)
-600
—
-670
-710
-750
-820
mV
V
CE
= -5.0V, I
C
= -2.0mA
V
CE
= -5.0V, I
C
= -10mA
Collector-Cutoff Current
I
CBO
—
—
—
—
-15
-4.0
nA
µA
V
CB
= -30V
V
CB
= -30V, T
A
= 150°C
Gain Bandwidth Product
f
T
100
—
—
MHz
V
CE
= -5.0V, I
C
= -10mA,
f = 100MHz
Collector-Base Capacitance
C
CBO
—
3.0
—
pF
V
CB
= -10V, f = 1.0MHz
Notes:
4. Device mounted on FR-4 PCB, Diodes Inc. suggested pad layout document can be found on our website at
5. Short duration pulse test used to minimize self-heating effect.
0
50
100
0
25
50
75
100
125
150
P
,
P
O
WE
R
DI
SSI
P
A
T
IO
N (
m
W
)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1 Power Dissipation
vs. Ambient Temperature (Note 4)
A
150
200
250
300
R
= 500 C/W
θJA
°
h
, DC C
U
RRENT
GAIN
FE
I , COLLECTOR CURRENT (mA)
Fig. 2
C
Typical DC Current Gain vs. Collector Current