Zener Diodes
Named after Clarence M. Zener (1905 -
1993) by Bell Labs.
Webster’s Dictionary:
a silicon
semiconductor device used especially as a
voltage regulator
Zener Diode Parameters
V
Z
is given at a specified current
I
ZT
Δ
V=r
z
Δ
I
r
z
is the dynamic resistance (Ideally
zero)
V
Z
in the range of a few volts to a few
hundred volts
V
Z
=V
ZO
+r
z
I
z
(
I
>
I
ZK
)
V
ZO
is the intersection of the linear C/Cs
with the voltage-axis
≅
V
ZK
I
ZK
is the minimum current to sustain
breakdown operation
Circuit symbol
for a zener
diode.
The diode
i-v
characteristic with the
breakdown region shown in some detail.
Model for the
zener diode.

This ** preview** has intentionally

**sections.**

*blurred***to view the full version.**

*Sign up*