ZMM5221...ZMM5267
Silicon Planar Zener Diodes
Standard zener voltage tolerance is ± 20%. Add suffix "A"
for ± 10% tolerance, suffix "B" for ± 5% tolerance and
suffix "C" for ± 2% tolerance. Other tolerance, non
standard and higher zener voltages are upon request.
LL-34
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Power Dissipation
Junction Temperature
1)
Storage Temperature Range
Valid provided that electrodes are kept at ambient temperature.
Characteristics at T
a
= 25
O
C
Thermal Resistance Junction to Ambient Air
Forward Voltage
at I
F
= 200 mA
1)
Valid provided that electrodes are kept at ambient temperature.
S
®
H
C
E
T
M
E
Symbol
P
tot
T
j
Value
500
1)
Unit
mW
O
175
C
C
T
stg
- 65 to + 175
O
Parameter
Symbol
R
thA
V
F
Max.
Unit
0.3
1)
1.1
K/mW
V
SEMTECH ELECTRONICS LTD.
Subsidiary of Sino-Tech International (BVI) Limited
Dated : 24/12/2009 Rev: 01
ZMM5221...ZMM5267
Characteristics at T
a
= 25
O
C
Zener Voltage Range
Type
ZMM5221B
ZMM5222B
ZMM5223B
ZMM5224B
ZMM5225B
ZMM5226B
ZMM5227B
ZMM5228B
ZMM5229B
ZMM5230B
ZMM5231B
ZMM5232B
ZMM5233B
ZMM5234B
ZMM5235B
ZMM5236B
ZMM5237B
ZMM5238B
ZMM5239B
ZMM5240B
ZMM5241B
ZMM5242B
ZMM5243B
ZMM5244B
ZMM5245B
ZMM5246B
ZMM5247B
ZMM5248B
ZMM5249B
ZMM5250B
ZMM5251B
ZMM5252B
ZMM5253B
ZMM5254B
ZMM5255B
ZMM5256B
ZMM5257B
ZMM5258B
ZMM5259B
ZMM5260B
ZMM5261B
ZMM5262B
ZMM5263B
ZMM5264B
ZMM5265B
ZMM5266B
ZMM5267B
1)
1)
Dynamic Resistance
at l
ZT
Z
ZT
Max. (Ω)
30
30
30
30
29
28
24
23
22
19
11
7
7
5
6
8
8
Z
ZK
Max. (Ω)
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
at I
ZK
(mA)
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
(mA)
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
Reverse Current
I
R
Max. (µA)
100
100
75
75
50
25
15
10
5
5
5
5
5
3
3
3
3
3
2
1
at V
R
(V)
1
1
1
1
1
1
1
1
1
2
3
V
Znom
(V)
2.4
2.5
2.7
2.8
3
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
56
60
62
68
75
Min. (V)
2.28
2.38
2.57
2.66
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.7
5.89
6.46
7.13
7.79
8.27
8.65
9.5
V
ZT
Max. (V)
2.52
2.62
2.83
2.94
3.15
3.46
3.78
4.09
4.51
4.93
5.35
6.3
5.88
6.51
7.14
7.87
8.61
9.13
9.55
S
®
H
C
E
T
M
E
20
17
1600
0.25
5
2
20
1600
1000
750
500
500
600
0.25
0.25
3.5
4
5
6
0.25
0.25
0.25
0.25
6.5
6.5
7
8
20
10
600
0.25
3
10.5
20
17
600
0.25
10.45
11.4
13.3
15.2
17.1
19
12.35
14.25
16.15
18.05
20.9
22.8
11.55
12.6
14.7
16.8
18.9
21
13.65
15.75
17.85
19.95
23.1
25.2
20
22
600
0.25
8.4
9.1
10
20
9
30
600
0.25
9.5
8.5
7.4
6.6
13
16
19
23
600
600
600
600
0.25
0.25
0.25
0.25
0.5
0.1
0.1
0.1
9.9
11
13
14
15
600
0.25
0.1
7.8
7.0
17
21
600
600
0.25
0.25
0.1
0.1
12
14
6.2
25
600
0.25
0.1
15
5.6
5.2
5
29
33
600
600
0.25
0.25
0.1
0.1
17
18
23.75
25.65
26.6
28.5
34.2
37.05
40.85
44.65
48.45
53.2
57
58.9
64.6
71.25
26.25
28.35
29.4
31.5
37.8
40.95
45.15
49.35
53.55
58.8
63
65.1
71.4
78.75
35
600
0.25
0.1
19
4.6
41
600
0.25
0.1
21
4.4
4.2
3.4
3.2
3
2.7
2.5
2.2
2.1
2
1.8
1.7
44
49
70
80
93
105
125
150
170
185
230
270
600
600
700
800
900
1000
1100
1300
1400
1400
1600
1700
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
21
23
27
30
33
36
39
45
46
47
52
56
31.35
34.65
3.8
58
700
0.25
0.1
25
Dated : 24/12/2009 Rev: 01
Tested with pulses tp = 20 ms.
SEMTECH ELECTRONICS LTD.
Subsidiary of Sino-Tech International (BVI) Limited
ZMM5221...ZMM5267
500
Power Dissipation: Ptot (mW)
400
300
200
100
0
0
25
S
®
H
C
E
T
M
E
100
150
Ambient Temperature: Ta ( C)
O
200
Power Derating Curve
SEMTECH ELECTRONICS LTD.
Subsidiary of Sino-Tech International (BVI) Limited
Dated : 24/12/2009 Rev: 01
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