MMSZ5231B The On Semiconductor MMSZ5231B is a Zener diode with a 5.1V voltage rating and 500mW power dissipation. It is housed in a SOD-123 package.
Mfr Part #:

MMSZ5231B

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor MMSZ5231B is a Zener diode with a 5.1V voltage rating and 500mW power dissipation. It is housed in a SOD-123 package.
✓ Total Stock: 4,944 pcs
$ Price Range: $0.99

MMSZ5231B Available from 3 distributors

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✓ Non-Authorised
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3,000 pcs
3000 pcs On Request 1 On Request On Request 1023 On Request On Request
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1,475 pcs
1475 pcs On Request 1 On Request On Request On Request On Request On Request
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469 pcs
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MMSZ5231B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Forward Voltage
Impedance (Max) (Zzt)
Mounting Type
Operating Temperature
Power
Power Dissipation
Supplier Device Package
Thermal Resistance
Tolerance
Voltage

MMSZ5231B Description

Short technical summary and product information.

The MMSZ5231B from On Semiconductor is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 5.1V at a test current of 20mA, with a typical Zener impedance of 1.6kΩ.

 

This diode has a maximum power dissipation of 500mW at 25°C and an operating temperature range of -55°C to 150°C. The reverse leakage current is a typical 5µA at 3.9V. The forward voltage is a maximum of 0.9V at 10mA.

 

Packaged in a surface-mount SOD-123 case, the MMSZ5231B is suitable for various electronic circuits requiring stable voltage references. Its tolerance is ±5%.

MMSZ5231B Quick Information

Product Type: Zener Diode
Canonical Name: MMSZ5231B Zener Diode
Subcategory: Single Zener Diodes

MMSZ5231B Compliance

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

MMSZ5231B Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

MMSZ5231B Features

  • 5.1V nominal Zener voltage rating.
  • 500mW maximum power dissipation.
  • ±5% voltage tolerance.
  • Surface mount SOD-123 package.
  • Wide operating temperature range.

MMSZ5231B Applications

  • Used for voltage regulation in electronic circuits
  • Provides transient voltage suppression
  • Suitable for circuit protection in consumer devices
  • Ideal for compact surface-mount designs

MMSZ5231B FAQs

5 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the MMSZ5231B?

The nominal Zener voltage is 5.1V at 20mA.

What is the maximum power dissipation for the MMSZ5231B?

The maximum power dissipation is 500mW at 25°C.

What package type is the MMSZ5231B available in?

The MMSZ5231B is available in a SOD-123 package.

What is the operating temperature range for this Zener diode?

The operating temperature range is -55°C to 150°C.

What is the Zener impedance of the MMSZ5231B?

The typical Zener impedance is 1.6kΩ at 20mA.

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