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MMSZ5256ET1G Zener Diode with 30V nominal voltage, 500mW power dissipation, ±5% tolerance, in SOD-123 surface mount package.
Mfr Part #:

MMSZ5256ET1G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener Diode with 30V nominal voltage, 500mW power dissipation, ±5% tolerance, in SOD-123 surface mount package.
✓ Total Stock: 2,700 pcs
$ Price Range: $0.10 - $0.37

MMSZ5256ET1G Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
2,700 pcs
On Request
2700 pcs On Request 1 On Request On Request On Request 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.

MMSZ5256ET1G 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
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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MMSZ5256ET1G Description

Short technical summary and product information.

The MMSZ5256ET1G is a 30V Zener diode from On Semiconductor's MMSZ52xxET1G series, designed for voltage regulation in surface mount applications. It offers a nominal Zener voltage of 30V with ±5% tolerance and a maximum power dissipation of 500mW on standard FR-4 or FR-5 boards. The device features a maximum Zener impedance of 49Ω and a reverse leakage current of only 100nA at 23V. It is housed in a compact SOD-123 package, suitable for automated assembly. The diode also provides ESD protection rated at >16kV (Human Body Model, Class 3) and can handle non-repetitive peak power pulses up to 225W (8x20μs). Operating temperature range is -55°C to +150°C.

MMSZ5256ET1G Quick Information

Product Type: Zener Diode
Series: MMSZ52xxET1G
Canonical Name: MMSZ5256ET1G Zener Diode
Subcategory: Single Zener Diode

MMSZ5256ET1G Compliance

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

MMSZ5256ET1G Estimated Pricing

Qty Low High
1+ $0.37 $0.37
10+ $0.23 $0.23
100+ $0.14 $0.14
500+ $0.11 $0.11
1,000+ $0.10 $0.10
3,000+ $0.10 $0.10

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

MMSZ5256ET1G Features

  • 30V nominal Zener voltage with ±5% tolerance.
  • 500mW power dissipation on standard PCB.
  • SOD-123 surface mount package for automated assembly.
  • ESD rating >16kV per Human Body Model.
  • 225W peak power capability for transient protection.

MMSZ5256ET1G Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection and clamping.
  • Reference voltage generation.
  • General purpose Zener diode applications.

MMSZ5256ET1G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the MMSZ5256ET1G?

The nominal Zener voltage is 30V with a tolerance of ±5%.

What is the power dissipation rating?

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

What package is this diode available in?

It comes in a SOD-123 surface mount package.

What is the operating temperature range?

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

What is the reverse leakage current?

Maximum reverse leakage current is 100nA at a reverse voltage of 23V.

Does this diode have ESD protection?

Yes, it has an ESD rating of >16kV per Human Body Model (Class 3).

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