描述 Description

The 1N821UR-1 – 1N829AUR-1 series of surface mount temperature compensated reference diodes provides both 6.2 V and 6.55 V nominal voltages and temperature coefficients as low as 0.0005 %/o C at a Zener test current of 7.5 mA. These glass surface mount DO-213AA (MELF) reference diodes are optionally available as RoHS compliant for commercial applications. This type of bonded Zener package construction is also available in JAN, JANTX, JANTXV and JANS military qualifications (RoHS compliant option not applicable). Microchip also offers other Zener Reference Diode products for a variety of voltages up to 200 V.

特性 Features

Surface mount equivalent of JEDEC registered 1N821 – 1N829 series
Zener impedance values of 10 ohms and 15 ohms are available
Reference voltage selection of 6.2 V & 6.55 V +/-5% with further tight tolerance options on commercial at lower voltage
(Excludes 1N826 and 1N828.) Temperature compensated
Internal metallurgical bond
Double plug construction
JAN, JANTX, JANTXV and JANS qualification per MIL-PRF-19500/159 available on 1N821-1, 823- 1, 825-1, 827-1 and 829-1
RoHS compliant versions available (commercial grade only)
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 of 1%, 2%, 3%, etc, available on commercial with center nominal value of 6.2 V by special request
(Excludes 1N826 and 1N828.) Small surface-mount footprint
Non-sensitive to ESD per MIL-STD-750 method 1020
Typical low capacitance of 100 pF or less.

簡介

1N821UR-1屬于分立半導(dǎo)體產(chǎn)品的二極管-齊納-單。由制造生產(chǎn)的1N821UR-1二極管 - 齊納 - 單齊納二極管可用于以反向擊穿模式工作，并根據(jù)以這種方式使用時的行為來分類。這些器件可用作電壓基準(zhǔn)或限壓用途，還可以用作類似于整流二極管的單向電流閥，但它們在這種模式下的性能通常不如專用器件理想。該系列產(chǎn)品的每個器件封裝恰好實現(xiàn)該功能的一個實例。