LESHAN RADIO COMPANY, LTD.
K61/6
General Purpose Transistors
PNP Silicon
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 FR 5 Board, (1)
P
D
150
mW
T
A
= 25C
Thermal Resistance, Junction to Ambient
R
JA
833
C/W
Junction and Storage Temperature
T
J
, T
stg
55 to +150
C
DEVICE MARKING
LBC856AWT1 = 3A; LBC856BWT1 = 3B; LBC857AWT1 = 3E; LBC857BWT1 = 3F;
LBC858AWT1 = 3J; LBC858BWT1 = 3K; LBC858CWT1 = 3L
ELECTRICAL CHARACTERISTICS
(T
A
= 25C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
OFF CHARACTERISTICS
CollectorEmitter Breakdown Voltage 65 -- --
(I
C
= 10 mA)
V
(BR)CEO
45 -- -- v
30 -- --
CollectorEmitter Breakdown Voltage 80 -- --
(I
C
= 10
A, V
EB
= 0)
V
(BR)CES
50 -- -- v
30 -- --
CollectorBase Breakdown Voltage 80 -- --
(I
C
= 10
A)
V
(BR)CBO
50 -- -- v
30 -- --
EmitterBase Breakdown Voltage 5.0 -- --
(I
E
= 1.0
A)
V
(BR)EBO
5.0 -- -- v
5.0 -- --
Collector Cutoff Current (V
CB
= 30 V)
I
CBO
--
--
15
nA
(V
CB
= 30 V, T
A
= 150C)
--
--
4.0
A
1.FR5=1.0 x 0.75 x 0.062in
These transistors are designed for general purpose
amplifier applications. They are housed in the SOT323/
SC70 which is designed for low power surface mount
applications.
1
3
2
LBC856AWT1, BWT1
LBC857AWT1, BWT1
LBC858AWT1, BWT1
CWT1
2
EMITTER
3
COLLECTOR
1
BASE
LBC856 Series
LBC857 Series
LBC858 Series
LBC856 Series
LBC857 Series
LBC858 Series
LBC856 Series
LBC857 Series
LBC858 Series
LBC856 Series
LBC857 Series
LBC858 Series
SOT 323 / SC-70
Features
Pb Free Package May be Available. The G.Suffix Denotes a
Pb Free Lead Finish
LESHAN RADIO COMPANY, LTD.
K62/6
ELECTRICAL CHARACTERISTICS
(T
A
= 25C unless otherwise noted) (Continued)
Characteristic
Symbol
Min
Typ
Max
Unit
ON CHARACTERISTICS
DC Current Gain h
FE
--
90
--
--
(I
C
= 10
A, V
CE
= 5.0 V) -- 150 --
-- 270 --
(I
C
= 2.0 mA, V
CE
= 5.0 V) 125 180 250
220 290 475
420 520 800
CollectorEmitter Saturation Voltage (I
C
= 10 mA, I
B
= 0.5 mA)
V
CE(sat)
--
--
0.3
V
CollectorEmitter Saturation Voltage
(I
C
= 100 mA, I
B
= 5.0 mA)
--
--
0.65
BaseEmitter Saturation Voltage (I
C
= 10 mA, I
B
= 0.5 mA)
V
BE(sat)
--
0.7
--
V
BaseEmitter Saturation Voltage
(I
C
= 100 mA, I
B
= 5.0 mA)
--
0.9
--
BaseEmitter Voltage (I
C
= 2.0 mA, V
CE
= 5.0 V)
V
BE(on)
0.6
--
0.75
V
BaseEmitter Voltage
(I
C
= 10 mA, V
CE
= 5.0 V)
--
--
0.82
SMALLSIGNAL CHARACTERISTICS
CurrentGain -- Bandwidth Product
f
T
100
--
--
MHz
(I
C
= 10 mA, V
CE
= 5.0 Vdc, f = 100 MHz)
Output Capacitance (V
CB
= 10 V, f = 1.0 MHz)
C
ob
--
--
4.5
pF
Noise Figure
NF
10
dB
(I
C
= 0.2 mA,V
CE
= 5.0 V
dc
, R
S
= 2.0 k
, f =1.0 kHz, BW= 200 Hz)
LBC856AWT1, BWT1 LBC857AWT1, BWT1 LBC858AWT1, BWT1, CWT1
LBC856A, LBC857A, LBC858A
LBC856B,LBC857B, LBC858B
LBC858C,
LBC858C,
LBC856B,LBC857B, LBC858B
LBC856A, LBC857A, LBC858A
Device
ORDERING INFORMATION
Package
Shipping
LBC856AWT1G, BWT1G
LBC857AWT1G, BWT1G
LBC858AWT1G, BWT1G, CWT1G
SOT-23
SOT-23
SOT-23
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
Pb Free
(
)
LESHAN RADIO COMPANY, LTD.
K63/6
LBC856AWT1, BWT1 LBC857AWT1, BWT1, LBC858AWT1, BWT1, CWT1
LBC857/LBC858
I
C
, COLLECTOR CURRENT (mAdc)
Figure 1. Normalized DC Current Gain
I
C
, COLLECTOR CURRENT (mAdc)
Figure 2. "Saturation" and "On" Voltages
0.2
0.5
1.0
2.0
5.0
10
20
50
100
200
V
CE
= 10 V
T
A
= 25C
2.0
1.5
1.0
0.7
0.5
0.3
0.2
0.1
0.2
0.5
1.0
2.0
5.0
10
20
50
100
T
A
= 25C
V
BE(sat)
@ I
C
/I
B
=10
V
BE(on)
@ V
CE
= 10 V
V
CE(sat)
@ I
C
/I
B
= 10
T
A
= 25C
V
,
VOL
T
A
GE (VOL
TS)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
VB
, TEMPERA
TURE COEFFICIENT (mV/ C)
1.0
1.2
1.6
2.0
2.4
2.8
I
B
, BASE CURRENT (mA)
Figure 3. Collector Saturation Region
V
CE
, COLLECT
OR EMITTER VOL
T
AGE (V)
I
C
= 200 mA
55C to +125C
I
C
, COLLECTOR CURRENT (mA)
Figure 4. BaseEmitter Temperature Coefficient
0.2
1.0
10
100
0.02
0.1
1.0
10
20
2.0
1.6
1.2
0.8
0.4
0
I
C
=
10 mA
I
C
= 100 mA
I
C
= 20 mA
I
C
= 50 mA
h
FE
, NORMALIZED DC CURRENT GAIN
V
R
, REVERSE VOLTAGE (VOLTS)
Figure 5. Capacitances
I
C
, COLLECTOR CURRENT (mAdc)
Figure 6. CurrentGain Bandwidth Product
T
A
=25C
V
CE
= 10V
T
A
= 25C
f
T
, CURRENT GAIN BANDWIDTH
PRODUCT (MHz)
C, CAP
ACIT
ANCE(pF)
C
ob
C
ib
400
300
200
150
100
80
60
40
30
20
10.0
7.0
5.0
3.0
2.0
1.0
0.4
0.6
1.0
2.0
4.0
6.0
10
20
30
40
0.5
1.0
2.0
3.0
5.0
10
20
30
50
LESHAN RADIO COMPANY, LTD.
K64/6
I
C
, COLLECTOR CURRENT (mA)
Figure 7. DC Current Gain
I
C
, COLLECTOR CURRENT (mA)
Figure 8. "On" Voltage
I
B
, BASE CURRENT (mA)
Figure 9. Collector Saturation Region
I
C
, COLLECTOR CURRENT (mA)
Figure 10. BaseEmitter Temperature Coefficient
V
BE(sat)
@ I
C
/I
B
=10
V
BE
@V
CE
= 5.0 V
T
J
= 25C
V
CE
= 5.0V
T
A
= 25C
V
CE(sat)
@ I
C
/I
B
= 10
V
CE
, COLLECT
OR EMITTER VOL
T
AGE (VOL
TS)
VB
, TEMPERA
TURE COEFFICIENT (mV/C)
V
,
VOL
T
AGE (VOL
TS)
I
C
=
10mA
100mA
20mA
200mA
T
J
= 25C
VB
for V
BE
55C to 125C
1.0
1.4
1.8
2.2
2.6
3.0
1.0
0.8
0.6
0.4
0.2
0
2.0
1.0
0.5
0.2
2.0
1.6
1.2
0.8
0.4
0
0.10.2
1.0 2.0 5.0 10 20 50 100200
0.2
0.5 1.0 2.0
5.0
10 20
50 100 200
0.2
0.5 1.0 2.0
5.0
10 20
50 100 200
0.02
0.05 0.1 0.2
0.5
1.0 2.0
5.0
10 20
h
FE
, DC CURRENT GAIN (NORMALIZED)
50mA
V
R
, REVERSE VOLTAGE (VOLTS)
Figure 11. Capacitance
I
C
, COLLECTOR CURRENT (mA)
Figure 12. CurrentGain Bandwidth Product
C, CAP
ACIT
ANCE (pF)
f
T
, CURRENT GAIN BANDWIDTH PRODUCT T
C
ob
C
ib
T
J
= 25C
V
CE
= 5.0V
0.1 0.2 0.5
1.0 2.0
5.0
10 20
50 100
1.0
10
100
40
20
10
6.0
4.0
2.0
500
200
100
50
20
LBC856AWT1, BWT1 LBC857AWT1, BWT1, LBC858AWT1, BWT1, CWT1
LBC856
LESHAN RADIO COMPANY, LTD.
K65/6
LBC856AWT1, BWT1 LBC857AWT1, BWT1, LBC858AWT1, BWT1, CWT1
t, TIME (ms)
Figure 13. Thermal Response
V
CE
, COLLECTOREMITTER VOLTAGE (V)
Figure 14. Active Region Safe Operating Area
BONDING WIRE LIMIT
THERMAL LIMIT
SECOND BREAKDOWN LIMIT
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)
= 150C; T
C
or T
A
is variable depending upon conditions. Pulse curves are valid for
duty cycles to 10% provided T
J(pk)
< 150C. T
J(pk)
may be calcu-
lated 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 sec-
ondary breakdown.
BC558
BC557
BC556
Z
JC
(t) = r(t) R
JC
R
JC
= 83.3C/W MAX
Z
JA
(t) = r(t) R
JA
R
JA
= 200C/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)
I
C
, COLLECT
OR CURRENT (mA)
r( t), TRANSIENT THERMAL
RESIST
ANCE (NORMALIZED)
DUTY CYCLE, D = t
1
/t
2
t
1
t
2
P
(pk)
SINGLE PULSE
SINGLE PULSE
T
A
= 25C
T
J
= 25C
3 ms
1s
1.0
0.7
0.5
0.3
0.2
0.1
0.07
0.05
0.03
0.02
0.01
D=0.5
0.2
0.1
0.05
0.1
0.2
0.5
1.0
2.0
5.0
10
20
50
100
200
500
1.0k
2.0k
5.0k
10k
1.0
0.5
10
30 45 65 100
200
100
50
10
5.0
2.0
LESHAN RADIO COMPANY, LTD.
0.7
1.9
0.028
0.65
0.025
0.65
0.025
inches
mm
0.075
0.035
0.9
PIN 1. BASE
2. EMITTER
3. COLLECTOR
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
DIM MIN MAX MIN MAX
MILLIMETERS
INCHES
A 0.071 0.087 1.80 2.20
K 0.017 REF 0.425 REF
L 0.026 BSC 0.650 BSC
N 0.028 REF 0.700 REF
S
0.0
79
0.0
95
2.00
2.40
B 0.045 0.053 1.15 1.35
C 0.03
2
0.04
0
0.
8
0 1.
00
D 0.012 0.016 0.30 0.40
G 0.047 0.055 1.20 1.40
H 0.000 0.004 0.00 0.10
J 0.004 0.010 0.10 0.25
C
N
A
L
D
G
S
B
H
J
K
3
1
2
0.05 (0.002)
SC-70 / SOT-323
K66/6
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