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MMSZ5248B Zener diode with nominal 18V breakdown voltage, 500mW power dissipation, ±5% tolerance, in SOD-123 surface mount package.
Mfr Part #:

MMSZ5248B

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener diode with nominal 18V breakdown voltage, 500mW power dissipation, ±5% tolerance, in SOD-123 surface mount package.
✓ Total Stock: 3,089 pcs
$ Price Range: $0.03

MMSZ5248B Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
2,610 pcs
On Request
2610 pcs On Request 1 On Request On Request On Request On Request On Request
OTL Components ✓
Non-Authorised Inventory information
479 pcs
On Request
479 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MMSZ5248B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Impedance (Max) (Zzt)
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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MMSZ5248B Description

Short technical summary and product information.

The MMSZ5248B is a Zener diode from ON Semiconductor featuring a nominal zener voltage of 18V with ±5% tolerance. It is rated for a maximum power dissipation of 500mW at 25°C ambient temperature. The device offers a maximum impedance of 21Ω at a test current of 20mA and a maximum reverse leakage current of 100nA at 14V reverse voltage. Forward voltage is 900mV maximum at 10mA forward current.

 

This Zener diode is designed for general-purpose voltage regulation, overvoltage protection, and reference voltage applications in low-power circuits. It operates over a wide temperature range from -55°C to 150°C, making it suitable for industrial and consumer electronics.

 

The component is housed in a surface-mount SOD-123 package, which is compact and compatible with automated assembly processes. The device is RoHS3 compliant, REACH unaffected, and has an MSL rating of 1 (unlimited).

MMSZ5248B Quick Information

Product Type: Zener Diode
Series: MMSZ5226B - MMSZ5257B
Canonical Name: 18V Zener Diode, 500mW, Surface Mount, SOD-123
Subcategory: Single Zener Diode

MMSZ5248B Compliance

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

MMSZ5248B Estimated Pricing

Qty Low High
39,000+ $0.03 $0.03

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

MMSZ5248B Features

  • 18V nominal zener voltage, ±5% tolerance.
  • 500mW power dissipation rating.
  • Maximum 21Ω impedance at 20mA.
  • 100nA maximum reverse leakage at 14V.
  • Surface mount SOD-123 package.

MMSZ5248B Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection in portable devices.
  • Reference voltage in analog circuits.
  • DC-DC converter feedback networks.
  • Clamping and clipping applications.

MMSZ5248B FAQs

6 frequently asked questions generated from this part’s specifications.
What is the zener voltage of MMSZ5248B?

The nominal zener voltage is 18V with a range of 17.1V to 18.9V (5% tolerance).

What is the power dissipation of this Zener diode?

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

What is the package type of MMSZ5248B?

It comes in a surface-mount SOD-123 package.

What is the forward voltage of MMSZ5248B?

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

What is the operating temperature range?

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

What is the reverse leakage current?

The maximum reverse leakage current is 100nA at a reverse voltage of 14V.

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