www.vishay.com
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Document Number 85772
Rev. 1.4, 21-Oct-05
MMBZ5225-V to MMBZ5267-V
Vishay Semiconductors
Electrical Characteristics
Tamb = 25 ° unless otherwise noted
Maximum VF = 0.9 V at IF = 10 mA
1)The Zener Impedance is derived from the 1 kHZ AC voltage which results when an AC current having an RMS value equal to 10 % of
the Zener current (IZT or IZK) is superimposed on IZT or IZK. Zener Impedance is measured at two points to insure a sharp knee on the
breakdown curve and to eliminate unstable units.
3) Measured at thermal equilibrium.
Partnumber
Marking
Code
Nominal
Zener
Voltage
Test
Current
Maximum Dynamic
Impedance1)
Typical
Temp.
of
Coefficient
Maximum Reverse
Leakage Current
VZ @ IZT1
IZT1
ZZT @ IZT
ZZK @ IZK =
0.25 mA
α
VZ
IR
VR
V
mA
Ω
%/°C
μA
V
MMBZ5225-V
18E
3
20
30
1600
-0.075
50
1
MMBZ5226-V
8A
3.3
20
28
1600
-0.07
25
1
MMBZ5227-V
8B
3.6
20
24
1700
-0.065
15
1
MMBZ5228-V
8C
3.9
20
23
1900
-0.06
10
1
MMBZ5229-V
8D
4.3
20
22
2000
-0.055
5
1
MMBZ5230-V
8E
4.7
20
19
1900
±0.030
5
2
MMBZ5231-V
8F
5.1
20
17
1600
±0.030
5
2
MMBZ5232-V
8G
5.6
20
11
1600
0.038
5
3
MMBZ5233-V
8H
6
20
7
1600
0.038
5
3.5
MMBZ5234-V
8J
6.2
20
7
1000
0.045
5
4
MMBZ5235-V
8K
6.8
20
5
750
0.05
3
5
MMBZ5236-V
8L
7.5
20
6
500
0.058
3
6
MMBZ5237-V
8M
8.2
20
8
500
0.062
3
6.5
MMBZ5238-V
8N
8.7
20
8
600
0.065
3
6.5
MMBZ5239-V
8P
9.1
20
10
600
0.068
3
7
MMBZ5240-V
8Q
10
20
17
600
0.075
3
8
MMBZ5241-V
8R
11
20
22
600
0.076
2
8.4
MMBZ5242-V
8S
12
20
30
600
0.077
1
9.1
MMBZ5243-V
8T
13
9.5
13
600
0.079
0.5
9.9
MMBZ5244-V
8U
14
9
15
600
0.082
0.1
10
MMBZ5245-V
8V
15
8.5
16
600
0.082
0.1
11
MMBZ5246-V
8W
16
7.8
17
600
0.083
0.1
12
MMBZ5247-V
8X
17
7.4
19
600
0.084
0.1
13
MMBZ5248-V
8Y
18
7
21
600
0.085
0.1
14
MMBZ5249-V
8Z
19
6.6
23
600
0.086
0.1
14
MMBZ5250-V
81A
20
6.2
25
600
0.086
0.1
15
MMBZ5251-V
81B
22
5.6
29
600
0.087
0.1
17
MMBZ5252-V
81C
24
5.2
33
600
0.087
0.1
18
MMBZ5253-V
81D
25
5
35
600
0.089
0.1
19
MMBZ5254-V
81E
27
4.6
41
600
0.090
0.1
21
MMBZ5255-V
81F
28
4.5
44
600
0.091
0.1
21
MMBZ5256-V
81G
30
4.2
49
600
0.091
0.1
23
MMBZ5257-V
81H
33
3.8
58
700
0.092
0.1
25
MMBZ5258-V
81J
36
3.4
70
700
0.093
0.1
27
MMBZ5259-V
81K
39
3.2
80
800
0.094
0.1
30
MMBZ5260-V
18F
43
3
93
900
0.095
0.1
33
MMBZ5261-V
81M
47
2.7
105
1000
0.095
0.1
36
MMBZ5262-V
81N
51
2.5
125
1100
0.096
0.1
39
MMBZ5263-V
81P
56
2.2
150
1300
0.096
0.1
43
MMBZ5264-V
81Q
60
2.1
170
1400
0.097
0.1
46
MMBZ5265-V
81R
62
2
185
1400
0.097
0.1
47
MMBZ5266-V
81S
68
1.8
230
1600
0.097
0.1
52
MMBZ5267-V
81T
75
1.7
270
1700
0.098
0.1
56