ER1025-92KM Equivalent & Substitute Parts

Part Overview

The ER1025-92KM is a 1 mH unshielded molded inductor manufactured by API Delevan Inc., designed for through-hole axial mounting applications. This ferrite-core component operates across a temperature range of -55°C to 105°C with a maximum DC resistance of 72 ohms and a current rating of 28 mA. The part is currently active in production with 786 units available in stock.

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained within the allowable specifications for this inductor category. Alternative sources become necessary for supply chain continuity, inventory management, or when specific packaging or compliance requirements differ from the original specification.

Substiute Parts

ER1025-92KM

API Delevan Inc.In Stock: 834ER1025-92KM Datasheet

Current PartRFQ

9230-92-RC

Bourns Inc.In Stock: 21449230-92-RC Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ER1025-92KM is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Inductance value: 1 mH (±10% tolerance maintained)
• DC Resistance: 72 ohm maximum
• Q Factor: 30 @ 790 kHz
• Self Resonant Frequency: 3.4 MHz
• Core Material: Ferrite
• Shielding Configuration: Unshielded

Mechanical Equivalence Requirements:

• Mounting Type: Through Hole
• Package Type: Axial
• Physical Dimensions: 0.095" Dia × 0.250" L (2.41mm × 6.35mm)

Allowable Variation:

• Current Rating: Substitute parts with equal or higher current rating are acceptable
• Operating Temperature Range: Substitute parts with equal or wider temperature range are acceptable
• Packaging Format: Substitutes may differ in packaging (Tape & Reel vs. Bulk)
• RoHS/Compliance Status: Substitutes may have different compliance certifications

The part 9230-92-RC from Bourns Inc. meets all electrical and mechanical equivalence criteria and qualifies as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (ER1025-92KM): Select the ER1025-92KM when the original specification and supply chain sourcing from API Delevan Inc. are required. This part is active in production with adequate inventory (786 units in stock) and maintains the specified electrical and mechanical parameters.

Substitute Selection (9230-92-RC): The 9230-92-RC from Bourns Inc. is a qualified substitute when the following conditions are met:

• Current application requirements do not exceed 28 mA, or the higher current rating (38 mA) of the substitute is acceptable
• Operating temperature requirements do not exceed 105°C, or the extended upper temperature limit (125°C) of the substitute is acceptable
• Packaging format change from Tape & Reel to Bulk is acceptable for procurement and assembly processes
• RoHS3 compliance is required or preferred over non-compliant status
• All other electrical parameters (inductance, DCR, Q factor, self-resonant frequency) and mechanical parameters (dimensions, mounting type, core material, shielding) are identical

The 9230-92-RC provides superior inventory availability (2059 units in stock) and enhanced environmental compliance certification.

Frequently Asked Questions (FAQ)

Q: Can the 9230-92-RC replace the ER1025-92KM in all applications?

A: The 9230-92-RC is electrically and mechanically equivalent for all applications designed for the ER1025-92KM. The substitute has a higher current rating (38 mA vs. 28 mA) and extended temperature range (-55°C to 125°C vs. -55°C to 105°C), making it suitable for the same circuit designs. Packaging format differs (Bulk vs. Tape & Reel), which may affect assembly line compatibility.

Q: What are the key electrical parameters that must match for substitution?

A: The critical electrical parameters are inductance (1 mH), DC resistance (72 ohm maximum), Q factor (30 @ 790 kHz), and self-resonant frequency (3.4 MHz). These parameters determine circuit performance and must remain constant between the original and substitute part.

Q: Does the higher current rating of the 9230-92-RC affect circuit operation?

A: No. A substitute part with a higher current rating does not negatively affect circuit operation. The 38 mA rating of the 9230-92-RC provides additional design margin compared to the 28 mA rating of the ER1025-92KM. Both parts will operate identically in circuits designed for 28 mA or less.

Q: Are there compliance differences between these parts?

A: Yes. The ER1025-92KM is RoHS non-compliant, while the 9230-92-RC is RoHS3 compliant. Applications requiring RoHS compliance must use the 9230-92-RC. Both parts are REACH unaffected and classified as EAR99 for export control purposes.

Q: How do the packaging formats differ?

A: The ER1025-92KM is supplied in Tape & Reel (TR) format, suitable for automated pick-and-place assembly. The 9230-92-RC is supplied in Bulk format, which may require manual handling or reel conversion for automated assembly lines. This difference affects procurement and manufacturing processes but not electrical or mechanical performance.

Q: Can I use the 9230-92-RC in a design with a maximum operating temperature of 110°C?

A: Yes. The 9230-92-RC has an operating temperature range of -55°C to 125°C, which exceeds the 110°C requirement. The ER1025-92KM, with a maximum of 105°C, would not be suitable for this application.

Q: Are the physical dimensions identical?

A: Yes. Both parts have identical axial dimensions of 0.095" diameter × 0.250" length (2.41mm × 6.35mm). They are mechanically interchangeable in through-hole PCB layouts.