Datasheet

STIEC45-XXAS Characteristics
Doc ID 16871 Rev 1 3/9
Note: Surge capability given for both directions for unidirectional and bidirectional types.
Table 3. Electrical characteristics - parameter values (T
amb
= 25 °C)
Order code
I
RM
@V
RM
V
BR
@I
R
(1)
V
CL
@I
PP
8/20 µs, 1.2/50 µs
R
D
(2)
8/20 µs
αT
(3)
25 °C 85 °C Min. Typ. Max. Max. Typ. max
µA V V mA V A Ω 10
-4
/ °C
STIEC45-24AS 0.2 1 24 26.7 28.2 29.5 1 42 500 0.025 9.6
STIEC45-26AS 0.2 1 26 28.9 30.3 31.9 1 45 500 0.026 9.7
STIEC45-27AS 0.2 1 27 30 31.6 33.2 1 47 500 0.028 9.7
STIEC45-28AS 0.2 1 28 31.1 32.6 34.3 1 49 500 0.029 9.8
STIEC45-30AS 0.2 1 30 33.3 35 36.8 1 55 500 0.036 9.9
STIEC45-33AS 0.2 1 33 36.7 38.6 40.6 1 59 500 0.036 10
1. Pulse test: t
p
< 50 ms
2. To calculate maximum clamping voltage at other surge levels: V
CLmax
= R
D
x I
PP
+ V
BRmax
3. To calculate V
BR
versus junction temperature: V
BR
@ T
j
= V
BR
@ 25°C x (1 + αT x (T
j
– 25))
Figure 2. Pulse form Figure 3. Peak pulse current versus initial
junction temperature
Repetitive pulse current
t
r
= rise time (µs)
t
p
= pulse duration time (µs)
t
p
t
t
r
% Ipp
100
50
0
0
100
200
300
400
500
600
0 25 50 75 100 125 150 175
T (°C)
j
I (A)
PP
8/20 µs, 1.2/50 µs