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MMSZ5243B The MMSZ5243B is a 13V Zener diode from Diotec Semiconductor in a SOD-123F surface mount package. It features 500mW power dissipation and ±5% tolerance.
Mfr Part #:

MMSZ5243B

Available from 1 distributors
Mfr Name: Diotec Semiconductor
Diotec Semiconductor
The MMSZ5243B is a 13V Zener diode from Diotec Semiconductor in a SOD-123F surface mount package. It features 500mW power dissipation and ±5% tolerance.
✓ Total Stock: 6 pcs
$ Price Range: $0.08 - $0.27

MMSZ5243B Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
6 pcs
On Request
6 pcs On Request 1 On Request On Request On Request On Request On Request
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MMSZ5243B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Conflict Minerals
Current
Halogen Free
Impedance (Max) (Zzt)
Industrial Grade
Lead Style
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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MMSZ5243B Description

Short technical summary and product information.

The MMSZ5243B is a Zener diode from Diotec Semiconductor offering a nominal Zener voltage of 13V with a tolerance of ±5%. It is designed for surface mount applications in a SOD-123F package. The device has a maximum power dissipation of 500mW and a forward voltage of 900mV at 10mA. Reverse leakage current is limited to 500nA at 9.9V, and the maximum Zener impedance is 13Ω at the test current of 20mA.

 

This Zener diode is suitable for voltage regulation and overvoltage protection in low-power circuits. It operates over a junction temperature range of -50°C to 150°C and can be stored from -55°C to 150°C. The thermal resistance from junction to ambient is 340°C/W on standard FR-4 or FR-5 boards.

 

The datasheet for this part is based on the Fairchild Semiconductor family MMSZ5226B-MMSZ5257B, which provides the electrical characteristics. The MMSZ5243B is specifically marked with device code H3 on the body.

MMSZ5243B Quick Information

Product Type: Zener Diode
Series: MMSZ5243B
Canonical Name: MMSZ5243B Zener Diode, 13V Nominal, 500mW, ±5% Tolerance, SOD-123F
Subcategory: Single Zener Diodes

MMSZ5243B Compliance

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

MMSZ5243B Estimated Pricing

Qty Low High
750+ $0.27 $0.27
1,500+ $0.15 $0.15
3,000+ $0.08 $0.08
6,000+ $0.08 $0.08

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

MMSZ5243B Features

  • 13V nominal Zener voltage with ±5% tolerance.
  • 500mW power dissipation rating.
  • Surface mount SOD-123F package.
  • Low reverse leakage of 500nA at 9.9V.
  • Operating junction temperature up to 150°C.

MMSZ5243B Applications

  • Used for voltage regulation in low-power circuits.
  • Suitable for overvoltage protection applications.
  • Ideal for consumer electronics power supplies.

MMSZ5243B FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the MMSZ5243B?

The MMSZ5243B has a nominal Zener voltage of 13V, with a minimum of 12.35V and maximum of 13.65V at 20mA test current.

What is the forward voltage of the MMSZ5243B?

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

What is the power dissipation of the MMSZ5243B?

The maximum power dissipation is 500mW.

What is the reverse leakage current of the MMSZ5243B?

The reverse leakage current is 500nA maximum at 9.9V reverse voltage.

What is the Zener impedance of the MMSZ5243B?

The maximum Zener impedance is 13Ω at 20mA test current.

What is the operating temperature range of the MMSZ5243B?

The operating junction temperature range is -50°C to 150°C.

What is the package type of the MMSZ5243B?

The MMSZ5243B is available in a SOD-123F surface mount package.

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