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Discrete POWER & Signal
Technologies
BZX79C 3V3 - 33 Series Half Watt Zeners
Absolute Maximum Ratings* TA = 25°C unless otherwise noted
Parameter
Value
Units
Storage Temperature Range
Maximum Junction Operating Temperature
Lead Temperature (1/16” from case for 10 seconds)
Total Device Dissipation
Derate above 25°C
Surge Power**
-65 to +200
+ 200
+ 230
500
4.0
30
°C
°C
°C
mW
mW /°C
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.
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.
Tolerance: C = 5%
DO-35
Electrical Characteristics TA = 25°C unless otherwise noted
Device
VZ*
(V)
MIN MAX
ZZ
()
@
IZT
(mA)
ZZK @ IZT
() (mA)
BZX79C 3V3 3.1 3.5 95 5.0 600 1.0
BZX79C 3V6 3.4 3.8 90 5.0 600 1.0
BZX79C 3V9 3.7 4.1 90 5.0 600 1.0
BZX79C 4V3 4.0 4.6 90 5.0 600 1.0
BZX79C 4V7 4.4 5.0 80 5.0 500 1.0
BZX79C 5V1 4.8 5.4 60 5.0 480 1.0
BZX79C 5V6 5.2 6.0 40 5.0 400 1.0
BZX79C 6V2 5.8 6.6 10 5.0 150 1.0
BZX79C 6V8 6.4 7.2 15 5.0 80 1.0
BZX79C 7V5 7.0 7.9 15 5.0 80 1.0
BZX79C 8V2
BZX79C 9V1
BZX79C 10
BZX79C 11
BZX79C 12
7.7
8.5
9.4
10.4
11.4
8.7
9.6
10.6
11.6
12.7
15
15
20
20
25
5.0 80 1.0
5.0 100 1.0
5.0 150 1.0
5.0 150 1.0
5.0 150 1.0
BZX79C 13 12.4 14.1
BZX79C 15 13.8 15.6
BZX79C 16 15.3 17.1
BZX79C 18 16.8 19.1
BZX79C 20 18.8 21.2
30
30
40
45
55
5.0 170 1.0
5.0 200 1.0
5.0 200 1.0
5.0 225 1.0
5.0 225 1.0
BZX79C 22 20.8 23.3
BZX79C 24 22.8 25.6
BZX79C 27 25.1 28.9
BZX79C 30
28
32
BZX79C 33
31
35
55
70
80
80
80
5.0 250 1.0
5.0 250 1.0
2.0 300 0.5
2.0 300 0.5
2.0 325 0.5
VF Foward Voltage = 1.5 V Maximum @ IF = 100 mA for all BZX 79 series
*Pulse Test: Pulse Width £ 300 ms, Duty Cycle £ 2.0%
VR @ IR
(V) (µA)
1.0 25
1.0 15
1.0 10
1.0 5.0
2.0 3.0
2.0 2.0
2.0 1.0
4.0 3.0
4.0 2.0
5.0 1.0
5.0 0.7
6.0 0.5
7.0 0.2
8.0 0.1
8.0 0.1
8.0 0.10
10.5 0.05
11.2 0.05
12.6 0.05
14 0.05
15.4 0.05
16.8 0.05
18.9 0.05
21 0.05
23.1 0.05
TC
(mV/°C)
MIN MAX
- 3.5
- 3.5
- 3.5
- 3.5
- 3.5
- 2.7
- 2.0
+ 0.4
+ 1.2
+ 2.5
+ 3.2
+ 3.8
+ 4.5
+ 5.4
+ 6.0
- 7.0
- 9.2
+ 10.4
+ 12.4
+ 14.4
+ 16.4
+ 18.4
+ 21.4
+ 24.4
+ 27.4
0.0
0.0
+ 0.3
+ 1.0
+ 0.2
+ 1.2
+ 2.5
+ 3.7
+ 4.5
+ 5.3
+ 6.2
+ 7.0
+ 8.0
+ 9.0
+ 10
+ 11
+ 13
+ 14
+ 16
+ 18
+ 20
+ 22
+ 25.3
+ 29.4
+ 33.4
ã 1997 Fairchild Semiconductor Corporation

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