LCE60A Transient Voltage Suppressor Equivalent & Substitute Parts

Part Overview

The LCE60A is an active Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection applications. This unidirectional zener-type device operates through a 60V reverse standoff voltage with a maximum clamping voltage of 96.8V at peak pulse current. The component is housed in a DO-201AA axial through-hole package and maintains active product status with full RoHS3 compliance and REACH unaffected certification.

Equivalent and substitute parts are identified when they maintain compatibility across critical electrical parameters including reverse standoff voltage, clamping voltage, peak pulse current capability, and power dissipation ratings, while accommodating variations in packaging format and thermal operating ranges.

Key Parameters

Parameter	LCE60A Value	Unit
Voltage - Reverse Standoff (Typ)	60	V
Voltage - Breakdown (Min)	66.7	V
Voltage - Clamping (Max) @ Ipp	96.8	V
Current - Peak Pulse (10/1000µs)	15.5	A
Power - Peak Pulse	1500	W
Operating Temperature Range	-65 to 175	°C
Mounting Type	Through Hole	-
Package / Case	DO-201AA	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the LCE60A are qualified based on the following critical electrical parameters that determine functional equivalence:

Primary Matching Criteria:

Voltage - Reverse Standoff (Typ): 60V
Voltage - Clamping (Max) @ Ipp: 96.8V
Unidirectional channel configuration: 1 channel
Type: Zener
Mounting Type: Through Hole
Applications: General Purpose

Secondary Compatibility Factors:

Power - Peak Pulse rating (equal or greater)
Operating temperature range (must encompass application requirements)
RoHS3 compliance status
Package format (axial through-hole variants acceptable)

The identified substitutes maintain the core voltage protection characteristics while accommodating variations in peak pulse current handling and thermal specifications.

Parameter Comparison

Parameter	LCE60A (Littelfuse)	5KP60A (Diotec)	1.5KE56A-TP (Micro Commercial Co)	Unit
Voltage - Reverse Standoff (Typ)	60	60	47.8	V
Voltage - Breakdown (Min)	66.7	66.7	53.2	V
Voltage - Clamping (Max) @ Ipp	96.8	96.8	77	V
Current - Peak Pulse (10/1000µs)	15.5	52	-	A
Power - Peak Pulse	1500	5000	1500	W
Operating Temperature Range	-65 to 175	-50 to 175	-55 to 175	°C
Mounting Type	Through Hole	Through Hole	Through Hole	-
Package / Case	DO-201AA	P600	DO-201AE	-
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	-
Product Status	Active	Active	Active	-

Engineering Selection Recommendations

5KP60A (Diotec Semiconductor): This substitute maintains identical voltage specifications (60V reverse standoff, 96.8V clamping) with enhanced peak pulse current capability (52A versus 15.5A) and significantly higher power dissipation (5000W versus 1500W). The P600 axial package provides mechanical compatibility with through-hole mounting requirements. Operating temperature range (-50 to 175°C) covers standard industrial applications. RoHS3 compliance and active product status ensure regulatory alignment and supply continuity.

1.5KE56A-TP (Micro Commercial Co): This substitute operates at a lower voltage tier (47.8V reverse standoff, 77V clamping) and is suitable only for applications where the protected circuit operates at reduced voltage levels. Power dissipation matches the LCE60A at 1500W. The DO-201AE package maintains axial through-hole form factor compatibility. Operating temperature range (-55 to 175°C) and RoHS3 compliance support standard deployment scenarios. Peak pulse current specification is not provided for this part.

Selection between substitutes depends on application voltage requirements and available thermal dissipation capacity.

Frequently Asked Questions (FAQ)

Q: Can the 5KP60A directly replace the LCE60A in all applications?

A: The 5KP60A maintains identical voltage protection characteristics (60V standoff, 96.8V clamping) and through-hole mounting compatibility. The higher peak pulse current (52A) and power rating (5000W) provide enhanced protection margin. Physical package dimensions differ (P600 versus DO-201AA), requiring verification of PCB layout and mechanical clearance before substitution.

Q: Is the 1.5KE56A-TP a suitable replacement for the LCE60A?

A: The 1.5KE56A-TP operates at a lower voltage level (47.8V standoff versus 60V) and produces a lower clamping voltage (77V versus 96.8V). This substitute is appropriate only for circuits designed to operate at the lower voltage specification. Direct substitution in a 60V-rated circuit would result in inadequate overvoltage protection.

Q: What are the package compatibility considerations?

A: All three parts use axial through-hole mounting. The LCE60A uses DO-201AA packaging, the 5KP60A uses P600 packaging, and the 1.5KE56A-TP uses DO-201AE packaging. Physical dimensions and lead spacing may differ; PCB footprint verification is necessary before substitution.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The LCE60A, 5KP60A, and 1.5KE56A-TP all carry RoHS3 compliance certification, ensuring regulatory alignment for applications subject to RoHS requirements.

Q: What is the significance of the peak pulse current rating difference?

A: The 5KP60A supports 52A peak pulse current compared to the LCE60A's 15.5A. This higher rating indicates greater transient energy absorption capability. Selection depends on the expected surge current magnitude in the protected circuit.

Q: How do operating temperature ranges affect substitution decisions?

A: The LCE60A operates from -65 to 175°C, the 5KP60A from -50 to 175°C, and the 1.5KE56A-TP from -55 to 175°C. For applications requiring operation below -50°C, the LCE60A is the only qualified option among these three parts.

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