1N825-2

1N821 MICROSEMI

Document overview

• Manufacturer or author: Provided By digicamel.com
• PDF pages: 3

Technical content

6.2 & 6.55 Volt Temperature Compensated Zener Reference Diodes Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 Page 1Copyright  2003 10-27-2003 REV C WWW.Microsemi .COM SCOTTSD A L E DIVISION 1N821 thru 1N829A-1 DO-7 1N821—1N829A-1 DESCRIPTION APPEARANCE The pop ular 1N821 th ru 1N829 series of Zero-TC Refe rence Diode s provides a selection of b oth 6.2 V and 6.55 V n ominal volta ges and temperature coeffici ents to as lo w as 0.0005%/ oC for minimal voltage change with temperature whe n operated at 7.5 m A. The se gl ass axial - leaded DO-7 reference diodes are also available in JAN, JANTX, JANTXV, and JANS m ilitary qualifications. Microsemi al so offers n umerous other Zener Reference Diode products for a variety of other voltages up to 200 V. IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com FEATURES APPLICATIONS / BENEFITS

• JEDEC registered 1N821 thru 1N829 series
• Internal metallurgical bonds
• Double anode option with 1N822 and 1N824 selection
• Reference voltage selection of 6.2 V & 6.55 V +/-5% with further tight tolerance options at nominal of 6.35 V
• 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 as well as the “-1” suffix, e.g. JANTX1N829-1, etc.
• Radiation Hardened devices available by changing “1N” prefix to “RH”, e.g. RH827, RH 829, RH829A, etc. Also consult factory for “RH” data sheet brochure
• Military surface mount equivalents also available in DO-213AA with UR-1 suffix and JAN, JANTX, or JANTXV prefix, e.g. JANTX1N829UR-1 (see separate data sheet)
• Also available in smaller axial-leaded DO-35 package (see separate data sheet)
• 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 voltage tolerances with nominal reference voltages of 6.35 V available by adding tolerance 1%, 2%, 3%, etc. after the part number for identification e.g. 1N827-2%, 1N829A -1%, 1N829- 1-1%, etc.
• Flexible axial-lead mounting terminals
• Nonsensitive to ESD per MIL-STD-750 Method 1020 MAXIMUM RATINGS MECHANICAL AND PACKAGING
• Operating & StorageTemperature: -65oC to +175oC
• DC Power Dissipation: 500 mW @ TL = 25oC 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 (maximum)
• CASE: Hermetically sealed glass case with DO-7 (DO-204AA) package
• TERMINALS: Tin-lead plated and solderable per MIL-STD-750, Method 2026
• MARKING: Part number and 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-296 (add “TR” suffix to part number)
• WEIGHT: 0.2 grams.
• See package dimensions on last page DO-7 (DO-204AA)

6.2 & 6.55 Volt Temperature Compensated Zener Reference Diodes Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 Page 3Copyright  2003 10-27-2003 REV C WWW.Microsemi .COM SCOTTSD A L E DIVISION 1N821 thru 1N829A-1 DO-7 1N821—1N829A-1 IZ – Operating Current (mA) ∆VZ – Change in Zener Voltage (mV) This curve in Figure 2 illustrates the change of diode voltage arising from the effect of impedance. It is in effect an exploded view of the zener operating region of the I-V characteristic. In conjunction with Figure 1, this curve can be used to estimate total voltage regulation under conditions of both varying temperature and current. FIGURE 2 TYPICAL CHANGE OF ZENER VOLTAGE WITH CHANGE IN OPERATING CURRENT DIMENSIONS All dimensions in INCH mm