LAB
MECHANICAL DATA
Dimensions in mm (inches)
SEME
2N3439CSM4
2N3440CSM4
HIGH VOLTAGE, MEDIUM POWER, NPN
TRANSISTOR IN A
HERMETICALLY SEALED
CERAMIC SURFACE MOUNT PACKAGE
FOR HIGH RELIABILITY APPLICATIONS
FEATURES
1.40 鹵 0.15
(0.055 鹵 0.006)
0.25 鹵 0.03
(0.01 鹵 0.001)
5.59 鹵 0.13
(0.22 鹵 0.005)
鈥?SILICON PLANAR EPITAXIAL NPN
TRANSISTOR
鈥?HERMETIC CERAMIC SURFACE MOUNT
PACKAGE
0.23 min.
(0.009)
0.64 鹵 0.08
(0.025 鹵 0.003)
0.23 rad.
(0.009)
3
2
1.27 鹵 0.05
(0.05 鹵 0.002)
3.81 鹵 0.13
(0.15 鹵 0.005)
4
1
鈥?CECC SCREENING OPTIONS
鈥?SPACE QUALITY LEVELS OPTIONS
鈥?HIGH VOLTAGE
1.02 鹵 0.20
(0.04 鹵 0.008)
2.03 鹵 0.20
(0.08 鹵 0.008)
LCC3 PACKAGE
Underside View
PAD 1 鈥?Collector
PAD 2 鈥?N/C
PAD 3 鈥?Emitter
PAD 4 鈥?Base
APPLICATIONS:
Hermetically sealed surface mount version of
the popular 2N3439 & 2N3440 for high
reliability / space applications requiring small
size and low weight devices.
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25擄C unless otherwise stated)
V
CBO
V
CEO
V
EBO
I
C
P
D
P
D
R
ja
T
stg
Collector 鈥?Base Voltage
Collector 鈥?Emitter Voltage (I
B
= 0)
Emitter 鈥?Base Voltage (I
B
= 0)
Collector Current
Total Device Dissipation
Derate above 50擄C
Thermal Resistance Junction to Ambient
Storage Temperature
2N3439
450V
350V
2N3440
300V
250V
7V
500mA
350mW
2.0mW / 擄C
350擄C/W
鈥?5 to 200擄C
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.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Document Number 2703
Issue 1
1
2
