MMSZ4V3T1 The On Semiconductor MMSZ4V3T1 is a 4.3V Zener diode with a 500mW power rating in a SOD-123 surface mount package.
Mfr Part #:

MMSZ4V3T1

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor MMSZ4V3T1 is a 4.3V Zener diode with a 500mW power rating in a SOD-123 surface mount package.
✓ Total Stock: 2,355 pcs
$ Price Range: $0.99

MMSZ4V3T1 Available from 1 distributor

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✓ Non-Authorised
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2,355 pcs
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MMSZ4V3T1 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
Storage Temperature
Supplier Device Package
Tape & Reel
Thermal Resistance
Tolerance
Voltage

MMSZ4V3T1 Description

Short technical summary and product information.

The On Semiconductor MMSZ4V3T1 is a 4.3V Zener diode designed for voltage regulation applications. It features a 500mW power dissipation rating on an FR-5 board and operates over a wide temperature range of -55°C to 150°C.

 

This device is housed in a compact SOD-123 surface mount package, making it suitable for high-density applications and automated board assembly. The Zener voltage is 4.3V with a tolerance of ±5%, and it exhibits a maximum forward voltage of 900mV at 10mA. The reverse leakage current is a maximum of 3µA at 1V.

 

With a thermal resistance of 340°C/W junction-to-ambient, the MMSZ4V3T1 is engineered for reliable performance. It is AEC-Q101 qualified and PPAP capable, with SZ-prefix options available for automotive applications. The component is RoHS3 compliant and has an MSL 1 rating.

MMSZ4V3T1 Quick Information

Product Type: Zener Diode
Canonical Name: MMSZ4V3T1 Zener Diode
Subcategory: Single Zener Diodes

MMSZ4V3T1 Compliance

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

MMSZ4V3T1 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

MMSZ4V3T1 Features

  • 4.3V nominal Zener voltage rating.
  • 500mW power dissipation capability.
  • Compact SOD-123 surface mount package.
  • Wide operating temperature range.
  • AEC-Q101 qualified for automotive use.

MMSZ4V3T1 Applications

  • Used for voltage regulation circuits.
  • Suitable for power supply filtering.
  • Applied in transient voltage suppression.
  • Ideal for general-purpose Zener applications.

MMSZ4V3T1 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the MMSZ4V3T1?

The nominal Zener voltage is 4.3V at a test current of 1mA.

What is the power rating of the MMSZ4V3T1?

The device has a power dissipation rating of 500mW on an FR-5 board at 75°C.

What package type is the MMSZ4V3T1 supplied in?

The MMSZ4V3T1 is supplied in a SOD-123 surface mount package.

What is the operating temperature range for this Zener diode?

The junction and storage temperature range is -55°C to 150°C.

What is the Zener impedance of the MMSZ4V3T1?

The maximum Zener impedance is 90 Ohms.

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