2N3439CSM4R

2N3440CSM4R

Prelim. 11/98

Website http://www.semelab.co.uk

HIGH VOLTAGE, MEDIUM POWER, NPN

TRANSISTOR IN A

HERMETICALLY SEALED

CERAMIC SURFACE MOUNT PACKAGE

FOR HIGH RELIABILITY APPLICATIONS

FEATURES

• Hermetic Ceramic 4 pin Surface Mount

Package - LCC3

• High Voltage Small Signal Type

• Full Screening Options Available

• “R” Denotes Reverse Pinning

APPLICATIONS:

The 2N3439CSM4 and 2N3440CSM4 are high

voltage silicon epitaxial planar transistors mounted

in the popular 4 pin ceramic surface mount

hermetically sealed package. These products are

specifically intended for use in High reliability

systems and can be ordered with a full range of

screening options from standard Militar y

(equivalent to CECC Full Assessment Level)

through all options up to full space flight level.

Collector Current.

Base Current.

mounted on a suitable PCB to provide a heat path.

Storage Temperature.

Maximum Junction Temperature.

450V

350V

7V

1A

0.5A

0.5W

300V

250V

7V

1A

0.5A

0.5W

MECHANICAL DATA

Dimensions in mm (inches)

ABSOLUTE MAXIMUM RATINGS

LCC3 PACKAGE

Underside View

PAD 1 – Collector

PAD 2 – Emitter

PAD 3 – N/C

PAD 4 – Base

1

2

3

4

5.59 ± 0.13

(0.22 ± 0.005)

0.23

(0.009)

rad.

1.02 ± 0.20

(0.04 ± 0.008)

2.03 ± 0.20

(0.08 ± 0.008)

1.40 ± 0.15

(0.055 ± 0.006)

0.25 ± 0.03

(0.01 ± 0.001)

0.23

(0.009)

min.

2N3439CSM4 2N3440CSM4

–65 to +200°C

+200°C