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1N821 thru 1N829A
Temperature Compensated Zener Diodes
Features
■ Temperature compensated zener diodes
■ Metallurgically bonded
■ Double plug construction
Maximum Ratings
(TA = 25°C unless otherwise noted)
Parameter
Operating Temperature
Storage Temperature
DC Power Dissipation
Power Derating
Symbol
TJ
TSTG
PTOT
Conditions Ratings
TA = 50°C
TA > 50°C
-65 to +175
-65 to +175
500
4.0
Package: DO-35
Unit
°C
°C
mW
mW/°C
Electrical Characteristics (TA=25°C unless otherwise noted)
MPN
Zener
Voltage
VZ@ IZT
Zener Test
Current
IZT
Maximum
Zener
Impedance
(Note 1)
ZZT
Voltage
Temperature
Stability ∆VZT
-55°C to +100°C
(Note 2)
1N821
1N821A
1N822 †
1N823
1N823A
1N824 †
1N825
1N825A
1N826
1N827
1N827A
1N828
1N829
1N829A
V
5.9—6.5
5.9—6.5
5.9—6.5
5.9—6.5
5.9—6.5
5.9—6.5
5.9—6.5
5.9—6.5
6.2—6.9
5.9—6.5
5.9—6.5
6.2—6.9
5.9—6.5
5.9—6.5
mA
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
Ω
15
10
15
15
10
15
15
10
15
15
10
15
15
10
mV
96
96
96
48
48
48
19
19
20
9
9
10
5
5
Effective
Temperature
Coefficient
% / °C
0.01
0.01
0.01
0.005
0.005
0.005
0.002
0.002
0.002
0.001
0.001
0.001
0.0005
0.0005
NOTE 1 Zener impedance is derived by superimposing on lZT A 60Hz rms a.c. current equa to 10% of lZT.l
NOTE 2 The maximum allowable change observed over the entire temperature range i.e.,the diode voltage will not exceed the
specified mV at any discrete temperature between the established limits, per JEDEC standard No. 5.
† Double Anode: Electrical Specifications Apply Under Both Bias Polarities.
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1N821 thru 1N829A
Temperature Compensated Zener Diodes
Ratings and Characteristics Curves (TA = 25°C unless otherwise noted)
Figure 1. Power Derating Curve
Figure 2. Zener Impedance vs. Opeating Current
Figure 3. Typical Change of Temperature
Coefficient with Change in Operating Current
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