1N821UR thru 1N829AUR-1
(or MLL821 thru MLL829-1)
SCOTTSDALE DIVISION
6.2 & 6.55 Volt Temperature Compensated
Surface Mount Zener Reference Diodes
DESCRIPTION
The 1N821UR thru 1N829AUR-1 series of surface mount 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%/
o
C for minimal
voltage change with temperature when operated at 7.5 mA. These glass
surface mount DO-213AA (MELF) reference diodes are optionally available
with an internal-metallurgical-bond by adding a 鈥?1鈥?suffix. This type of
bonded Zener package construction is also available in JAN, JANTX, and
JANTXV military qualifications. Microsemi also offers numerous other
Zener Reference Diode products for a variety of other voltages up to 200 V.
IMPORTANT:
For the most current data, consult
MICROSEMI鈥檚
website:
http://www.microsemi.com
APPEARANCE
WWW .
Microsemi
.C
OM
DO-213AA
FEATURES
鈥?/div>
Surface mount equivalent of JEDEC registered
1N821 thru 1N829 series
鈥?/div>
Internal metallurgical bond option available by adding
a 鈥?1鈥?suffix
鈥?/div>
Reference voltage selection of 6.2 V & 6.55 V +/-5%
with further tight tolerance options at lower voltage
鈥?/div>
1N821, 823, 825, 827 and 829 also have surface
mount qualification to MIL-PRF-19500/159 by adding
the JAN, JANTX, or JANTXV prefixes to part
numbers a well as the 鈥?1鈥?suffix; e.g. JANTX1N829-
1, etc.
鈥?/div>
Axial-leaded equivalents also available in DO-35 or
DO-7 without the UR suffix (see separate data sheet)
including military qualifications up to JANS for DO-7
(see separate data sheet)
鈥?/div>
JANS equivalent available in DO-213AA via SCD
APPLICATIONS / BENEFITS
鈥?/div>
Provides minimal voltage changes over a broad
temperature range
鈥?/div>
For instrumentation and other circuit designs
requiring a stable voltage reference
鈥?/div>
Maximum temperature coefficient selections available
from 0.01%/潞C to 0.0005%/潞C
鈥?/div>
Tight reference voltage tolerances available with
center nominal value of 6.15 V by adding designated
tolerance such as 1%, 2%, 3%, etc. after the part
number for identification
e.g. 1N827UR-2%, 1N829AUR-1-1%, etc.
鈥?/div>
Small surface-mount footprint
鈥?/div>
Nonsensitive to ESD per MIL-STD-750 Method 1020
鈥?/div>
Typical low capacitance of 100 pF or less
MAXIMUM RATINGS
鈥?/div>
鈥?/div>
鈥?/div>
Operating Temperatures: -65
o
C to +175
o
C
Storage Temperatures: -65
o
C to +175
o
C
DC Power Dissipation: 500 mW @ T
L
= 25
o
C and
maximum current I
ZM
of 70 mA. NOTE: For
optimum voltage-temperature stability, I
Z
= 7.5 mA
(less than 50 mW in dissipated power)
Solder Temperatures: 260
o
C for 10 s (max)
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
MECHANICAL AND PACKAGING
CASE: Hermetically sealed glass case. DO-213AA
package
TERMINALS: Leads, tin-lead plated solderable per
MIL-STD-750, Method 2026
MARKING: Cathode band (except double anode
1N822 and 1N824)
POLARITY: Reference diode to be operated with
the banded end positive with respect to the
opposite end
TAPE & REEL option: Standard per EIA-481-B with
12 mm tape, 2000 per 7 inch reel or 5000 oer 13
inch reel (add 鈥淭R鈥?suffix to part number)
WEIGHT: 0.04 grams.
See package dimensions on last page
鈥?/div>
1N821UR thru
1N829AUR-1
鈥?/div>
鈥?/div>
鈥?/div>
Copyright
铮?/div>
2003
12-19-2003 REV A
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
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