HZ Series
SILICON EPITAXIAL PLANER ZENER DIODES
for stabilized power supply
Max. 0.5
Max. 1.9
Min. 27.5
Features
• Low leakage, low zener impedance and maximum
power dissipation of 500 mW are ideally suited for
stabilized power supply, etc.
• Wide spectrum from 1.6 V through 38 V of zener
voltage provide flexible application.
Black
Cathode Band
Black
Part No.
Black
"ST" Brand
XXX
ST
Max. 3.9
Min. 27.5
Glass Case DO-35
Dimensions in mm
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Power Dissipation
Junction Temperature
Storage Temperature Range
Symbol
P
tot
T
j
T
S
Value
500
175
- 55 to + 175
Unit
mW
O
C
C
O
Characteristics at T
a
= 25
O
C
Type
HZ2A1
HZ2A2
HZ2A3
HZ2B1
HZ2B2
HZ2B3
HZ2C1
HZ2C2
HZ2C3
HZ3A1
HZ3A2
HZ3A3
HZ3B1
HZ3B2
HZ3B3
HZ3C1
HZ3C2
HZ3C3
HZ4A1
HZ4A2
HZ4A3
HZ4B1
HZ4B2
HZ4B3
HZ4C1
HZ4C2
HZ4C3
Zener Voltage
1)
Min. (V)
1.6
1.7
1.8
1.9
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4
4.1
4.2
Max. (V)
1.8
1.9
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4
4.1
4.2
4.3
4.4
at l
Z
(mA)
5
Reverse Current
I
R
(µA) Max.
25
at V
R
(V)
0.5
Dynamic Resistance
r
d
(Ω) Max.
100
at l
Z
(mA)
5
5
5
0.5
100
5
5
5
0.5
100
5
5
5
1
100
5
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 22/06/2007
HZ Series
Characteristics at T
a
= 25
O
C
Type
HZ5A1
HZ5A2
HZ5A3
HZ5B1
HZ5B2
HZ5B3
HZ5C1
HZ5C2
HZ5C3
HZ6A1
HZ6A2
HZ6A3
HZ6B1
HZ6B2
HZ6B3
HZ6C1
HZ6C2
HZ6C3
HZ7A1
HZ7A2
HZ7A3
HZ7B1
HZ7B2
HZ7B3
HZ7C1
HZ7C2
HZ7C3
HZ9A1
HZ9A2
HZ9A3
HZ9B1
HZ9B2
HZ9B3
HZ9C1
HZ9C2
HZ9C3
HZ11A1
HZ11A2
HZ11A3
HZ11B1
HZ11B2
HZ11B3
HZ11C1
HZ11C2
HZ11C3
HZ12A1
HZ12A2
HZ12A3
HZ12B1
HZ12B2
Zener Voltage
1)
Min. (V)
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
6
6.1
6.3
6.4
6.6
6.7
6.9
7
7.2
7.3
7.5
7.7
7.9
8.1
8.3
8.5
8.7
8.9
9.1
9.3
9.5
9.7
9.9
10.2
10.4
10.7
10.9
11.1
11.4
11.6
11.9
12.2
12.4
12.6
Max. (V)
4.5
4.6
4.7
4.8
4.9
5
5.1
5.2
5.3
5.5
5.6
5.7
5.8
5.9
6
6.1
6.3
6.4
6.6
6.7
6.9
7
7.2
7.3
7.6
7.7
7.9
8.1
8.3
8.5
8.7
8.9
9.1
9.3
9.5
9.7
9.9
10.1
10.3
10.6
10.8
11.1
11.3
11.6
11.9
12.1
12.4
12.7
12.9
13.1
at l
Z
(mA)
Reverse Current
I
R
(µA) Max.
at V
R
(V)
Dynamic Resistance
r
d
(Ω) Max.
at l
Z
(mA)
5
5
1.5
100
5
5
5
2
40
5
5
1
3.5
15
5
5
1
5
20
5
5
1
7.5
25
5
5
1
9.5
35
5
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 22/06/2007
HZ Series
Characteristics at T
a
= 25
O
C
Type
Zener Voltage
1)
Min. (V)
Max. (V)
at l
Z
(mA)
5
Reverse Current
I
R
(µA) Max.
1
at V
R
(V)
9.5
Dynamic Resistance
r
d
(Ω) Max.
35
at l
Z
(mA)
5
HZ12B3
12.9
13.4
HZ12C1
13.2
13.7
HZ12C2
13.5
14
HZ12C3
13.8
14.3
HZ15-1
14.1
14.7
HZ15-2
14.5
15.1
HZ15-3
14.9
15.5
HZ16-1
15.3
15.9
HZ16-2
15.7
16.5
HZ16-3
16.3
17.1
HZ18-1
16.9
17.7
HZ18-2
17.5
18.3
HZ18-3
18.1
19
HZ20-1
18.8
19.7
HZ20-2
19.5
20.4
HZ20-3
20.2
21.1
HZ22-1
20.9
21.9
HZ22-2
21.6
22.6
HZ22-3
22.3
23.3
HZ24-1
22.9
24
HZ24-2
23.6
24.7
HZ24-3
24.3
25.5
HZ27-1
25.2
26.6
HZ27-2
26.2
27.6
HZ27-3
27.2
28.6
HZ30-1
28.2
29.6
HZ30-2
29.2
30.6
HZ30-3
30.2
31.6
HZ33-1
31.2
32.6
HZ33-2
32.2
33.6
HZ33-3
33.2
34.6
HZ36-1
34.2
35.7
HZ36-2
35.3
36.8
HZ36-3
36.4
38
1)
Tested with pulses tp = 20 ms.
5
1
11
40
5
5
1
12
45
5
5
1
13
55
5
2
1
15
60
2
2
1
17
65
2
2
1
19
70
2
2
1
21
80
2
2
1
23
100
2
2
1
25
120
2
2
1
27
140
2
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 22/06/2007
HZ Series
Fig.1- Zener current versus zener voltage
10
-2
HZ2B2
HZ12B2
HZ24-2
Zener Current Iz (A)
10
-5
10
-6
10
-7
10
-8
HZ36-2
10
-4
HZ6B2
HZ30-2
10
-3
HZ4B2
HZ9B2
HZ16-2
HZ20-2
0
5
10
15
20
25
30
35
40
Zener voltage Vz (v)
Fig.2 Temperature Coefficient
Vs. Zener voltage
Fig. 3 Power dissipation Vs.
Ambient temperature
( %/ C)
%/ C
Zener voltage
temperature coefficient z (mV / C)
Zener voltage
temperature coefficient
z
mV / C
Zener voltage
V
Z
( V )
Power dissipation Ptot
( mW )
Ambient temperature T
a ( C )
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 22/06/2007
