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ESDU3121MXT5G The ESDU3121MXT5G is a 12V unidirectional TVS diode from onsemi. It offers a clamping voltage of 22V at 8.5A peak pulse current and comes in a compact X2DFN package.
Mfr Part #:

ESDU3121MXT5G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ESDU3121MXT5G is a 12V unidirectional TVS diode from onsemi. It offers a clamping voltage of 22V at 8.5A peak pulse current and comes in a compact X2DFN package.
Total Stock: 53,255 pcs

ESDU3121MXT5G Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
28,235 pcs
28235 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
25,020 pcs
25020 pcs On Request 1 On Request On Request On Request On Request On Request

ESDU3121MXT5G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Breakdown Voltage (Min/Typ/Max @ 1 mA)
Capacitance @ Frequency
Clamping Voltage (Typ/Max @ 8.5A)
Current
Halogen Free
Junction Capacitance @ 1 MHz
Mounting Type
Operating Temperature
Operating Temperature Range
Package / Case
Peak Pulse Current
Power Line Protection
Reverse Leakage Current @ VRWM
Reverse Working Voltage
Standard Package Quantity
Supplier Device Package
Tape and Reel
Type
Unidirectional Channels
Voltage

ESDU3121MXT5G Description

Short technical summary and product information.

The ESDU3121MXT5G is a 12V unidirectional TVS diode designed for ESD and surge protection. It protects voltage-sensitive components from electrostatic discharge and electrical fast transients, meeting IEC 61000-4-2 Level 4 and IEC 61000-4-5 standards.

 

Key electrical characteristics include a reverse working voltage of 12V, a breakdown voltage range of 14.1V to 15.8V at 1mA, and a clamping voltage of 20.3V typical and 22V maximum at 8.5A peak pulse current (8/20µs waveform). It features low leakage current of 0.1µA maximum and junction capacitance of 55pF at 1MHz.

 

The device is housed in a small 2-XDFN package (X2DFN2, 1.0mm x 0.6mm) suitable for space-constrained applications. It is surface mountable and supplied in tape and reel packaging with 8000 units per reel.

 

Typical applications include power line protection, GPIO protection, and port protection in portable electronics such as cellular phones, tablets, MP3 players, and digital cameras. The device is RoHS compliant, lead-free, and halogen-free.

ESDU3121MXT5G Quick Information

Product Type: TVS Diode
Canonical Name: onsemi ESDU3121MXT5G 12V Unidirectional TVS Diode
Subcategory: Unidirectional TVS Diode

ESDU3121MXT5G Compliance

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

ESDU3121MXT5G Features

  • Operates at 12V reverse working voltage.
  • Clamps to 22V at 8.5A peak pulse current.
  • Ultra-low leakage of 0.1µA maximum.
  • Compact X2DFN package (1.0x0.6mm).
  • IEC 61000-4-2 ESD protection up to ±30kV.

ESDU3121MXT5G Applications

  • Power line protection for portable devices.
  • GPIO protection in mobile electronics.
  • ESD protection for USB and audio ports.
  • Surge protection for battery charging circuits.
  • Used in cellular phones and tablets.

ESDU3121MXT5G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the standoff (reverse working) voltage of the ESDU3121MXT5G?

12V.

What is the breakdown voltage range?

14.1V to 15.8V at 1mA.

What is the clamping voltage?

20.3V typical, 22V maximum at 8.5A peak pulse current (8/20µs).

What is the peak pulse current rating?

8.5A (8/20µs waveform).

What package does the ESDU3121MXT5G come in?

2-XDFN (X2DFN2, 1.0x0.6mm).

What is the ESD protection level?

±30kV contact and air discharge per IEC 61000-4-2 Level 4.

Is the device RoHS compliant?

Yes, it is RoHS3 compliant, Pb-Free, and Halogen Free/BFR Free.

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