TPSMB440A-A The Littelfuse Inc. TPSMB440A-A is a TVS Diode designed for voltage transient suppression. It features a 600W peak pulse power capability and operates in a DO-214AA surface mount package.
Mfr Part #:

TPSMB440A-A

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. TPSMB440A-A is a TVS Diode designed for voltage transient suppression. It features a 600W peak pulse power capability and operates in a DO-214AA surface mount package.
Total Stock: 2,859 pcs
$ Price Range: $0.55

TPSMB440A-A 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
2,850 pcs
2850 pcs On Request 1 On Request On Request 18+ On Request On Request
Non-Authorised Inventory information
9 pcs
9 pcs On Request 1 On Request On Request On Request On Request On Request

TPSMB440A-A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Breakdown Voltage
Current
ESD Protection
Halogen Free
Maximum Instantaneous Forward Voltage
Mounting Type
Operating Temperature
Operating Temperature (@ VBR > 91 V)
Peak Forward Surge Current
Peak Pulse Power Dissipation
Power
Power Dissipation
Power Line Protection
Response Time
Storage Temperature
Supplier Device Package
Thermal Resistance Junction-to-Ambient
Thermal Resistance, Junction to Lead
Type
Unidirectional Channels
Voltage

TPSMB440A-A Description

Short technical summary and product information.

The Littelfuse Inc. TPSMB440A-A is a TVS (Transient Voltage Suppressor) Diode designed to protect sensitive electronic equipment from voltage transients. It offers a peak pulse power dissipation of 600W at a 10/1000 µs waveform.

 

This device features a working voltage of 376V and a breakdown voltage of 602V, with a peak pulse current rating of 1A. It is suitable for automotive applications and provides ESD protection up to 30 kV (Air and Contact) in accordance with IEC 61000-4-2.

 

The TPSMB440A-A is a surface mount component housed in a DO-214AA (SMBJ) package. It has a fast response time, typically less than 1.0 ns, and operates within a junction temperature range of -65°C to 150°C. The diode is also RoHS3 compliant and halogen-free.

 

Key electrical characteristics include a maximum instantaneous forward voltage of 5V at 50A for unidirectional use. The thermal resistance from junction to lead is 20 °C/W, and junction to ambient is 100 °C/W.

TPSMB440A-A Quick Information

Product Type: TVS Diode
Series: TPSMB
Canonical Name: TPSMB440A-A
Subcategory: TVS Diodes

TPSMB440A-A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-free E3

TPSMB440A-A Estimated Pricing

Qty Low High
1+ $0.55 $0.55

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

TPSMB440A-A Features

  • 600W peak pulse power capability.
  • 376V working voltage, 602V breakdown voltage.
  • Surface mount DO-214AA (SMBJ) package.
  • Automotive grade AEC-Q101 qualified.
  • Fast response time typically less than 1.0 ns.

TPSMB440A-A Applications

  • Protects automotive electronic equipment.
  • Suppresses lightning and transient voltage events.
  • Ideal for I/O interfaces.
  • Used in VCC bus protection.
  • Suitable for driving circuits.

TPSMB440A-A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the peak pulse power dissipation of the TPSMB440A-A?

The peak pulse power dissipation is 600W at a 10/1000 µs waveform.

What is the working voltage for the TPSMB440A-A?

The working voltage is 376VWM.

What is the breakdown voltage of the TPSMB440A-A?

The breakdown voltage is 602VC.

What type of package is the TPSMB440A-A in?

The TPSMB440A-A is in a DO-214AA (SMBJ) package.

What is the operating temperature range for this TVS diode?

The operating junction temperature range is -65°C to 150°C.

Does the TPSMB440A-A meet RoHS compliance?

Yes, the TPSMB440A-A is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the TPSMB440A-A?

The Moisture Sensitivity Level is 1 Unlimited.

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