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NTE4952 NTE4952 is a unidirectional TVS diode from NTE Electronics with a 77V clamping voltage and 19.5A peak pulse current. It has a reverse standoff voltage of 47.8V and operates from -65°C to 175°C.
Mfr Part #:

NTE4952

Available from 1 distributors
Mfr Name: NTE Electronics
NTE Electronics
NTE4952 is a unidirectional TVS diode from NTE Electronics with a 77V clamping voltage and 19.5A peak pulse current. It has a reverse standoff voltage of 47.8V and operates from -65°C to 175°C.
✓ Total Stock: 2 pcs

NTE4952 Available from 1 distributor

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✓ Non-Authorised
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Bristol Electronics ✓
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2 pcs
On Request
2 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
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NTE4952 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Operating Temperature
Unidirectional Channels
Voltage
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NTE4952 Description

Short technical summary and product information.

The NTE4952 is a unidirectional transient voltage suppression (TVS) diode designed to protect sensitive electronic circuits from voltage transients and surges. Key electrical specifications include a clamping voltage of 77V at a peak pulse current of 19.5A, and a reverse standoff voltage of 47.8V. This single-channel device operates reliably over a wide temperature range of -65°C to 175°C, making it suitable for demanding environments. The component is RoHS3 compliant and meets REACH requirements. While the package type is not specified in the available data, the NTE4952 is intended for through-hole or surface-mount applications depending on the package variant. It is commonly used in power supply protection, signal line clamping, and industrial equipment where transient overvoltage events must be mitigated.

NTE4952 Quick Information

Product Type: TVS Diode
Canonical Name: NTE Electronics NTE4952 TVS Diode, Unidirectional, 77V Clamping, 19.5A
Subcategory: Unidirectional TVS Diode

NTE4952 Compliance

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

NTE4952 Features

  • Clamping voltage of 77V for transient protection.
  • Peak pulse current rating of 19.5A.
  • Reverse standoff voltage of 47.8V.
  • Unidirectional single channel configuration.
  • Wide operating temperature range -65°C to 175°C.

NTE4952 Applications

  • Protect sensitive electronics from voltage spikes.
  • Suitable for power supply and signal line protection.
  • Use in industrial and automotive environments.

NTE4952 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the clamping voltage of NTE4952?

77V.

What is the peak pulse current rating?

19.5A.

What is the reverse standoff voltage?

47.8V.

How many channels does it have?

1 unidirectional channel.

What is the operating temperature range?

-65°C to 175°C.

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