Surface Mount Zener Diode
ZMM55C Series
RoHS Compliant Product
A suffix of "-C" specifies halogen & lead-free
Electrical Characteristics
( T
A
= 25
℃
unless otherwise specified)
Zener Voltage Range (Note 2)
Type
Number
ZMM55C2V0
ZMM55C2V2
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
Min
V
1.9
2.1
2.2
2.5
2.8
3.1
3.4
3.7
4.0
4.4
4.8
5.2
5.8
6.4
7.0
7.7
8.5
9.4
10.4
11.4
12.4
13.8
15.3
16.8
18.8
20.8
22.8
25.1
28
31
34
37
40
44
48
52
V
Z
Nom
V
2.0
2.2
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
Max
V
2.1
2.3
2.6
2.9
3.2
3.5
3.8
4.1
4.6
5.0
5.4
6.0
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14.1
15.8
17.1
19.1
21.2
23.3
25.6
28.9
32.0
35.0
38.0
41.0
46.0
50.0
54.0
60.0
@I
ZT
mA
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
5
5
2.5
2.5
2.5
2.5
2.5
Maximum
Zener Impedance (Note 3)
Z
ZT
@I
ZT
Ω
100
100
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
100
135
Z
ZK
@I
ZK
Ω
mA
1.0
600
600
1.0
600
1.0
600
1.0
600
1.0
600
1.0
600
1.0
600
1.0
600
1.0
600
1.0
550
1.0
1.0
450
200
1.0
150
1.0
50
1.0
50
1.0
50
1.0
70
1.0
70
1.0
90
1.0
110
1.0
110
1.0
170
1.0
170
1.0
220
1.0
220
1.0
220
1.0
1.0
220
1.0
220
220
1.0
1.0
220
1.0
500
600
1.0
700
1.0
750
1.0
1000
1.0
Maximum
Reverse Current
(Note 2)
500mW
Temperature
Coefficient of
Zener Voltage
@ I
ZT
= 5 mA
mV /
℃
I
R
@ V
R
V
μ
A
1.0
50
50
1.0
50
1.0
10
1.0
4
1.0
2
1.0
1.0
2
2
1.0
1.0
1
0.5
1.0
0.1
1.0
0.1
1.0
0.1
2.0
0.1
3.0
0.1
5.0
0.1
6.0
0.1
7.0
0.1
7.5
0.1
8.5
9.0
0.1
0.1
10
0.1
11
0.1
12
0.1
14
0.1
15
0.1
17
0.1
18
0.1
20
0.1
22
0.1
24
27
0.1
0.1
30
0.1
33
0.1
36
0.1
38
0.1
42
Min
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-2.7
-2.0
0.4
1.2
2.5
3.2
3.8
4.5
5.4
6.0
7.0
9.2
10.4
12.4
14.4
16.4
18.4
21.4
24.4
27.4
30.4
33.4
10.0
10.0
10.0
10.0
Max
0
0
0
0
0
0
0
0
0
0.2
1.2
2.5
3.7
4.5
5.3
6.2
7.0
8.0
9.0
10.0
11.0
13.0
14.0
16.0
18.0
20.0
22.0
25.3
29.4
33.4
37.4
41.2
12.0
12.0
12.0
12.0
Standard Voltage Tolerance is ± 5 % and :
Suffix “A” for ±
1
%
Suffix “B” for ±
2
%
Suffix “C” for ±
5
%
Suffix “D” for ± 20 %
Measured with Pulses Tp=40m Sec
http://www.SeCoSGmbH.com/
21-Aug-2007 Rev.B
Any changing of specification will not be informed individual
Page 1 of
2
Absolute Maximum Ratings
Items
Symbol
Value
Unit
P
TOT
500 *
mW
Power Dissipation at Tamb=25℃
Junction Temperature
T
J
175
℃
Storage Temperature Range
T
STG
-65 ~ +175
℃
* Valid provided that leads at a distance of 10mm from case are kept at ambient temperature
Characteristic at Tamb=25℃
Items
Symbol
Min.
Typ.
Max.
Unit
Thermal Resistance Junctiobn to Ambient Air
-
-
0.3 *
K / mW
RθJA
Forward Voltage @ I
F
=200mA
V
F
-
-
1.0
V
* Valid provided that leads at a distance of 10mm from case are kept at ambient temperature
Breakdown Characteristics
mA
50
ZMM55 Series
25
30V
5
10
15
20
I
Z
40
30
20
10
0
Test currrent
Iz=5mA
27
pd (mW)
power dissipation
Mechanical Data
Items
Materials
Package
Mini MELF
Case
Hermeticall sealed glass
Lead Finish
Solder Plating
Packaging Dimensions (mm)
Symbol
Min
Max
A
3.302
3.505
B
1.397
1.499
C
0.350
0.500
http://www.SeCoSGmbH.com/
21-Aug-2007 Rev.B
6V8
5V1
4V3
3V9
3V3
9V1
500
400
300
200
100
50 100 150 200 250
Ta (℃)
11
Change in the power dissipation
due to the ambient temperature.
Ambient Temperature.
15
20
24
V
Z
MINI MELF
B
A
C
Dimensions in mm
Any changing of specification will not be informed individual
Page
2
of
2
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