ZMM55C Series
Zener diode
Features
1. Small surface mounting type
2. High reliability
Applications
Voltage stabilization
Absolute Maximum Ratings
T
j
=25℃
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
℃
℃
Maximum Thermal Resistance
T
j
=25℃
Parameter
Junction ambient
Test Conditions
on PC board 50mm×50mm×1.6mm
Symbol
R
thJA
Value
500
Unit
K/W
Stresses exceeding maximum ratings may damage the device. Maximum ratings are stress ratings only. Functional operation above the
recommended operating conditions is not implied. Extended exposure to stresses above the recommended operating conditions may
affect device reliability.
Electrical Characteristics
T
j
=25℃
Parameter
Forward voltage
Test Conditions
I
F
=200mA
Type
Symbol
V
F
Min
Typ
Max
1.5
Unit
V
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Rev. 3e, 1-Nov-2006
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ZMM55C Series
Type
V
Znom
I
ZT
for V
ZT
and
ZMM55C
V
mA
V
1)
2V0
2.0
5
1.9~2.1
2V2
2.2
5
2.09~2.31
2V4
2.4
5
2.28~2.56
2V7
2.7
5
2.5~2.9
3V0
3.0
5
2.8~3.2
3V3
3.3
5
3.1~3.5
3V6
3.6
5
3.4~3.8
3V9
3.9
5
3.7~4.1
4V3
4.3
5
4.0~4.6
4V7
4.7
5
4.4~5.0
5V1
5.1
5
4.8~5.4
5V6
5.6
5
5.2~6.0
6V2
6.2
5
5.8~6.6
6V8
6.8
5
6.4~7.2
7V5
7.5
5
7.0~7.9
8V2
8.2
5
7.7~8.7
9V1
9.1
5
8.5~9.6
10
10
5
9.4~10.6
11
11
5
10.4~11.6
12
12
5
11.4~12.7
13
13
5
12.4~14.1
15
15
5
13.8~15.6
16
16
5
15.3~17.1
18
18
5
16.8~19.1
20
20
5
18.8~21.2
22
22
5
20.8~23.3
24
24
5
22.8~25.6
27
27
5
25.1~28.9
30
30
5
28~32
33
33
5
31~35
36
36
5
34~38
39
39
2.5
37~41
43
43
2.5
40~46
47
47
2.5
44~50
51
51
2.5
48~54
56
56
2.5
52~60
62
62
2.5
58~66
68
68
2.5
64~72
75
75
2.5
70~79
82
82
2.5
77~87
91
91
1.0
85~96
100
100
1.0
94~106
1)
Tighter tolerances available request:
ZMM55B…
±2%
of V
Znom
2)
r
zjT
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
<125
<135
<150
<200
<250
<300
<450
<450
r
zjK
at
Ω
<600
<600
<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
<2000
<5000
<5000
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
1
1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.1
0.1
I
R
and I
R
at
μA
μA
2)
<150 <300
<150 <300
<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
<0.1
<10
<0.1
<10
<0.1
<10
V
R
V
1
1
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
62
68
75
TK
VZ
%/K
-0.09~-0.06
-0.09~-0.06
-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
0.04~0.12
0.04~0.12
0.04~0.12
at T
j
=150℃
Excel Semiconductor
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FaxBack +86-512-66607370
Rev. 3e, 1-Nov-2006
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ZMM55C Series
Characteristics
(T
j
=25℃ unless otherwise specified)
Figure 1. Total Power Dissipation vs. Ambient
Temperature
Figure 4. Typical Change of Working Voltage Vs.
Junction Temperature
Figure 2. Typical Change of Working Voltage under
Operating Conditions at T
amb
=25℃
Figure 5. Temperature Coefficient of Vz vs. Z-Voltage
Figure 3. Diode Capacitance vs. Z-voltage
Excel Semiconductor
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Rev. 3e, 1-Nov-2006
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ZMM55C Series
Figure 6. Forward Current vs. Forward Voltage
Figure 8. Z-Current vs. Z-Voltage
Figure 7. Z-Current vs. Z-Voltage
Figure 9. Differential Z-Resistance Vz vs. Z-Voltage
Figure 10. Thermal Response
Excel Semiconductor
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FaxBack +86-512-66607370
Rev. 3e, 1-Nov-2006
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ZMM55C Series
Dimensions in mm
Cathode identification
0.3
3.5±0.2
Glass Case
Mini Melf / SOD-80
JEDEC DO-213 AA
Excel Semiconductor
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FaxBack +86-512-66607370
Rev. 3e, 1-Nov-2006
5/5
Φ1.5±0.1
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