TPC16HM3/87A Equivalent & Substitute Parts

Part Overview

The TPC16HM3/87A is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component is designed for transient overvoltage protection in automotive applications, featuring a 12.9V reverse standoff voltage and 23.5V maximum clamping voltage. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.

Substiute Parts

TPC16HM3/87A

Vishay General Semiconductor - Diodes DivisionIn Stock: 1124TPC16HM3/87A Datasheet

Current PartRFQ

TPC16AHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 902TPC16AHM3_A/I Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TPC16HM3/87A is determined by strict alignment of the following electrical and mechanical parameters:

Critical Substitution Parameters:

• Unidirectional channel configuration (1 channel required)
• Reverse standoff voltage range (12.9V nominal)
• Breakdown voltage minimum (14.4V or higher acceptable)
• Clamping voltage maximum (23.5V or lower acceptable)
• Peak pulse current capability (63.8A or higher acceptable)
• Peak pulse power rating (1500W or higher acceptable)
• Operating temperature range (-65°C to 185°C minimum)
• Surface mount package type (TO-277A SMPC)
• Automotive grade qualification (AEC-Q101)

The substitute part TPC16AHM3_A/I meets these criteria with compatible electrical characteristics and identical package specifications, enabling direct functional replacement in automotive TVS protection circuits.

Parameter Comparison

Engineering Selection Recommendations

The TPC16AHM3_A/I is the qualified substitute for the obsolete TPC16HM3/87A. Selection is based on the following engineering criteria:

Product Status: The TPC16AHM3_A/I maintains active production status, ensuring long-term availability and supply chain continuity compared to the obsolete TPC16HM3/87A.

Compliance & Certification: Both components carry identical automotive-grade qualification (AEC-Q101) and ROHS3 compliance, meeting regulatory requirements for automotive applications.

Electrical Compatibility: The TPC16AHM3_A/I exhibits slightly higher reverse standoff voltage (13.6V vs. 12.9V) and lower clamping voltage (22.5V vs. 23.5V), both of which are acceptable variations within the TVS diode tolerance band. The increased peak pulse current capability (66.7A vs. 63.8A) provides enhanced transient protection margin.

Package & Thermal: Identical TO-277A (SMPC) surface mount package and operating temperature range (-65°C to 185°C) ensure mechanical and thermal compatibility without PCB redesign.

Frequently Asked Questions (FAQ)

Q: Can TPC16AHM3_A/I be used as a direct replacement for TPC16HM3/87A?

A: Yes. The TPC16AHM3_A/I is a direct functional substitute. Both components share identical package specifications (TO-277A SMPC), thermal operating range, and automotive qualification (AEC-Q101). Electrical parameters are within acceptable tolerance bands for TVS diode applications.

Q: What are the key electrical differences between these parts?

A: The TPC16AHM3_A/I has a higher reverse standoff voltage (13.6V vs. 12.9V), lower clamping voltage (22.5V vs. 23.5V), and higher peak pulse current capability (66.7A vs. 63.8A). These variations are compatible with the original circuit design and provide equivalent or improved transient protection performance.

Q: Are there packaging differences?

A: No. Both components use the TO-277A (SMPC) surface mount package with identical pinout and footprint. No PCB modifications are required for substitution.

Q: Does the substitute part meet automotive compliance requirements?

A: Yes. The TPC16AHM3_A/I carries AEC-Q101 automotive qualification and ROHS3 compliance, matching the original part's regulatory status.

Q: Why is the original part obsolete?

A: The TPC16HM3/87A is classified as obsolete by the manufacturer. The TPC16AHM3_A/I represents the active production equivalent within the same PAR® and eSMP® series, ensuring continued availability and support.

Q: What is the difference between the packaging options listed?

A: The TPC16HM3/87A does not specify a packaging format in the provided data. The TPC16AHM3_A/I is supplied in Tape & Reel (TR) format, which is standard for high-volume surface mount assembly. Both use the identical TO-277A (SMPC) component package.