Equivalent & Substitute Parts for Bourns 1130-3R3M

Part Overview

The Bourns 1130-3R3M is a 3.3 µH unshielded drum core wirewound inductor rated for 21 A continuous current with a maximum DC resistance of 3 mOhm. This through-hole radial component operates across a temperature range of -55°C to 105°C and is designed for applications requiring fixed inductance in power distribution and filtering circuits.

The 1130-3R3M is classified as obsolete. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for legacy systems and new designs requiring compatible performance characteristics.

Substiute Parts

1130-3R3M

Bourns Inc.In Stock: 8391130-3R3M Datasheet

Current PartRFQ

IHB3BV3R3M

Vishay DaleIn Stock: 906IHB3BV3R3M Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Bourns 1130-3R3M are identified based on the following critical parameters that determine functional equivalence:

• Inductance Value: 3.3 µH with ±20% tolerance
• Current Rating: Minimum 20 A continuous current capability
• DC Resistance: 3 mOhm maximum
• Package Configuration: Radial, vertical cylinder through-hole mounting
• Physical Footprint: 1.100" diameter, 0.840" maximum seated height
• Shielding: Unshielded construction
• Operating Temperature: Minimum -55°C to 105°C range

The Vishay Dale IHB3BV3R3M meets all substitution criteria within these allowed parameters.

Parameter Comparison

Engineering Selection Recommendations

The Vishay Dale IHB3BV3R3M is a direct functional substitute for the Bourns 1130-3R3M. Both components share identical inductance values, DC resistance specifications, physical dimensions, and mounting configurations. The IHB3BV3R3M maintains active product status and carries ROHS3 compliance certification, providing supply chain continuity and regulatory alignment for new designs.

The IHB3BV3R3M operates across an extended temperature range (-55°C to 130°C) compared to the 1130-3R3M (-55°C to 105°C), offering broader environmental performance. The current rating of 20.3 A on the IHB3BV3R3M is within acceptable tolerance of the 1130-3R3M's 21 A specification for most applications.

Frequently Asked Questions (FAQ)

Q: Can the Vishay Dale IHB3BV3R3M directly replace the Bourns 1130-3R3M in existing designs?

A: Yes. Both inductors share identical inductance values (3.3 µH ±20%), DC resistance (3 mOhm max), physical dimensions (1.100" diameter, 0.840" height), and through-hole radial mounting configuration. The IHB3BV3R3M's current rating of 20.3 A is functionally equivalent to the 1130-3R3M's 21 A rating for standard applications.

Q: What is the difference in current rating between these parts?

A: The Bourns 1130-3R3M is rated for 21 A, while the Vishay Dale IHB3BV3R3M is rated for 20.3 A. This 0.7 A difference represents a 3.3% variance and remains within acceptable substitution parameters for most circuit designs.

Q: Are there compliance differences between these inductors?

A: The Bourns 1130-3R3M is RoHS non-compliant, while the Vishay Dale IHB3BV3R3M is ROHS3 compliant. For new designs or applications requiring regulatory compliance, the IHB3BV3R3M is the appropriate selection.

Q: Do these inductors have identical physical footprints?

A: Yes. Both components feature identical dimensions: 1.100" diameter and 0.840" maximum seated height. PCB layouts and mechanical mounting designs are directly compatible.

Q: What is the operating temperature difference?

A: The Bourns 1130-3R3M operates from -55°C to 105°C, while the Vishay Dale IHB3BV3R3M operates from -55°C to 130°C. The IHB3BV3R3M provides a 25°C extended upper temperature limit, suitable for higher thermal environment applications.