Data Sheet
500 mWatts Glass Pack
Surface Mount Zener Diode
Mechanical Dimensions
ZMM5221~5261
Description
MINI MELF GLASS
Dimensions in Inches (mm)
FEATURES
□
3%, 5%, 10%, 20% VOLTAGE AVAILABLE
□
WIDE VOLTAGE RANGE
□
MEETS UL SPECIFICATION 94V-0
CHARACTERISTIC AT Ta=25℃
SYMBOL
MIN
TYP
MAX
UNIT
THERMAL RESISTANCE JUNCTION TO AMBIENT AIR
RthA
0.3
k/Mw
FORWARD VOLTAGE AT IF=200mA
VF
1.1
V
* VALID PROVIDED THAT LEADS AT A DISTANCE OF 10mm FROM CASE ARE KEPT AT AMBIENT TEMPERATU
ABSOLUTE MAX. RATINGS
SYMBOL
VALUE
UNIT
ZENER CURRENT SEE TABLE CHARACTERISTICS
POWER DISSIPATION AT Ta=25℃
Ptot
500
mW
JUNCTION TEMPERATURE
Tj
175
STORAGE TEMPERATURE RANGE
Ts
-65 to +175
* VALID PROVIDED THAT LEADS AT A DISTANCE OF 10mm FROM CASE ARE KEPT AT AMBIENT TEMPERATU
FIG.1: BREAKDOWN CHARACTERISTICS
℃
℃
Data Sheet
500 mWatts Glass Pack
Surface Mount Zener Diode
Zener Diodes
Maximum
Reverse Current
@ Vr
Ir (uA)
Test
Voltage
Vr (V)
Maximum Zener
Voltage Temp.
Coeff.
avz (%/C)
Max.
Regulator
Current
IzM(mA)
1/2 Watt
FCI
Part #
Nominal
Zener Voltage
@ Izt
Vz (V)
Test
Current
Izt (mA)
Maximum Zener Impedance
ZzT at Izt
(Ω)
Zzk at Izk
Izk=0.25mA
(Ω)
Package
ZMM5221
2.4
20
30
1200
ZMM5222
2.5
20
30
1250
ZMM5223
2.7
20
30
1300
ZMM5224
2.8
20
30
1400
ZMM5225
3.0
20
29
1600
ZMM5226
3.3
20
28
1600
ZMM5227
3.6
20
24
1700
ZMM5228
3.9
20
23
1900
ZMM5229
4.3
20
22
2000
ZMM5230
4.7
20
19
1900
ZMM5231
5.1
20
17
1600
ZMM5232
5.6
20
11
1600
ZMM5233
6.0
20
7.0
1600
ZMM5234
6.2
20
7.0
1000
ZMM5235
6.8
20
5.0
750
ZMM5236
7.5
20
6.0
500
ZMM5237
8.2
20
8.0
500
ZMM5238
8.7
20
8.0
600
ZMM5239
9.1
20
10
600
ZMM5240
10
20
17
600
ZMM5241
11
20
22
600
ZMM5242
12
20
30
600
ZMM5243
13
9.5
13
600
ZMM5244
14
9.0
15
600
ZMM5245
15
8.5
16
600
ZMM5246
16
7.8
17
600
ZMM5247
17
7.4
19
600
ZMM5248
18
7.0
21
600
ZMM5249
19
6.6
23
600
ZMM5250
20
6.2
25
600
ZMM5251
22
5.6
29
600
ZMM5252
24
5.2
33
600
ZMM5253
25
5.0
35
600
ZMM5254
27
4.6
41
600
ZMM5255
28
4.5
44
600
ZMM5256
30
4.2
49
600
ZMM5257
33
3.8
58
700
ZMM5258
36
3.4
70
700
ZMM5259
39
3.2
80
800
ZMM5260
43
3.0
93
900
ZMM5261
47
2.7
105
1000
For 3%,5%,10%,20% on Zener Voltage, Specify Suffix A,B,C,D
100
100
75
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
5.0
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
1.0
1.0
1.0
1.0
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
15
16
17
18
19
21
21
23
25
27
30
33
36
-0.085
-0.085
-0.080
-0.080
-0.075
-0.070
-0.065
-0.060
+/- 0.055
+/- 0.03
+/- 0.03
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
0.088
0.089
0.090
0.091
0.091
0.092
0.093
0.094
0.095
0.095
191.0
182.0
168.0
162.0
151.0
138.0
126.0
115.0
106.0
97.0
89.0
81.0
76.0
73.0
67.0
61.0
55.0
52.0
50.0
45.0
41.0
38.0
35.0
32.0
30.0
28.0
27.0
25.0
24.0
23.0
21.2
19.1
18.2
16.8
16.2
15.1
13.8
12.6
11.5
10.6
9.7
MIN MELF
(GLASS)
