2N2857CSM datasheet(1/2 Pages) SEME-LAB

Part #	2N2857CSM

Description	HIGH FREQUENCY NPN TRANSISTOR IN A HERMETICALLY SEALED CERAMIC SURFACE MOUNT PACKAGE FOR HIGH RELIABILITY APPLICATIONS

PDF	2 Pages

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Manufacturer	SEME-LAB [Seme LAB]

Direct Link	http://www.semelab.co.uk

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1 / 2 page

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.

VCBO

Collector – Base Voltage

VCEO

Collector – Emitter Voltage

VEBO

Emitter – Base Voltage

IC

Collector Current

PD

Total Device Dissipation

@ TA =25°C

Derate above 25°C

PD

Total Device Dissipation

@ TC =25°C

Derate above 25°C

TSTG , TJ

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 (TA = 25°C unless otherwise stated)

PAD 1 – Base

Underside View

PAD 2 – Emitter

PAD 3 – Collector

21

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)

1.02 ± 0.10

(0.04 ± 0.004)

1.40

(0.055)

max.

A

0.31

(0.012)

rad.

A =

3

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