MMSZ5251B Zener diode with nominal 24V breakdown voltage, 500mW power rating, and ±5% tolerance. Suitable for voltage regulation in surface-mount applications.
Mfr Part #:

MMSZ5251B

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener diode with nominal 24V breakdown voltage, 500mW power rating, and ±5% tolerance. Suitable for voltage regulation in surface-mount applications.
✓ Total Stock: 2,640 pcs
$ Price Range: $0.03

MMSZ5251B Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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2,640 pcs
2640 pcs On Request 1 On Request On Request On Request On Request On Request

MMSZ5251B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Impedance (Max) (Zzt)
Industrial Grade
Junction Temperature
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Power
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage

MMSZ5251B Description

Short technical summary and product information.

The MMSZ5251B is a 24V Zener diode from onsemi (formerly Fairchild Semiconductor) designed for voltage regulation applications. It offers a nominal Zener voltage of 24V with a tolerance of ±5%, ensuring reliable performance.

 

With a maximum power dissipation of 500mW and low reverse leakage current of 0.1µA at 18V, this diode is suitable for low-power circuits. The device features a maximum impedance of 29Ω at 20mA and 600Ω at 0.25mA.

 

The MMSZ5251B is housed in a surface-mount SOD-123 package and supports an operating temperature range of -55°C to 150°C, making it robust for various environments. The low forward voltage of 0.9V at 10mA aids in efficiency.

MMSZ5251B Quick Information

Product Type: Zener Diode
Series: MMSZ52xx
Canonical Name: MMSZ5251B Zener Diode 24V 500mW
Subcategory: Zener Diodes

MMSZ5251B Compliance

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

MMSZ5251B Estimated Pricing

Qty Low High
39,000+ $0.03 $0.03

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

MMSZ5251B Features

  • 24V Zener voltage with ±5% tolerance.
  • Maximum power dissipation of 500mW.
  • Low reverse leakage current of 0.1µA.
  • Surface-mount SOD-123 package.
  • Operates from -55°C to 150°C.

MMSZ5251B Applications

  • Voltage regulation for low-power circuits.
  • Overvoltage clamping protection.
  • Reference voltage generation.

MMSZ5251B FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of MMSZ5251B?

The nominal Zener voltage is 24V, with a minimum/maximum range of 22.8V to 25.2V.

What is the forward voltage of this Zener diode?

The maximum forward voltage is 900mV at a forward current of 10mA.

What package is the MMSZ5251B available in?

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

What is the power dissipation rating?

The maximum power dissipation is 500mW.

What is the tolerance of the Zener voltage?

The tolerance is ±5%.

What are the maximum impedances?

Maximum impedance is 29Ω at 20mA and 600Ω at 0.25mA.

What is the operating temperature range?

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

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