HITACHI 2SC4877 User Manual
2SC4877
Silicon NPN Triple Diffused
Application
TV / character display horizontal deflection output
Features
• High breakdown voltage
V
= 1500 V
CES
• Built–in damper diode type
• Isolated package
TO-3PFM
TO–3PFM
1. Base
2. Collector
3. Emitter
1
2
3
2
1
3
Absolute Maximum Ratings (Ta = 25°C)
Item Symbol Rating Unit
———————————————————————————————————————————
Collector to emitter voltage V
CES
———————————————————————————————————————————
Emitter to base voltage V
EBO
———————————————————————————————————————————
Collector current I
C
———————————————————————————————————————————
Collector surge current ic(surge) 20 A
———————————————————————————————————————————
Collector power dissipation P
*1
C
———————————————————————————————————————————
Junction temperature T
j
———————————————————————————————————————————
Storage temperature Tstg –55 to +150 °C
———————————————————————————————————————————
C to E diode forward current I
D
———————————————————————————————————————————
Note: 1. Value at TC= 25°C.
1500 V
6V
8A
50 W
150 °C
8A
80
60
40
20
0
Collector Power Dissipation Pc (W)
50 100 150 200
Case Temperature Tc (°C)
20
16
12
8
4
400
800 1200 1600 2000
Collector Current I (A)
C
Collector to Emitter Voltage V (V)
CE
0
(100 V, 20 A)
(800 V, 4 A)
0.5 mA
f = 15.75 kHz
Ta = 25 °C
For picture tube arcing
2SC4877
Electrical Characteristics (Ta = 25°C)
Item Symbol Min Typ Max Unit Test Conditions
———————————————————————————————————————————
Emitter to base breakdown V
voltage
(BR)EBO
———————————————————————————————————————————
Collector cutoff current I
CES
———————————————————————————————————————————
DC current transfer ratio h
FE
———————————————————————————————————————————
Collector to emitter saturation V
voltage
CE(sat)
———————————————————————————————————————————
Base to emitter saturation V
voltage
BE(sat)
———————————————————————————————————————————
C to E diode forward voltage V
ECF
———————————————————————————————————————————
Fall time t
f
———————————————————————————————————————————
6 ——VIE= 400 mA, IC= 0
— — 500 µA VCE= 1500 V, RBE= 0
——25—VCE= 5 V, IC= 1 A
——5 VIC= 7 A, IB= 1.4 A
— — 1.5 V IC= 7 A, IB= 1.4 A
— — 3.0 V IF= 8 A
— — 0.5 µs ICP= 7 A, IB1= 1.4 A
I
≈ –2.5 A, fH = 31.5 kHz
B2
Maximum Collector Power Dissipation Curve
Area of Safe Operation
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