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ZMM5225 THRU ZMM5262
SILICON PLANAR ZENER DIODES
Features
Silicon Planar Zener Diodes
Standard Zener voltage tolerance is 20%. Add suffix “A”
for 10% tolerance and suffix “B” for 5% tolerance.
Other tolerances, non standard and higher Zener voltages
upon request.
These diodes are also availabel in DO-35 case with the type
designation 1N5225 thru 1N5262.
These diodes are delivered typed.
Details see “Taping”.
Weight approx. : 0.13g
DIMENSIONS
inches
mm
DIM Note
Min. Max. Min. Max.
A
0.134
0.142
3.4
3.6
B
0.055
0.059
1.40
1.50
C
0.008
0.016
0.2
0.4
Absolute Maximum Ratings (Ta=25 )
Zener current see Table "Characteristics"
Power dissipation at Tamb=75
Junction temperature
Storage temperature range
Note:
(1) Valid provided that electrodes are kept at ambient temperature.
Symbols
Values
Ptot 500 1)
Tj 175
TS -65 to +175
Characteristics at Tamb=25
Symbols
Thermal resistance
junction to ambient Air
RthA
Forward voltage at IF=200mA
Note:
(1) Valid provided that electrodes are kept at ambient temperature.
VF
Min.
-
-
Typ.
-
-
Units
mW
Max.
0.3 1)
1.1
Units
K/mW
V
1

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Nominal
Zener
voltage 3)
Test Maximum Zener Impedance 1) Maximum reverse leakage current
current
Type
ZMM5225
atVIZZT
V
3.0
I
ZT
mA
20
aZt ZITZT
29
at
I =0.25mA
ZK ZZK
1600
IR
Test voltage
Suffix A
Suffix B
uA
VR V
VR V
50 0.95 1.0
ZMM5226
3.3 20
28
1600
25
0.95
1.0
ZMM5227
3.6 20
24
1700
15
0.95
1.0
ZMM5228
3.9 20
23
1900
10
0.95
1.0
ZMM5229
4.3 20
22
2000
5
0.95
1.0
ZMM5230
4.7 20
19
1900
5
1.9 2.0
ZMM5231
5.1 20
17
1600
5
1.9 2.0
ZMM5232
5.6 20
11
1600
5
2.9 3.0
ZMM5233
6.0 20
7
1600
5
3.3 3.5
ZMM5234
6.2 20
7
1000
5
3.8 4.0
ZMM5235
6.8 20
5
750 3
4.8 5.0
ZMM5236
7.5 20
6
500 3
5.7 6.0
ZMM5237
8.2 20
8
500 3
6.2 6.5
ZMM5238
8.7 20
8
600 3
6.2 6.5
ZMM5239
9.1 20 10 600 3 6.7 7.0
ZMM5240
10 20 17 600 3 7.6 8.0
ZMM5241
11 20 22 600 2 8.0 8.4
ZMM5242
12 20 30 600 1 8.7 9.1
ZMM5243
13 9.5
13
600 0.5 9.4 9.9
ZMM5244
14 9.0
15
600 0.1 9.5 10
ZMM5245
15 8.5
16
600 0.1 10.5
11
ZMM5246
16 7.8
17
600 0.1 11.4
12
ZMM5247
17 7.4
19
600 0.1 12.4
13
ZMM5248
18 7.0
21
600 0.1 13.3
14
ZMM5249
19 6.6
23
600 0.1 13.3
14
ZMM5250
20 6.2
25
600 0.1 14.3
15
ZMM5251
22 5.6
29
600 0.1 16.2
17
ZMM5252
24 5.2
33
600 0.1 17.1
18
ZMM5253
25 5.0
35
600 0.1 18.1
19
ZMM5254
27 4.6
41
600 0.1
20
21
ZMM5255
28 4.5
44
600 0.1
20
21
ZMM5256
30 4.2
49
600 0.1
22
23
ZMM5257
33 3.8
58
700 0.1
24
25
ZMM5258
36 3.4
70
700 0.1
26
27
ZMM5259
39 3.2
80
800 0.1
29
30
ZMM5260
43 3.0
93
900 0.1
31
33
ZMM5261
47 2.7
105
1000
0.1
34
36
ZMM5262
51 2.5
125
1100
0.1
37
Notes:
(1) The Zener Impedance is derived from the 60Hz 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.
(2) Valid provided that electrodes are kept at ambient temperature.
(3) Measured under thermal equilibrium and DC test conditions.
39
Maximum
regulator
current 2)
I
ZM
mA
152
138
126
115
106
97
89
81
76
73
67
61
55
52
50
45
41
38
35
32
30
28
27
25
24
23
21
19.1
18.2
16.8
16.2
15.1
13.8
12.6
11.6
10.6
9.7
8.9
Typical
temperature
coefficient
VZ
%/K
-0.075
-0.070
-0.065
-0.060
-0.055
±0.030
±0.030
+0.038
+0.038
+0.045
+0.050
+0.058
+0.062
+0.065
+0.068
+0.075
+0.076
+0.077
+0.079
+0.082
+0.082
+0.083
+0.084
+0.085
+0.086
+0.086
+0.087
+0.087
+0.089
+0.090
+0.091
+0.091
+0.092
+0.093
+0.094
+0.095
+0.095
+0.096
2

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RATINGS AND CHARACTERISTIC CURVES
3