1N821 thru 1N829A
and
• 1N821-1,1N823-1,1N825-1,1N827-1 AND 1N829-1 AVAILABLE IN JAN
,
JANTX, JANTXV
AND JANS PER MIL-PRF-19500/159
1N821-1 thru 1N829-1
• TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
• METALLURGICALLY BONDED
• DOUBLE PLUG CONSTRUCTION
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
DC Power Dissipation: 500mW @ +50°C
Power Derating: 4 mW / °C above +50°C
REVERSE LEAKAGE CURRENT
lR = 2µA @ 25°C & VR = 3 Vdc
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified.
JEDEC
TYPE
NUMBER
ZENER
VOLTAGE
ZENER
TEST
CURRENT
MAXIMUM
ZENER
IMPEDANCE
(Note 1)
VOLTAGE
TEMPERATURE
STABILITY
EFFECTIVE
TEMPERATURE
COEFFICIENT
v
@ I
I
∆V
z
ZT
ZT
ZT
Z
-55° to +100°
ZT
FIGURE 1
(Note 2)
VOLTS
mA
OHMS
mV
% / °C
1N821
1N821A
1N822 †
5.9—6.5
5.9—6.5
5.9—6.5
7.5
7.5
7.5
15
10
15
96
96
96
0.01
0.01
0.01
DESIGN DATA
1N823
1N823A
1N824 †
5.9—6.5
5.9—6.5
5.9—6.5
7.5
7.5
7.5
15
10
15
48
48
48
0.005
0.005
0.005
CASE: Hermetically sealed glass
1N825
1N825A
1N826
5.9—6.5
5.9—6.5
6.2—6.9
7.5
7.5
7.5
15
10
15
19
19
20
0.002
0.002
0.002
case. DO – 35 outline.
LEAD MATERIAL: Copper clad steel.
LEAD FINISH: Tin / Lead
1N827
1N827A
1N828
5.9—6.5
5.9—6.5
6.2—6.9
7.5
7.5
7.5
15
10
15
9
9
10
0.001
0.001
0.001
POLARITY: Diode to be operated with
the banded (cathode) end positive.
1N829
1N829A
5.9—6.5
5.9—6.5
7.5
7.5
15
10
5
5
0.0005
0.0005
MOUNTING POSITION: Any.
† Double Anode: Electrical Specifications Apply Under Both Bias Polarities.
NOTE 1 Zener impedance is derived by superimposing on l A 60Hz rms a.c. current equal
ZT
to 10% of l
.
ZT
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.
22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071
WEBSITE: http://www.cdi-diodes.com
FAX (781) 665-7379
E-mail: mail@cdi-diodes.com
CDI-DIODE [ COMPENSATED DEUICES INCORPORATED ]
