SESD0402X1UN-0020-090 The Littelfuse SESD0402X1UN-0020-090 is a unidirectional TVS diode designed for high-speed data line protection. It offers a 7V reverse working voltage and 9.2V clamping voltage.
Mfr Part #:

SESD0402X1UN-0020-090

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse SESD0402X1UN-0020-090 is a unidirectional TVS diode designed for high-speed data line protection. It offers a 7V reverse working voltage and 9.2V clamping voltage.
Total Stock: 4,339 pcs
$ Price Range: $0.99

SESD0402X1UN-0020-090 Available from 2 distributors

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Non-Authorised
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2,465 pcs
2465 pcs On Request 1 On Request On Request 17+ On Request On Request
Non-Authorised Inventory information
1,874 pcs
1874 pcs On Request 1 On Request On Request On Request On Request On Request

SESD0402X1UN-0020-090 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Automotive Grade
Breakdown Voltage (Typical @ IT=1 mA)
Capacitance @ Frequency
Clamping Voltage (Typical @ IPP=2.0 A)
Clamping Voltage (Typical @ IPP=2.0 A, tp=8/20 μs)
Current
ESD Withstand Voltage (Nominal @ IEC 61000-4-2 (Air)
ESD Withstand Voltage (Nominal @ IEC 61000-4-2 (Contact)
Input Capacitance (Typical/Maximum @ Reverse Bias=0 V, f = 3 GHz)
Mounting Type
Operating Temperature
Peak Pulse Current
Power Line Protection
Reverse Leakage Current (Typical/Maximum @ VRWM=5.0 V)
Reverse Working Voltage (Nominal)
SVHC Present
Supplier Device Package
Termination Style
Type
Unidirectional Channels
Voltage

SESD0402X1UN-0020-090 Description

Short technical summary and product information.

The Littelfuse SESD0402X1UN-0020-090 is an ultra-low capacitance discrete TVS diode providing unidirectional ESD protection for high-speed serial interfaces. It is suitable for applications such as USB 3.1, HDMI 2.0, and DisplayPort.

 

This TVS diode features a low off-state capacitance of 0.2pF at 3GHz and a low dynamic resistance, ensuring excellent signal integrity. It has an IEC 61000-4-2 ESD rating of ±20 kV air and contact discharge. The device operates over a temperature range of -55°C to 125°C.

 

Packaged in an industry-standard 0402 (1005 Metric) DFN package, the SESD0402X1UN-0020-090 is designed for surface mount applications. Its low profile and small footprint make it ideal for compact electronic devices. The diode offers a reverse working voltage of 7V and a clamping voltage of 9.2V at a peak pulse current of 2A (8/20μs).

SESD0402X1UN-0020-090 Quick Information

Product Type: TVS Diode
Series: SESD
Canonical Name: Littelfuse SESD Series Ultra Low Capacitance Discrete TVS Diode
Subcategory: Discrete TVS

SESD0402X1UN-0020-090 Compliance

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

SESD0402X1UN-0020-090 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

SESD0402X1UN-0020-090 Features

  • Ultra-low capacitance for high-speed interfaces.
  • ±20 kV ESD protection rating.
  • Low clamping voltage of 9.2V.
  • 0402 DFN surface mount package.
  • AEC-Q101 qualified for automotive use.

SESD0402X1UN-0020-090 Applications

  • Protects high-speed data lines.
  • Ideal for USB 3.1 and HDMI 2.0.
  • Suitable for DisplayPort interfaces.
  • Used in consumer electronics.
  • Provides robust ESD protection.

SESD0402X1UN-0020-090 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the breakdown voltage of the SESD0402X1UN-0020-090?

The breakdown voltage is 9.8V (bidirectional) and 9V (unidirectional) at 1mA.

What is the clamping voltage for this TVS diode?

The clamping voltage is 10V at 2A for bidirectional and 9.2V at 2A for unidirectional.

What is the peak pulse current rating?

The peak pulse current rating is 2A with an 8/20μs waveform.

What package type is the SESD0402X1UN-0020-090 in?

It is in a 0402 (1005 Metric) DFN package.

What is the operating temperature range?

The operating temperature range is -55°C to 125°C.

What is the capacitance of the SESD0402X1UN-0020-090 at 3GHz?

The capacitance is 0.25pF maximum for unidirectional and 0.13pF maximum for bidirectional at 3GHz.

What is the ESD withstand voltage rating?

It has an ESD rating of ±20 kV for both air and contact discharge per IEC 61000-4-2.

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