DS18013 Rev. 3 - 3
1 of 3
BZX55C2V4-BZX55C75
BZX55C2V4 - BZX55C75
500mW
ZENER
DIODE
Features
Case: DO-35, Glass
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: Cathode Band
Approx. Weight: 0.13 grams
Very Sharp Reverse Characteristic
Low Reverse Current Level
Very High Stability
Low Noise
Mechanical Data
Characteristic
Symbol
Value
Unit
Test Condition
Power Dissipation
P
d
500
mW
Lead length = 4.0mm, T
L
= 25C
Zener Current
I
Z
P
d
/V
Z
mA
Thermal Resistance, Junction to Ambient Air
R
q
JA
300
K/W
Lead length = 4.0mm, T
L
= constant
Forward Voltage
V
F
1.5
V
I
F
= 200mA
Operating and Storage Temperature Range
T
j,
T
STG
-65 to +175
C
A
A
B
C
D
DO-35
Dim
Min
Max
A
25.40
--
B
--
4.00
C
--
0.60
D
--
2.00
All Dimensions in mm
Maximum Ratings
@ T
A
= 25C unless otherwise specified
NOT RECOMMENDED FOR NEW DESIGNS -
USE 1N5221B - 1N5267B
DS18013 Rev. 3 - 3
2 of 3
BZX55C2V4-BZX55C75
Type
Number
Nominal Zener
Voltage
Zener Voltage
Range
Zener
Impedanc
e
Zener Impedance
Leakage Current @ V
R
Temperature
Coefficient
V
Z
@ I
ZT
V
Z
@ I
ZT
Z
ZT
@ I
ZT
Z
ZT
@ I
ZK
I
R
@
T=25C
I
R
@
T=150C
V
R
(V)
(mA)
(V)
(W)
(W)
(mA)
(A)
(A)
(V)
(%/K)
BZX55C2V4
2.4
5.0
2.28 to 2.56
< 85
< 600
1.0
< 50
< 100
1.0
-0.09 to -0.06
BZX55C2V7
2.7
5.0
2.5 to 2.9
< 85
< 600
1.0
< 10
< 50
1.0
-0.09 to -0.06
BZX55C3V0
3.0
5.0
2.8 to 3.2
< 85
< 600
1.0
< 4.0
< 40
1.0
-0.08 to -0.05
BZX55C3V3
3.3
5.0
3.1 to 3.5
< 85
< 600
1.0
< 2.0
< 40
1.0
-0.08 to -0.05
BZX55C3V6
3.6
5.0
3.4 to 3.8
< 85
< 600
1.0
< 2.0
< 40
1.0
-0.08 to -0.05
BZX55C3V9
3.9
5.0
3.7 to 4.1
< 85
< 600
1.0
< 2.0
< 40
1.0
-0.08 to -0.05
BZX55C4V3
4.3
5.0
4.0 to 4.6
< 75
< 600
1.0
< 1.0
< 20
1.0
-0.06 to - 0.03
BZX55C4V7
4.7
5.0
4.4 to 5.0
< 60
< 600
1.0
< 0.5
< 10
1.0
-0.05 to +0.02
BZX55C5V1
5.1
5.0
4.8 to 5.4
< 35
< 550
1.0
< 0.1
< 2.0
1.0
-0.02 to + 0.02
BZX55C5V6
5.6
5.0
5.2 to 6.0
< 25
< 450
1.0
< 0.1
< 2.0
1.0
-0.05 to +0.05
BZX55C6V2
6.2
5.0
5.8 to 6.6
< 10
< 200
1.0
< 0.1
< 2.0
2.0
0.03 to 0.06
BZX55C6V8
6.8
5.0
6.4 to 7.2
< 8.0
< 150
1.0
< 0.1
< 2.0
3.0
0.03 to 0.07
BZX55C7V5
7.5
5.0
7.0 to 7.9
< 7.0
< 50
1.0
< 0.1
< 2.0
5.0
0.03 to 0.07
BZX55C8V2
8.2
5.0
7.7 to 8.7
< 7.0
< 50
1.0
< 0.1
< 2.0
6.2
0.03 to 0.08
BZX55C9V1
9.1
5.0
8.5 to 9.6
< 10
< 50
1.0
< 0.1
< 2.0
6.8
0.03 to 0.09
BZX55C10
10
5.0
9.4 to 10.6
< 15
< 70
1.0
< 0.1
< 2.0
7.5
0.03 to 0.10
BZX55C11
11
5.0
10.4 to 11.6
< 20
< 70
1.0
< 0.1
< 2.0
8.2
0.03 to 0.11
BZX55C12
12
5.0
11.4 to 12.7
< 20
< 90
1.0
< 0.1
< 2.0
9.1
0.03 to 0.11
BZX55C13
13
5.0
12.4 to 14.1
< 26
< 110
1.0
< 0.1
< 2.0
10
0.03 to 0.11
BZX55C15
15
5.0
13.8 to 15.6
< 30
< 110
1.0
< 0.1
< 2.0
11
0.03 to 0.11
BZX55C16
16
5.0
15.3 to 17.1
< 40
< 170
1.0
< 0.1
< 2.0
12
0.03 to 0.11
BZX55C18
18
5.0
16.8 to 19.1
< 50
< 170
1.0
< 0.1
< 2.0
13
0.03 to 0.11
BZX55C20
20
5.0
18.8 to 21.2
< 55
< 220
1.0
< 0.1
< 2.0
15
0.03 to 0.11
BZX55C22
22
5.0
20.8 to 23.3
< 55
< 220
1.0
< 0.1
< 2.0
16
0.04 to 0.12
BZX55C24
24
5.0
22.8 to 25.6
< 80
< 220
1.0
< 0.1
< 2.0
18
0.04 to 0.12
BZX55C27
27
5.0
25.1 to 28.9
< 80
< 220
1.0
< 0.1
< 2.0
20
0.04 to 0.12
BZX55C30
30
5.0
28 to 32
< 80
< 220
1.0
< 0.1
< 2.0
22
0.04 to 0.12
BZX55C33
33
5.0
31 to 35
< 80
< 220
1.0
< 0.1
< 2.0
24
0.04 to 0.12
BZX55C36
36
5.0
34 to 38
< 80
< 220
1.0
< 0.1
< 2.0
27
0.04 to 0.12
BZX55C39
39
2.5
37 to 41
< 90
< 500
0.5
< 0.1
< 5.0
30
0.04 to 0.12
BZX55C43
43
2.5
40 to 46
< 90
< 600
0.5
< 0.1
< 5.0
33
0.04 to 0.12
BZX55C47
47
2.5
44 to 50
< 110
< 700
0.5
< 0.1
< 5
36
0.04 to 0.12
BZX55C51
51
2.5
48 to 54
< 125
< 700
0.5
< 0.1
< 10
39
0.04 to 0.12
BZX55C56
56
2.5
52 to 60
< 135
< 1000
0.5
< 0.1
< 10
43
0.04 to 0.12
BZX55C62
62
2.5
58 to 66
< 150
< 1000
0.5
< 0.1
< 10
47
0.04 to 0.12
BZX55C68
68
2.5
64 to 72
< 200
< 1000
0.5
< 0.1
< 10
51
0.04 to 0.12
BZX55C75
75
2.5
70 to 79
< 250
< 1500
0.5
< 0.1
< 10
56
0.04 to 0.12
Electrical Characteristics
@ T
A
= 25C unless otherwise specified
NOT RECOMMENDED FOR NEW DESIGNS -
USE 1N5221B - 1N5267B
DS18013 Rev. 3 - 3
3 of 3
BZX55C2V4-BZX55C75
R
,
T
H
E
R
M
A
L
R
E
S
I
S
T
A
N
C
E
J
U
N
C
T
I
O
N
T
O
A
M
B
I
E
N
T
(
K
/
W
)
q
J
A
0
100
200
300
400
500
0
5
10
15
20
l, LEAD LENGTH (mm)
Fig. 2, Thermal Resistance vs Lead Length
0
50
100
150
200
0
5
10
15
20
25
C
,
D
I
O
D
E
C
A
P
A
C
I
T
A
N
C
E
(
p
F
)
j
V , ZENER VOLTAGE (V)
Z
Fig. 3, Diode Capacitance vs Zener Voltage
V = 2V
R
T = 25C
j
1
10
100
1000
0
5
10
15
20
25
D
I
F
F
E
R
E
N
T
I
A
L
Z
E
N
E
R
R
E
S
I
S
T
A
N
C
E
(
W
)
V , ZENER VOLTAGE (V)
Z
Fig. 4, Differential Zener Impedance
I = 1mA
Z
5mA
10mA
T = 25C
j
0
100
200
300
400
500
0
40
80
120
160
200
P
,
T
O
T
A
L
P
O
W
E
R
D
I
S
S
I
P
A
T
I
O
N
(
m
W
)
d
T , AMBIENT TEMPERATURE
A
Fig.1, Power Dissipation vs Ambient Temperature
NOT RECOMMENDED FOR NEW DESIGNS -
USE 1N5221B - 1N5267B
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