D
S18014 Rev. C-2 1 of 3 BZX85C2V7-BZX85C75
BZX85C2V7 - BZX85C75
1.3W ZENER DIODE
Features
Case: DO-41, Glass
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: Cathode Band
Approx. Weight: 0.35 grams
Very Sharp Edge in Reverse Characteristics
Low Reverse Current Level
Very High Stability
Low Noise
Mechanical Data
Characteristic
Symbol
Value
Unit
Test Condition
Power Dissipation
P
d
1.3
W
Lead length = 4mm, T
L
= 25C
Thermal Resistance, Junction to Ambient Air
R
JA
110
K/W
Lead length = 4mm T
L
= constant
Forward Voltage
V
F
1.0
V
I
F
= 200mA
Operating and Storage Temperature Range
T
j
, T
STG
-65 to +175
C
A
A
B
C
D
DO-41 Glass
Dim
Min
Max
A
25.40
--
B
--
4.70
C
--
0.863
D
--
2.71
All Dimensions in mm
Maximum Ratings
@ T
A
= 25C unless otherwise specified
D
S18014 Rev. C-2 2 of 3 BZX85C2V7-BZX85C75
Type
Number
Nominal Zener Voltage
Zener Voltage
Range
Zener
Impedance
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
@ V
R
(V)
(mA)
(V)
(
)
(
)
(mA)
(A)
(V)
(%/K)
BZX85C2V7
2.7
80
2.5 to 2.9
< 20
< 400
1.0
< 150
1.0
-0.08 to -0.05
BZX85C3V0
3.0
80
2.8 to 3.2
< 20
< 400
1.0
< 100
1.0
-0.08 to -0.05
BZX85C3V3
3.3
80
3.1 to 3.5
< 20
< 400
1.0
< 40
1.0
-0.08 to -0.05
BZX85C3V6
3.6
60
3.4 to 3.8
< 20
< 500
1.0
< 20
1.0
-0.08 to -0.05
BZX85C3V9
3.9
60
3.7 to 4.1
< 15
< 500
1.0
< 10
1.0
-0.07 to -0.02
BZX85C4V3
4.3
50
4.0 to 4.6
< 13
< 500
1.0
< 3.0
1.0
-0.07 to -0.01
BZX85C4V7
4.7
45
4.4 to 5.0
< 13
< 600
1.0
< 3.0
1.0
-0.03 to +0.04
BZX85C5V1
5.1
45
4.8 to 5.4
< 10
< 500
1.0
< 1.0
1.5
-0.01 to + 0.04
BZX85C5V6
5.6
45
5.2 to 6.0
< 7.0
< 400
1.0
< 1.0
2.0
0 to +0.045
BZX85C6V2
6.2
35
5.8 to 6.6
< 4.0
< 300
1.0
< 1.0
3.0
+0.01 to 0.055
BZX85C6V8
6.8
35
6.4 to 7.2
< 3.5
< 300
1.0
< 1.0
4.0
+0.015 to 0.06
BZX85C7V5
7.5
35
7.0 to 7.9
< 3.0
< 200
0.5
< 1.0
4.5
+0.02 to 0.065
BZX85C8V2
8.2
25
7.7 to 8.7
< 5.0
< 200
0.5
< 1.0
6.2
0.03 to 0.07
BZX85C9V1
9.1
25
8.5 to 9.6
< 5.0
< 200
0.5
< 1.0
6.8
0.035 to 0.075
BZX85C10
10
25
9.4 to 10.6
< 7.0
< 200
0.5
< 0.5
7.0
0.04 to 0.08
BZX85C11
11
20
10.4 to 11.6
< 8.0
< 300
0.5
< 0.5
8.2
0.045 to 0.08
BZX85C12
12
20
11.4 to 12.7
< 9.0
< 350
0.5
< 0.5
9.1
0.045 to 0.085
BZX85C13
13
20
12.4 to 14.1
< 10
< 400
0.5
< 0.5
10
0.05 to 0.085
BZX85C15
15
15
13.8 to 15.6
< 15
< 500
0.5
< 0.5
11
0.055 to 0.09
BZX85C16
16
15
15.3 to 17.1
< 15
< 500
0.5
< 0.5
12
0.055 to 0.09
BZX85C18
18
15
16.8 to 19.1
< 20
< 500
0.5
< 0.5
13
0.06 to 0.09
BZX85C20
20
10
18.8 to 21.2
< 24
< 600
0.5
< 0.5
15
0.06 to 0.09
BZX85C22
22
10
20.8 to 23.3
< 25
< 600
0.5
< 0.5
16
0.06 to 0.095
BZX85C24
24
10
22.8 to 25.6
< 25
< 600
0.5
< 0.5
18
0.06 to 0.095
BZX85C27
27
8.0
25.1 to 28.9
< 30
< 750
0.25
< 0.5
20
0.06 to 0.095
BZX85C30
30
8.0
28 to 32
< 30
< 1000
0.25
< 0.5
22
0.06 to 0.095
BZX85C33
33
8.0
31 to 35
< 35
< 1000
0.25
< 0.5
24
0.06 to 0.095
BZX85C36
36
8.0
34 to 38
< 40
< 1000
0.25
< 0.5
27
0.06 to 0.095
BZX85C39
39
6.0
37 to 41
< 50
< 1000
0.25
< 0.5
30
0.06 to 0.095
BZX85C43
43
6.0
40 to 46
< 50
< 1000
0.25
< 0.5
33
0.06 to 0.095
BZX85C47
47
4.0
44 to 50
< 90
< 1500
0.25
< 0.5
36
0.06 to 0.095
BZX85C51
51
4.0
48 to 54
< 115
< 1500
0.25
< 0.5
39
0.06 to 0.095
BZX85C56
56
4.0
52 to 60
< 120
< 2000
0.25
< 0.5
43
0.06 to 0.095
BZX85C62
62
4.0
58 to 66
< 125
< 2000
0.25
< 0.5
47
0.06 to 0.095
BZX85C68
68
4.0
64 to 72
< 130
< 2000
0.25
< 0.5
51
0.06 to 0.095
BZX85C75
75
4.0
70 to 79
< 135
< 2000
0.25
< 0.5
56
0.06 to 0.095
Electrical Characteristics
@ T
A
= 25C unless otherwise specified
D
S18014 Rev. C-2 3 of 3 BZX85C2V7-BZX85C75
1
10
100
1000
1
10
100
DIFFERENTIAL
ZENER
IMPEDAN
C
E
(
)
V , ZENER VOLTAGE (V)
Fig. 4 Differential Zener Impedance vs. Zener Voltage
Z
I = 1.0mA
Z
2.0mA
10mA
20mA
5.0mA
1
10
100
1000
0
10
20
30
40
50
60
C,
D
I
O
DE
CAP
ACIT
ANCE
(pF)
j
V , ZENER VOLTAGE, (V)
Fig.3, Diode Capacitance vs Zener Voltage
Z
f = 1MHz
T = 25C
A
V = 0V
R
V = 2V
R
V = 5V
R
V = 20V
R
V = 30V
R
0
50
100
150
200
250
0
5
10
15
20
25
30
R
,
THERMAL
RE
S
I
S
T
ANCE
(K/W)
qJA
l, LEAD LENGTH (mm)
Fig. 2, Thermal Resistance vs Lead Length
0
0.4
0.8
1.2
1.6
2.0
-50
0
50
100
150
200
P,
P
O
WER
DISSIP
AT
I
O
N
(/W)
D
T , AMBIENT TEMPERATURE (C)
Fig. 1, Power Disssipation vs Ambient Temperature
A
l = 4mm
l = 10mm
l = 20mm
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