
2SB861
Silicon PNP Triple Diffused
Application
Low frequency power amplifier color TV vertical deflection output complementary pair with 2SD1138
Outline
TO-220AB
1. Base
2. Collector
1
2
3
(Flange)
3. Emitter
Absolute Maximum Ratings (Ta = 25°C)
Item Symbol Rating Unit
Collector to base voltage V
Collector to emitter voltage V
Emitter to base voltage V
Collector current I
Collector peak current I
Collector power dissipation P
CBO
CEO
EBO
C
C(peak)
C
PC*
1
Junction temperature Tj 150 °C
Storage temperature Tstg –45 to +150 °C
Note: 1. Value at TC = 25°C
–200 V
–150 V
–6 V
–2 A
–5 A
1.8 W
30 W

2SB861
Electrical Characteristics (Ta = 25°C)
Item Symbol Min Typ Max Unit Test conditions
Collector to emitter breakdown
V
(BR)CBO
voltage
Emitter to base breakdown
V
(BR)EBO
voltage
Collector cutoff current I
DC current transfer ratio h
Collector to emitter saturation
h
V
CBO
FE1
FE2
CE(sat)
voltage
Base to emitter voltage V
BE
Collector output capacitance Cob — 30 — pF VCB = –100 V, IE = 0,
Notes: 1. The 2SB861 is grouped by h
2. Pulse test
BC
60 to 120 100 to 200
–150 — — V IC = –50 mA, RBE = ∞
–6 — — V IE = –5 mA, IC = 0
——–1µAVCB = –120 V, IE = 0
1
*
60 — 200 VCE = –4 V, IC = –50 mA
60 — — VCE = –10 V, IC = –500 mA*
——–3V I
= –500 mA, IB = –50 mA
C
——–1V VCE = –4 V, IC = –50 mA
f = 1 MHz
as follows.
FE1
2
Maximum Collector Dissipation Curve
40
30
20
T
C
10
Collector power dissipation Pc (W)
0
1.8 W
50
Ta
100
Ambient temperature Ta (°C)
Case temperature T
150
(°C)
C
200
Area of Safe Operation
–10
–5
IC
(Continuous)
(A)
C
–2
(–15 V, –2 A)
(max)
DC Operation (T
–1.0
–0.5
C
= 25°C)
(–60 V, –0.4 A)
–0.2
Collector Current I
–0.1
(–150 V, –65 mA)
–0.05
–2 –5 –10 –20 –50 –100–200
Collector to emitter Voltage V
CE
(V)
2

2SB861
Typical Output Characteristics
–1.0
–0.8
(A)
C
–0.6
TC = 25°C
–8
–7
–6
–5
–4
–3
–0.4
–2
Collector Current I
–0.2
–1 mA
IB = 0
0 –4 –8 –12 –16 –20
Collector to emitter Voltage V
DC Current Transfer Ratio vs.
Collector Current
500
V
= –4 V
FE
CE
200
100
TC = 75°C
25
–25
50
20
CE
(V)
Typical Transfer Characteristics
–1,000
VCE = –4 V
–500
(mA)
C
TC = 75°C
–200
25 –25
–100
–50
–20
Collector current I
–10
–5
–0.4 –0.5 –0.6 –0.7 –0.8 –0.9 –1.0
Base to emitter voltage V
Collector to Emitter Saturation
Voltage vs. Collector Current
–10
IC = 10 I
B
–5
–2
(V)
–1.0
CE (sat)
V
–0.5
TC = 75°C
–25
BE
(V)
25
DC current transfer ratio h
10
5
–10 –20 –50 –100 –200 –500–1,000
Collector current IC (mA)
–0.2
Collector to emitter saturation voltage
–0.1
–10 –20 –50 –100 –200 –500–1,000
Collector current I
C
(mA)
3

11.5 MAX
Unit: mm
2.79 ± 0.218.5 ± 0.57.8 ± 0.5
1.27
2.54 ± 0.5
10.16 ± 0.2
9.5
8.0
φ 3.6
-0.08
1.5 MAX
0.76 ± 0.1
2.54 ± 0.5
+0.2
6.4
–0.1
+0.1
4.44 ± 0.2
1.26 ± 0.15
2.7 MAX
14.0 ± 0.5 15.0 ± 0.3
0.5 ± 0.1
Hitachi Code
JEDEC
EIAJ
Weight
(reference value)
TO-220AB
Conforms
Conforms
1.8 g

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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 failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other
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