MMSZ5250B The On Semiconductor MMSZ5250B is a 20V Zener diode with 500mW power dissipation and ±5% tolerance. It is available in a surface mount SOD-123 package.
Mfr Part #:

MMSZ5250B

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor MMSZ5250B is a 20V Zener diode with 500mW power dissipation and ±5% tolerance. It is available in a surface mount SOD-123 package.
Total Stock: 2,541 pcs
$ Price Range: $0.99

MMSZ5250B Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,285 pcs
1285 pcs On Request 1 On Request On Request On Request On Request 2026-05-08 07:15:32
Non-Authorised Inventory information
1,256 pcs
1256 pcs On Request 1 On Request On Request 1305+ On Request On Request

MMSZ5250B 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
Reverse Current
Storage Temperature
Supplier Device Package
Supplier Package
Tape & Reel
Tolerance
Voltage
Zener Impedance
Zener Voltage

MMSZ5250B Description

Short technical summary and product information.

The On Semiconductor MMSZ5250B is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 20V at a test current of 6.2 mA, with a tight tolerance of ±5%. The diode has a power dissipation rating of 500 mW at 25°C and a maximum Zener impedance of 25 Ω at the test current.

 

This component is suitable for various electronic circuits requiring stable voltage references. Its operating temperature range spans from -55°C to 150°C, ensuring reliable performance in diverse environmental conditions. The MMSZ5250B has a maximum forward voltage of 0.9V at 10mA and a reverse leakage current of 100 nA at 15V.

 

Packaged in a compact SOD-123 surface mount case, the MMSZ5250B is designed for efficient integration into printed circuit boards. Its surface mount capability facilitates automated assembly processes. The diode is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1.

MMSZ5250B Quick Information

Product Type: Zener Diode
Series: MMSZ52
Canonical Name: MMSZ5250B Zener Diode
Subcategory: Single

MMSZ5250B Compliance

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

MMSZ5250B Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

MMSZ5250B Features

  • 20V nominal Zener voltage rating.
  • 500mW maximum power dissipation.
  • ±5% voltage tolerance.
  • Surface mount SOD-123 package.
  • Wide -55°C to 150°C operating temperature.

MMSZ5250B Applications

  • Used in voltage regulation circuits
  • Suitable for surge suppression
  • Provides circuit protection
  • Ideal for surface-mount applications

MMSZ5250B FAQs

6 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the MMSZ5250B?

The nominal Zener voltage is 20V at a test current of 6.2 mA.

What is the power dissipation rating for the MMSZ5250B?

The power dissipation is 500 mW at 25°C.

What is the voltage tolerance of this Zener diode?

The voltage tolerance is ±5%.

What is the operating temperature range for the MMSZ5250B?

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

What package type is the MMSZ5250B available in?

It is available in a SOD-123 surface mount package.

What is the forward voltage of the MMSZ5250B?

The maximum forward voltage is 0.9V at 10mA.

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