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MMSZ5229B-7-F Zener diode with nominal voltage 4.3V, tolerance ±5%, power dissipation 500mW. Surface mount package SOD-123.
Mfr Part #:

MMSZ5229B-7-F

Available from 2 distributors
Mfr Name: Diodes Incorporated
Diodes Incorporated
Zener diode with nominal voltage 4.3V, tolerance ±5%, power dissipation 500mW. Surface mount package SOD-123.
✓ Total Stock: 4,900 pcs
$ Price Range: $0.04 - $0.22

MMSZ5229B-7-F 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
3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
1,900 pcs
On Request
1900 pcs On Request 1 On Request On Request 23+ 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.

MMSZ5229B-7-F Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Halogen Free
Impedance (Max) (Zzt)
Mounting Type
Operating Temperature
Power
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Finish
Tolerance
Voltage
Weight
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MMSZ5229B-7-F Description

Short technical summary and product information.

The MMSZ5229B-7-F is a 4.3V Zener diode from Diodes Incorporated, designed for general purpose voltage regulation. It offers a nominal Zener voltage of 4.3V with a tolerance of ±5%.

 

With a maximum power dissipation of 500mW at +75°C lead temperature (370mW at +25°C ambient), it is suitable for low-power applications. The diode features a maximum forward voltage of 900mV at 10mA and a reverse leakage current of 5µA at 1V. The maximum impedance (Zzt) is 22Ω.

 

The device is housed in a surface mount SOD-123 package, making it ideal for automated assembly. It operates over a temperature range of -65°C to 150°C and has a thermal resistance of 338°C/W junction-to-ambient. The component is RoHS3 compliant, lead-free, and halogen-free.

MMSZ5229B-7-F Quick Information

Product Type: Zener Diode
Series: MMSZ5221B-5259B
Canonical Name: Zener Diode 4.3V 500mW SOD-123
Subcategory: Single Zener Diode

MMSZ5229B-7-F Compliance

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

MMSZ5229B-7-F Estimated Pricing

Qty Low High
1+ $0.22 $0.22
10+ $0.13 $0.13
100+ $0.08 $0.08
500+ $0.06 $0.06
1,000+ $0.05 $0.05
3,000+ $0.04 $0.04

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

MMSZ5229B-7-F Features

  • Nominal Zener voltage of 4.3V.
  • Power dissipation rating of 500mW.
  • Surface mount SOD-123 package.
  • RoHS3 compliant and lead-free.
  • Operating temperature range -65°C to 150°C.

MMSZ5229B-7-F Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection for sensitive components.
  • Reference voltage in bias circuits.
  • Used in consumer electronics and industrial controls.

MMSZ5229B-7-F FAQs

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

4.3V nominal.

What is the forward voltage?

900mV maximum at 10mA.

What package does this diode come in?

SOD-123 surface mount package.

What is the power dissipation rating?

500mW at +75°C lead temperature.

What is the tolerance of the Zener voltage?

±5%.

Is this component RoHS compliant?

Yes, RoHS3 compliant.

What is the operating temperature range?

-65°C to 150°C.

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