Document
BC856A/B, BC857A/B/C, BC858A/B/C
200mW, PNP Small Signal Transistor
Small Signal Product
Features
◇ Epitaxial planar die construction ◇ Surface device type mounting ◇ Moisture sensitivity level 1 ◇ Matte Tin(Sn) lead finish with Nickel(Ni) underplate ◇ Pb free version and RoHS compliant ◇ Green compound (Halogen free) with suffix "G" on
packing code and prefix "G" on date code
SOT-23
Mechanical Data
◇ Case : SOT- 23 small outline plastic package ◇ Terminal : Matte tin plated, lead free, solderable
per MIL-STD-202, method 208 guaranteed ◇ High temperature soldering guaranteed : 260°C/10s ◇ Weight : 0.008 grams (approximately)
Maximum Ratings and Electrical Characteristics
Rating at 25°C ambient temperature unless otherwise specified.
Maximum Ratings
Parameter
Symbol
Power Dissipation
PD
BC856
Collector-Base Voltage
BC857
VCBO
BC858
BC856
Collector-Emitter Voltage
BC857
VCEO
BC858
Emitter-Base Voltage
VEBO
Collector Current
IC
Junction and Storage Temperature Range
TJ , TSTG
Notes : 1. Valid provided that electrodes are kept at ambient temperature
Value 200 -80 -50 -30 -65 -45 -30 -5 -0.1
-55 to + 150
Units mW
V
V
V A °C
Version : F14
Small Signal Product
Electrical Characteristics ( TA= 25oC unless otherwise noted )
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage Emitter-Base Breakdown Voltage Collector Cut-off Current Emitter Cut-off Current DC Current Gain Collector-Emitter Saturation Voltage Base-Emitter Saturation Voltage Transition Frequency
Parameter
BC856 BC857 BC858 BC856 BC857 BC858
BC856 BC857 BC858
BC856A, BC857A, BC858A BC856B, BC857B, BC858B BC857C, BC858C
VCE= -5V
IC= -10μA
IE= 0
IC= -10mA
IB= 0
IE= -1μA VCB= -70V VCB= -45V VCB= -25V VEB= -5V
IC= 0 IE= 0 IC=0
VCE= -5V
IC= -2mA
IC= -100mA IC= -100mA IC= -10mA
IB= -5mA IB= -5mA f= 100MHz
Symbol V(BR)CBO
V(BR)CEO V(BR)EBO
ICBO IEBO hFE VCE(sat) VBE(sat)
fT
Min -80 -50 -30 -65 -45 -30 -5
125 220 420 100
Max Units -V
-
-100 -100 -100 -0.1 250 475 800 -0.65 -1.1
-
V V nA μA
V V MHz
Version : F14
Small Signal Product
IC[mA], Collector Current
RATINGS AND CHARACTERISTIC CURVES
Fig. 1 Static Characteristic
50
45 IB = -400μA 40 IB = -350μA 35 IB = -300μA 30 IB = -250μA 25 IB =- 200μA
20 IB = -150μA 15 10 IB = -100μA
5 IB = -50μA 0
0 2 4 6 8 10 12 14 16 18 20
VCE[V], Collector-Emitter Voltage
hFE, DC Current Gain
1000 100
Fig. 2 DC Current Gain VCE = - 5V
10 -0.1
-1.0 -10.0 IC[mA], Collector Current
-100.0
Fig.3 Base-Emitter Saturation Voltage VS.Collector-Emitter Saturation
10 IC = 10 IB
1 VBE(sat)
-100. -10.
Fig. 4 Base-Emitter On Voltage VCE = - 5V
VCE(sat) 0.1
-1.
IC[mA], Collector Current
VBE(sat), VCE(sat)[V], Saturation Voltage
Cob[pF], Capacitance
0.01 0.1
1 10 IC[mA], Collector Current
100
Fig.5 Collector Output Capacitance 100
f=1MHz IE=0
10
1 -1.
-10. -100. VCB[V], Collector-Base Voltage
-1000.
fT[MHz], Current Gain-Bandwidth Product
-0. -0.0 -0.2 -0.4 -0.6 -0.8 -1.0 -1.2
VBE[V], Base-Emitter Voltage
1000
Fig. 6 Current Gain Bandwidth Product f=1MHz IE=0
100
10
1 -0.
-1. -10. IC[mA], Collector Current
-100.
Version : F14
Small Signal Product
RATINGS AND CHARACTERISTIC CURVES
500 hFE 450
400 350 300 250 200 150 100
50 0 0.01
Fig. 7 DC Current Gain as a Function of Collector Current; Typical Values hFE - IC BC857A: VCE=5V
Ta=150OC
Ta=25OC Ta=55OC
0.1 1
10 100 1000 -IC(mA)
1200 VBE1000
800
Fig. 8 Base-Emitter Voltage as a Function of Collector Current; Typical Values VBE - IC
BC857A: VCE=-5V
Ta=55OC
600 Ta=25OC
400
200 Ta=150OC
0 0.01
0.1
1
10 100 1000 -IC(mA)
Version : F14
Small Signal Product Ordering information (Detail, example)
Part No.
Package
Packing
Packing code
BC85xx (Note 1)
SOT-23
3K / 7 " Reel
RF
BC856A
SOT-23
3K / 7 " Reel
RF
Note 1 : "xx" is Device Code from "6A" thru "8C".
Note 2 : Manufacture special control, if empty means no special control requirement.
Tape & Reel specification
Packing code (Green)
RFG
RFG
Manufacture code (Note 2)
Item Carrier width
Carrier length
Carrier depth
Sprocket hole Reel outside diameter
Reel inner diameter
Feed hole width Sprocket hole position Punch hole position Sprocket hole pitch Embossment center Overall tape thickness Tape width Reel width
Symbol A
B
C
d D
D1
D2 E F P0 P1 T W W1
Dimension 3.15 ±0.10
2.77 ±0.10
1.22 ±0.10
1.50 ± 0.10 178 ± 1
55 Min
13.0 ± 0.20 1.75 ±0.10 3.50 ±0.05 4.00 ±0.10 2.00 ±0.05 0.229 ±0.013 8.10 ±0.20 12.30 ±0.20
Version : F14
Small Signal Product
Dimensions
Suggested PAD Layout
Marking
Part No. BC856A BC856B BC857A BC857B BC857C BC858A
BC858B BC858C
Marking 3A 3B 3E 3F 3G 3J
3K 3L
DIM.
A B C D E F G H
Unit(mm)
Min Max
2.70 3.10
1.10 1.50 0.30 0.51 1.78 2.04 2.20 2.60 0.90 1.30
0.550 REF 0.1 REF
Unit(inch)
Min Max
0.106
0.122
0.043
0.059
0.012
0.020
0.070
0.080
0.087
0.102
0.035
0.051
0.022 REF
0.004 REF
DIM.
A B C D
Unit(mm)
Typ. 0.95 2.0 0.9 0.8
Unit(inch)
Typ. 0.037 0.079 0.035 0.031
Version : F14
.