2SB857, 2SB858
Typical Output Characteristics
–5
0W
=4
P
c
Typical Transfer Characteristics
–5
V
CE
= –4 V
–2
Collector current I
C
(A)
–1.0
–0.5
–0.2
–0.1
–0.05
–0.02
–0.01
0 –0.2 –0.4 –0.6 –0.8 –1.0 –1.2 –1.4
Base to emitter voltage V
BE
(V)
T
C
= 25°C
Collector Current I
C
(A)
–4
–70
–60
–50
–3
–40
–30
–2
–20
–10 mA
I
B
= 0
–2
–4
–6
–8
–10
Collector to emitter Voltage V
CE
(V)
0
DC Current Transfer Ratio vs.
Collector Current
Collector to emitter saturation voltage
V
CE (sat)
(V)
1,000
DC current transfer ratio h
FE
500
200
100
50
20
10
5
–0.01–0.02 –0.05–0.1 –0.2 –0.5 –1.0 –2
Collector current I
C
(A)
–4
T
C
= 75°C
25
–25
V
CE
= –4 V
–1.4
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
Collector to Emitter Saturation
Voltage vs. Collector Current
I
C
= 10 I
B
T
C
= 75°C
25
–25
0
–0.01–0.02 –0.05 –0.1 –0.2 –0.5 –1.0 –2
Collector current I
C
(A)
25
–25
–1
T
C
= 75
°
C
–5
3
Cautions
1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent,
copyright, trademark, or other intellectual property rights for information contained in this document.
Hitachi bears no responsibility for problems that may arise with third party’s rights, including
intellectual property rights, in connection with use of the information contained in this document.
2. Products and product specifications may be subject to change without notice. Confirm that you have
received the latest product standards or specifications before final design, purchase or use.
3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However,
contact Hitachi’s sales office before using the product in an application that demands especially high
quality and reliability or where its failure or malfunction may directly threaten human life or cause risk
of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,
traffic, safety equipment or medical equipment for life support.
4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly
for maximum rating, operating supply voltage range, heat radiation characteristics, installation
conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used
beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable
failure rates or failure modes in semiconductor devices and employ systemic measures such as fail-
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consequential damage due to operation of the Hitachi product.
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products.
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