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DO-7

1N991B

Microchip Technology

-65℃~+175℃ 1 Independent 180V 2.2kΩ 500mW 5uA@136.8V ±5% DO-7 Zener Diodes

Extended
DatasheetJLCPCBLCSCmicrochip/1N991B
Category
Zener Diodes
Package
DO-7
Pins
5

Overview

The 1N991B is a zener Diode made by Microchip Technology in a DO-7 package with 2 pins. -65℃~+175℃ 1 Independent 180V 2.2kΩ 500mW 5uA@136.8V ±5% DO-7 Zener Diodes.

PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C7168661).

Symbol

Device:D_ZenerFrom KiCad's library

Footprint

The library has no footprint for this part yet.

Parameters

8
Diode Configuration
1 Independent
Impedance(Zzk)
7.1kΩ
Impedance(Zzt)
2.2kΩ
Operating Junction Temperature Range
-65℃~+175℃
Pd - Power Dissipation
500mW
Reverse Leakage Current (Ir)
5uA@136.8V
Tolerance
±5%
Zener Voltage(Nom)
180V

Order codes

1

Pinout

2
The pins of the 1N991B
PinNameType
1KPassive
2APassive

Questions

Is there a KiCad symbol and footprint for the 1N991B?

Yes. The symbol is Device:D_Zener, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 1N991B?

DO-7, with 2 pins.

Where is the 1N991B datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the 1N991B?

JLCPCB lists it as part C7168661, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 1N991B?

Parts like it in the library: the SZ45B8 by LGE, the 1SMB5955B by onsemi, the 2EZ180D5 by SUNMATE Elec and the 1SMB5955B by Diodes Incorporated. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8