ZMM55C(A)(B)(D)2V4
THRU
ZMM55C(A)(B)(D)75
SURFACE MOUNT ZENER DIODES
MINI-MELF SOD-80/DO-213AA
Standard Zener voltage tolerance is 5% AND
SUFFIX "ZMM55A" FOR 1%
SUFFIX "ZMM55B" FOR 2%
SUFFIX "ZMM55C" FOR 5%
SUFFIX "ZMM55D" FOR 20%
These diodes are also available in QUADRO MELF case
with the type designation ZMM55C(A)(B)(D)2V4.....
ZMM55C(A)(B)(D)75
0.146(3.70)
0.130(3.30)
0.063(1.60)
0.055(1.40)
Case: MINI MELF Molded Glass
0.020(0.50)
0.011(0.30)
0.020(0.50)
0.011(0.30)
Characteristic
Power Dissipation at Tamb=25
Z-current
Tremal Resistance Junction to Ambient Air
Maximum instantaneous forward
IF=10 mADC
voltage drop
IF=200 mADC
Junction temperature
Storage temperature range
Symbol
P
tot
Iz
R
th
J-A
Value
Units
W
0.51)
P
V
/V
Z
0.31)
0.9
1.5
175
-55 to+175
K/mW
Volts
VF
T
J
Tstg
1) Valid provided that leads are kept at ambient temperature at adistance of 8mm from case
ZENER DIODES ZMM55C(A)(B)(D)2V4 THRU ZMM55C(A)(B)(D)75
W
0.5
0.4
CHANGE IN THE POWER DISSIPATION DUE
TO THE AMBIENT TEMPERATURE
P
tot
0.3
0.2
0.1
0
0
25
50
75
100
125
150
175
200
AMBIENT TEMPERATURE
BREAKDOWN CHARACTERISTICS
50
40
0
5
10
15
20
25
30
V
Iz
30
20
10
0
6V8
6V8
6V2
6V2
5V6
5V6
5V1
5V1
4V7
4V7
4V7
4V3
4V3
3V9
3V9
3V3
3V3
15
15
11
11
11
12
12
24
24
24
2V4
2V4
2V4
20
20
20
22
22
22
27
27
27
9V1
9V1
Vz
2
ZENER DIODES ZMM55C(A)(B)(D)2V4 THRU ZMM55C(A)(B)(D)757
Nominal
Zener
Voltage
Vz at Izt
Volts
ZMM55C2V4
ZMM55C2V7
ZMM55C3V0
ZMM55C3V3
ZMM55C3V6
ZMM55C3V9
ZMM55C4V3
ZMM55C4V7
ZMM55C5V1
ZMM55C5V6
ZMM55C6V2
ZMM55C6V8
ZMM55C7V5
ZMM55C8V2
ZMM55C9V1
ZMM55C10
ZMM55C11
ZMM55C12
ZMM55C13
ZMM55C15
ZMM55C16
ZMM55C18
ZMM55C20
ZMM55C22
ZMM55C24
ZMM55C27
ZMM55C30
ZMM55C33
ZMM55C36
ZMM55C39
ZMM55C43
ZMM55C47
ZMM55C51
ZMM55C56
ZMM55C62
ZMM55C68
ZMM55C75
2.28-2.56
2.5-2.9
2.8-3.2
3.1-3.5
3.4-3.8
3.7-4.1
4.0-4.6
4.4-5.0
4.8-5.4
5.2-6.0
5.8-6.6
6.4-7.2
7.0-7.9
7.7-8.7
8.5-9.6
9.4-10.6
10.4-11.6
11.4-12.7
12.4-14.1
13.8-15.6
15.3-17.1
16.8-19.1
18.8-21.2
20.8-23.3
22.8-25.6
25.1-28.9
28-32
31-35
34-38
37-41
40-46
44-50
48-54
52-60
58-66
64-72
70-79
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
85
85
85
85
85
85
75
60
35
25
10
8
7
7
10
15
20
20
26
30
40
50
55
55
80
80
80
80
80
90
90
110
125
135
150
200
250
600
600
600
600
600
600
600
600
550
450
200
150
50
50
50
70
70
90
110
110
170
170
220
220
220
220
220
220
220
500
600
700
1000
1000
1000
1000
1500
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
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
Test
Current
IzT
Maximum Zener Impedance
Z
Z
T at I
Z
T
Z
Z
K at I
Z
K
IzK
Maximum Reverse
Leakage Current
IR
A
50
10
4
Test
Voltage
Suffix B
Device
Type
Typical
Temperature
coefficient
%/
-0.070
-0.070
-0.070
-0.065
-0.060
-0.050
-0.025
-0.010
-0.015
-0.025
+0.035
+0.045
+0.050
+0.050
+0.060
+0.070
+0.070
+0.070
+0.070
+0.070
+0.070
+0.070
+0.070
+0.070
+0.080
+0.080
+0.080
+0.080
+0.080
+0.080
+0.080
+0.080
+0.080
+0.080
+0.080
+0.080
+0.080
Maximum
Regulator
Current
IzM
Volts
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
5.0
6.0
7.0
7.5
8.5
9.0
10
11
12
14
15
17
18
20
22
24
27
30
33
36
39
43
47
51
56
150
135
125
115
105
95
90
85
80
70
64
58
53
47
43
40
36
32
29
27
24
21
20
18
16
14
13
12
11
10
9.2
8.5
2
2
2
1
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
0.1
0.1
0.1
0.1
0.1
1)
STANDARD VOLTAGE TOLERANCE IS
SUFFIX "ZMM55A" FOR 1%
SUFFIX "ZMM55B"X FOR 2%
SUFFIX "ZMM55C" FOR 5%
SUFFIX "ZMM55D" FOR 20%
5% AND
1.STANDARS ZENER DIODE 500mW
Vz TOLERANCE= 5%
2.ZMM=ZENER MINI MELF
3.Vz of zener diode, V code is instead of
decimal point. E.g., 3V6=3.6V
4.MEASURED WITH PULSES Tp=20mSec.
3
51mcu
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