15KP70A-TP Transient Voltage Suppressor - Equivalent & Substitute Parts

Part Overview

The 15KP70A-TP is a unidirectional Zener-type transient voltage suppressor (TVS) diode manufactured by Micro Commercial Co, designed for general-purpose overvoltage protection applications. This through-hole axial component operates across a temperature range of -55°C to 175°C and is ROHS3 compliant. The part is currently in active production status with 675 units available in stock. Alternative equivalent parts are available from other manufacturers to support supply chain flexibility and procurement requirements.

Substiute Parts

15KP70A-TP

Micro Commercial CoIn Stock: 72715KP70A-TP Datasheet

Current PartRFQ

30KPA70A

MDE Semiconductor IncIn Stock: 201630KPA70A Datasheet

SimilarRFQ

5KP70A

Littelfuse Inc.In Stock: 48135KP70A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 15KP70A-TP is determined by the following critical parameters:

• Voltage - Reverse Standoff (Typ): 70V
• Voltage - Breakdown (Min): 77.8V ± tolerance
• Voltage - Clamping (Max) @ Ipp: 114V ± tolerance
• Unidirectional Channels: 1
• Type: Zener
• Mounting Type: Through Hole
• Operating Temperature Range: -55°C ~ 175°C (TJ)
• Applications: General Purpose
• RoHS Status: ROHS3 Compliant

The identified substitute parts maintain electrical compatibility within the specified voltage and thermal parameters. Differences in power dissipation ratings, peak pulse current, and package configurations are noted in the comparison table below.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain active production status and ROHS3 compliance, supporting long-term availability and regulatory requirements. The 30KPA70A offers the highest power dissipation rating at 30kW, suitable for applications requiring enhanced transient energy absorption. The 5KP70A provides the lowest power rating at 5kW with reduced peak pulse current. The 15KP70A-TP occupies the mid-range at 15kW power dissipation. Package differences exist between the R-6 configuration of the main part and the P600 configurations of both substitutes, requiring verification of mechanical fit within the target application. All parts share identical reverse standoff voltage, operating temperature range, and unidirectional channel configuration.

Frequently Asked Questions (FAQ)

Q: Can the 30KPA70A replace the 15KP70A-TP in all applications?

A: The 30KPA70A maintains electrical compatibility across voltage parameters and operating temperature. However, the package configuration differs (P600 vs. R-6), requiring mechanical verification for board layout compatibility.

Q: What is the primary difference between the 5KP70A and the 15KP70A-TP?

A: The 5KP70A has a lower peak pulse power rating of 5kW compared to the 15kW rating of the 15KP70A-TP, resulting in reduced peak pulse current (45.1A vs. unspecified). This affects transient energy handling capacity. Both maintain identical voltage standoff and clamping characteristics.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, the 15KP70A-TP, 30KPA70A, and 5KP70A are all ROHS3 compliant, meeting regulatory requirements for hazardous substance restrictions.

Q: Do package differences affect electrical performance?

A: Package differences (R-6 vs. P600) are mechanical and do not affect electrical performance. However, they impact physical dimensions, lead spacing, and board layout compatibility.

Q: What is the operating temperature range for all parts?

A: All three parts operate across -55°C to 175°C junction temperature, providing identical thermal performance specifications.

Q: Which substitute part has the highest power dissipation capability?

A: The 30KPA70A has the highest peak pulse power rating at 30kW, compared to 15kW for the 15KP70A-TP and 5kW for the 5KP70A.