FormosaMS
ZMM55C Series
Zener diode
Features
1. Small surface mounting type
2. High reliability
Applications
Voltage stabilization
Construction
Silicon epitaxial planar
Absolute Maximum Ratings
T
j
=25
o
C
Parameter
Power dissipation
Z-current
Junction temperature
Storage temperature range
Test Conditions
R
thJA
≤300K/W
Type
Symbol
P
V
I
Z
T
j
T
stg
Value
500
P
V
/V
Z
175
-65~+175
Unit
mW
mA
o
C
o
C
Maximum Thermal Resistance
T
j
=25
o
C
Parameter
Junction ambient
Test Conditions
on PC board 50mm×50mm×1.6mm
Symbol
R
thJA
Value
500
Unit
K/W
Electrical Characteristics
T
j
=25
o
C
Parameter
Forward voltage
Test Conditions
I
F
=200mA
Type
Symbol
V
F
Min
Typ
Max
1.5
Unit
V
FORMOSA MICROSEMI CO., LTD
FormosaMS
Type
ZMM55C.
2V4
2V7
3V0
3V3
3V6
3V9
4V3
4V7
5V1
5V6
6V2
6V8
7V5
8V2
9V1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
1)
ZMM55C Series
r
zjT
Ω
<85
<85
<90
<90
<90
<90
<90
<80
<60
<40
<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
r
zjK
at
Ω
<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
<700
<1000
<1000
<1000
<1500
I
ZK
mA
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
I
R
and I
R
at
uA
ΜA
2)
<50
<100
<10
<50
<4
<40
<2
<40
<2
<40
<2
<40
<1
<20
<0.5
<10
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<2
<0.1
<5
<0.1
<5
<0.1
<5
<0.1
<10
<0.1
<10
<0.1
<10
<0.1
<10
<0.1
<10
V
R
V
1
1
1
1
1
1
1
1
1
1
2
3
5
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
TK
VZ
%/K
-0.09~-0.06
-0.09~-0.06
-0.08~-0.05
-0.08~-0.05
-0.08~-0.05
-0.08~-0.05
-0.06~-0.03
-0.05~+0.02
-0.02~+0.02
-0.05~+0.05
0.03~0.06
0.03~0.07
0.03~0.07
0.03~0.08
0.03~0.09
0.03~0.1
0.03~0.11
0.03~0.11
0.03~0.11
0.03~0.11
0.03~0.11
0.03~0.11
0.03~0.11
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
V
Znom
V
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
62
68
75
I
ZT
for V
ZT
and
mA
V
1)
5
2.28~2.56
5
2.5~2.9
5
2.8~3.2
5
3.1~3.5
5
3.4~3.8
5
3.7~4.1
5
4.0~4.6
5
4.4~5.0
5
4.8~5.4
5
5.2~6.0
5
5.8~6.6
5
6.4~7.2
5
7.0~7.9
5
7.7~8.7
5
8.5~9.6
5
9.4~10.6
5
10.4~11.6
5
11.4~12.7
5
12.4~14.1
5
13.8~15.6
5
15.3~17.1
5
16.8~19.1
5
18.8~21.2
5
20.8~23.3
5
22.8~25.6
5
25.1~28.9
5
28~32
5
31~35
5
34~38
2.5
37~41
2.5
40~46
2.5
44~50
2.5
48~54
2.5
52~60
2.5
58~66
2.5
64~72
2.5
70~79
Tighter tolerances available request:
ZMM55A…
±1%
of V
Znom
ZMM55B…
±2%
of V
Znom
ZMM55F…
±3%
of V
Znom
ZMM55C…
±5%
of V
Znom
2)
at T
j
=150
o
C
FORMOSA MICROSEMI CO., LTD
FormosaMS
Characteristics
(T
j
=25
o
C unless otherwise specified)
ZMM55C Series
FORMOSA MICROSEMI CO., LTD
FormosaMS
ZMM55C Series
FORMOSA MICROSEMI CO., LTD
FormosaMS
Dimensions in mm
Cathode band
ZMM55C Series
Glass Case
Mini Melf / SOD 80
JEDEC DO 213 AA
FORMOSA MICROSEMI CO., LTD