1.5KE350A The 1.5KE350A is a 1500W unidirectional TVS diode with 299V reverse standoff voltage and 618V clamping voltage, housed in a DO-201 through-hole package.
Mfr Part #:

1.5KE350A

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The 1.5KE350A is a 1500W unidirectional TVS diode with 299V reverse standoff voltage and 618V clamping voltage, housed in a DO-201 through-hole package.
Total Stock: 9,059 pcs

1.5KE350A Available from 3 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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9,000 pcs
9000 pcs On Request 1 On Request On Request On Request On Request On Request
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50 pcs
50 pcs On Request 1 On Request On Request On Request On Request On Request
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9 pcs
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1.5KE350A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Capacitance @ Frequency
Current
Current - Peak Pulse (10/1000µs)
Halogen Free
Mounting Type
Operating Temperature Range
Package / Case
Power
Power - Peak Pulse
Power Line Protection
Response Time
SVHC Present
Supplier Device Package
Tape & Reel
Type
Unidirectional Channels
Voltage
Voltage - Clamping (Max) @ Ipp
Voltage - Reverse Standoff (Typ)

1.5KE350A Description

Short technical summary and product information.

The 1.5KE350A is a unidirectional transient voltage suppression (TVS) diode designed to protect sensitive electronic equipment from voltage transients. It features a reverse standoff voltage of 299V and a maximum clamping voltage of 618V at the peak pulse current. With a peak pulse power dissipation of 1500W (10/1000µs waveform), it provides robust protection for I/O interfaces, VCC bus, and other vulnerable circuits in telecom, computer, industrial, and consumer applications.

 

The device offers a fast response time of less than 1.0 ps from 0V to breakdown voltage, ensuring rapid clamping of transient events. It is housed in a DO-201 (DO-201AA, DO-27, Axial) through-hole package, suitable for automated insertion. The operating junction temperature range is -55°C to 175°C, and the part is lead-free (Pb-free E3) and halogen-free.

1.5KE350A Quick Information

Product Type: TVS Diode
Series: 1.5KE
Canonical Name: 1.5KE350A TVS Diode, 299V Reverse Standoff, 618V Clamping, DO-201
Subcategory: Axial Leaded TVS

1.5KE350A Compliance

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

1.5KE350A Features

  • 1500W peak pulse power dissipation.
  • 299V reverse standoff voltage rating.
  • 618V maximum clamping voltage.
  • Fast response time under 1.0 ps.
  • Through-hole DO-201 package.

1.5KE350A Applications

  • Protection for telecom line interfaces.
  • Safeguards VCC bus in industrial equipment.
  • Used in computer power supply circuits.
  • Ideal for consumer electronics transient protection.

1.5KE350A FAQs

5 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the 1.5KE350A?

The reverse standoff voltage is 299V.

What is the clamping voltage of the 1.5KE350A?

The maximum clamping voltage is 618V at the peak pulse current.

What is the peak pulse power rating of the 1.5KE350A?

The peak pulse power dissipation is 1500W for a 10/1000µs waveform.

What package does the 1.5KE350A come in?

It is available in a DO-201 (DO-201AA, DO-27, Axial) through-hole package.

What is the operating temperature range for the 1.5KE350A?

The operating junction and storage temperature range is -55°C to 175°C.

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