®
1/6
SM2T
TRANSIL™
REV. 3
K
A
STmite
(JEDEC DO-216AA)
January 2005
FEATURES
■ High Peak pulse power:
200 W (10/1000 µs )
1000 W ( 8/20 µs)
■ Stand-off voltage range 5 to 24V
■ Unidirectional types
■ Low clamping factor V
CL
/V
BR
■ Fast response time
■ 1.0mm overall component height
DESCRIPTION
The SM2T series are Transil diodes designed spe-
cifically for portable equipment and miniaturized
electronics devices subject to ESD transient over-
voltages.
Fully compatible with pick and place equipment
and inspectable soldering joints.
Table 2: Absolute Ratings (T
amb
= 25°C)
Table 3: Thermal Resistances
Symbol Parameter Value Unit
P
PP Peak pulse power dissipation (see note
1
)
T
j
initial = T
amb
200 W
P Power dissipation on infinite heatsink
T
amb
= 100°C
2.5 W
I
FSM
Non repetitive surge peak forward current
t
p
= 10 ms
T
j
initial = T
amb
25 A
T
stg
T
j
Storage temperature range
Maximum junction temperature
-65 to 175
150
°C
T
L
Maximum lead temperature for soldering during 10 s. 260 °C
Note 1: 10/1000µs pulse waveform.
Symbol Parameter Value Unit
Rth(j-t) Junction to tab 20 °C/W
Rth(j-a) Junction to ambient on PCB with recommended pad layout 250 °C/W
Table 1: Order Codes
Part Number Marking
SM2T6V8A MUA
SM2T14A MUE
SM2T18A MUG
SM2T27A MUJ
