Application
TV / character display horizontal deflection output
Features
High speed switching
t
f
0.6 s
High breakdown voltage
V
CBO
= 1700 V
Isolated package
TO3PFM
Absolute Maximum Ratings (Ta = 25C)
Item
Symbol
Rating
Unit
--------------------------------------------------------------------------------------
Collector to base voltage
V
CBO
1700
V
--------------------------------------------------------------------------------------
Collector to emitter voltage
V
CEO
900
V
--------------------------------------------------------------------------------------
Emitter to base voltage
V
EBO
6
V
--------------------------------------------------------------------------------------
Collector current
I
C
8
A
--------------------------------------------------------------------------------------
Collector surge current
ic(surge)
20
A
--------------------------------------------------------------------------------------
Collector power dissipation
P
C
*1
50
W
--------------------------------------------------------------------------------------
Junction temperature
T
j
150
C
--------------------------------------------------------------------------------------
Storage temperature
Tstg
55 to +150
C
--------------------------------------------------------------------------------------
Note: 1. Value at T
C
= 25C.
TO3PFM
1. Base
2. Collector
3. Emitter
1
2
3
2SC4797
Silicon NPN Triple Diffused
Electrical Characteristics (Ta = 25C)
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
--------------------------------------------------------------------------------------
Collector to emitter breakdown V
(BR)CEO
900
--
--
V
I
C
= 10 mA, R
BE
=
voltage
--------------------------------------------------------------------------------------
Emitter to base breakdown
V
(BR)EBO
6
--
--
V
I
E
= 10 mA, I
C
= 0
voltage
--------------------------------------------------------------------------------------
Collector cutoff current
I
CES
--
--
500
A
V
CE
= 1700 V, R
BE
= 0
--------------------------------------------------------------------------------------
DC current transfer ratio
h
FE
--
--
35
V
CE
= 5 V, I
C
= 1A
--------------------------------------------------------------------------------------
Collector to emitter saturation
V
CE(sat)
--
--
5
V
I
C
= 7 A, I
B
= 1.4 A
voltage
--------------------------------------------------------------------------------------
Base to emitter saturation
V
BE(sat)
--
--
1.5
V
I
C
= 7 A, I
B
= 1.4 A
voltage
--------------------------------------------------------------------------------------
Fall time
t
f
--
--
0.6
s
I
CP
= 7 A, I
B1
= 1.4 A
I
B2
= 2.5 A, f
H
= 31.5 kHz
--------------------------------------------------------------------------------------
Maximum Collector Power Dissipation Curve
80
60
40
20
0
Collector Power Dissipation Pc (W)
50
100
150
200
Case Temperature Tc (C)
Maximum Safe Operation Area
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)
(900 V, 3 A)
0.5 mA
f = 15.75 kHz
Ta = 25 C
For picture tube arcing
2SC4797
Typical Output Characteristics
10
5
0
5
10
Collector to Emitter Voltage V (V)
CE
Collector Current I (A)
C
1.8 A
2 A
0.2 A
1.6 A
1.4 A
1.2 A
1 A
0.8 A
0.6 A
0.4 A
Pc = 50 W
I = 0
B
Tc = 25 C
DC Current Transfer Ratio
vs. Collector Current
100
50
20
10
5
2
1
DC Current Transfer Ratio h
FE
0.1
0.2
0.5
1
2
5
10
Collector Current I (A)
C
V = 5 V
CE
75 C
Tc = 25 C
25 C
Collector to Emitter Saturation Voltage
vs. Collector Current
10
5
2
1
0.5
0.2
0.1
0.05
Collector to Emitter Saturation Voltage
V (V)
CE (sat)
0.1
0.2
0.5
1
2
5
10
Collector Current I (A)
C
I / I = 5
C B
25 C
Tc = 25C
75 C
Base to Emitter Saturation Voltage
vs. Collector Current
10
5
2
1
0.5
0.2
0.1
0.2
0.5
1
2
5
10
Collector Current I (A)
C
Base to Emitter Saturation Voltage
V (V)
BE(sat)
I / I = 5
C B
75 C
25 C
Tc = 25C
2SC4797
Collector to Emitter Saturation Voltage
vs. Base Current
10
8
6
4
2
0
0.1
0.2
0.5
1
2
5
10
Base Current I (A)
B
Collector to Emitter Saturation Voltage
V (V)
CE(sat)
I = 4 A
C
6 A
8 A
2SC4797
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