MMSZ5231BT1G Zener diode with nominal 5.1V voltage, 500mW power rating, in a SOD-123 surface mount package.
Mfr Part #:

MMSZ5231BT1G

Available from 11 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener diode with nominal 5.1V voltage, 500mW power rating, in a SOD-123 surface mount package.
✓ Total Stock: 844,847 pcs
$ Price Range: $0.04 - $0.21

MMSZ5231BT1G Available from 11 distributors

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✓ Non-Authorised
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796,020 pcs
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33,211 pcs
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4,360 pcs
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2,552 pcs
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423 pcs
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17 pcs
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7 pcs
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MMSZ5231BT1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Impedance (Max) (Zzt)
Lead Style
Mounting Type
Operating Temperature
Power
Supplier Device Package
Tape & Reel
Termination Style
Tolerance
Voltage

MMSZ5231BT1G Description

Short technical summary and product information.

The MMSZ5231BT1G is a 5.1V Zener diode from On Semiconductor, part of the MMSZ52xxxT1G series. It offers a power dissipation of 500mW and is housed in a compact SOD-123 surface mount package. The device features a Zener voltage tolerance of ±5% and a low forward voltage of 900mV at 10mA. It is designed for general purpose voltage regulation applications. The diode has an ESD rating of Class 3 (>16kV) per Human Body Model, ensuring robustness in handling. The operating temperature range is -55°C to 150°C. The package is RoHS compliant (unverified) and lead-free (Pb-Free verified). The device is supplied in tape and reel packaging with 3000 units per reel.

MMSZ5231BT1G Quick Information

Product Type: Zener Diode
Series: MMSZ52xxxT1G
Canonical Name: On Semiconductor MMSZ5231BT1G Zener Diode
Subcategory: Single

MMSZ5231BT1G Compliance

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

MMSZ5231BT1G Estimated Pricing

Qty Low High
1+ $0.21 $0.21
10+ $0.13 $0.13
100+ $0.08 $0.08
500+ $0.06 $0.06
1,000+ $0.06 $0.06
3,000+ $0.04 $0.04

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

MMSZ5231BT1G Features

  • Nominal Zener voltage of 5.1V.
  • Power dissipation rating of 500mW.
  • Surface mount SOD-123 package.
  • ESD rated Class 3 above 16kV.
  • Operating temperature range -55°C to 150°C.

MMSZ5231BT1G Applications

  • Used for voltage regulation circuits.
  • Ideal for overvoltage protection applications.
  • Suitable for general purpose clamping.
  • Common in portable electronics designs.

MMSZ5231BT1G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the MMSZ5231BT1G?

5.1V nominal with ±5% tolerance.

What is the forward voltage of the MMSZ5231BT1G?

900mV typical at 10mA.

What package type is the MMSZ5231BT1G available in?

SOD-123 surface mount package.

What is the maximum power dissipation of the MMSZ5231BT1G?

500mW.

What is the operating temperature range?

-55°C to 150°C.

What is the ESD rating of the MMSZ5231BT1G?

Class 3 (>16kV) per Human Body Model.

What is the reverse leakage current?

Maximum 5µA at 2V reverse voltage.

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