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SMAJ30A Bourns SMAJ30A is a unidirectional TVS diode with 30V reverse standoff voltage, 48.4V clamping voltage, and 400W peak pulse power. It is housed in a surface-mount DO-214AC (SMA) package.
Mfr Part #:

SMAJ30A

Available from 2 distributors
Mfr Name: Bourns
Bourns
Bourns SMAJ30A is a unidirectional TVS diode with 30V reverse standoff voltage, 48.4V clamping voltage, and 400W peak pulse power. It is housed in a surface-mount DO-214AC (SMA) package.
✓ Total Stock: 10,126 pcs

SMAJ30A 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
10,000 pcs
On Request
10000 pcs On Request 1 On Request On Request 1822+ On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
126 pcs
On Request
126 pcs On Request 1 On Request On Request 11+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SMAJ30A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Mounting Type
Operating Temperature
Power
Power Line Protection
Storage Temperature
Supplier Device Package
Tape & Reel
Type
Unidirectional Channels
Voltage
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SMAJ30A Description

Short technical summary and product information.

The Bourns SMAJ30A is a unidirectional transient voltage suppressor diode designed for surge and ESD protection in general-purpose applications. It features a reverse standoff voltage of 30V and a clamping voltage of 48.4V at a peak pulse current of 8.3A, with a peak pulse power dissipation of 400W (10/1000µs waveform). The device offers fast response times of less than 1 picosecond, making it suitable for protecting sensitive electronics from voltage transients.

 

The SMAJ30A is packaged in a compact DO-214AC (SMA) surface-mount package, enabling automated assembly and space-efficient designs. It operates over a temperature range of -55°C to +150°C and is RoHS compliant. The diode is designed to meet IEC 61000-4-2 ESD, IEC 61000-4-4 EFT, and IEC 61000-4-5 surge standards, providing robust protection for portable communications, computing, and video equipment.

SMAJ30A Quick Information

Product Type: TVS Diode
Series: SMAJ
Canonical Name: SMAJ30A TVS Diode, 30V Reverse Standoff, 400W, Unidirectional, DO-214AC (SMA)
Subcategory: TVS Diodes

SMAJ30A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: Non-Compliant

SMAJ30A Features

  • 30V reverse standoff voltage protection.
  • 400W peak pulse power dissipation.
  • Unidirectional TVS diode with fast response.
  • Surface mount DO-214AC (SMA) package.
  • RoHS3 compliant and lead-free.

SMAJ30A Applications

  • Protects portable electronics from voltage surges.
  • Used in computing and video equipment circuits.
  • Suitable for ESD protection in I/O lines.

SMAJ30A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SMAJ30A?

30V.

What is the clamping voltage of the SMAJ30A?

48.4V at 8.3A peak pulse current.

What is the peak pulse current rating?

8.3A.

What package does the SMAJ30A come in?

DO-214AC (SMA) surface mount package.

What is the peak pulse power rating?

400W.

Is the SMAJ30A unidirectional or bidirectional?

Unidirectional.

What is the operating temperature range?

-55°C to +150°C.

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