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ST 1.5KE27A

UHV240-VS 3,TVS Diodes - Transient Voltage Suppressors 27V 1500W

Ovaga Certification

Brands: STMicroelectronics, Inc

Mfr.Part #: 1.5KE27A

Datasheet: 1.5KE27A Datasheet (PDF)

Package/Case: DO-201AD

Product Type: TVS Diodes

RoHS Status:

Stock Condition: 3319 pcs, New Original

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1.5KE27A General Description

The 1.5KE TVS series is designed to protect sensitive equipment against electrostatic discharges according to IEC 61000-4-2, MIL STD 883 Method 3015, and electrical overstress such as IEC 61000-4-4 and 5. They are used for surges below 1500 W 10/1000 μs.This planar technology makes it compatible with high-end equipment and SMPS where low leakage current and high junction temperature are required to provide reliability and stability over time.



  • Peak pulse power:
    • 1500 W (10/1000 μs)
    • up to 10 kW (8/20 μs)
  • Stand-off voltage range from 5 V to 376 V
  • Unidirectional and bidirectional types
  • Operating Tj max: 175 °C
  • High power capability at Tj max.: up to 1100 W (10/1000 µs)
  • Lead finishing: matte tin plating


Parameter Value Parameter Value
feature-configuration Single feature-direction-type Uni-Directional
feature-number-of-elements-per-chip 1 feature-minimum-breakdown-voltage-v 25.7
feature-maximum-clamping-voltage-v 37.5 feature-maximum-reverse-stand-off-voltage-v 23.1
feature-maximum-peak-pulse-current-a 40.5 feature-maximum-reverse-leakage-current-ua 1
feature-test-current-ma 1 feature-peak-pulse-power-dissipation-w 1500
feature-packaging Tape and Reel feature-rad-hard
feature-pin-count 2 feature-supplier-package DO-201
feature-standard-package-name1 DO-201 feature-cecc-qualified No
feature-esd-protection Yes feature-military No
feature-aec-qualified No feature-aec-qualified-number
feature-auto-motive No feature-p-pap No
feature-eccn-code EAR99 feature-svhc Yes
feature-svhc-exceeds-threshold Yes


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

Processing Time:Shipping fee depend on different zone and country.


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.0% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US$0.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Datasheet PDF

Preliminary Specification 1.5KE27A PDF Download

Key points

  • The 1.5KE27A chip is a transient voltage suppressor (TVS) diode designed to protect electronic circuits from overvoltage events. It has a peak power dissipation of 1500 watts and a breakdown voltage of 24.4 volts. This chip suppresses high energy transients such as electrostatic discharge (ESD) and voltage spikes, ensuring the safety and reliability of sensitive electronic components.
  • Equivalent

    The equivalent products of the 1.5KE27A chip are the 1.5KE27CA, 1.5KE27C, and 1.5KE27 chips.
  • Features

    The 1.5KE27A is a transient voltage suppressor diode featuring a breakdown voltage of 27V, a peak power dissipation of 1500W, and a low leakage current. It offers a fast response time of less than one nanosecond and is suitable for protecting sensitive electronic devices from overvoltage transients.
  • Pinout

    The 1.5KE27A is a TVS diode. It has a pin count of two and functions as a transient voltage suppressor for overvoltage protection. It protects sensitive electronics from voltage spikes by diverting excess current away from the circuitry.
  • Manufacturer

    The manufacturer of the 1.5KE27A is Vishay Intertechnology, Inc. It is a globally recognized company specialized in the design, manufacture, and distribution of a wide range of electronic components.
  • Application Field

    The 1.5KE27A is a type of transient voltage suppressor diode that is commonly used in electronic circuit protection applications. It is designed to protect sensitive components from voltage spikes and surges by diverting excess electrical energy away from the circuit. This diode can be used in various application areas including telecommunications, automotive systems, industrial equipment, and power supplies.
  • Package

    The 1.5KE27A chip has a package type of DO-201, also known as the axial-leaded package. It comes in a diode form. The size of the package is approximately 5.08mm x 5.08mm x 8.89mm (0.2" x 0.2" x 0.35").

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