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MLL823 Datasheet(PDF) 1 Page - Microsemi Corporation |
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MLL823 Datasheet(HTML) 1 Page - Microsemi Corporation |
1 / 3 page 6.2 & 6.55 Volt Temperature Compensated Surface Mount Zener Reference Diodes SCOTTSD A L E DIVISION 1N821UR thru 1N829AUR-1 (or MLL821 thru MLL829-1) DESCRIPTION APPEARANCE 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%/oC 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 “-1” 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. DO-213AA IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com FEATURES APPLICATIONS / BENEFITS • Surface mount equivalent of JEDEC registered 1N821 thru 1N829 series • Internal metallurgical bond option available by adding a “-1” suffix • Reference voltage selection of 6.2 V & 6.55 V +/-5% with further tight tolerance options at lower voltage • 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 “-1” suffix; e.g. JANTX1N829- 1, etc. • 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) • JANS equivalent available in DO-213AA via SCD • Provides minimal voltage changes over a broad temperature range • For instrumentation and other circuit designs requiring a stable voltage reference • Maximum temperature coefficient selections available from 0.01%/ºC to 0.0005%/ºC • 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. • Small surface-mount footprint • Nonsensitive to ESD per MIL-STD-750 Method 1020 • Typical low capacitance of 100 pF or less MAXIMUM RATINGS MECHANICAL AND PACKAGING • Operating Temperatures: -65 oC to +175oC • Storage Temperatures: -65 oC to +175oC • DC Power Dissipation: 500 mW @ TL = 25 oC and maximum current IZM of 70 mA. NOTE: For optimum voltage-temperature stability, IZ = 7.5 mA (less than 50 mW in dissipated power) • Solder Temperatures: 260 oC for 10 s (max) • 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 “TR” suffix to part number) • WEIGHT: 0.04 grams. • See package dimensions on last page Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 Page 1 Copyright 2003 12-19-2003 REV A |
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