
2SD667, 2SD667A
Silicon NPN Epitaxial
Application
• Low frequency power amplifier
• Complementary pair with 2SB647/A
Outline
TO-92MOD
1. Emitter
2. Collector
3. Base
3
2
1

2SD667, 2SD667A
Absolute Maximum Ratings (Ta = 25°C)
Item Symbol 2SD667 2SD667A 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
Junction temperature Tj 150 150 °C
Storage temperature Tstg –55 to +150 –50 to +150 °C
Electrical Characteristics (Ta = 25°C)
2SD667 2SD667A
Item Symbol Min Typ Max Min Typ Max Unit Test conditions
Collector to base
breakdown voltage
Collector to emitter
breakdown voltage
Emitter to base
breakdown voltage
Collector cutoff current I
DC current transfer ratio h
Collector to emitter
saturation voltage
Base to emitter voltage V
Gain bandwidth product f
Collector output
capacitance
Notes: 1. The 2SD667 and 2SD667A are grouped by h
2. Pulse test
BCD
2SD667 60 to 120 100 to 200 160 to 320
2SD667A 60 to 120 100 to 200
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
CBO
FE1
h
FE2
V
CE(sat)
BE
T
120 — — 120 — — V IC = 10 µA, IE = 0
80 — — 100 — — V IC = 1 mA, RBE = ∞
5——5 ——VIE = 10 µA, IC = 0
— — 10 — — 10 µAVCB = 100 V, IE = 0
1
*
60 — 320 60 — 200 VCE = 5 V,
30 — — 30 — — VCE = 5 V,
——1——1VIC = 500 mA,
— — 1.5 — — 1.5 V VCE = 5 V,
— 140 — — 140 — MHz VCE = 5 V,
Cob — 12 — — 12 — pF VCB = 10 V, IE = 0,
120 120 V
80 100 V
55V
11A
22A
0.9 0.9 W
I
= 150 mA*
C
I
= 500 mA*
C
I
= 50 mA*
B
I
= 150 mA*
C
I
= 150 mA*
C
2
2
2
2
2
f = 1 MHz
as follows.
FE1
2

2SD667, 2SD667A
Maximum Collector Dissipation Curve
1.2
(W)
C
0.8
0.4
Collector Power Dissipation P
0
50 100 150
Ambient Temperature Ta (°C)
Typical Transfer Characteristics
500
VCE = 5 V
200
100
(mA)
C
50
20
Ta = 75°C
10
5
Collector Current I
2
1
0 0.2 0.6 1.00.4 0.8
Base to Emitter Voltage V
25
–25
BE
(V)
1.0
35
30
Typical Output Characteristics
0.8
(A)
C
0.6
25
20
15
10
5
0.4
Collector Current I
0.2
P
C
= 0.9 W
2
1
0.5mA
I
B
02 6 1048
Collector to Emitter Voltage V
CE
(V)
DC Current Transfer Ratio
vs. Collector Current
300
VCE = 5 V
FE
250
200
150
Ta = 75°C
25
–25
100
50
DC Current Transfer Ratio h
0
1 10 100 1,0003 30 300
Collector Current I
(mA)
C
= 0
3

2SD667, 2SD667A
0.6
(V)
CE(sat)
0.5
1.2
(V)
1.0
BE(sat)
Saturation Voltage
vs. Collector Current
IC = 10 I
B
Pulse
0.4
0.3
0.2
0.1
Collector to Emitter Saturation Voltage V
0.8
0.6
0.4
0.2
0
0
Base to Emitter Saturation Voltage V
Gain Bandwidth Product
vs. Collector Current
240
VCE = 5 V
200
(MHz)
T
160
120
80
40
Gain Bandwidth Product f
0
10 30 100 300 1,000
Collector Current IC (mA)
V
BE(sat)
Ta = –25°C
25
75
75
V
CE(sat)
25
Ta = –25°C
1 10 100 1,0003 30 300
Collector Current IC (mA)
Collector Output Capacitance vs.
200
ob
100
f = 1 MHz
= 0
I
E
(pF)
50
20
10
5
Collector Output Capacitance C
2
1 5 20 10021050
Collector to Base Voltage V
Collector to Base Voltage
CB
(V)
4

Unit: mm
0.65 ± 0.1
0.75 Max
0.60 Max
0.5 ± 0.1
4.8 ± 0.3
0.7
8.0 ± 0.5
2.3 Max
10.1 Min
3.8 ± 0.3
0.5
1.27
2.54
Hitachi Code
JEDEC
EIAJ
Weight
(reference value)
TO-92 Mod
—
Conforms
0.35 g

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