1N5231B-T The 1N5231B-T is a 5.1V Zener diode rated for 500mW power dissipation with ±5% tolerance. It comes in a DO-35 axial lead package with Sn96.5Ag3.5 finish.
Mfr Part #:

1N5231B-T

Available from 1 distributors
Mfr Name: Diodes Incorporated
Diodes Incorporated
The 1N5231B-T is a 5.1V Zener diode rated for 500mW power dissipation with ±5% tolerance. It comes in a DO-35 axial lead package with Sn96.5Ag3.5 finish.
✓ Total Stock: 5,900 pcs
$ Price Range: $0.03 - $0.04

1N5231B-T Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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5,900 pcs
5900 pcs On Request 1 On Request On Request On Request On Request On Request

1N5231B-T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Impedance (Max) (Zzt)
Lead Style
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Finish
Tolerance
Voltage

1N5231B-T Description

Short technical summary and product information.

The 1N5231B-T is a 5.1V nominal Zener diode from Diodes Incorporated, part of the 1N5221B-1N5267B series. It is designed for general-purpose voltage regulation and protection in low-power circuits. The device offers a maximum power dissipation of 500mW and a Zener voltage tolerance of ±5%.

 

Key electrical specifications include a maximum impedance of 17Ω at 20mA test current, a forward voltage of 1.1V at 200mA, and a reverse leakage current of 5µA at 2V. The operating and storage temperature range is -65°C to +175°C, with a thermal resistance of 300°C/W junction-to-ambient.

 

The diode is housed in a DO-35 (DO-204AH) glass package with axial leads and a Sn96.5Ag3.5 termination finish. It is through-hole mountable and available in tape and reel packaging with a standard quantity of 10,000 units per reel. The device is RoHS3 compliant and has a moisture sensitivity level of 1 (unlimited). Note: The datasheet indicates this part is obsolete; the suggested replacement is the MMSZ52xxB series.

1N5231B-T Quick Information

Product Type: Zener Diode
Series: 1N5231B
Canonical Name: 1N5231B-T Zener Diode 5.1V, 500mW, ±5% Tolerance, DO-35
Subcategory: Single Zener Diode

1N5231B-T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: Non-Compliant
Lead Free: Lead-Free Finish

1N5231B-T Estimated Pricing

Qty Low High
10,000+ $0.04 $0.04
20,000+ $0.03 $0.03
30,000+ $0.03 $0.03
50,000+ $0.03 $0.03
70,000+ $0.03 $0.03
100,000+ $0.03 $0.03
250,000+ $0.03 $0.03

Estimated market price range - modelled values for guidance only, not live distributor offers.

1N5231B-T Features

  • 5.1V nominal Zener voltage.
  • 500mW maximum power dissipation.
  • ±5% tolerance on Zener voltage.
  • DO-35 through-hole package.
  • RoHS3 compliant and lead-free.

1N5231B-T Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection for sensitive components.
  • Reference voltage in analog circuits.
  • Clamping in signal conditioning circuits.

1N5231B-T FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N5231B-T?

The nominal Zener voltage is 5.1V at 20mA, with a range of 4.85V to 5.36V.

What is the power dissipation rating?

The maximum power dissipation is 500mW.

What is the forward voltage?

The forward voltage is 1.1V maximum at 200mA.

What is the reverse leakage current?

The reverse leakage current is 5µA maximum at 2V.

What package does the 1N5231B-T come in?

It comes in a DO-35 (DO-204AH) axial lead package.

What is the operating temperature range?

The operating temperature range is -65°C to +175°C.

Is this part RoHS compliant?

Yes, the datasheet confirms RoHS3 compliance.

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