SMAJ350A The SMAJ350A is a 400W unidirectional TVS diode from Littelfuse with a 350V reverse standoff voltage and 567V clamping voltage. It is housed in a surface mount DO-214AC (SMA) package.
Mfr Part #:

SMAJ350A

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The SMAJ350A is a 400W unidirectional TVS diode from Littelfuse with a 350V reverse standoff voltage and 567V clamping voltage. It is housed in a surface mount DO-214AC (SMA) package.
Total Stock: 22,759 pcs
$ Price Range: $0.20 - $0.84

SMAJ350A Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
22,653 pcs
22653 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
106 pcs
106 pcs On Request 1 On Request On Request On Request On Request On Request

SMAJ350A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Forward Voltage @ 25A
Halogen Free
Mounting Type
Operating Temperature
Peak Forward Surge Current (8.3ms)
Peak Pulse Power Dissipation (10/1000µs)
Power
Power Line Protection
Response Time
SVHC Present
Storage Temperature
Storage Temperature Range
Supplier Device Package
Tape & Reel
Thermal Resistance Junction-to-Ambient
Thermal Resistance, Junction to Lead
Type
Unidirectional Channels
Voltage
Voltage - Breakdown (Min)
Voltage - Reverse Standoff (Typ)

SMAJ350A Description

Short technical summary and product information.

The SMAJ350A is a 400W unidirectional transient voltage suppression (TVS) diode from Littelfuse, designed to protect sensitive electronic equipment from voltage transients. It features a reverse standoff voltage of 350V and a maximum clamping voltage of 567V at a peak pulse current of 700mA (10/1000µs waveform). The device offers a fast response time of less than 1.0ps from 0V to the breakdown voltage minimum.

 

This TVS diode is suitable for general purpose applications and is ideal for protecting I/O interfaces, VCC bus, and other vulnerable circuits in telecom, computer, industrial, and consumer electronics. It is rated for a peak pulse power dissipation of 400W and can handle a peak forward surge current of 60A (8.3ms). The device is glass passivated for junction protection and has a typical thermal resistance junction to lead of 30°C/W.

 

The SMAJ350A is packaged in a surface mount DO-214AC (SMA) package, enabling compact PCB layouts. It operates over a junction temperature range of -65°C to 150°C and is RoHS compliant and halogen free.

SMAJ350A Quick Information

Product Type: TVS Diode
Series: SMAJ
Canonical Name: SMAJ350A Littelfuse TVS Diode, 400W, Unidirectional, DO-214AC
Subcategory: Unidirectional TVS Diode

SMAJ350A Compliance

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

SMAJ350A Estimated Pricing

Qty Low High
1+ $0.84 $0.84
10+ $0.53 $0.53
100+ $0.35 $0.35
500+ $0.27 $0.27
1,000+ $0.24 $0.24
2,500+ $0.22 $0.22
5,000+ $0.20 $0.20

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

SMAJ350A Features

  • 400W peak pulse power dissipation.
  • 350V reverse standoff voltage.
  • 567V maximum clamping voltage.
  • Fast response time less than 1.0ps.
  • Surface mount DO-214AC (SMA) package.

SMAJ350A Applications

  • Protects I/O interfaces from voltage transients.
  • Suitable for VCC bus protection circuits.
  • Used in telecom and computer electronics.
  • Ideal for industrial and consumer applications.

SMAJ350A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SMAJ350A?

The reverse standoff voltage is 350V.

What is the clamping voltage of the SMAJ350A?

The maximum clamping voltage is 567V at a peak pulse current of 700mA (10/1000µs waveform).

What is the peak pulse power rating of the SMAJ350A?

The peak pulse power dissipation is 400W for a 10/1000µs waveform.

What package does the SMAJ350A come in?

The SMAJ350A is available in a surface mount DO-214AC (SMA) package.

What is the operating temperature range of the SMAJ350A?

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

Is the SMAJ350A RoHS compliant?

Yes, the SMAJ350A is RoHS3 compliant and halogen free as per the datasheet.

What is the response time of the SMAJ350A TVS diode?

The response time is typically less than 1.0ps from 0V to the breakdown voltage minimum.

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