IRF24ER1R2K Equivalent & Substitute Parts

Part Overview

The IRF24ER1R2K is a 1.2 µH unshielded axial inductor manufactured by Vishay Dale, rated for 740 mA maximum current with 180mOhm DC resistance. This through-hole component is part of the IRF-24 series and is currently in stock with 921 units available. Substitute parts are necessary to address supply chain continuity, alternative sourcing options, or specific application requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

IRF24ER1R2K
Vishay DaleIn Stock: 941IRF24ER1R2K Datasheet
IRF24ER1R2K
Current Part
78F1R2K-RC
Bourns Inc.In Stock: 989978F1R2K-RC Datasheet
78F1R2K-RC
MFR Recommended

Key Parameters

Parameter Value
Inductance 1.2 µH
Current Rating 740 mA
DC Resistance (DCR) 180mOhm Max
Shielding Unshielded
Mounting Type Through Hole
Package / Case Axial

Substitute Part Grouping Explanation

Substitution eligibility for the IRF24ER1R2K is determined by strict equivalence across the following parameters:

  • Inductance Value: 1.2 µH (exact match required)
  • Current Rating: 740 mA minimum
  • DC Resistance: 180mOhm maximum
  • Shielding Configuration: Unshielded
  • Mounting Type: Through Hole
  • Package Style: Axial

The substitute part 78F1R2K-RC from Bourns Inc. meets all these criteria and is therefore electrically and mechanically interchangeable with the IRF24ER1R2K.

Parameter Comparison

Parameter IRF24ER1R2K (Vishay Dale) 78F1R2K-RC (Bourns Inc.)
Inductance 1.2 µH 1.2 µH
Inductance Tolerance Not specified ±10%
Current Rating (Amps) 740 mA 740 mA
DC Resistance (DCR) 180mOhm Max 180mOhm Max
Shielding Unshielded Unshielded
Mounting Type Through Hole Through Hole
Package / Case Axial Axial
Operating Temperature Range Not specified -55°C ~ 105°C
Product Status Not specified Active
RoHS Status Not specified ROHS3 Compliant

Engineering Selection Recommendations

The 78F1R2K-RC from Bourns Inc. is an active product with ROHS3 compliance certification, making it suitable for applications requiring regulatory adherence. Both components share identical electrical specifications for inductance, current rating, and DC resistance. The Bourns substitute provides documented operating temperature range (-55°C ~ 105°C) and specified inductance tolerance (±10%), which may be advantageous for applications with defined environmental or precision requirements. Selection between the two should be based on availability, lead time, and specific application compliance requirements.

Frequently Asked Questions (FAQ)

Q: Can the 78F1R2K-RC directly replace the IRF24ER1R2K in my circuit?

A: Yes. Both components are electrically equivalent with matching inductance (1.2 µH), current rating (740 mA), and DC resistance (180mOhm Max). Both are unshielded axial through-hole inductors with identical package dimensions.

Q: Are there any physical differences between these parts?

A: Both components use axial through-hole packaging. The 78F1R2K-RC is specified as a drum core wirewound inductor with ferrite core material. Physical dimensions are identical at 0.110" diameter × 0.280" length (2.79mm × 7.11mm).

Q: What compliance certifications apply to the substitute part?

A: The 78F1R2K-RC is ROHS3 compliant and REACH unaffected. The IRF24ER1R2K compliance status is not specified in available documentation.

Q: Does inductance tolerance affect substitution?

A: The 78F1R2K-RC specifies ±10% inductance tolerance. If your application requires tighter tolerance control, this should be evaluated against your circuit design specifications.

Q: Are there inventory considerations for these parts?

A: The IRF24ER1R2K has 921 units in stock. The 78F1R2K-RC has 9816 units available, providing greater supply availability if needed.

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