1N821 1N821 is a Zener diode from Microchip Technology in a DO-35 through-hole package.
Mfr Part #:

1N821

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
1N821 is a Zener diode from Microchip Technology in a DO-35 through-hole package.
Total Stock: 294 pcs

1N821 Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
208 pcs
208 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
86 pcs
86 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

1N821 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Lead Style
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SVHC Present
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1N821 Description

Short technical summary and product information.

The 1N821 is a Zener diode packaged in a DO-35 (DO-204AH) through-hole package. It is designed for through-hole mounting onto PCBs.

1N821 Quick Information

Product Type: Zener Diode
Canonical Name: 1N821 Zener Diode
Subcategory: Single Zener Diode

1N821 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

1N821 Features

  • Through hole mounting for easy board insertion.
  • DO-35 (DO-204AH) package.
  • Zener diode for voltage regulation.

1N821 Applications

  • Used for voltage regulation in electronic circuits.
  • Designed for through-hole PCB mounting.

1N821 FAQs

2 frequently asked questions generated from this part’s specifications.
What is the package type of the 1N821?

The 1N821 is available in a DO-35 (DO-204AH) package.

What is the mounting type of the 1N821?

The 1N821 has through hole mounting.

1N821 Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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1N5241BTR
1N5241BTR
On Semiconductor
1N5241BTR is a 11V Zener diode from On Semiconductor with 500mW power dissipation, ±5% tolerance, in a DO-35 through-hole package.
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1N5247BTR
1N5247BTR
On Semiconductor
1N5247BTR is a 17V Zener diode from On Semiconductor with 500mW power dissipation. It features ±5% tolerance and is housed in a DO-35 through-hole package.
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1N5230
1N5230
Microchip Technology
The 1N5230 is a 4.7V Zener diode from Microchip Technology, rated for 500mW power dissipation with ±5% tolerance. It comes in a DO-35 through-hole package.
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