SMLJ6.0E3/TR13 Equivalent & Substitute Parts

Part Overview

The SMLJ6.0E3/TR13 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection in surface-mount applications. This component features a 6V reverse standoff voltage, 11.4V maximum clamping voltage, and 263.2A peak pulse current capability in a DO-214AB (SMC) package. The part is active in production status with full RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are necessary when the original manufacturer part becomes unavailable, when alternative sourcing improves supply chain resilience, or when design requirements permit operation within the electrical parameter tolerances of equivalent devices. All substitute parts listed maintain compatibility with the original application through matching or superior electrical characteristics and identical mechanical packaging.

Substiute Parts

SMLJ6.0E3/TR13

Microchip TechnologyIn Stock: 1127SMLJ6.0E3/TR13 Datasheet

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SMCJ6.0A

Taiwan Semiconductor CorporationIn Stock: 26245SMCJ6.0A Datasheet

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SMCJ6.0A

Taiwan Semiconductor CorporationIn Stock: 26245SMCJ6.0A Datasheet

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SMCJ6.0A-13-F

Diodes IncorporatedIn Stock: 1829SMCJ6.0A-13-F Datasheet

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SMCJ6.0A-TR

STMicroelectronicsIn Stock: 7621SMCJ6.0A-TR Datasheet

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SMCJ6V0A

Fairchild SemiconductorIn Stock: 43069SMCJ6V0A Datasheet

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SMDJ6.0A

Alpha & Omega Semiconductor Inc.In Stock: 2366SMDJ6.0A Datasheet

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SMLJ6.0A

Bourns Inc.In Stock: 9198SMLJ6.0A Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SMLJ6.0E3/TR13 is determined by the following critical parameters:

Voltage Parameters: All substitute parts must maintain a reverse standoff voltage of 6V (typical) and breakdown voltage minimum of 6.67V to ensure proper circuit protection thresholds. Clamping voltage at peak pulse current may vary within application tolerance, ranging from 10.3V to 13.7V across the substitute options.

Current and Power Ratings: Peak pulse current capability ranges from 145.6A to 730A across substitute parts, with corresponding power dissipation from 1500W to 3000W. Higher ratings provide enhanced transient suppression capability without compromising circuit compatibility.

Package and Mounting: All substitute parts utilize the DO-214AB (SMC) surface-mount package, ensuring mechanical and electrical compatibility with the original design footprint and assembly process.

Environmental and Compliance: All substitute parts operate across the -55°C to 150°C temperature range and maintain RoHS3 compliance, with moisture sensitivity level 1 (unlimited) where specified.

Device Type: All substitutes are unidirectional Zener-type TVS diodes with single channel configuration, matching the original part topology.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

SMLJ6.0A (Bourns Inc.) and SMDJ6.0A (Alpha & Omega Semiconductor Inc.) are the preferred substitutes. Both parts maintain the 6V reverse standoff voltage, operate across the full -55°C to 150°C temperature range, and provide enhanced peak pulse current (291.3A) and power dissipation (3000W) compared to the original specification. Both are RoHS3 compliant with active production status.

Secondary Substitutes (Acceptable with Application Review):

SMCJ6.0A (Taiwan Semiconductor Corporation) and SMCJ6.0A-13-F (Diodes Incorporated) maintain voltage compatibility and full temperature range operation with RoHS3 compliance. These parts feature reduced peak pulse current (145.6A to 152A) and power rating (1500W), suitable for applications with lower transient energy requirements.

SMCJ6.0A-TR (STMicroelectronics) provides the highest peak pulse current capability (730A at 8/20µs pulse width) with 13.7V clamping voltage, offering superior transient suppression for high-energy surge environments. This part is RoHS3 compliant and actively produced.

Conditional Substitute:

SMCJ6V0A (Fairchild Semiconductor) maintains electrical parameter compatibility but lacks specified operating temperature range and RoHS compliance documentation. This part is suitable only when environmental specifications are not contractually required.

All substitute parts are surface-mount devices in DO-214AB (SMC) packaging, ensuring direct mechanical compatibility with the original design footprint.

Frequently Asked Questions (FAQ)

Q: Can SMCJ6.0A be used as a direct replacement for SMLJ6.0E3/TR13?

A: Yes. Both parts share identical reverse standoff voltage (6V), breakdown voltage (6.67V minimum), and operating temperature range (-55°C to 150°C). The SMCJ6.0A features a lower clamping voltage (10.3V versus 11.4V) and reduced peak pulse current (152A versus 263.2A), making it suitable for applications with lower transient energy levels. Both are RoHS3 compliant and use the DO-214AB package.

Q: What is the difference between the SMDJ6.0A and SMLJ6.0A substitutes?

A: Both parts provide identical electrical performance: 6V reverse standoff voltage, 10.3V clamping voltage, 291.3A peak pulse current, and 3000W power dissipation. The primary difference is manufacturer (Alpha & Omega Semiconductor Inc. versus Bourns Inc.). Both are RoHS3 compliant, actively produced, and packaged in DO-214AB (SMC).

Q: Why does SMCJ6.0A-TR show a different peak pulse current specification (730A at 8/20µs)?

A: The SMCJ6.0A-TR from STMicroelectronics specifies peak pulse current using an 8/20µs pulse width standard, whereas the original part and most substitutes use 10/1000µs. The 8/20µs pulse width represents a faster transient event. This part provides superior transient suppression capability for high-energy surge protection applications while maintaining the same 6V reverse standoff voltage and -55°C to 150°C operating range.

Q: Are all substitute parts available in tape and reel packaging?

A: Tape and reel (TR) packaging is specified for SMLJ6.0E3/TR13, SMCJ6.0A-13-F, SMCJ6.0A-TR, SMDJ6.0A, and SMLJ6.0A. SMCJ6.0A (Taiwan Semiconductor Corporation) does not specify packaging format in the available data. SMCJ6V0A (Fairchild Semiconductor) is supplied in bulk packaging. Verify packaging requirements with your procurement specification before component selection.

Q: Can SMCJ6V0A be used in applications requiring RoHS compliance?

A: SMCJ6V0A does not have documented RoHS compliance status in the available technical data. Use this part only in applications where RoHS certification is not a contractual or regulatory requirement. For RoHS3-compliant designs, select from SMLJ6.0A, SMDJ6.0A, SMCJ6.0A, SMCJ6.0A-13-F, or SMCJ6.0A-TR.

Q: What is the impact of selecting a substitute with higher clamping voltage (13.7V versus 11.4V)?

A: The SMCJ6.0A-TR exhibits a higher clamping voltage (13.7V) at peak pulse current compared to the original part (11.4V). This results in slightly higher voltage stress on protected circuitry during transient events. This part is suitable only when the protected circuit can tolerate the higher clamping voltage without performance degradation or component damage. Verify circuit tolerance specifications before selection.

Q: Are all substitute parts suitable for general-purpose applications?

A: Yes. All substitute parts are classified for general-purpose transient voltage suppression applications. All maintain the 6V reverse standoff voltage and unidirectional single-channel topology of the original part. Selection among substitutes depends on specific transient energy levels, clamping voltage tolerance, and supply chain availability rather than application category.