MMBZ5221B Series
WE ITR ON
E L E C TR IC AL C HAR AC TE R IS TIC S
(P inout: 1-Anode, 2-NC , 3-C athode) (V = 0.9 V Max @ I = 10 mA for all types.)
F
F
Zener Voltage(Note)
Zener Impedance
L eakage C urrent
V
(Volts )
@ I
Z
@ I
Z
@ I
I @ V
R R
Z
ZT
ZT
ZT
ZK
ZK
Device
Ω
Min
Nom
Max
mA
mA
uA
Volts
Marking
Ω
Device
MMBZ5221B
MMBZ5222B
MMBZ5223B
MMBZ5224B
MMBZ5225B
18A
18B
18C
18D
18E
2.28
2.37
2.56
2.66
2.85
2.4
2.5
2.7
2.8
3
2.52
2.63
2.84
2.94
3.15
20
20
20
20
20
30
30
30
30
29
1200
1250
1300
1400
1600
0.25
0.25
0.25
0.25
0.25
100
100
75
75
50
1
1
1
1
1
MMBZ5226B
MMBZ5227B
MMBZ5228B
MMBZ5229B
MMBZ5230B
8A
8B
8C
8D
8E
3.13
3.42
3.70
4.08
4.46
3.3
3.6
3.9
4.3
4.7
3.47
3.78
4.10
4.52
4.94
20
20
20
20
20
28
24
23
22
19
1600
1700
1900
2000
1900
0.25
0.25
0.25
0.25
0.25
25
15
10
5
1
1
1
1
2
5
MMBZ5231B
MMBZ5232B
MMBZ5233B
MMBZ5234B
MMBZ5235B
8F
8G
8H
8J
4.84
5.32
5.70
5.89
6.46
5.1
5.6
6
6.2
6.8
5.36
5.88
6.30
6.51
7.14
20
20
20
20
20
17
11
7
1600
1600
1600
1000
750
0.25
0.25
0.25
0.25
0.25
5
5
5
5
3
2
3
3.5
4
7
8K
5
5
MMBZ5236B
MMBZ5237B
MMBZ5238B
MMBZ5239B
MMBZ5240B
8L
8M
8N
8P
7.12
7.79
8.26
8.64
9.50
7.5
8.2
8.7
9.1
10
7.88
8.61
9.14
9.56
10.50
20
20
20
20
20
6
8
8
10
17
500
500
600
600
600
0.25
0.25
0.25
0.25
0.25
3
3
3
3
3
6
6.5
6.5
7
8Q
8
MMBZ5241B
MMBZ5242B
MMBZ5243B
MMBZ5244B
MMBZ5245B
8R
8S
8T
8U
8V
10.4
11.40
12.35
13.30
14.25
11
12
13
14
15
11.55
12.60
13.65
14.70
15.75
20
20
9.5
9
22
30
13
15
16
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
2
1
8.4
9.1
9.9
10
0.5
0.1
0.1
8.5
11
MMBZ5246B
MMBZ5247B
MMBZ5248B
MMBZ5249B
MMBZ5250B
8W
8X
8Y
15.20
16.15
17.10
18.05
19.00
16
17
18
19
20
16.80
17.85
18.90
19.95
21.00
7.8
7.4
7
17
19
21
23
25
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
12
13
14
14
15
8Z
81A
6.6
6.2
MMBZ5251B
MMBZ5252B
MMBZ5253B
MMBZ5254B
MMBZ5255B
81B
81C
81D
81E
81F
20.90
22.80
23.75
25.65
26.60
22
24
25
27
28
23.10
25.20
26.25
28.35
29.40
5.6
5.2
5
4.6
4.5
29
33
35
41
44
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
17
18
19
21
21
MMBZ5256B
MMBZ5257B
MMBZ5258B
MMBZ5259B
MMBZ5260B
81G
81H
81J
81K
81L
28.50
31.35
34.20
37.05
40.85
30
33
36
39
43
31.50
34.65
37.80
40.95
45.15
4.2
3.8
3.4
3.2
3
49
58
70
80
93
600
700
700
800
900
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
23
25
27
30
33
MMBZ5261B
MMBZ5262B
MMBZ5263B
MMBZ5264B
MMBZ5265B
81M
81N
81P
81Q
81R
44.65
48.45
53.20
57.00
58.90
47
51
56
60
62
49.35
53.55
58.80
63.00
65.10
2.7
2.5
2.2
2.1
2
105
125
150
170
185
1000
1100
1300
1400
1400
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
36
39
43
46
47
MMBZ5266B
MMBZ5267B
MMBZ5268B
MMBZ5269B
MMBZ5270B
81S
81T
81U
81V
81W
64.60
71.25
77.90
82.65
86.45
68
75
82
87
91
71.40
78.75
86.10
91.35
95.55
1.8
1.7
1.5
1.4
1.4
230
270
330
370
400
1600
1700
2000
2200
2300
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
52
56
62
68
69
NOTE . Zener voltage is measured with a pulse test current I at an ambient temperature of 25 C
Z
WEITRON
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