Transistors
2SB0643, 2SB0644 (2SB643, 2SB644)
Silicon PNP epitaxial planar type
For low-frequency general amplification
Unit: mm
2.5±0.1
(1.0)
(1.5)
R 0.9
Unit
−30
V
(0.85)
−60
2SB0644
Collector-emitter voltage 2SB0643
(Base open)
2SB0644
VCEO
Emitter-base voltage (Collector open)
VEBO
2.4±0.2
Rating
VCBO
0.45±0.05
0.55±0.1
−25
1.25±0.05
Collector-base voltage
(Emitter open)
Symbol
2SB0643
1.0±0.1
Parameter
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■ Absolute Maximum Ratings Ta = 25°C
V
−50
Collector current
IC
Peak collector current
ICP
Collector power dissipation
PC
Junction temperature
Tj
Storage temperature
Tstg
4.1±0.2
2.0±0.2
R 0.7
4.5±0.1
3.5±0.1
• M type package allowing easy automatic and manual insertion as
well as stand-alone fixing to the printed circuit board.
(1.0)
(1.5)
M
Di ain
sc te
on na
tin nc
ue e/
d
(0.4)
6.9±0.1
■ Features
−7
V
− 0.5
A
−1
1: Base
2: Collector
3: Emitter
M-A1 Package
°C
−55 to +150
1
(2.5)
mW
150
2
(2.5)
A
600
3
°C
■ Electrical Characteristics Ta = 25°C ± 3°C
Parameter
Symbol
2SB0643
Conditions
IC = −10 µA, IE = 0
Min
Typ
Max
−30
Unit
V
2SB0643
VCEO
IC = −2 mA, IB = 0
Emitter-base voltage (Collector open)
VEBO
IE = −10 µA, IC = 0
Collector-base cutoff current (Emitter open)
ICBO
VCB = −20 V, IE = 0
− 0.1
µA
Collector-Emitter cutoff current (Base open)
ICEO
VCE = −20 V, IB = 0
−1
µA
340
2SB0644
en
an
Collector-emitter voltage
(Base open)
ce
/D
isc
on
tin
2SB0644
ue
Collector-base voltage
(Emitter open)
VCBO
−60
−25
−50
−7
int
40
*1
Transition frequency
VCE(sat)
IC = −300 mA, IB = −30 mA
*2
VCB = −10 V, IE = 10 mA, f = 200 MHz
fT
Collector output capacitance
(Common base, input open circuited)
V
85
VCE = −10 V, IC = −500 mA
hFE1
Ma
Collector-emitter saturation voltage
VCE = −10 V, IC = −10 mA
hFE2
Forward current transfer ratio
*1
V
VCB = −10 V, IE = 0, f = 1 MHz
Cob
90
− 0.35
− 0.6
200
6
V
MHz
15
pF
Note) 1. Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7030 measuring methods for transistors.
2. *1: Pulse measurement
*2: Rank classification
Rank
Q
R
S
hFE1
85 to 170
120 to 240
170 to 340
Note) The part numbers in the parenthesis show conventional part number.
Publication date: January 2003
SJC00046CED
1
