1N829A

1N829A Datasheet

1N821 thru 1N829A-1 DO-35

Part	Datasheet
1N829A	1N829A (pdf)

Related Parts	Information
1N828	1N828
1N823	1N823
1N829	1N829
1N827A	1N827A
1N821A	1N821A
1N825	1N825
1N821A, SEL. 1% VBR	1N821A, SEL. 1% VBR
1N822	1N822
1N824-E3	1N824-E3
1N823A	1N823A
1N825A	1N825A
1N821A (DO35)	1N821A (DO35)
1N825 (DO35)	1N825 (DO35)
1N825A (DO35)	1N825A (DO35)
1N827A (DO35)	1N827A (DO35)
1N824	1N824
1N829A (DO35)	1N829A (DO35)
1N826	1N826
1N827	1N827

PDF Datasheet Preview
.COM SCOTTSDALE DIVISION 1N821 thru 1N829A-1 DO-35 & Volt Temperature Compensated Zener Reference Diodes The popular 1N821 thru 1N829A series of Zero-TC Reference Diodes provides a selection of both V and V nominal voltages and temperature coefficients to as low as 0.0005%/oC for minimal voltage change with temperature when operated at mA. These glass axialleaded DO-35 reference diodes are optionally available with an internalmetallurgical-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. APPEARANCE DO-35 DO-204AH IMPORTANT For the most current data, consult MICROSEMI’s website: • JEDEC registered 1N821 thru 1N829 series • Internal metallurgical bond option available by adding a “-1” suffix • Reference voltage selection of V & V +/-5% with further tight tolerance options at lower voltage • 1N821, 823, 825, 827 and 829 also have 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. • Military surface mount equivalents also available in DO-213AA by adding UR-1 suffix and the JAN, JANTX, and JANTXV prefix, e.g. JANTX1N829UR-1 see separate data sheet • Also available in DO-7 package including military qualifications up to JANS see separate data sheet • JANS equivalent available in DO-35 via SCD APPLICATIONS / BENEFITS • 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 V by adding designated tolerance such as 1%, 2%, 3%, etc. after the part number for identification e.g. 1N827-2%, 1N829A-1-1%, 1N829-1-1%, etc. • Flexible axial-lead mounting terminals • Nonsensitive to ESD per MIL-STD-750 Method 1020 • Typical low capacitance of 100 pF or less MAXIMUM RATINGS • Operating Temperatures -65oC to +175oC • Storage Temperatures -65oC to +175oC • DC Power Dissipation 500 mW TL = 25oC and maximum current IZM of 70 mA. NOTE For optimum voltage-temperature stability, IZ = mA less than 50 mW in dissipated power • Solder Temperatures 260oC for 10 s max MECHANICAL AND PACKAGING • CASE Hermetically sealed glass case. DO-35 DO-204AH package • TERMINALS Leads, tin-lead plated 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 grams. • See package dimensions on last page 1N821, A, -1 thru 1N829A-1 DO-35 Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, 480 941-6300, Fax 480 947-1503 .COM SCOTTSDALE DIVISION 1N821 thru 1N829A-1 DO-35 & Volt Temperature Compensated Zener Reference Diodes *ELECTRICAL CHARACTERISTICS 25oC, unless otherwise specified JEDEC TYPE NUMBER Add a “-1” suffix for internal metallurgical bond. When ordering devices with tighter tolerances than specified for the VZ voltage nominal of V, add a hyphened suffix to the part number for desired tolerance, e.g. 1N827-1-2%, 1N829-1-1%, 1N829A-1%, 1N829A-1-1%, etc. Zener impedance is measured by superimposing mA ac rms on mA dc 25oC. The maximum allowable change observed over the entire temperature range i.e., the diode voltage will not exceed the specified mV change at any discrete temperature between the established limits. Voltage measurements to be performed 15 seconds after application of dc current. 1N821, 1N823, 1N825, 1N827, and 1N829 also have qualification to MIL-PRF-19500/159 by adding the JAN, JANTX, or JANTXV prefix to part numbers as well as the “-1” suffix e.g. JANTX1N827-1, JANTXV1N829-1, etc. 1N821, A, -1 thru 1N829A-1 DO-35 Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, 480 941-6300, Fax 480 947-1503 Change in temperature coefficient %/oC Change in temperature coefficient mV/oC Change in Zener Voltage mV .COM SCOTTSDALE DIVISION 1N821 thru 1N829A-1 DO-35 & Volt Temperature Compensated Zener Reference Diodes GRAPHS IZ Operating Current mA FIGURE 2 TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT. The curve shown in Figure 2 is typical of the diode series and greatly simplifies the estimation of the Temperature Coefficient TC when the diode is operated at currents other than 7.5mA. EXAMPLE A diode in this series is operated at a current of 7.5mA and has specified Temperature Coefficient TC limits of +/-0.005%/oC. To obtain the typical Temperature Coefficient limits for this same diode operated at a current of 6.0mA, the new TC limits %/oC can be estimated using the graph in FIGURE At a test current of 6.0mA the change in Temperature Coefficient TC is approximately The algebraic sum of +/-0.005%oC and 0.0006%/oC gives the new estimated limits of +0.0044%/oC and -0.0056%/oC. IZ Operating Current mA FIGURE 3 TYPICAL CHANGE OF ZENER VOLTAGE WITH CHANGE IN OPERATING CURRENT This curve in Figure 3 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 2, this curve can be used to estimate total voltage regulation under conditions of both varying temperature and current. DIMENSIONS 1N821, A, -1 thru 1N829A-1 DO-35 All dimensions in INCH mm Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, 480 941-6300, Fax 480 947-1503

PDF Datasheet Preview

.COM

SCOTTSDALE DIVISION
1N821 thru 1N829A-1 DO-35
& Volt Temperature Compensated Zener Reference Diodes

The popular 1N821 thru 1N829A series of Zero-TC Reference Diodes provides a selection of both V and V nominal voltages and temperature coefficients to as low as 0.0005%/oC for minimal voltage change with temperature when operated at mA. These glass axialleaded DO-35 reference diodes are optionally available with an internalmetallurgical-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.

APPEARANCE

DO-35 DO-204AH

IMPORTANT For the most current data, consult MICROSEMI’s website:
• JEDEC registered 1N821 thru 1N829 series
• Internal metallurgical bond option available by adding a “-1” suffix
• Reference voltage selection of V & V +/-5% with further tight tolerance options at lower voltage
• 1N821, 823, 825, 827 and 829 also have 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.
• Military surface mount equivalents also available in DO-213AA by adding UR-1 suffix and the JAN, JANTX, and JANTXV prefix, e.g. JANTX1N829UR-1 see separate data sheet
• Also available in DO-7 package including military qualifications up to JANS see separate data sheet
• JANS equivalent available in DO-35 via SCD

APPLICATIONS / BENEFITS
• 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 V by adding designated tolerance such as 1%, 2%, 3%, etc. after the part number for identification e.g. 1N827-2%, 1N829A-1-1%, 1N829-1-1%, etc.
• Flexible axial-lead mounting terminals
• Nonsensitive to ESD per MIL-STD-750 Method 1020
• Typical low capacitance of 100 pF or less

MAXIMUM RATINGS
• Operating Temperatures -65oC to +175oC
• Storage Temperatures -65oC to +175oC
• DC Power Dissipation 500 mW TL = 25oC and
maximum current IZM of 70 mA. NOTE For optimum voltage-temperature stability, IZ = mA less than 50 mW in dissipated power
• Solder Temperatures 260oC for 10 s max

MECHANICAL AND PACKAGING
• CASE Hermetically sealed glass case. DO-35 DO-204AH package
• TERMINALS Leads, tin-lead plated 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 grams.
• See package dimensions on last page
1N821, A, -1 thru 1N829A-1 DO-35

Microsemi

Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, 480 941-6300, Fax 480 947-1503
.COM

SCOTTSDALE DIVISION
1N821 thru 1N829A-1 DO-35
& Volt Temperature Compensated Zener Reference Diodes
*ELECTRICAL CHARACTERISTICS 25oC, unless otherwise specified

JEDEC TYPE NUMBER
Add a “-1” suffix for internal metallurgical bond. When ordering devices with tighter tolerances than specified for the VZ voltage nominal of V, add a hyphened suffix to the part number for desired tolerance, e.g. 1N827-1-2%, 1N829-1-1%, 1N829A-1%, 1N829A-1-1%, etc. Zener impedance is measured by superimposing mA ac rms on mA dc 25oC. The maximum allowable change observed over the entire temperature range i.e., the diode voltage will not exceed the specified mV change at any discrete temperature between the established limits. Voltage measurements to be performed 15 seconds after application of dc current.
1N821, 1N823, 1N825, 1N827, and 1N829 also have qualification to MIL-PRF-19500/159 by adding the JAN, JANTX, or

JANTXV prefix to part numbers as well as the “-1” suffix e.g. JANTX1N827-1, JANTXV1N829-1, etc.
1N821, A, -1 thru 1N829A-1 DO-35

Microsemi

Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, 480 941-6300, Fax 480 947-1503

Change in temperature coefficient %/oC Change in temperature coefficient mV/oC

Change in Zener Voltage mV
.COM

SCOTTSDALE DIVISION
1N821 thru 1N829A-1 DO-35
& Volt Temperature Compensated Zener Reference Diodes

GRAPHS

IZ Operating Current mA

FIGURE 2 TYPICAL CHANGE OF TEMPERATURE COEFFICIENT

WITH CHANGE IN OPERATING CURRENT.

The curve shown in Figure 2 is typical of the diode series and greatly simplifies the estimation of the Temperature Coefficient TC when the diode is operated at currents other than 7.5mA.

EXAMPLE A diode in this series is operated at a current of 7.5mA and has specified Temperature Coefficient TC limits of +/-0.005%/oC. To obtain the typical Temperature Coefficient limits for this same diode operated at a current of 6.0mA, the new TC limits %/oC can be estimated using the graph in FIGURE At a test current of 6.0mA the change in Temperature Coefficient TC is approximately The algebraic sum of +/-0.005%oC and 0.0006%/oC gives the new estimated limits of +0.0044%/oC and -0.0056%/oC.

IZ Operating Current mA

FIGURE 3 TYPICAL CHANGE OF ZENER VOLTAGE WITH CHANGE IN OPERATING CURRENT

This curve in Figure 3 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 2, this curve can be used to estimate total voltage regulation under conditions of both varying temperature and current.

DIMENSIONS
1N821, A, -1 thru 1N829A-1 DO-35

All dimensions in INCH mm

Microsemi

Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, 480 941-6300, Fax 480 947-1503

More datasheets: 1N823A | 1N825A | 1N821A (DO35) | 1N825 (DO35) | 1N825A (DO35) | 1N827A (DO35) | 1N824 | 1N829A (DO35) | 1N826 | 1N827

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Datasheet ID: 1N829A 648578