Bourns 5708 400µH Toroidal Inductor Equivalent & Substitute Parts

Part Overview

The Bourns 5708 is a 400µH unshielded toroidal inductor rated for 2.25A continuous current with a maximum DC resistance of 330mOhm. This through-hole component features an iron powder core and operates across the temperature range of -55°C to 105°C. The main part number 5708 is currently obsolete, making identification of active equivalent components essential for ongoing production and maintenance applications.

Substiute Parts

5708

Bourns Inc.In Stock: 8185708 Datasheet

Current PartRFQ

5708-RC

Bourns Inc.In Stock: 11125708-RC Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The Bourns 5708-RC qualifies as a direct substitute for the 5708 based on the following critical parameters:

• Identical inductance value: 400µH with ±15% tolerance
• Matching current rating: 2.25A
• Equivalent DC resistance specification: 330mOhm maximum
• Same core material: Iron Powder
• Identical shielding classification: Unshielded
• Matching mounting configuration: Through Hole, Radial, Vertical (Open)
• Identical operating temperature range: -55°C to 105°C
• Same inductance test frequency: 1 kHz

The primary distinction between these parts is product status and packaging format. The 5708-RC is an active product supplied in Tray packaging, whereas the original 5708 is obsolete and supplied in bulk format.

Parameter Comparison

Engineering Selection Recommendations

The 5708-RC is the appropriate selection for applications currently specified with the Bourns 5708. All electrical and mechanical parameters are identical, ensuring direct functional equivalence. The 5708-RC offers the additional advantage of active product status, ensuring continued availability and supply chain reliability.

For new designs or production transitions, the 5708-RC is preferred due to its ROHS3 compliance status, which aligns with current regulatory requirements. The Tray packaging format of the 5708-RC supports automated assembly processes more effectively than bulk packaging.

Frequently Asked Questions (FAQ)

Q: Can the 5708-RC be used as a direct replacement for the 5708?

A: Yes. The 5708-RC provides identical electrical performance across all specified parameters: 400µH inductance, 2.25A current rating, 330mOhm maximum DC resistance, and matching operating temperature range. Physical mounting configuration and package type are equivalent.

Q: What is the difference between the 5708 and 5708-RC?

A: The primary differences are product status and packaging. The 5708 is obsolete and supplied in bulk format. The 5708-RC is an active product supplied in Tray packaging and meets ROHS3 compliance requirements, whereas the 5708 is RoHS non-compliant.

Q: Are there any dimensional differences between these parts?

A: Yes. The 5708 has a diameter of 0.875" (22.22mm) with 0.437" width (11.10mm). The 5708-RC has a diameter of 1.125" (28.58mm) with 0.562" width (14.27mm). Both maintain the same Radial, Vertical (Open) mounting configuration and are compatible with through-hole PCB layouts.

Q: Which part should be selected for new production?

A: The 5708-RC should be selected for new production due to active product status, ROHS3 compliance, and Tray packaging support for automated assembly.

Q: Are the inductance tolerances identical?

A: Yes. Both the 5708 and 5708-RC specify ±15% inductance tolerance at 1 kHz test frequency.