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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
Smaxon Electronics ✓
Non-Authorised Inventory information
2,850 pcs
On Request
2850 pcs On Request 1 On Request On Request 18+ On Request On Request
Trace Tec ✓
Non-Authorised Inventory information
9 pcs
On Request
9 pcs On Request 1 On Request On Request On Request On Request On Request
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TPSMB440A-A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
ESD Protection
Halogen Free
Mounting Type
Operating Temperature
Peak Forward Surge Current
Power
Power Dissipation
Power Line Protection
Response Time
Storage Temperature
Supplier Device Package
Type
Unidirectional Channels
Voltage
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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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