2N3439DCSM
2N3440DCSM
HIGH VOLTAGE, MEDIUM POWER, NPN
DUAL TRANSISTOR IN A
HERMETICALLY SEALED
CERAMIC SURFACE MOUNT PACKAGE
FOR HIGH RELIABILITY APPLICATIONS
MECHANICAL DATA
Dimensions in mm (inches)
FEATURES
1.40 ± 0.15
(0.055 ± 0.006)
2.29 ± 0.20
(0.09 ± 0.008)
1.65 ± 0.13
(0.065 ± 0.005)
• DUAL SILICON PLANAR EPITAXIAL NPN
TRANSISTOR
2
1
6
3
4
• HERMETIC CERAMIC SURFACE MOUNT
PACKAGE
A
0.23
(0.009)
5
• CECC SCREENING OPTIONS
rad.
• SPACE QUALITY LEVELS OPTIONS
1.27 ± 0.13
(0.05 ± 0.005)
A =
6.22 ± 0.13
(0.245 ± 0.005)
• HIGH VOLTAGE
LCC2 PACKAGE
Underside View
APPLICATIONS:
Dual Hermetically sealed surface mount ver-
sion of the popular 2N3439 and 2N3440 for
high reliability / space applications requiring
small size and low weight devices.
PAD 1 – Collector 1
PAD 2 – Base 1
PAD 3 – Base 2
PAD 4 – Collector 2
PAD 5 – Emitter 2
PAD 6 – Emitter 1
ABSOLUTE MAXIMUM RATINGS
(T
= 25°C unless otherwise stated)
case
2N3439
2N3440
V
V
V
Collector – Base Voltage
Collector – Emitter Voltage (I = 0)
450V
350V
300V
250V
CBO
CEO
EBO
B
Emitter – Base Voltage (I = 0)
7V
7V
B
I
Collector Current
500mA
500mA
C
P
P
P
Per Device Dissipation
Total Device Dissipation
Derate above 25°C (Per Device)
(Total)
350mW
525mW
2mW / °C
3mW /°C
240°C/W
–55 to 200°C
350mW
525mW
2mW / °C
3mW /°C
240°C/W
–55 to 200°C
D
D
D
R
Thermal Resistance Junction to Ambient
Storage Temperature
ja
T
stg
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is
believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in
its use. Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Document Number 6584
Issue 1
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk