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1.5KE91A The Yageo 1.5KE91A is a unidirectional TVS diode designed for ESD protection. It features a 77.8V reverse standoff voltage and a 12.2A peak pulse current capability.
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1.5KE91A

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The Yageo 1.5KE91A is a unidirectional TVS diode designed for ESD protection. It features a 77.8V reverse standoff voltage and a 12.2A peak pulse current capability.
✓ Total Stock: 1,365 pcs
$ Price Range: $0.99

1.5KE91A Available from 1 distributor

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1.5KE91A Specifications Quick View

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1.5KE91A Description

Short technical summary and product information.

The Yageo 1.5KE91A is a unidirectional Transient Voltage Suppressor (TVS) diode designed for robust ESD protection. This component operates with a reverse standoff voltage of 77.8V and a minimum breakdown voltage of 86.5V. It can handle a peak pulse current of 12.2A at 10/1000 S, with a maximum clamping voltage of 125V at 12.2A.

 

The diode is housed in a DO-201 package, suitable for through-hole mounting. Its unidirectional polarity makes it ideal for protecting sensitive electronic components from transient overvoltages and electrostatic discharges.

 

Key electrical characteristics include a reverse leakage current of 500 µA. The component is specified with RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status, though these are not verified by documentation.

1.5KE91A Quick Information

Product Type: TVS Diode
Canonical Name: 1.5KE91A Unidirectional TVS Diode
Subcategory: ESD Protection Diodes / TVS Diodes

1.5KE91A Compliance

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

1.5KE91A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

1.5KE91A Features

  • High reverse stand-off voltage of 77.8V
  • Breakdown voltage between 86.5V and 95.5V
  • Maximum clamping voltage of 125V at 12.2A
  • Unidirectional polarity for circuit protection
  • Packaged in DO-201 case for through-hole mounting

1.5KE91A Applications

  • Protects power supply lines from voltage spikes
  • Used in data line transient suppression
  • Suitable for automotive and industrial circuits
  • Ideal for sensitive electronic device protection

1.5KE91A FAQs

5 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the 1.5KE91A TVS diode?

The reverse standoff voltage is 77.8 V.

What is the minimum breakdown voltage for the 1.5KE91A?

The minimum breakdown voltage is 86.5 V.

What is the maximum clamping voltage at peak pulse current for the 1.5KE91A?

The maximum clamping voltage is 125 V at 12.2 A.

What is the peak pulse current rating of the 1.5KE91A?

The peak pulse current rating is 12.2 A for a 10/1000 S pulse.

What package type is the 1.5KE91A TVS diode supplied in?

The 1.5KE91A is supplied in a DO-201 package.

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