Zener (1N5231C)
1N5231C Rev. C12004 Fairchild Semiconductor Corporation
Absolute Maximum Ratings* T
A
= 25°C unless otherwise noted
Tolerance = 2%
Electrical Characteristics T
A
= 25°C unless otherwise noted
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.
*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.
Zener
1N5231C

Symbol

Parameter

Value

Units
P
D
Power Dissipation
Derate above 75°C
500
4.0
mW
mW/°C
T
STG
Storage Temperature Range -65 to +200 °C
T
J
Maximum Junction Operating Temperature + 200 °C
Lead Temperature (1/16” from case for 10
seconds)
+ 230 °C
Surge Power** 10 W
DO-35
COLOR BAND DENOTES CATHODE
Symbol

Parameter
Test Conditions Min. Max. Units
V
Z
Zener Voltage I
Z
= 20mA 5.0 5.2 V
Z
Z
Zener Impedance I
Z
= 20mA 17 Ω
Z
ZK
Zener Knee Impedance I
ZK
= 0.25mA 1.6K Ω
I
R
Reverse Current V
R
= 2.0V 5.0 µA
V
F
Forward Voltage I
F
= 0.2A 1.1 V