Part Name
         Description
MMSZ5221B

 ZENER DIODES ( 2 Page)


SYNSEMI
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ELECTRICAL CHARACTERISTICS
Rating at 25
°C ambient temperature unless otherwise specifie
Test
Test
Maximum Reverse
Current
Current
Leakage Current
IZT
ZZT @ IZT
ZZT @ IZK
IZK
Min.
Nom.
Max.
(mA)
(
Ω)
(
Ω)
(mA)
(
μA)
(V)
MMSZ 5221B
C1
2.28
2.4
2.52
20
30
1200
0.25
100
1.0
MMSZ 5222B
C2
2.38
2.5
2.63
20
30
1250
0.25
100
1.0
MMSZ 5223B
C3
2.57
2.7
2.84
20
30
1300
0.25
75
1.0
MMSZ 5224B
C4
2.66
2.8
2.94
20
30
1400
0.25
75
1.0
MMSZ 5225B
C5
2.85
3.0
3.15
20
29
1600
0.25
50
1.0
MMSZ 5226B
D1
3.14
3.3
3.47
20
28
1600
0.25
25
1.0
MMSZ 5227B
D2
3.42
3.6
3.78
20
24
1700
0.25
15
1.0
MMSZ 5228B
D3
3.71
3.9
4.10
20
23
1900
0.25
10
1.0
MMSZ 5229B
D4
4.09
4.3
4.52
20
22
2000
0.25
5
1.0
MMSZ 5230B
D5
4.47
4.7
4.94
20
19
1900
0.25
5
2.0
MMSZ 5231B
E1
4.85
5.1
5.36
20
17
1600
0.25
5
2.0
MMSZ 5232B
E2
5.32
5.6
5.88
20
11
1600
0.25
5
3.0
MMSZ 5233B
E3
5.70
6.0
6.30
20
7
1600
0.25
5
3.5
MMSZ 5234B
E4
5.89
6.2
6.51
20
7
1000
0.25
5
4.0
MMSZ 5235B
E5
6.46
6.8
7.14
20
5
750
0.25
3
5.0
MMSZ 5236B
F1
7.13
7.5
7.88
20
6
500
0.25
3
6.0
MMSZ 5237B
F2
7.79
8.2
8.61
20
8
500
0.25
3
6.5
MMSZ 5238B
F3
8.27
8.7
9.14
20
8
600
0.25
3
6.5
MMSZ 5239B
F4
8.65
9.1
9.56
20
10
600
0.25
3
7.0
MMSZ 5240B
F5
9.50
10
10.50
20
17
600
0.25
3
8.0
MMSZ 5241B
H1
10.45
11
11.50
20
22
600
0.25
2
8.4
MMSZ 5242B
H2
11.40
12
12.60
20
30
600
0.25
1
9.1
MMSZ 5243B
H3
12.35
13
13.65
9.5
13
600
0.25
0.5
9.9
MMSZ 5244B
H4
13.30
14
14.70
9.0
15
600
0.25
0.1
10
MMSZ 5245B
H5
14.25
15
15.75
8.5
16
600
0.25
0.1
11
MMSZ 5246B
J1
15.20
16
16.80
7.8
17
600
0.25
0.1
12
MMSZ 5247B
J2
16.15
17
17.85
7.4
19
600
0.25
0.1
13
MMSZ 5248B
J3
17.10
18
18.90
7.0
21
600
0.25
0.1
14
MMSZ 5250B
J5
19.00
20
21.00
6.2
25
600
0.25
0.1
15
MMSZ 5251B
K1
20.90
22
23.10
5.6
29
600
0.25
0.1
17
MMSZ 5252B
K2
22.80
24
25.20
5.2
33
600
0.25
0.1
18
MMSZ 5253B
K3
23.75
25
26.25
5
35
600
0.25
0.1
19
MMSZ 5254B
K4
25.65
27
28.35
4.6
41
600
0.25
0.1
21
MMSZ 5255B
K5
26.60
28
29.40
4.5
44
600
0.25
0.1
21
MMSZ 5256B
M1
28.50
30
31.50
4.2
49
600
0.25
0.1
23
MMSZ 5257B
M2
31.35
33
34.65
3.8
58
700
0.25
0.1
25
MMSZ 5258B
M3
34.20
36
37.80
3.4
70
700
0.25
0.1
27
MMSZ 5259B
M4
37.05
39
40.95
3.2
80
800
0.25
0.1
30
MMSZ 5260B
M5
40.85
43
45.15
3.0
93
900
0.25
0.1
33
MMSZ 5261B
N1
44.65
47
49.35
2.7
105
1000
0.25
0.1
36
MMSZ 5262B
N2
48.45
51
53.55
2.5
125
1100
0.25
0.1
39
MMSZ 5263B
N3
53.20
56
58.80
2.2
150
1300
0.25
0.1
43
MMSZ 5264B
N4
57.00
60
63.00
2.1
170
1400
0.25
0.1
46
MMSZ 5265B
N5
58.90
62
65.10
2.0
185
1400
0.25
0.1
47
MMSZ 5266B
P1
64.60
68
71.40
1.8
230
1600
0.25
0.1
52
MMSZ 5267B
P2
71.25
75
78.75
1.7
270
1700
0.25
0.1
56
MMSZ 5268B
P3
77.90
82
86.10
1.5
330
2000
0.25
0.1
62
MMSZ 5269B
P4
82.65
87
91.35
1.4
370
2200
0.25
0.1
68
MMSZ 5270B
P5
86.45
91
95.55
1.4
400
2300
0.25
0.1
69
MMSZ 5272B
R2
104.50
110
115.50
1.1
750
3000
0.25
0.1
84
Notes :
(1) The type numbers shown have a standard tolerance of ± 5% on the nomainal Zener voltage
..
(2) Nominal Zener voltage is measured with the device junction in thermal equilibrium a
TL = 30°C ±1°C
(3) ZZT and ZZK are measured by divice drop across the device by the AC current applice.
The specified limits are for
IZ(AC) = 0.1 IZ(DC) with the AC frequency1 KHz
Page 2 of 2
Rev. 01 : January 4, 2006
Type No.
Maximum Zener
IR
@
V R
VZ @ IZT
(V)
Impedance
(3)
Zener Voltage
(1,2)
Marking
1  2 



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