1N821, A, -1 thru 1N829, A, -1 DO-7
6.2 & 6.55 Volt Temperature Compensated
Zener Reference Diodes
S C O T T S D A L E D I V I S I O N
DESCRIPTION
APPEARANCE
The popular 1N821 thru 1N829 series of Zero-TC Reference Diodes
provides a selection of both 6.2 V and 6.55 V nominal voltages and
temperature coefficients to as low as 0.0005%/oC for minimal voltage
change with temperature when operated at 7.5 mA. These glass axial-
leaded DO-7 reference diodes are also available in JAN, JANTX, JANTXV,
and JANS military qualifications. Microsemi also offers numerous other
Zener Reference Diode products for a variety of other voltages up to 200 V.
DO-7
(DO-204AA)
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
APPLICATIONS / BENEFITS
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JEDEC registered 1N821 thru 1N829 series
Internal metallurgical bonds
Zener Voltage selection of 6.2V and 6.55V
1N821, 823, 825, 827 and 829 also have
military qualification to MIL-PRF-19500/159 up
to the JANS level by adding JAN, JANTX,
JANTXV, or JANS prefixes to part numbers a
well as the “-1” suffix, e.g. JANTX1N829-1, etc.
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Provides minimal voltage changes over a broad
temperature range for instrumentation and
other circuit designs requiring a voltage
reference
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Temperature coefficient selections available
from 0.01%/ºC to 0.0005%/ºC
Tight voltage tolerances with nominal voltage of
6.35 V available by adding tolerance 1%, 2%,
3%, etc. after the part number for identification
e.g. 1N827 2%, 1N829A 1%, etc
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Military surface mount equivalents also
available in DO-213AA with UR-1 suffix and
JAN, JANTX, or JANTXV prefix, e.g.
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Flexible axial-lead mounting terminals
JANTX1N829UR-1 (see separate data sheet)
Nonsensitive to ESD per MIL-STD-750 Method
1020
Also available in DO-35 package (see separate
data sheet)
MAXIMUM RATINGS
MECHANICAL AND PACKAGING
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Operating & StorageTemperature: -65oC to
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CASE: Hermetically sealed glass case with
+175oC
DO-7 (DO-204AA) package
DC Power Dissipation: 500 mW @ TL = 25oC
NOTE: For optimum voltage-temperature
stability, IZ = 7.5 mA (less than 50 mW in
dissipated power)
TERMINALS: Leads, tin-lead plated solderable
per MIL-STD-750, Method 2026
MARKING: Part number and cathode band
(except double anode 1N822 and 1N824)
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Solder temperatures: 260 oC for 10 s
(maximum)
POLARITY: Reference diode to be operated
with the banded end positive with respect to the
opposite end
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TAPE & REEL option: Standard per EIA-296
(add “TR” suffix to part number)
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WEIGHT: 0.2 grams.
See package dimensions on last page
Copyright 2003
Microsemi
Page 1
7-30-2003 REV A
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503