(SEE REVERSE SIDE)
R0
1N821A THRU 1N829A
TEMPERATURE COMPENSATED
ZENER DIODE
JEDEC DO-35 CASE
DATA SHEE
T
DESCRIPTION
The CENTRAL SEMICONDUCTOR 1N821A Series types are temperature compensated Zener Diodes designed for
applications where long-term stability is required.
MAXIMUM RATINGS (TA=50°C unless otherwise noted)
SYMBOL
UNITS
Power Dissipation PD 500 mW
Operating and Storage
Junction Temperature TJ,Tstg -65 to +175 °C
Tolerance ±5 %
ELECTRICAL CHARACTERISTICS (TA=25°C unless otherwise noted)
ZENER ZENER MAXIMUM VOLTAGE TEMPERATURE
TYPE
NO. VOLTAGE TEST ZENER TEMPERATURE COEFFICIENT**
CURRENT IMPEDANCE STABILITY*
VZ @ IZT I
ZT Z
ZT @ IZT ∆
∆∆
∆ VZ MAX
Volts mA Ω
Ω Ω
Ω
mV %/°C
1N821A 6.20 7.5 10 96 0.01
1N823A 6.20 7.5 10 48 0.005
1N825A 6.20 7.5 10 19 0.002
1N827A 6.20 7.5 10 9.0 0.001
1N829 6.20 7.5 15 5.0 0.0005
1N829A 6.20 7.5 10 5.0 0.0005
*The maximum allowable change observed over the temperature range of –55°C to +100°C.
**Typical value
1N821A SERIES TEMPERATURE COMPENSATED ZENER DIODE
DO-35 PACKAGE - MECHANICAL OUTLINE
R1
A
C
B
D
D
MINMAXMINMAX
A 0.018 0.022 0.46 0.56
B 0.120 0.200 3.05 5.08
C 0.060 0.090 1.52 2.29
D 1.000 - 25.40 -
DO-35 (REV: R1)
DIMENSIONS
SYMBOL
INCHES MILLIMETERS
