
2SA1337
Silicon PNP Epitaxial
Application
• Low frequency low noise amplifier
• HF amplefier
Outline
1. Emitter
2. Collector
3. Base
SPAK
1
2
3

2SA1337
2
Absolute Maximum Ratings (Ta = 25°C)
Item Symbol Ratings Unit
Collector to base voltage V
CBO
–55 V
Collector to emitter voltage V
CEO
–50 V
Emitter to base voltage V
EBO
–5 V
Collector current I
C
–100 mA
Collector power dissipation P
C
300 mW
Junction temperature Tj 150 °C
Storage temperature Tstg –55 to +150 °C
Electrical Characteristics (Ta = 25°C)
Item Symbol Min Typ Max Unit Test conditions
Collector to base breakdown
voltage
V
(BR)CBO
–55 — — V I
C
= –10 µA, I
E
= 0
Collector to emitter breakdown
voltage
V
(BR)CEO
–50 — — V I
C
= –1 mA, R
BE
= ∞
Emitter to base breakdown
voltage
V
(BR)EBO
–5 — — V I
E
= –10 µA, I
C
= 0
Collector cutoff current I
CBO
— — –0.5 µAV
CB
= –18 V, I
E
= 0
Emitter cutoff current I
EBO
— — –0.5 µAV
EB
= –2 V, I
C
= 0
DC current transfer ratio h
FE
*
1
100 — 320 V
CE
= –12 V, I
C
= –2 mA
Base to emitter voltage V
BE
— — –0.75 V V
CE
= –12 V, I
C
= –2 mA
Collector to emitter saturation
voltage
V
CE(sat)
— — –0.2 V I
C
= –10 mA, I
B
= –1 mA
Gain bandwidth product f
T
— 200 — MHz V
CE
= –12 V, I
C
= –2 mA
Collector output capacitance Cob — — 4.5 pF V
CB
= –10 V, I
E
= 0, f = 1 MHz
Noise figure NF — 1.0 5.0 dB V
CE
= –6 V, I
C
= –0.1 mA,
R
g
= 1 kΩ, f = 1 kHz
Note: 1. The 2SA1337 is grouped by h
FE
as follows.
BC
100 to 200 160 to 320
See characteristic curves of 2SA1031.