IHB2EB221K Equivalent & Substitute Parts

Part Overview

The IHB2EB221K is a 220 µH unshielded wirewound inductor manufactured by Vishay Dale, rated for 2.5 A continuous current with a maximum DC resistance of 150 mOhm. This through-hole radial component is designed for applications requiring fixed inductance in compact form factors. Finding equivalent parts may be necessary due to inventory constraints, lead time considerations, or specific application requirements that demand alternative electrical or mechanical characteristics within the same functional class.

Substiute Parts

IHB2EB221K

Vishay DaleIn Stock: 857IHB2EB221K Datasheet

Current PartRFQ

1120-221K-RC

Bourns Inc.In Stock: 12491120-221K-RC Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IHB2EB221K is determined by the following critical parameters:

• Inductance Value: Must be 220 µH to maintain circuit performance
• Current Rating: Substitute must support minimum 2.5 A; higher ratings are acceptable
• DC Resistance: Maximum 150 mOhm; lower values are acceptable
• Shielding Configuration: Unshielded topology must be maintained
• Mounting Type: Through-hole radial vertical cylinder package required
• Core Type: Wirewound construction acceptable with ferrite or equivalent core materials

The substitute part 1120-221K-RC from Bourns Inc. meets all substitution criteria with equivalent or superior electrical characteristics and compatible mechanical form factor.

Parameter Comparison

Engineering Selection Recommendations

The 1120-221K-RC from Bourns Inc. is a direct substitute for the IHB2EB221K. The Bourns component provides identical inductance and DC resistance specifications with a higher current rating (2.8 A versus 2.5 A), offering improved thermal margin in current-limited applications. Both components maintain the same unshielded wirewound topology and through-hole radial vertical cylinder package configuration.

The 1120-221K-RC carries ROHS3 compliance and REACH unaffected status, meeting modern regulatory requirements. The specified operating temperature range of -55°C to 105°C and ±10% inductance tolerance provide documented performance boundaries suitable for industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can the 1120-221K-RC replace the IHB2EB221K in all applications?

A: Yes. Both components share identical inductance (220 µH), DC resistance (150 mOhm maximum), shielding configuration (unshielded), and mechanical form factor (through-hole radial vertical cylinder). The Bourns substitute provides a higher current rating (2.8 A versus 2.5 A), making it suitable for all applications where the original part was specified.

Q: What is the significance of the higher current rating on the 1120-221K-RC?

A: The 2.8 A rating on the Bourns component provides additional thermal headroom compared to the 2.5 A rating of the Vishay Dale part. This allows the substitute to operate at lower temperature rise under the same current conditions, potentially extending component life in thermally constrained designs.

Q: Are there physical dimension differences between these parts?

A: The 1120-221K-RC has documented dimensions of 0.810" diameter (20.57 mm) and 0.840" maximum seated height (21.34 mm). Both components use identical radial vertical cylinder packaging, ensuring mechanical compatibility in PCB layouts designed for the IHB2EB221K.

Q: What compliance certifications apply to the substitute part?

A: The 1120-221K-RC is ROHS3 compliant and REACH unaffected. These certifications confirm compliance with current environmental and hazardous substance regulations applicable to electronic components in regulated markets.

Q: Is inductance tolerance a consideration for substitution?

A: The 1120-221K-RC specifies ±10% inductance tolerance at 1 kHz test frequency. Applications requiring tighter tolerance control should evaluate whether this specification meets circuit design requirements. The main part tolerance was not provided in available documentation.