PESD1LIN,135 Equivalent & Substitute Parts

Part Overview

The PESD1LIN,135 is a bidirectional transient voltage suppressor (TVS) diode manufactured by Nexperia USA Inc., designed for surface mount applications in the SOD-323 package. This component provides ESD and transient protection with a 15V reverse standoff voltage and 24V maximum rating, featuring 3A peak pulse current capability and 160W peak pulse power dissipation. The part carries automotive-grade qualification (AEC-Q101) and is ROHS3 compliant with unlimited moisture sensitivity level.

The PESD1LIN,135 is designated as "Not For New Designs," indicating end-of-life status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support existing production requirements.

Substiute Parts

PESD1LIN,135

Nexperia USA Inc.In Stock: 15133PESD1LIN,135 Datasheet

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CDSOD323-T24C

Bourns Inc.In Stock: 62114CDSOD323-T24C Datasheet

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CDSOD323-T24C-DSL

Bourns Inc.In Stock: 36110CDSOD323-T24C-DSL Datasheet

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CDSOD323-T24LC

Bourns Inc.In Stock: 3502CDSOD323-T24LC Datasheet

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CDSOD323-T24SC

Bourns Inc.In Stock: 1714CDSOD323-T24SC Datasheet

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ESDLIN1524BJ

STMicroelectronicsIn Stock: 185400ESDLIN1524BJ Datasheet

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ESDLIN1524BJ-HQ

STMicroelectronicsIn Stock: 11838ESDLIN1524BJ-HQ Datasheet

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SD24C.TCT

Semtech CorporationIn Stock: 102042SD24C.TCT Datasheet

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SP4024-01FTG-C

Littelfuse Inc.In Stock: 7969SP4024-01FTG-C Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the PESD1LIN,135 is determined by the following critical parameters:

Package Compatibility: All substitute parts must use the SOD-323 surface mount package to ensure mechanical and electrical compatibility with existing PCB layouts.

Voltage Rating Alignment: The reverse standoff voltage and clamping voltage must accommodate the circuit protection requirements. The PESD1LIN,135 operates at 15V and 24V standoff levels with 44V and 70V clamping voltages.

Current Handling Capability: Peak pulse current rating of 3A (8/20µs) establishes the minimum transient protection capacity.

Power Dissipation: Peak pulse power of 160W defines the thermal management requirements.

Compliance and Certification: Automotive-grade components with AEC-Q101 qualification are preferred for applications requiring automotive standards. ROHS3 compliance is mandatory.

Bidirectional Channel Configuration: Single bidirectional channel architecture must be maintained.

Substitute parts are grouped based on their ability to meet or exceed these parameters while maintaining SOD-323 package compatibility and surface mount mounting type.

Parameter Comparison

Engineering Selection Recommendations

Automotive Applications with AEC-Q101 Requirement:

For applications requiring automotive-grade components with AEC-Q101 qualification, the following substitutes are qualified:

ESDLIN1524BJ (STMicroelectronics) provides direct functional equivalence with matching 15V and 24V standoff voltage options, identical 160W peak pulse power, and automotive qualification. Operating temperature range of -40°C ~ 150°C meets most automotive requirements, though the PESD1LIN,135 extends to -65°C.

ESDLIN1524BJ-HQ (STMicroelectronics) offers automotive qualification and AEC-Q101 certification with enhanced current handling (50A peak pulse), though the 50V standoff voltage represents a higher rating than the original part.

SP4024-01FTG-C (Littelfuse Inc.) is automotive-grade with AEC-Q101 qualification, 24V standoff voltage, and 7A peak pulse current, providing adequate protection capacity with 350W peak pulse power.

General Purpose Applications:

For non-automotive applications, Bourns CDSOD323 series parts (CDSOD323-T24C, CDSOD323-T24C-DSL, CDSOD323-T24LC, CDSOD323-T24SC) offer active product status with enhanced current handling (6A to 9A) and increased power dissipation (250W to 400W). These parts maintain 24V standoff voltage compatibility and SOD-323 package compliance.

SD24C.TCT (Semtech Corporation) provides 24V standoff voltage with 8A peak pulse current and 350W power dissipation, maintaining close electrical alignment with the original specification.

Product Status Consideration:

All substitute parts listed carry "Active" product status, ensuring long-term availability and continued manufacturing support, in contrast to the PESD1LIN,135 "Not For New Designs" designation.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a higher standoff voltage than the PESD1LIN,135?

A: Standoff voltage determines the threshold at which the TVS diode begins conducting. Using a higher standoff voltage (such as ESDLIN1524BJ-HQ at 50V) may delay protection activation in circuits designed for 15V or 24V protection levels. Verify circuit requirements before substitution.

Q: What is the difference between clamping voltage and standoff voltage?

A: Standoff voltage is the maximum voltage the diode blocks without conducting. Clamping voltage is the maximum voltage across the diode during transient suppression at peak pulse current. The PESD1LIN,135 specifies 44V and 70V clamping voltages at 3A peak pulse current.

Q: Are Bourns CDSOD323 parts suitable for automotive applications?

A: The Bourns CDSOD323 series parts listed do not carry automotive-grade designation or AEC-Q101 qualification. They are suitable for general purpose applications. For automotive requirements, select ESDLIN1524BJ, ESDLIN1524BJ-HQ, or SP4024-01FTG-C.

Q: Does package compatibility guarantee direct substitution?

A: SOD-323 package compatibility ensures mechanical fit on the PCB. Electrical substitution requires matching standoff voltage, clamping voltage, current rating, and power dissipation specifications. Verify all electrical parameters against circuit protection requirements.

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

A: Peak pulse current (measured at 8/20µs waveform) indicates the maximum transient current the TVS diode can suppress. The PESD1LIN,135 handles 3A. Substitute parts with higher ratings (6A to 9A) provide additional protection margin but must not exceed circuit current limitations.

Q: Why do some substitutes have higher power dissipation ratings?

A: Higher power dissipation ratings (250W to 400W versus 160W) indicate improved thermal management capability. These parts can handle more sustained transient energy without thermal degradation, providing design margin for high-energy transient environments.

Q: Is the operating temperature range critical for substitution?

A: The PESD1LIN,135 operates from -65°C to 150°C. Most substitutes operate from -40°C to -55°C minimum. Verify that substitute parts meet the minimum temperature requirement of your application environment.

Q: What does "Steering (Rail to Rail)" type mean for SP4024-01FTG-C?

A: SP4024-01FTG-C uses steering diode architecture rather than traditional Zener topology. This design provides improved clamping characteristics and lower capacitance (1.3pF), making it suitable for high-speed signal applications while maintaining SOD-323 package compatibility.