2035-40-SM-RPLF Equivalent & Substitute Parts

Part Overview

The 2035-40-SM-RPLF is a Gas Discharge Tube (GDT) manufactured by Bourns Inc., designed for overvoltage protection in surface mount applications. This component features a 400V DC spark-over voltage rating with 5kA impulse discharge current capacity and 2-pole configuration. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified based on matching electrical specifications and mechanical compatibility within the same product category.

Substiute Parts

2035-40-SM-RPLF

Bourns Inc.In Stock: 13162035-40-SM-RPLF Datasheet

Current PartRFQ

SH400

Littelfuse Inc.In Stock: 1890SH400 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 2035-40-SM-RPLF is determined by the following critical parameters:

• Voltage - DC Spark Over (Nominal): 400 V
• Impulse Discharge Current (8/20µs): 5000A (5kA)
• Number of Poles: 2
• Mounting Type: Surface Mount
• Fail Short characteristic: No
• RoHS3 Compliance
• MSL 1 rating

The SH400 from Littelfuse Inc. meets all these electrical and mechanical requirements, establishing it as a direct substitute within the 2-pole, 400V, 5kA GDT category for surface mount applications.

Parameter Comparison

Engineering Selection Recommendations

Both the 2035-40-SM-RPLF and SH400 are active production components with identical electrical ratings and compliance certifications. Selection between these parts should be based on:

• Availability and lead time requirements
• PCB layout constraints related to package geometry (2-SMD Cylinder Square End versus 2-SMD Square End Block)
• Supplier preference and procurement agreements
• Cost considerations

Both components satisfy RoHS3 compliance and REACH unaffected status, making them suitable for applications requiring environmental regulatory adherence.

Frequently Asked Questions (FAQ)

Q: Can the SH400 be used as a direct replacement for the 2035-40-SM-RPLF?

A: Yes. Both components share identical electrical specifications (400V DC spark-over, 5kA impulse discharge current, 2-pole configuration) and mounting type (surface mount). Package geometry differs slightly, but both are 2-SMD square end configurations suitable for standard PCB assembly processes.

Q: Are there tolerance differences between these parts?

A: The 2035-40-SM-RPLF specifies ±15% tolerance. The SH400 does not specify a tolerance value in the provided data. Verify tolerance requirements for your application before selection.

Q: Do both parts have the same moisture sensitivity level?

A: Yes. Both the 2035-40-SM-RPLF and SH400 are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.

Q: Are both parts RoHS3 compliant?

A: Yes. Both components are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory standards.

Q: What is the difference between the package descriptions?

A: The 2035-40-SM-RPLF uses a 2-SMD Cylinder Square End package, while the SH400 uses a 2-SMD Square End Block package. Both are surface mount configurations; physical dimensions may vary slightly. Consult manufacturer datasheets for precise footprint specifications if PCB layout is critical.