IHD1EB121L Equivalent & Substitute Parts

Part Overview

The IHD1EB121L is a 120 µH unshielded drum core wirewound inductor manufactured by Vishay Dale, rated for 940 mA continuous current with a maximum DC resistance of 283mOhm. This through-hole axial component operates across the industrial temperature range of -55°C to 125°C and is ROHS3 compliant. The part is currently active in production with 790 pieces available in stock. Substitute parts are identified when equivalent inductance values, core materials, mounting types, and electrical performance parameters align within acceptable tolerances for the application.

Substiute Parts

IHD1EB121L

Vishay DaleIn Stock: 881IHD1EB121L Datasheet

Current PartRFQ

5800-121-RC

Bourns Inc.In Stock: 14905800-121-RC Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part 5800-121-RC from Bourns Inc. qualifies as an equivalent based on the following alignment of critical parameters:

• Identical inductance value: 120 µH at 1 kHz test frequency
• Matching core material: Ferrite drum core construction
• Identical mounting and package: Through-hole axial configuration
• Compatible shielding: Both unshielded designs
• Overlapping operating temperature range: -55°C to 105°C (subset of main part range)
• Equivalent RoHS3 compliance and REACH unaffected status

Substitution is valid where the application tolerates the specified parameter variations listed in the comparison table below.

Parameter Comparison

Engineering Selection Recommendations

Selection between IHD1EB121L and 5800-121-RC depends on application current requirements and maximum operating temperature constraints:

• Use IHD1EB121L where continuous current demand reaches 940 mA or where operating temperatures exceed 105°C up to 125°C
• Use 5800-121-RC where continuous current requirements do not exceed 700 mA and operating temperatures remain within -55°C to 105°C
• Both parts meet ROHS3 compliance and REACH requirements for regulated markets
• The 5800-121-RC offers tighter inductance tolerance (±10% vs ±15%), beneficial for precision applications
• Physical dimensions differ slightly (0.275" vs 0.270" diameter); verify PCB pad spacing accommodates the substitute

Frequently Asked Questions (FAQ)

Q: Can 5800-121-RC replace IHD1EB121L in all applications?

A: No. The 5800-121-RC has a lower continuous current rating (700 mA vs 940 mA). Substitution is valid only where the application current does not exceed 700 mA and operating temperature remains below 105°C.

Q: What is the inductance tolerance difference and does it matter?

A: IHD1EB121L has ±15% tolerance while 5800-121-RC has ±10% tolerance. The tighter tolerance of the substitute may be advantageous in precision filter or resonant circuit applications where inductance accuracy is critical.

Q: Are the physical dimensions compatible?

A: Both parts are axial through-hole components with 0.700" length. The diameter differs slightly (0.270" vs 0.275"). Verify that PCB pad spacing and component placement accommodate the 0.005" diameter increase of the substitute.

Q: Do both parts meet regulatory requirements?

A: Yes. Both IHD1EB121L and 5800-121-RC are ROHS3 compliant and REACH unaffected, suitable for regulated markets and applications requiring environmental compliance.

Q: What is the saturation current difference?

A: IHD1EB121L saturates at 660 mA while 5800-121-RC saturates at 1 A. This indicates the Bourns part maintains inductance stability at higher current levels before saturation occurs.