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ZMM5225 THRU ZMM5267
ZENER DIODES
Mini-MELF
FEATURES
Silicon Planar Power Zener Diodes
Cathode Mark
.142 (3.6)
.134 (3.4)
.019 (0.48)
.011 (0.28)
Dimensions are in inches and (millimeters)
Standard Zener voltage tolerance is ± 5% with
a “B” suffix. Other tolerances are available upon
request.
These diodes are also available in the DO-35 case with
the type designation 1N5225 … 1N5267, SOT-23 case with the
type designation MMBZ5225 ... MMBZ5267 and SOD-123 case
with type designation MMSZ5225 ... MMSZ5267.
MECHANICAL DATA
Case: Mini-MELF Glass Case (SOD-80)
Weight: approx. 0.05 g
MAXIMUM RATINGS
Ratings at 25°C ambient temperature unless otherwise specified.
Zener Current (see Table “Characteristics”)
Power Dissipation at Tamb = 75°C
Maximum Junction Temperature
Storage Temperature Range
SYMBOL
Ptot
Tj
TS
VALUE
500(1)
175
– 65 to +150
UNIT
mW
°C
°C
Thermal Resistance
Junction to Ambient Air
Forward Voltage
at IF = 200 mA
NOTES
(1) Valid provided that electrodes are kept at ambient temperature.
SYMBOL
RΘJA
VF
MIN.
TYP.
MAX.
UNIT
300(1)
°C/W
– 1.1 Volts
12/1/98

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ZMM5225 THRU ZMM5267
ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Type
ZMM5225
ZMM5226
ZMM5227
ZMM5228
ZMM5229
ZMM5230
ZMM5231
ZMM5232
ZMM5233
ZMM5234
ZMM5235
ZMM5236
ZMM5237
ZMM5238
ZMM5239
ZMM5240
ZMM5241
ZMM5242
ZMM5243
ZMM5244
ZMM5245
ZMM5246
ZMM5247
ZMM5248
ZMM5249
ZMM5250
ZMM5251
ZMM5252
ZMM5253
ZMM5254
ZMM5255
ZMM5256
ZMM5257
ZMM5258
ZMM5259
ZMM5260
ZMM5261
ZMM5262
ZMM5263
ZMM5264
ZMM5265
ZMM5266
ZMM5267
Nominal
Zener
Voltage(3)
at
IZT
VZ(V)
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
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
Test
current
IZT (mA)
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
8.5
7.8
7.4
7.0
6.6
6.2
5.6
5.2
5.0
4.6
4.5
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.1
2.0
1.8
1.7
Maximum Zener impedance(1)
at
IZT
ZZT (Ω)
29
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
19
21
23
25
29
33
35
41
44
49
58
70
80
93
105
125
150
170
185
230
270
at
IZK=0.25mA
ZZK (Ω)
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
900
1000
1100
1300
1400
1400
1600
1700
Typical
Temperature
Coefficient
αvz (%/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
+0.096
+0.097
+0.097
+0.097
+0.098
Maximum
Reverse Leakage Current
IR (µA)
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Test Voltage
VR (V)
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
8.4
9.1
9.9
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
Maximum
regulator
current(2)
IZM (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
NOTES
(1) The Zener impedance is derived from the 1kHz 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) Tested under thermal equilibrium and DC test conditions

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RATINGS AND CHARACTERISTIC CURVES ZMM5225 THRU ZMM5267