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參數資料
| 型號： | 2N2857 |
| 廠商： | SEMELAB LTD |
| 元件分類： | 小信號晶體管 |
| 英文描述： | NPN TRANSISTOR |
| 中文描述： | UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-72 |
| 封裝： | METAL, TO-72, 4 PIN |
| 文件頁數： | 1/2頁 |
| 文件大小： | 19K |
| 代理商： | 2N2857 |
2N2857CSM
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 7/95
LAB
SEME
HIGH FREQUENCY
NPN TRANSISTOR IN A
HERMETICALLY SEALED
CERAMIC SURFACE MOUNT PACKAGE
FOR HIGH RELIABILITY APPLICATIONS
FEATURES
SILICON NPN TRANSISTOR
HERMETIC CERAMIC SURFACE MOUNT
PACKAGE (SOT23 COMPATIBLE)
CECC SCREENING OPTIONS
APPLICATIONS:
Hermetically sealed surface mount version
of the popular 2N2857 for high reliability
applications requiring small size and low
weight devices.
V
CBO
V
CEO
V
EBO
I
C
P
D
Collector – Base Voltage
Collector – Emitter Voltage
Emitter – Base Voltage
Collector Current
Total Device Dissipation
@ T
A
=25°C
Derate above 25°C
@ T
C
=25°C
Derate above 25°C
P
D
Total Device Dissipation
T
STG
, T
J
Operating and Storage Temperature Range
30V
15V
2.5V
40mA
200mW
1.14mW / °C
300mW
1.72mW / °C
–65 to +200°C
MECHANICAL DATA
Dimensions in mm (inches)
SOT23 CERAMIC
(LCC1 PACKAGE)
ABSOLUTE MAXIMUM RATINGS
(T
A
= 25°C unless otherwise stated)
PAD 1 – Base
Underside View
PAD 2 – Emitter
PAD 3 – Collector
2
1
0.51 ± 0.10
(0.02 ± 0.004)
0.31
(0.012)
1.91 ± 0.10
(0.075 ± 0.004)
3.05 ± 0.13
(0.12 ± 0.005)
2
(
0
(
1.02 ± 0.10
(0.04 ± 0.004)
1.40
(0.055)
max.
A
(0.31
rad.
A =
3
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