HCM1707-100-R Equivalent & Substitute Parts

Part Overview

The HCM1707-100-R is a 10 µH shielded drum core wirewound inductor manufactured by Eaton - Electronics Division. This surface mount component is rated for 14 A continuous current with a maximum DC resistance of 10 mOhm and operates across the temperature range of -55°C to 125°C. The part is RoHS compliant and carries an MSL rating of 1 (Unlimited). As an active product with 850 pieces in stock, the HCM1707-100-R serves applications requiring fixed inductance in compact form factors. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and performance optimization options for circuit implementations requiring 10 µH inductance at comparable current ratings.

Substiute Parts

HCM1707-100-R

Eaton - Electronics DivisionIn Stock: 891HCM1707-100-R Datasheet

Current PartRFQ

PA4344.103NLT

Pulse ElectronicsIn Stock: 1226PA4344.103NLT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the HCM1707-100-R are identified based on strict electrical and mechanical compatibility criteria. The primary substitution logic is based on the following parameters:

Core Substitution Criteria:

• Inductance value: 10 µH (exact match required)
• Inductance test frequency: 100 kHz (measurement standard alignment)
• Shielding: Shielded (electromagnetic containment requirement)
• Mounting type: Surface Mount (assembly compatibility)
• Package classification: Nonstandard (physical form factor category)
• Moisture sensitivity: MSL 1 (Unlimited) or equivalent
• RoHS compliance status: RoHS Compliant or ROHS3 Compliant

Electrical Performance Boundaries:

• Current rating: Minimum 14 A (equal or greater acceptable)
• DC resistance: Maximum 10 mOhm (lower or equal acceptable)
• Saturation current: Minimum 18 A (equal or greater acceptable)
• Operating temperature range: Must encompass or match -55°C to 125°C

The PA4344.103NLT from Pulse Electronics meets all core substitution criteria with enhanced electrical performance characteristics, making it a direct substitute for the HCM1707-100-R.

Parameter Comparison

Engineering Selection Recommendations

HCM1707-100-R Selection Criteria: The HCM1707-100-R remains the primary choice for applications requiring the exact specifications of a drum core wirewound inductor with 10 mOhm maximum DC resistance and operation across the full -55°C to 125°C temperature range. This part is active and maintains adequate inventory (850 pieces). The component carries RoHS compliance certification and MSL 1 rating, suitable for standard manufacturing environments.

PA4344.103NLT Selection Criteria: The PA4344.103NLT serves as a direct substitute when higher current capacity (16.5 A vs. 14 A) or higher saturation current (24 A vs. 18 A) is beneficial for circuit margin. The molded construction provides equivalent shielding performance. This part carries AEC-Q200 automotive qualification and ROHS3 compliance, with REACH unaffected status. The operating temperature range extends to -40°C minimum, which is acceptable for applications not requiring the full -55°C lower limit. Inventory availability is higher (1158 pieces). The DC resistance specification of 13 mOhm maximum represents a 3 mOhm increase, which is acceptable for most power distribution and filtering applications.

Substitution Feasibility: Both parts are surface mount, nonstandard package inductors with identical inductance values, shielding, and mounting heights. The PA4344.103NLT is electrically superior in current handling and saturation performance, making it suitable for direct substitution in applications where the HCM1707-100-R is specified, provided the -40°C to 125°C temperature range is acceptable and the 3 mOhm DCR increase does not impact circuit performance.

Frequently Asked Questions (FAQ)

Q: Can PA4344.103NLT replace HCM1707-100-R in all applications?

A: The PA4344.103NLT is a direct substitute for applications operating within the -40°C to 125°C temperature range. Applications requiring operation below -40°C must use the HCM1707-100-R. The 3 mOhm increase in maximum DC resistance (10 mOhm to 13 mOhm) must be evaluated for thermal and efficiency impact in the specific circuit.

Q: What is the physical compatibility between these parts?

A: Both parts are surface mount, nonstandard package inductors with identical seated heights of 7.00 mm. Footprint dimensions vary slightly (HCM1707-100-R: 17.20 x 16.85 mm; PA4344.103NLT: 17.70 x 17.20 mm). PCB layout verification is required to confirm pad compatibility and clearance.

Q: Are there compliance differences between these parts?

A: The HCM1707-100-R carries RoHS compliance certification. The PA4344.103NLT carries ROHS3 compliance and AEC-Q200 automotive qualification, with REACH unaffected status. Both parts have MSL 1 (Unlimited) ratings. The PA4344.103NLT is suitable for automotive and higher-reliability applications.

Q: What is the inductance tolerance for each part?

A: The HCM1707-100-R specifies ±20% inductance tolerance. The PA4344.103NLT tolerance specification is not provided in the available data. Circuit designs must account for the ±20% tolerance of the HCM1707-100-R or request tolerance data for the PA4344.103NLT from the manufacturer.

Q: How do the current ratings compare?

A: The HCM1707-100-R is rated for 14 A continuous current with 18 A saturation current. The PA4344.103NLT is rated for 16.5 A continuous current with 24 A saturation current. The PA4344.103NLT provides 2.5 A additional continuous capacity and 6 A additional saturation margin, suitable for applications requiring higher current handling or thermal margin.

Q: What core material differences exist?

A: The HCM1707-100-R uses iron powder core material. The PA4344.103NLT core material specification is not provided. Both parts are shielded and tested at 100 kHz, indicating comparable performance characteristics for standard filtering and power distribution applications.

Q: Can these parts be used interchangeably in inventory?

A: Interchangeability requires verification of circuit operating temperature range, DC resistance impact on thermal performance, and PCB footprint compatibility. Engineering review is necessary before implementing PA4344.103NLT as a substitute in existing designs specified for HCM1707-100-R.