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Dated : 25/06/2007
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
HZS Series
SILICON EPITAXIAL PLANER ZENER DIODES
for Stabilized Power Supply
Features
• Low leakage, low zener impedance and maximum
power dissipation of 400 mW are ideally suited for
stabilized power supply, etc.
• Wide spectrum from 1.6 V through 38 V of zener
voltage provide flexible application.
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Symbol
Value
Unit
Power Dissipation
Ptot
400
mW
Junction Temperature
Tj
200
O
C
Storage Temperature Range
TS
- 55 to + 175
O
C
Characteristics at Ta = 25 OC
Zener Voltage
1)
Reverse Current
Dynamic Resistance
VZ (V)
IR (µA)
rd (Ω)
Type
Min.
Max.
IZ (mA)
Max.
VR (V)
Max.
lZ (mA)
HZS2A1
1.6
1.8
HZS2A2
1.7
1.9
HZS2A3
1.8
2
5
25
0.5
100
5
HZS2B1
1.9
2.1
HZS2B2
2
2.2
HZS2B3
2.1
2.3
HZS2C1
2.2
2.4
HZS2C2
2.3
2.5
HZS2C3
2.4
2.6
5
5
0.5
100
5
HZS3A1
2.5
2.7
HZS3A2
2.6
2.8
HZS3A3
2.7
2.9
HZS3B1
2.8
3
HZS3B2
2.9
3.1
HZS3B3
3
3.2
HZS3C1
3.1
3.3
HZS3C2
3.2
3.4
HZS3C3
3.3
3.5
5
5
0.5
100
5
Max. 2.9
Max. 1.9
Glass Case DO-34
Max. 0.45
Min. 27.5
Min. 27.5
XXX
Cathode Band
Part No.
Dimensions in mm
Black
Black
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