1N4108 1N4108 is a 400 mW Zener diode with ±5% tolerance and 200 Ω maximum impedance. Surface mount in DO-213AA package.
Mfr Part #:

1N4108

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
1N4108 is a 400 mW Zener diode with ±5% tolerance and 200 Ω maximum impedance. Surface mount in DO-213AA package.
Total Stock: 49 pcs

1N4108 Available from 1 distributor

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49 pcs
49 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

1N4108 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Current - Reverse Leakage @ Vr
Impedance (Max) (Zzt)
Mounting Type
Operating Temperature
Package / Case
Power
Power - Max
Supplier Device Package
Tolerance
Voltage
Voltage - Forward (Vf) (Max) @ If

1N4108 Description

Short technical summary and product information.

1N4108 is a Zener diode from Microchip Technology, designed for voltage regulation applications. It features a power dissipation of 400 mW and a Zener voltage tolerance of ±5%. The diode has a maximum impedance of 200 Ω at the Zener test current.

 

Electrical characteristics include a reverse leakage current of 50 nA at 10.65 V and a forward voltage of 1 V at 200 mA. The device operates over a junction temperature range of -65°C to 200°C.

 

This Zener diode is supplied in a surface mount DO-213AA package, suitable for automated assembly processes. It is RoHS compliant and has a moisture sensitivity level of 1 (unlimited).

1N4108 Quick Information

Product Type: Zener Diode
Series: 1N4099-1 – 1N4135-1
Canonical Name: 1N4108 Zener Diode
Subcategory: Single Zener Diode

1N4108 Compliance

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

1N4108 Features

  • ±5% Zener voltage tolerance.
  • 400 mW power dissipation rating.
  • 200 Ω maximum Zener impedance.
  • Surface mount DO-213AA package.
  • RoHS compliant and MSL 1.

1N4108 Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection applications.
  • Reference voltage generation.
  • Used in surface mount assembly processes.

1N4108 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the forward voltage of the 1N4108?

1 V at 200 mA.

What is the package type of the 1N4108?

DO-213AA surface mount package.

What is the power dissipation of the 1N4108?

400 mW.

What is the tolerance of the 1N4108?

±5%.

What is the maximum impedance of the 1N4108?

200 Ω.

What is the reverse leakage current of the 1N4108?

50 nA at 10.65 V.

What is the operating temperature range of the 1N4108?

-65°C to 200°C (junction).

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