Panasonic Circuit Protector Elements UNHZ204 - Manual (Page 2)

This product complies with the RoHS Directive (EU 2002/95/EC).
UNHZ204
2 SQB00037BED
−25 150 25 0 100 125 50 75
0.6
1.1
1.0
0.9
0.8
0.7
Cutoff current ratio
Ambient temperature T
a
( °C)
Cutoff current ratio
 T
a
I 2 t
 t
Cutoff current characteristics
10 10 2 10 3 1
1
10
10 2
10 3
10 4
T
a
= 25°C
Cutoff line of real ability by pulse
Limit line of real ability by pulse
Recommendable limit line by pulse
t (ms)
I 2
t (A
2
•
ms)
0 6 4 2
10 −3
1
10 −1
10 −2
+20% −20%
T
a
= 25°C
Cutoff current (A)
Cutoff time t (s)