5KP16CE3/TR13 Equivalent & Substitute Parts

Part Overview

The 5KP16CE3/TR13 is a bidirectional Zener transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose transient voltage protection applications. This through-hole component operates across a temperature range of -55°C to 175°C and is supplied in tape and reel packaging. The part is currently active in production status and maintains full ROHS3 compliance with unlimited moisture sensitivity rating.

Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter tolerances while maintaining compatibility with through-hole mounting requirements and general-purpose protection applications.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	16	V
Voltage - Breakdown (Min)	17.8	V
Voltage - Clamping (Max) @ Ipp	28.8	V
Current - Peak Pulse (10/1000µs)	174	A
Power - Peak Pulse	5000	W
Type	Zener	-
Bidirectional Channels	1	-
Mounting Type	Through Hole	-
Package / Case	P600, Axial	-
Operating Temperature	-55 to 175	°C

Substitute Part Grouping Explanation

Substitution eligibility for the 5KP16CE3/TR13 is determined by the following critical parameters:

Voltage Parameters: Reverse standoff voltage, breakdown voltage minimum, and clamping voltage maximum must fall within acceptable ranges to ensure proper transient suppression without nuisance triggering or excessive clamping voltage.

Current Handling: Peak pulse current rating must support the intended protection application without thermal stress or component failure.

Power Dissipation: Peak pulse power rating must accommodate the energy absorption requirements of the protected circuit.

Physical Compatibility: Through-hole mounting type is required. Package form factor (P600 axial or equivalent through-hole packages) must be compatible with circuit board layout.

Environmental Compliance: Operating temperature range, RoHS status, and moisture sensitivity level must meet or exceed the original component specifications.

Application Class: General-purpose transient voltage protection classification applies to all identified substitutes.

Parameter Comparison

Parameter	5KP16CE3/TR13 (Main)	1.5KE18CA	P6KE18CA	SA15CA-B	SLD16-018
Manufacturer	Microchip Technology	Taiwan Semiconductor Corporation	Diotec Semiconductor	Littelfuse Inc.	Littelfuse Inc.
Voltage - Reverse Standoff (Typ)	16V	15.3V	15.3V	15V	16V
Voltage - Breakdown (Min)	17.8V	17.1V	17.1V	16.7V	18V
Voltage - Clamping (Max) @ Ipp	28.8V	25.5V	25.2V	24.4V	26V
Current - Peak Pulse (10/1000µs)	174A	60A	25A	20.9A	196.2A
Power - Peak Pulse	5000W	1500W	600W	500W	5000W
Type	Zener	Zener	Zener	Zener	Zener
Bidirectional Channels	1	1	1	1	1
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	P600, Axial	DO-201AA, DO-27, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	P600, Axial
Operating Temperature	-55 to 175°C	-55 to 175°C	-50 to 175°C	-55 to 175°C	-55 to 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Not applicable	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

SLD16-018 (Littelfuse Inc.) provides the closest electrical equivalence to the 5KP16CE3/TR13. Both components share identical reverse standoff voltage (16V), comparable breakdown voltage (18V vs. 17.8V), similar clamping voltage (26V vs. 28.8V), and matching 5000W peak pulse power rating. The SLD16-018 delivers slightly higher peak pulse current (196.2A vs. 174A) and maintains the same P600 axial package form factor. Both components operate across -55°C to 175°C and carry ROHS3 compliance. The SLD16-018 is qualified to AEC-Q101 automotive standards and supplied in cut tape packaging.

1.5KE18CA (Taiwan Semiconductor Corporation) operates within acceptable voltage parameters with 15.3V reverse standoff and 25.5V clamping voltage. This substitute is suitable for applications where peak pulse current requirements do not exceed 60A and power dissipation is limited to 1500W. The component maintains full ROHS3 compliance and operates across the same temperature range. Package form factor is DO-201AA/DO-27 axial, requiring board layout verification for compatibility.

SA15CA-B (Littelfuse Inc.) functions as a substitute for lower-current applications requiring peak pulse current below 20.9A and power dissipation below 500W. Reverse standoff voltage is 15V with clamping voltage of 24.4V. This component carries ROHS3 compliance and operates across -55°C to 175°C. Package form factor is DO-204AC (DO-15) axial, requiring board layout verification.

P6KE18CA (Diotec Semiconductor) is suitable for applications with peak pulse current requirements below 25A and power dissipation below 600W. Reverse standoff voltage is 15.3V with clamping voltage of 25.2V. Operating temperature range is -50°C to 175°C. RoHS status is not applicable for this component. Package form factor is DO-204AC (DO-15) axial.

Frequently Asked Questions (FAQ)

Q: Can the SLD16-018 directly replace the 5KP16CE3/TR13 in all applications?

A: The SLD16-018 provides electrical equivalence across all critical parameters and shares the same P600 axial package form factor. Both components operate across -55°C to 175°C with 5000W peak pulse power rating. Direct substitution is supported from an electrical and mechanical standpoint. Verify board layout compatibility with the specific packaging format (cut tape vs. tape and reel).

Q: What is the primary limitation when using 1.5KE18CA as a substitute?

A: The 1.5KE18CA is limited to 60A peak pulse current and 1500W power dissipation compared to the 5KP16CE3/TR13 specifications of 174A and 5000W. This substitute is appropriate only for applications with lower transient energy requirements. The DO-201AA/DO-27 package form factor differs from the P600 package, requiring board layout verification.

Q: Are SA15CA-B and P6KE18CA suitable for high-current transient protection?

A: Neither component is suitable for applications requiring the full 174A peak pulse current or 5000W power dissipation of the 5KP16CE3/TR13. SA15CA-B is limited to 20.9A and 500W, while P6KE18CA is limited to 25A and 600W. These substitutes are appropriate only for lower-energy transient protection circuits.

Q: What packaging considerations apply when selecting a substitute?

A: The 5KP16CE3/TR13 uses P600 axial through-hole packaging. The SLD16-018 maintains this same package form factor. The 1.5KE18CA uses DO-201AA/DO-27 axial packaging, while SA15CA-B and P6KE18CA use DO-204AC (DO-15) axial packaging. All are through-hole components, but physical board layout and hole spacing must be verified for each package type.

Q: Do all substitute parts maintain the same environmental compliance as the main part?

A: The 5KP16CE3/TR13, SLD16-018, 1.5KE18CA, and SA15CA-B all carry ROHS3 compliance. The P6KE18CA has not applicable RoHS status. All active-status components operate within the -55°C to 175°C temperature range except P6KE18CA, which operates from -50°C to 175°C. Verify compliance requirements for your specific application before selection.

Q: What is the significance of the voltage parameters in selecting a substitute?

A: Reverse standoff voltage determines the threshold at which the TVS diode remains inactive during normal circuit operation. Breakdown voltage minimum establishes the point at which the diode begins conducting. Clamping voltage maximum defines the peak voltage the diode allows across the protected circuit during a transient event. All substitute parts maintain reverse standoff voltages between 15V and 16V, breakdown voltages between 16.7V and 18V, and clamping voltages between 24.4V and 28.8V, ensuring compatibility with 16V nominal protection applications.

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