LBC8561/6
LESHAN RADIO COMPANY, LTD.
Dual General Purpose
Transistors
These transistors are designed for general purpose amplifier
applications. They are housed in the SOT363/SC88 which is
designed for low power surface mount applications.
Device Marking:
LBC856BDW1T1 = 3B
LBC857BDW1T1 = 3F
LBC857CDW1T1 = 3G
LBC858BDW1T1 = 3K
LBC858CDW1T1 = 3L
MAXIMUM RATINGS
Rating
Symbol
BC856
BC857
BC858
Unit
CollectorEmitter Voltage
V
CEO
65
45
30
V
CollectorBase Voltage
V
CBO
80
50
30
V
EmitterBase Voltage
V
EBO
5.0
5.0
5.0
V
Collector Current
Continuous
I
C
100
100
100
mAdc
THERMAL CHARACTERISTICS
Characteristic
Symbol
Max
Unit
Total Device Dissipation
Per Device
FR5 Board (Note 1.)
T
A
= 25
C
Derate Above 25
C
P
D
380
250
3.0
mW
mW/
C
Thermal Resistance,
Junction to Ambient
R
q
JA
328
C/W
Junction and Storage
Temperature Range
T
J
, T
stg
55 to +150
C
1. FR5 = 1.0 x 0.75 x 0.062 in
Device
Package
Shipping
LBC857BDW1T1 SOT363
3000 Units/Reel
DEVICE MARKING
LBC857CDW1T1 SOT36 3
3000 Units/Reel
LBC858BDW1T1 SOT363
3000 Units/Reel
LBC858CDW1T1 SOT363
3000 Units/Reel
LBC856BDW1T1 SOT363
3000 Units/Reel
See Table
ORDERING INFORMATION
LBC856*DW1T1
1
2
3
4
5
6
SOT-363
Q
1
Q
2
(1)
(2)
(3)
(4)
(5)
(6)
LESHAN RADIO COMPANY, LTD.
LBC856 2/6
LBC856BDW1T1, LBC857BDW1T1, LBC857CDW1T1, LBC858BDW1T1, LBC858CDW1T1
ELECTRICAL CHARACTERISTICS
(T
A
= 25
C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
OFF CHARACTERISTICS
CollectorEmitter Breakdown Voltage
(I
C
= 10 mA)
LBC857 Series
LBC858 Series
V
(BR)CEO
65
45
30
V
CollectorEmitter Breakdown Voltage
(I
C
= 10
A, V
EB
= 0)
LBC856 Series
LBC857 Series
LBC858 Series
V
(BR)CES
80
50
30
V
CollectorBase Breakdown Voltage
(I
C
= 10
m
A)
LBC856 Series
LBC857 Series
LBC858 Series
V
(BR)CBO
80
50
30
V
EmitterBase Breakdown Voltage
(I
E
= 1.0
m
A)
LBC856 Series
LBC857 Series
LBC858 Series
V
(BR)EBO
5.0
5.0
5.0
V
Collector Cutoff Current (V
CB
= 30 V)
Collector Cutoff Current
(V
CB
= 30 V, T
A
= 150
C)
I
CBO
15
4.0
nA
A
ON CHARACTERISTICS
DC Current Gain
(I
C
= 10
A, V
CE
= 5.0 V) LBC856B, LBC857B, LBC858B
LBC857C, LBC858C
(I
C
= 2.0 mA, V
CE
= 5.0 V)
LBC856B, LBC857B, LBC858B
LBC857C, LBC858C
h
FE
220
420
150
270
290
520
475
800
CollectorEmitter Saturation Voltage
(I
C
= 10 mA, I
B
= 0.5 mA)
(I
C
= 100 mA, I
B
= 5.0 mA)
V
CE(sat)
0.3
0.65
V
BaseEmitter Saturation Voltage
(I
C
= 10 mA, I
B
= 0.5 mA)
(I
C
= 100 mA, I
B
= 5.0 mA)
V
BE(sat)
0.7
0.9
V
BaseEmitter On Voltage
(I
C
= 2.0 mA, V
CE
= 5.0 V)
(I
C
= 10 mA, V
CE
= 5.0 V)
V
BE(on)
0.6
0.75
0.82
V
SMALLSIGNAL CHARACTERISTICS
CurrentGain Bandwidth Product
(I
C
= 10 mA, V
CE
= 5.0 Vdc, f = 100 MHz)
f
T
100
MHz
Output Capacitance
(V
CB
= 10 V, f = 1.0 MHz)
C
ob
4.5
pF
Noise Figure
(I
C
= 0.2 mA, V
CE
= 5.0 Vdc, R
S
= 2.0 k
,
f = 1.0 kHz, BW = 200 Hz)
NF
10
dB
LBC856 Series
LESHAN RADIO COMPANY, LTD.
LBC856 3/6
LBC856BDW1T1, LBC857BDW1T1, LBC857CDW1T1, LBC858BDW1T1, LBC858CDW1T1
TYPICAL CHARACTERISTICS
LBC856
Figure 1. DC Current Gain
I
C
, COLLECTOR CURRENT (AMP)
Figure 2. "On" Voltage
I
C
, COLLECTOR CURRENT (mA)
-0.8
-1.0
-0.6
-0.2
-0.4
1.0
2.0
-0.1
-1.0
-10
-200
-0.2
0.2
0.5
-0.2
-1.0
-10
-200
T
J
= 25
C
V
BE(sat)
@ I
C
/I
B
= 10
V
CE(sat)
@ I
C
/I
B
= 10
V
BE
@ V
CE
= -5.0 V
Figure 3. Collector Saturation Region
I
B
, BASE CURRENT (mA)
Figure 4. BaseEmitter Temperature Coefficient
I
C
, COLLECTOR CURRENT (mA)
-1.0
-1.2
-1.6
-2.0
-0.02
-1.0
-10
0
-20
-0.1
-0.4
-0.8
V CE
, COLLECT
OR-EMITTER VOL
T
AGE (VOL
TS)
VB
,
TEMPERA
TURE COEFFICIENT
(mV/
C)
-0.2
-2.0
-10
-200
-1.0
T
J
= 25
C
I
C
=
-10 mA
h FE
, DC CURRENT
GAIN (NORMALIZED)
V
, VOL
T
AGE (VOL
TS)
V
CE
= -5.0 V
T
A
= 25
C
0
-0.5
-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
VB
for V
BE
-2.0 -5.0
-20 -50 -100
Figure 5. Capacitance
V
R
, REVERSE VOLTAGE (VOLTS)
40
Figure 6. CurrentGain Bandwidth Product
I
C
, 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
-100
V
CE
= -5.0 V
C, CAP
ACIT
ANCE (pF)
f, CURRENT-GAIN - BANDWIDTH PRODUCT T
-0.5
-5.0
-20
T
J
= 25
C
C
ob
C
ib
8.0
-50 mA
-200 mA
LESHAN RADIO COMP ANY, LTD.
LBC8565/6
LBC856BDW1T1, LBC857BDW1T1, LBC857CDW1T1, LBC858BDW1T1, LBC858CDW1T1
TYPICAL CHARACTERISTICS
LBC857/LBC858
Figure 7. Normalized DC Current Gain
I
C
, COLLECTOR CURRENT (mAdc)
2.0
Figure 8. "Saturation" and "On" Voltages
I
C
, COLLECTOR CURRENT (mAdc)
-0.2
0.2
Figure 9. Collector Saturation Region
I
B
, BASE CURRENT (mA)
Figure 10. BaseEmitter Temperature
Coefficient
I
C
, COLLECTOR CURRENT (mA)
-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
0
-20
-0.1
-0.4
-0.8
h FE
, NORMALIZED DC CURRENT
GAIN
V
, VOL
T
AGE (VOL
TS)
V CE
, COLLECT
OR-EMITTER VOL
T
AGE (V)
VB
,
TEMPERA
TURE COEFFICIENT
(mV/
C)
1.5
1.0
0.7
0.5
0.3
-0.2
-10
-100
-1.0
T
A
= 25
C
V
BE(sat)
@ I
C
/I
B
= 10
V
CE(sat)
@ I
C
/I
B
= 10
V
BE(on)
@ V
CE
= -10 V
V
CE
= -10 V
T
A
= 25
C
-55
C to +125
C
I
C
= -100 mA
I
C
= -20 mA
-0.5 -1.0 -2.0
-5.0 -10 -20
-50 -100 -200
-0.1 -0.2
-0.5 -1.0 -2.0
-5.0 -10 -20
-50 -100
I
C
= -200 mA
I
C
= -50 mA
I
C
=
-10 mA
Figure 11. Capacitances
V
R
, REVERSE VOLTAGE (VOLTS)
10
Figure 12. CurrentGain Bandwidth Product
I
C
, COLLECTOR CURRENT (mAdc)
-0.4
1.0
80
100
200
300
400
60
20
40
30
7.0
5.0
3.0
2.0
-0.5
C, CAP
ACIT
ANCE (pF)
f, CURRENT-GAIN - BANDWIDTH PRODUCT
(MHz)
T
T
A
= 25
C
C
ob
C
ib
-0.6
-1.0
-2.0
-4.0 -6.0
-10
-20 -30 -40
150
-1.0
-2.0 -3.0 -5.0
-10
-20 -30 -50
V
CE
= -10 V
T
A
= 25
C
T
A
= 25
C
1.0
LESHAN RADIO COMPANY, LTD.
LBC8565/6
LBC856BDW1T1, LBC857BDW1T1, LBC857CDW1T1, LBC858BDW1T1, LBC858CDW1T1
Figure 13. Thermal Response
Figure 14. Active Region Safe Operating Area
V
CE
, COLLECTOR-EMITTER VOLTAGE (V)
-200
-1.0
I C
, COLLECT
OR CURRENT
(mA)
T
A
= 25
C
BONDING WIRE LIMIT
THERMAL LIMIT
SECOND BREAKDOWN LIMIT
3 ms
T
J
= 25
C
-100
-50
-10
-5.0
-2.0
-5.0
-10
-30 -45 -65 -100
1 s
BC558
BC557
BC556
The safe operating area curves indicate I
C
V
CE
limits of the
transistor that must be observed for reliable operation. Collector
load lines for specific circuits must fall below the limits indicated
by the applicable curve.
The data of Figure 14 is based upon T
J(pk)
= 150
C; T
C
or T
A
is variable depending upon conditions. Pulse curves are valid
for duty cycles to 10% provided T
J(pk)
150
C. T
J(pk)
may be
calculated from the data in Figure 13. At high case or ambient
temperatures, thermal limitations will reduce the power that can
be handled to values less than the limitations imposed by the
secondary breakdown.
t, TIME (ms)
1.0
r(t), TRANSIENT
THERMAL
1.0
0
RESIST
ANCE (NORMALIZED)
0.1
0.01
0.001
10
100
1.0 k
10 k
100 k
D = 0.5
0.2
0.1
0.05
SINGLE PULSE
Z
JA
(t) = r(t) R
JA
R
JA
= 328
C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t
1
T
J(pk)
- T
C
= P
(pk)
R
JC
(t)
t
1
t
2
P
(pk)
DUTY CYCLE, D = t
1
/t
2
1.0 M
0.02
0.01
LESHAN RADIO COMPANY, LTD.
LBC8566/6
LBC856BDW1T1, LBC857BDW1T1, LBC857CDW1T1, LBC858BDW1T1, LBC858CDW1T1
0.5 mm (min)
0.4 mm (min)
0.65 mm
0.65 mm
1.9 mm
B
0.2 (0.008)
M
M
1
2
3
A
G
S
H
C
N
J
K
6
5
4
SC-88/SOT-363
D
6 P L
-B-
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
INCHES
MILLIMETERS
DIM
MIN
MAX
MIN
MAX
A
0.071
0.087
1.80
2.20
B
0.045
0.053
1.15
1.35
C
0.031
0.043
0.80
1.10
D
0.004
0.012
0.10
0.30
G
0.026 BSC
0.65 BSC
H
---
0.004
---
0.10
J
0.004
0.010
0.10
0.25
K
0.004
0.012
0.10
0.30
N 0.008
REF
0 .20 REF
S
0.079
0.087
2.00
2.20
PIN 1. EMITTER 2
2. BASE 2
3. COLLECTOR 1
4.EMITTER 1
5. BASE 1
6.COLLECTOR 2
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