1N6360 Equivalent & Substitute Parts

Part Overview

The 1N6360 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose transient voltage protection applications. This through-hole component operates with a 15V reverse standoff voltage and provides 60A peak pulse current capability in a DO-13 package. The part is currently active in production with 901 units in stock.

Equivalent and substitute parts are identified to address application requirements including package format preferences, compliance certifications, inventory availability, and operational temperature range specifications.

Substiute Parts

1N6360

Microchip TechnologyIn Stock: 10001N6360 Datasheet

Current PartRFQ

LCE15A

Littelfuse Inc.In Stock: 2372LCE15A Datasheet

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LCE18A

Littelfuse Inc.In Stock: 1007LCE18A Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1N6360 TVS diode is determined by the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

• Voltage - Reverse Standoff (Typ): 15V nominal operating point
• Voltage - Clamping (Max) @ Ipp: Maximum transient voltage suppression level
• Current - Peak Pulse (10/1000µs): Peak pulse current handling capability
• Power - Peak Pulse: Total energy dissipation capacity
• Type: Zener unidirectional TVS diode configuration

Mechanical Compatibility Criteria:

• Mounting Type: Through Hole configuration
• Package / Case: DO-13, DO-201, or equivalent axial packages
• Unidirectional Channels: Single channel protection

Operational Criteria:

• Operating Temperature Range: -65°C to 175°C junction temperature
• Product Status: Active production status
• Compliance: RoHS and REACH certifications

The substitute parts LCE15A and LCE18A maintain the same reverse standoff voltage class (15V and 18V respectively), equivalent peak pulse power dissipation (1500W), through-hole mounting configuration, and active product status. Both substitute parts are manufactured by Littelfuse Inc. and are ROHS3 compliant, offering enhanced environmental compliance compared to the 1N6360.

Parameter Comparison

Engineering Selection Recommendations

1N6360 (Microchip Technology)

Select the 1N6360 for applications requiring the lowest clamping voltage (20.6V) and highest peak pulse current (60A) within the 15V standoff class. This part is suitable for legacy designs and applications where the extended low-temperature operating range (-65°C minimum) is required. Note that this part is RoHS non-compliant and may not meet modern procurement requirements for environmentally restricted substances.

LCE15A (Littelfuse Inc.)

The LCE15A provides direct voltage class equivalence (15V standoff) with equivalent peak pulse current (61A) and identical power dissipation (1500W). This part is ROHS3 compliant and offers superior environmental compliance. The LCE15A is suitable for new designs and applications where RoHS compliance is mandatory. The higher clamping voltage (24.4V) compared to the 1N6360 (20.6V) requires circuit-level evaluation for transient suppression adequacy. Operating temperature range is -55°C to 175°C, which is acceptable for most industrial and commercial applications.

LCE18A (Littelfuse Inc.)

The LCE18A operates in a higher voltage class (18V standoff) with reduced peak pulse current (51A) but maintains equivalent power dissipation (1500W). This part is ROHS3 compliant and suitable for applications requiring higher voltage protection thresholds. The LCE18A is appropriate for circuits where the 15V standoff voltage of the 1N6360 is insufficient and higher transient voltage suppression is required. Operating temperature range is -55°C to 175°C.

Compliance Considerations

Both Littelfuse substitute parts (LCE15A and LCE18A) are ROHS3 compliant, whereas the 1N6360 is RoHS non-compliant. For applications subject to RoHS directives or customer compliance requirements, the Littelfuse alternatives are required. All three parts are REACH unaffected and classified under ECCN EAR99.

Frequently Asked Questions (FAQ)

Q: Can the LCE15A directly replace the 1N6360 in existing designs?

A: The LCE15A is electrically compatible as a substitute for the 1N6360 within the 15V standoff voltage class. Both parts maintain 1500W peak pulse power dissipation and equivalent peak pulse current (60A vs. 61A). However, the LCE15A has a higher clamping voltage (24.4V vs. 20.6V), which may affect transient suppression performance. Package differences (DO-201 vs. DO-13) require PCB layout verification. Circuit-level testing is necessary to confirm performance equivalence in the specific application.

Q: What is the difference between DO-13 and DO-201 packages?

A: The DO-13 package (1N6360) and DO-201 package (LCE15A, LCE18A) are both through-hole axial lead configurations. The DO-201 is a larger package format. Physical dimensions and lead spacing differ, requiring PCB footprint modification when substituting between these packages. Both packages are suitable for through-hole soldering processes.

Q: Why does the LCE18A have lower peak pulse current (51A) than the 1N6360 (60A)?

A: The LCE18A operates in a higher voltage class (18V standoff vs. 15V standoff). The reduced peak pulse current (51A) is a characteristic of the higher voltage rating within the same 1500W power dissipation class. The relationship between voltage rating, current capability, and power dissipation follows the equation P = V × I. Higher voltage ratings result in lower current capabilities at constant power levels.

Q: Is the 1N6360 suitable for new product designs?

A: The 1N6360 is an active product from Microchip Technology; however, it is RoHS non-compliant. For new designs subject to RoHS directives or customer environmental compliance requirements, the ROHS3-compliant alternatives (LCE15A or LCE18A) are recommended. The 1N6360 remains suitable for legacy product support and applications where RoHS compliance is not required.

Q: What is the operating temperature difference between the 1N6360 and substitute parts?

A: The 1N6360 operates from -65°C to 175°C junction temperature, providing a 10°C lower minimum temperature limit compared to the LCE15A and LCE18A (-55°C to 175°C). For applications requiring operation below -55°C, the 1N6360 is the appropriate selection. For standard industrial and commercial temperature ranges, the substitute parts are acceptable.

Q: How do I select between LCE15A and LCE18A?

A: Selection between LCE15A and LCE18A depends on the circuit's reverse standoff voltage requirement. The LCE15A maintains the same 15V standoff voltage as the 1N6360, making it the direct equivalent for 15V protection circuits. The LCE18A is selected for applications requiring 18V standoff voltage protection. Verify the circuit's normal operating voltage and transient suppression threshold to determine the appropriate voltage class.

Q: Are all three parts available in the same packaging options?

A: No. The 1N6360 is available only in DO-13 package. The LCE15A and LCE18A are available in DO-201AA, DO-27, and Axial configurations. Package selection affects PCB layout and soldering process compatibility. Verify package availability and PCB footprint compatibility before finalizing part selection.