BZM55C Series
Zener Diodes
MINI-MELF
Features
Small surface mounting type
High reliability
Cathode indification
φ
.5±0.1
1
3.4
+0.3
-0.1
0.4±0.1
Applications
Voltage stabilization
Dimensions in millimeters
Construction
Silicon epitaxial planar
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
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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mail:lge@luguang.cn
BZM55C Series
Zener Diodes
Type
BZM55C
2V0
2V2
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)
V
Znom
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
62
68
75
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
2.5
2.5
2.5
for V
ZT
and
1)
V
1.9~2.1
2.09~2.31
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
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
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
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
I
R
and I
R
at
2)
μA
μA
<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
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
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
Tighter tolerances available request:
BZM5C…
±5%
of V
Znom
BZM5B
…
±
2% of VZnom
2)
at T
j
=150℃
http://www.luguang.cn
mail:lge@luguang.cn
BZM55C Series
Zener Diodes
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
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mail:lge@luguang.cn
BZM55C Series
Zener Diodes
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
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mail:lge@luguang.cn