Equivalent & Substitute Parts for UP2C-1R5-R

Part Overview

The UP2C-1R5-R is a 1.5 µH unshielded drum core wirewound inductor manufactured by Eaton - Electronics Division, rated for 8.1 A continuous current with a DC resistance of 5.6mOhm. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design support and procurement continuity. The part operates across the temperature range of -40°C to 85°C and is suitable for surface mount applications in nonstandard package configurations.

Substiute Parts

UP2C-1R5-R

Eaton - Electronics DivisionIn Stock: 944UP2C-1R5-R Datasheet

Current PartRFQ

P0751.152NL

Pulse ElectronicsIn Stock: 3869P0751.152NL Datasheet

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P0751.152NLT

Pulse ElectronicsIn Stock: 5747P0751.152NLT Datasheet

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SC3316FH-1R5

Signal TransformerIn Stock: 955SC3316FH-1R5 Datasheet

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SDR1005-1R5ML

Bourns Inc.In Stock: 2718SDR1005-1R5ML Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the UP2C-1R5-R is determined by the following critical parameters:

Primary Matching Criteria:

• Inductance value: 1.5 µH (fixed requirement)
• Inductance tolerance: ±20% (acceptable range)
• Shielding configuration: Unshielded (electrical characteristic)
• Mounting type: Surface Mount (mechanical requirement)
• Inductance test frequency: 100 kHz (measurement standard)

Secondary Compatibility Criteria:

• Current rating: Substitute must support minimum 8.1 A continuous operation
• DC resistance: Lower DCR values are acceptable; higher values require thermal analysis
• Saturation current: Substitute must support minimum 10 A saturation threshold
• Operating temperature: Substitute range must encompass -40°C to 85°C minimum
• Moisture sensitivity: MSL 1 compatibility maintained across all substitutes

The substitute parts listed below meet the primary matching criteria and maintain compatibility within the secondary criteria parameters. Variations in core material composition, package dimensions, and tolerance specifications are noted where they differ from the main part.

Parameter Comparison

Engineering Selection Recommendations

SC3316FH-1R5 (Signal Transformer) provides the closest electrical performance match to the UP2C-1R5-R. This part maintains an 8.5 A current rating that exceeds the original 8.1 A specification, with a 9 A saturation current that approaches the original 10 A threshold. The DC resistance of 8 mOhm maximum is higher than the original 5.6 mOhm but remains within acceptable operating parameters. The part is RoHS3 compliant and active in production, ensuring long-term availability. The inductance tolerance of ±30% is wider than the original ±20%, which may require circuit validation in tolerance-sensitive applications.

SDR1005-1R5ML (Bourns Inc.) offers an alternative with ferrite drum core construction matching the original part's core material. This part maintains ±20% inductance tolerance and provides a 6.5 A current rating with 8 A saturation current. The DC resistance of 9 mOhm maximum is elevated compared to the original specification. The part is RoHS3 compliant and active in production. The inductance test frequency of 1 kHz differs from the original 100 kHz specification, which may result in different measured inductance values at circuit operating frequencies.

P0751.152NL and P0751.152NLT (Pulse Electronics) are functionally identical parts differing only in packaging format (bulk versus tape and reel). These parts provide ±20% inductance tolerance matching the original specification. However, the 6.4 A current rating and 8 A saturation current fall below the original part's performance envelope. These parts are suitable for applications where current requirements do not exceed 6.4 A continuous operation. Both are RoHS3 compliant and active in production with extended operating temperature ranges to 130°C.

Selection Priority:

1. SC3316FH-1R5 for applications requiring current ratings closest to 8.1 A
2. SDR1005-1R5ML for applications requiring ferrite core material and ±20% tolerance
3. P0751.152NL or P0751.152NLT for applications with current requirements below 6.4 A

All substitute parts maintain unshielded configuration, surface mount compatibility, and MSL 1 moisture sensitivity rating. All active substitutes provide RoHS3 compliance and extended operating temperature ranges beyond the original -40°C to 85°C specification.

Frequently Asked Questions (FAQ)

Q: Can P0751.152NL or P0751.152NLT be used as direct replacements for UP2C-1R5-R?

A: These parts meet the inductance, tolerance, and shielding requirements but have a 6.4 A current rating versus the original 8.1 A specification. They are suitable only for applications where the actual circuit current does not exceed 6.4 A continuous operation. The 8 A saturation current also falls below the original 10 A specification.

Q: What is the difference between P0751.152NL and P0751.152NLT?

A: Both parts are electrically identical with the same inductance, current rating, and DC resistance specifications. The difference is packaging format: P0751.152NL is supplied in bulk packaging, while P0751.152NLT is supplied in tape and reel format for automated assembly processes.

Q: Why does SDR1005-1R5ML have a different inductance test frequency (1 kHz versus 100 kHz)?

A: The inductance test frequency reflects the measurement standard used by the manufacturer. Inductance values can vary slightly across different frequency ranges due to core material properties. The 1 kHz test frequency may result in different measured inductance values compared to the original 100 kHz specification. Circuit validation is necessary if frequency-dependent inductance characteristics are critical to application performance.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All active substitute parts listed (P0751.152NL, P0751.152NLT, SC3316FH-1R5, and SDR1005-1R5ML) are RoHS3 compliant. The original UP2C-1R5-R does not specify RoHS compliance status.

Q: What is the impact of higher DC resistance in substitute parts?

A: The substitute parts have DC resistance values ranging from 8 mOhm to 12 mOhm compared to the original 5.6 mOhm. Higher DC resistance increases power dissipation in the inductor, which generates additional heat. For applications operating at or near the maximum current rating, thermal analysis is required to ensure the substitute part does not exceed safe operating temperatures.

Q: Can SC3316FH-1R5 be used in all applications where UP2C-1R5-R was used?

A: SC3316FH-1R5 is suitable for most applications due to its higher current rating (8.5 A) and saturation current (9 A) that approach the original specifications. However, the wider inductance tolerance (±30% versus ±20%) may require circuit validation in applications with strict inductance tolerance requirements. The 8 mOhm DC resistance is higher than the original, requiring thermal verification in high-current applications.

Q: What is the operating temperature range compatibility?

A: The original UP2C-1R5-R operates from -40°C to 85°C. All substitute parts extend this range to either 125°C or 130°C, providing improved thermal margin. Applications operating within the original -40°C to 85°C range are fully compatible with all substitute parts.

Q: Are all parts available in surface mount configuration?

A: Yes. All parts listed, including the original UP2C-1R5-R and all substitutes, are surface mount components suitable for automated assembly processes.