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MMSZ5243BT1G Zener diode with 13V nominal voltage, 500mW power dissipation, ±5% tolerance. Surface mount SOD-123 package.
Mfr Part #:

MMSZ5243BT1G

Available from 8 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener diode with 13V nominal voltage, 500mW power dissipation, ±5% tolerance. Surface mount SOD-123 package.
✓ Total Stock: 96,307 pcs
$ Price Range: $0.03 - $0.17

MMSZ5243BT1G Available from 8 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.

MMSZ5243BT1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Automotive Grade
Current
Impedance (Max) (Zzt)
Mounting Type
Operating Temperature
Power
SVHC Present
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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MMSZ5243BT1G Description

Short technical summary and product information.

The MMSZ5243BT1G is a 13V Zener diode from On Semiconductor designed for voltage regulation and protection applications. With a nominal Zener voltage of 13V and a tolerance of ±5%, this device provides precise voltage clamping. It can dissipate up to 500mW of power, making it suitable for low-power circuits.

 

The diode features a maximum impedance of 13Ω at the Zener voltage and a low reverse leakage current of 500nA at 9.9V reverse voltage. The forward voltage is 900mV at 10mA. It operates over a wide temperature range from -55°C to 150°C.

 

Packaged in a compact SOD-123 surface mount case, the MMSZ5243BT1G is designed for automated assembly and high-density PCB layouts. The package is Pb-Free as verified in the datasheet. This Zener diode is commonly used in overvoltage protection, voltage reference, and bias supply circuits in consumer and industrial electronics.

MMSZ5243BT1G Quick Information

Product Type: Single Zener Diode
Series: MMSZ52xxxT1G
Canonical Name: On Semiconductor MMSZ5243BT1G Zener Diode, 13V, ±5%, 500mW, SOD-123
Subcategory: Single Zener Diode

MMSZ5243BT1G Compliance

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

MMSZ5243BT1G Estimated Pricing

Qty Low High
1+ $0.17 $0.17
10+ $0.10 $0.10
100+ $0.06 $0.06
500+ $0.05 $0.05
1,000+ $0.04 $0.04
3,000+ $0.03 $0.03
6,000+ $0.03 $0.03

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

MMSZ5243BT1G Features

  • Zener voltage 13V with ±5% tolerance.
  • 500mW power dissipation rating.
  • Surface mount SOD-123 package.
  • Operating temperature -55°C to 150°C.
  • Low reverse leakage of 500 nA.

MMSZ5243BT1G Applications

  • Voltage regulation in portable devices.
  • Overvoltage protection circuits.
  • Bias supply stabilization.
  • Reference voltage in analog circuits.

MMSZ5243BT1G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the MMSZ5243BT1G?

The nominal Zener voltage is 13V.

What is the tolerance of the Zener voltage?

The tolerance is ±5%.

What is the maximum power dissipation?

The maximum power dissipation is 500mW.

What is the maximum impedance at the Zener voltage?

The maximum impedance (Zzt) is 13Ω.

What is the forward voltage of this Zener diode?

The maximum forward voltage is 900mV at 10mA.

What is the reverse leakage current?

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

What is the operating temperature range?

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

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