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MMSZ4V3T1G Zener diode with 4.3V nominal voltage and 500mW power dissipation in a SOD-123 surface mount package.
Mfr Part #:

MMSZ4V3T1G

Available from 5 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener diode with 4.3V nominal voltage and 500mW power dissipation in a SOD-123 surface mount package.
✓ Total Stock: 31,798 pcs
$ Price Range: $0.03 - $0.17

MMSZ4V3T1G Available from 5 distributors

✓ Authorised
✓ Non-Authorised
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.

MMSZ4V3T1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Impedance (Max) (Zzt)
Mounting Type
Operating Temperature
Power
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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MMSZ4V3T1G Description

Short technical summary and product information.

The MMSZ4V3T1G is a 4.3V Zener diode from On Semiconductor's MMSZxxxT1G series, designed for voltage regulation applications. It offers a nominal Zener voltage of 4.3V with ±5% tolerance and a maximum power dissipation of 500mW on FR-4 or FR-5 boards.

 

Key electrical characteristics include a typical forward voltage of 900mV at 10mA, maximum Zener impedance of 90Ω, and a reverse leakage current of 3µA at 1V. The device operates over a junction temperature range of -55°C to 150°C.

 

The diode is housed in a surface mount SOD-123 package, with cathode polarity indicated by a band. It is rated for soldering at up to 260°C for 10 seconds and has a flammability rating of UL 94 V-0. The series is also AEC-Q101 qualified for automotive applications.

MMSZ4V3T1G Quick Information

Product Type: Zener Diode
Series: MMSZxxxT1G
Canonical Name: MMSZ4V3T1G Zener Diode 4.3V 500mW SOD-123
Subcategory: Single Zener Diode

MMSZ4V3T1G Compliance

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

MMSZ4V3T1G Estimated Pricing

Qty Low High
1+ $0.17 $0.17
10+ $0.10 $0.10
100+ $0.07 $0.07
500+ $0.05 $0.05
1,000+ $0.04 $0.04
3,000+ $0.03 $0.03

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

MMSZ4V3T1G Features

  • 4.3V nominal Zener voltage with ±5% tolerance.
  • 500mW power dissipation on FR-4/5 board.
  • Surface mount SOD-123 package.
  • Operating temperature range -55°C to 150°C.
  • AEC-Q101 qualified for automotive use.

MMSZ4V3T1G Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection for sensitive components.
  • Automotive electronics requiring AEC-Q101 parts.
  • General purpose Zener diode applications.

MMSZ4V3T1G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the MMSZ4V3T1G?

The nominal Zener voltage is 4.3V with a tolerance of ±5%.

What is the power dissipation rating?

The maximum power dissipation is 500mW on FR-4 or FR-5 board.

What package is the MMSZ4V3T1G available in?

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

What is the forward voltage?

The typical forward voltage is 900mV at 10mA, with a maximum of 950mV at 10mA.

What is the operating temperature range?

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

What is the maximum Zener impedance?

The maximum Zener impedance is 90Ω at the Zener test current.

What is the reverse leakage current?

The maximum reverse leakage current is 3µA at a reverse voltage of 1V.

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