Absolute Maximum Ratings*
Symbol
Parameter
PD
Power Dissipation
TSTG
Storage Temperature Range
TJ
Tolerance: C = 5%
TA = 25°C unless otherwise noted
Value
Units
500
mW
-65 to +200
°C
Maximum Junction Operating Temperature
+ 200
°C
Lead Temperature (1/16” from case for 10
seconds)
Surge Power**
+ 230
°C
30
W
*These ratings are limiting values above which the serviceability of the diode may be impaired.
**Non-recurrent square wave PW= 8.3 ms, TA= 50 degrees C.
DO-35
COLOR BAND DENOTES CATHODE
NOTES:
1) These ratings are based on a maximum junction temperature of 200 degrees C.
2) These are steady state limits. The factory should be consulted on applications involving pulsed
or low duty cycle operations.
Electrical Characteristics
Device
BZX55C 3V3
BZX55C 3V6
BZX55C 3V9
BZX55C 4V3
BZX55C 4V7
BZX55C 5V1
BZX55C 5V6
BZX55C 6V2
BZX55C 6V8
BZX55C 7V5
BZX55C 8V2
BZX55C 9V1
BZX55C 10
BZX55C 11
BZX55C 12
BZX55C 13
BZX55C 15
BZX55C 16
BZX55C 18
BZX55C 20
BZX55C 22
BZX55C 24
BZX55C 27
BZX55C 30
BZX55C 33
VF
VZ(V)
MIN MAX
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 21.1
20.8 23.3
22.8 25.6
25.1 28.9
28.0 32.0
31.0 35.0
Ω)@ IZ(mA)
ZZ(Ω
85
85
85
75
60
35
25
10
8.0
7.0
7.0
10
15
20
20
26
30
40
50
55
55
80
80
80
80
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
TA = 25°C unless otherwise noted
Ω) @IZK(mA) IR1(µ
µA)@VR(V)
ZZK(Ω
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
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
2.0
1.0
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
5.0
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
IR2(µµA)@VR(V)
TA= 150°°C
40
1.0
40
1.0
40
1.0
20
1.0
10
1.0
2.0
1.0
2.0
1.0
2.0
2.0
2.0
3.0
2.0
5.0
2.0
6.2
2.0
6.8
2.0
7.5
2.0
8.2
2.0
9.1
2.0
10
2.0
11
2.0
12
2.0
13
2.0
15
2.0
16
2.0
18
2.0
20
2.0
22
2.0
24
TC
(%/°°C)
- 0.060
- 0.055
- 0.050
- 0.040
- 0.020
+0.010
+0.025
+0.032
+0.040
+0.045
+0.048
+0.050
+0.055
+0.060
+0.065
0.070
0.070
0.075
0.075
0.080
0.080
0.080
0.085
0.085
0.085
IZRM
(mA)
115
105
95
90
85
80
70
64
58
53
47
43
40
36
32
29
27
24
21
20
18
16
14
13
12
Foward Voltage = 1.0 V Maximum @ IF = 100 mA for all BZX 55 series
2001 Fairchild Semiconductor Corporation
BZX55 Series Rev. C
Zeners (BZX55C 3V3 - BZX55C 33)
Zeners
BZX55C 3V3 - BZX55C 33
(continued)
Typical Characteristics
35
5000
25
Z Z - IMPEDANCE (ohms)
V Z - ZENER VOLTAGE (V)
30
TA = 25º C
20
15
V Z = 12.0V
10
V Z = 5.1V
5
1
2
V Z = 3.3V
5
10
I Z- ZENER CURRENT (mA)
20
200
100
50
30
V Z - ZENER VOLTAGE (V)
4
T A = -25º C
TA = 25º C
3
TA = 85º C
T A = 100 º C
T A= 125 º C
2
5
10
I Z- ZENER CURRENT (mA)
20
5 TA = 100º C
TA = -25º C
1
TA = 85º C
TA = 100 º C
5
0
1
2
5
10
I Z - ZENER CURRENT (mA)
20
30
12 Zener Voltage vs. Zener Temperature
2001 Fairchild Semiconductor Corporation
2
5
10
I Z - ZENER CURRENT (mA)
20
30
5.1 Zener Voltage vs. Temperature
V Z = 33.0V
TA = 125º C
TA = 25º C
TA = 85º C
T A = 25º C
4.5
30
V Z - ZENER VOLTAGE (V)
V Z - ZENER VOLTAGE (V)
10 T = -25º C
A
20
TA = 125º C
40
V Z = 12.0V
10
V Z = 5.1V
3.3 Zener Voltage vs. Temperature
15
0.5
1
2
5
I Z - ZENER CURRENT (mA)
5.5
4
1
0.2
Zener Current vs. Zener Impedence
V Z = 3.3V
2
V Z = 33.0V
20
10 V Z = 12.0V
5
6
5
V Z - ZENER VOLTAGE (V)
2000
1000
500 V Z = 3.3V
2
1
0.1
Zener Current vs. Zener Voltage
1
TA = 25º C
V Z = 5.1V
V Z = 33.0V
TA = 100º C
TA = 125º C
35
30 TA = -25º C
T A = 25º C
TA = 85º C
25
20
1
2
5
10
I Z - ZENER CURRENT (mA)
20
30
33 Zener Voltage vs. Zener Temperature
BZX55 series Rev. C
Zeners (BZX55C 3V3 - BZX55C 33)
Zeners (BZX55C 3V3 - BZX55C 33)
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PRODUCT STATUS DEFINITIONS
Definition of Terms
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Definition
Advance Information
Formative or
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This datasheet contains the design specifications for
product development. Specifications may change in
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First Production
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Rev. H4