LAB
MECHANICAL DATA
Dimensions in mm (inches)
SEME
2N3439DCSM
2N3440DCSM
HIGH VOLTAGE, MEDIUM POWER, NPN
DUAL TRANSISTOR IN A
HERMETICALLY SEALED
CERAMIC SURFACE MOUNT PACKAGE
FOR HIGH RELIABILITY APPLICATIONS
FEATURES
1.40 鹵 0.15
(0.055 鹵 0.006)
0.64 鹵 0.08
(0.025 鹵 0.003)
2.29 鹵 0.20
(0.09 鹵 0.008)
1.65 鹵 0.13
(0.065 鹵 0.005)
鈥?DUAL SILICON PLANAR EPITAXIAL NPN
TRANSISTOR
4.32 鹵 0.13
(0.170 鹵 0.005)
2.54 鹵 0.13
(0.10 鹵 0.005)
2
1
3
4
5
鈥?HERMETIC CERAMIC SURFACE MOUNT
PACKAGE
鈥?CECC SCREENING OPTIONS
鈥?SPACE QUALITY LEVELS OPTIONS
鈥?HIGH VOLTAGE
A
6
0.23
rad.
(0.009)
A = 1.27 鹵 0.13
(0.05 鹵 0.005)
6.22 鹵 0.13
(0.245 鹵 0.005)
LCC2 PACKAGE
Underside View
PAD 1 鈥?Collector 1
PAD 2 鈥?Base 1
PAD 3 鈥?Base 2
PAD 4 鈥?Collector 2
PAD 5 鈥?Emitter 2
PAD 6 鈥?Emitter 1
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.
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25擄C unless otherwise stated)
V
CBO
V
CEO
V
EBO
I
C
P
D
P
D
P
D
R
ja
T
stg
Semelab plc.
Collector 鈥?Base Voltage
Collector 鈥?Emitter Voltage (I
B
= 0)
Emitter 鈥?Base Voltage (I
B
= 0)
Collector Current
Per Device Dissipation
Total Device Dissipation
Derate above 25擄C (Per Device)
(Total)
Thermal Resistance Junction to Ambient
Storage Temperature
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
2N3439
450V
350V
7V
500mA
350mW
525mW
2mW / 擄C
3mW /擄C
240擄C/W
鈥?5 to 200擄C
2N3440
300V
250V
7V
500mA
350mW
525mW
2mW / 擄C
3mW /擄C
240擄C/W
鈥?5 to 200擄C
Prelim. 2/98
1
2
