HZM27WA Datasheet, PDF (3/6 Pages) Hitachi Semiconductor – Silicon Epitaxial Planar Zener Diode for Surge Absorb

Main Characteristic
10
8
6
4
2
0
0 5 10 15 20 25 30 35 40
Zener Voltage Vz (V)
Fig.1 Zener current Vs. Zener voltage
HZM27WA
250
200
150
100
1.0mm
Cu Foil
Printed circuit board
25 × 62 × 1.6t mm
Material:
Glass Epoxy Resin+Cu Foil
50
0
0
50
100
150 200
Ambient Temperature Ta ( °C)
Fig.2 Power Dissipation Vs. Ambient Temperature
10⁴
PRSM
t
Ta = 25°C
nonrepetitive
10³
10²
10
1.0
10^-5
10^-4
10^-3
10^-2
10^-1
1.0
Time t (s)
Fig.3 Surge Reverse Power Ratings
3