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MMSZ5255BT1G The MMSZ5255BT1G is a 28V Zener diode from On Semiconductor, rated for 500mW power dissipation in a compact SOD-123 surface mount package.
Mfr Part #:

MMSZ5255BT1G

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
The MMSZ5255BT1G is a 28V Zener diode from On Semiconductor, rated for 500mW power dissipation in a compact SOD-123 surface mount package.
✓ Total Stock: 236,205 pcs
$ Price Range: $0.03 - $0.17

MMSZ5255BT1G Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
124,020 pcs
On Request
124020 pcs On Request 1 On Request On Request On Request On Request On Request
Flip Electronics ✓
Non-Authorised Inventory information
87,835 pcs
On Request
87835 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
24,000 pcs
On Request
24000 pcs On Request 1 On Request On Request 21+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
350 pcs
On Request
350 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.

MMSZ5255BT1G 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
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Style
Tolerance
Voltage
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MMSZ5255BT1G Description

Short technical summary and product information.

The MMSZ5255BT1G is a 28V Zener diode from On Semiconductor, part of the MMSZ52xxxT1G series. It provides a nominal Zener voltage of 28V with ±5% tolerance and is capable of dissipating 500mW of power on FR-5 board. This diode is designed for surface mount applications and is housed in a compact SOD-123 package.

 

Electrically, the device features a maximum impedance of 44Ω at the Zener test current. Reverse leakage current is limited to 100nA at 21V reverse voltage. When forward biased, the maximum forward voltage is 900mV at 10mA. The diode offers an ESD rating of Class 3 (>16kV) per Human Body Model, ensuring robustness in handling.

 

The SOD-123 package is designed for automated assembly and has a flammability rating of UL 94 V-0. The operating temperature range spans -55°C to +150°C, with junction-to-ambient thermal resistance of 340°C/W. The device is Pb-Free as stated in the datasheet. Note: RoHS, REACH, and MSL compliance statuses are unverified and should be confirmed.

MMSZ5255BT1G Quick Information

Product Type: Zener Diode
Series: MMSZ52xxxT1G
Canonical Name: On Semiconductor MMSZ5255BT1G Zener Diode, 28V, 500mW, SOD-123
Subcategory: Single Zener Diode

MMSZ5255BT1G Compliance

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

MMSZ5255BT1G 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.

MMSZ5255BT1G Features

  • 28V nominal Zener voltage with ±5% tolerance.
  • 500mW power dissipation on FR-5 board.
  • SOD-123 surface mount package.
  • ESD protection exceeds 16kV (Class 3).
  • Low leakage current of 100nA at 21V.

MMSZ5255BT1G Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection for sensitive components.
  • General purpose medium current applications.
  • Surface mount designs requiring small footprint.

MMSZ5255BT1G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the nominal Zener voltage of the MMSZ5255BT1G?

The nominal Zener voltage is 28 V.

What is the tolerance of the Zener voltage?

The tolerance is ±5%.

What is the maximum power dissipation of the MMSZ5255BT1G?

The maximum power dissipation is 500 mW.

What is the forward voltage drop of the MMSZ5255BT1G?

The maximum forward voltage is 900 mV at 10 mA.

What is the package type of the MMSZ5255BT1G?

The package is SOD-123 (surface mount).

What is the operating temperature range?

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

What is the ESD rating of the MMSZ5255BT1G?

The ESD rating is Class 3 (>16 kV) per Human Body Model.

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