Equivalent & Substitute Parts for UP2C-151-R

Part Overview

The UP2C-151-R is a 150 µH unshielded drum core wirewound inductor manufactured by Eaton - Electronics Division, part of the UNI-PAC™ 2C series. This surface mount component is rated for 1.04 A continuous current with a DC resistance of 351.4 mOhm and operates across the temperature range of -40°C to 85°C. The part is RoHS compliant and currently active in production with 747 pieces in stock.

Substitute components are necessary when the primary part becomes unavailable, when supply chain constraints require alternative sourcing, or when design flexibility permits selection from multiple qualified manufacturers while maintaining electrical and mechanical compatibility.

Substiute Parts

UP2C-151-R

Eaton - Electronics DivisionIn Stock: 849UP2C-151-R Datasheet

Current PartRFQ

P0752.154NLT

Pulse ElectronicsIn Stock: 1373P0752.154NLT Datasheet

DirectRFQ

SDR1005-151KL

Bourns Inc.In Stock: 3954SDR1005-151KL Datasheet

DirectRFQ

P0752.154NL

Pulse ElectronicsIn Stock: 1139P0752.154NL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the UP2C-151-R is determined by the following critical parameters:

Primary Matching Criteria:

• Inductance value: 150 µH (fixed requirement)
• Inductance tolerance: ±20% or tighter
• Current rating: minimum 1.04 A continuous
• Saturation current: minimum 1.02 A
• Mounting type: Surface Mount
• Shielding configuration: Unshielded
• Core material: Ferrite or equivalent unshielded wirewound construction

Secondary Compatibility Factors:

• DC resistance: 351.4 mOhm baseline; substitutes with higher DCR values remain acceptable if current rating and saturation specifications are met
• Operating temperature range: minimum -40°C to 85°C coverage required
• Package dimensions: physical footprint compatibility within nonstandard surface mount envelope
• Regulatory compliance: RoHS and REACH status alignment

The three substitute parts listed (SDR1005-151KL, P0752.154NL, P0752.154NLT) meet the primary inductance, current, and core configuration requirements. Variations in DCR, temperature range, and tolerance reflect manufacturer-specific design approaches while maintaining functional equivalence for the specified application.

Parameter Comparison

Engineering Selection Recommendations

SDR1005-151KL (Bourns Inc.): This substitute exhibits the closest physical and electrical alignment with the UP2C-151-R. Both components feature ferrite drum core construction with unshielded configuration. The SDR1005-151KL provides tighter inductance tolerance (±10% versus ±20%), extended operating temperature range to 125°C, and superior inventory availability (3872 pieces). The primary trade-off is reduced current rating (800 mA versus 1.04 A) and elevated DC resistance (590 mOhm Max versus 351.4 mOhm). This substitute is suitable for applications where the 800 mA rating satisfies design requirements and the higher DCR is acceptable. ROHS3 compliance and MSL 1 rating ensure regulatory alignment.

P0752.154NL and P0752.154NLT (Pulse Electronics): Both Pulse Electronics variants maintain the 150 µH inductance specification with ±20% tolerance matching the primary part. Current rating of 1 A approaches the UP2C-151-R specification (1.04 A), with saturation current at 1 A. DC resistance is specified at 570 mOhm Max, representing a 62% increase over the primary part. Extended operating temperature range to 130°C provides thermal margin beyond the UP2C-151-R. The P0752.154NLT is supplied in Tape & Reel packaging, while P0752.154NL is supplied without specified packaging. Both parts demonstrate ROHS3 compliance and REACH Unaffected status. These substitutes are appropriate for designs tolerating higher DCR and where the 1 A current rating is sufficient.

Selection Basis: All three substitutes maintain active product status and full regulatory compliance. Selection should prioritize current rating requirements (SDR1005-151KL at 800 mA for lower-current applications; Pulse variants at 1 A for moderate-current applications) and DC resistance tolerance (Bourns SDR1005 for lower-loss designs; Pulse for applications with higher DCR margin). Packaging requirements (Tape & Reel availability for P0752.154NLT) and inventory lead times should inform final selection.

Frequently Asked Questions (FAQ)

Q: Can the SDR1005-151KL substitute for the UP2C-151-R in all applications?

A: The SDR1005-151KL is electrically compatible for applications where the continuous current requirement does not exceed 800 mA. The primary part is rated for 1.04 A continuous current, while the Bourns substitute is rated for 800 mA. If your circuit requires current above 800 mA, the SDR1005-151KL will not provide adequate margin and should not be used. For applications operating at or below 800 mA, the SDR1005-151KL is a direct substitute with superior inductance tolerance and extended temperature range.

Q: What is the impact of higher DC resistance in the Pulse Electronics substitutes?

A: The P0752.154NL and P0752.154NLT specify DC resistance at 570 mOhm Max, compared to 351.4 mOhm for the UP2C-151-R. This 62% increase in DCR results in proportionally higher resistive losses during current flow. In applications where the inductor carries significant current, this increased resistance generates additional heat and reduces circuit efficiency. For low-current or intermittent-duty applications, this difference may be negligible. For continuous high-current operation, the lower DCR of the primary part or the Bourns SDR1005-151KL is preferred.

Q: Are the physical dimensions compatible across all substitutes?

A: Physical dimensions vary slightly among the four parts. The UP2C-151-R measures 0.508" L x 0.370" W x 0.205" H (max). The SDR1005-151KL is 0.500" L x 0.394" W x 0.197" H (max), representing a slightly smaller footprint with marginally wider width. The Pulse variants (P0752.154NL and P0752.154NLT) measure 0.510" L x 0.370" W x 0.215" H (max), offering nearly identical length and width with slightly increased height. All parts are classified as nonstandard package types. Before substitution, verify that your PCB layout accommodates the dimensional variations, particularly the height and width differences. The SDR1005-151KL's increased width (0.394" versus 0.370") may require layout adjustment.

Q: What is the difference between P0752.154NL and P0752.154NLT?

A: Both parts are electrically and mechanically identical 150 µH inductors from Pulse Electronics with matching specifications. The primary difference is packaging: P0752.154NLT is supplied in Tape & Reel (TR) format suitable for automated assembly, while P0752.154NL is supplied without specified packaging. For high-volume manufacturing with pick-and-place equipment, the P0752.154NLT (Tape & Reel) is the appropriate selection. For manual assembly or lower-volume applications, either variant is acceptable. Electrical performance and physical dimensions are identical.

Q: Which substitute offers the best thermal performance?

A: The Pulse Electronics variants (P0752.154NL and P0752.154NLT) provide the highest operating temperature rating at -40°C to 130°C, followed by the Bourns SDR1005-151KL at -40°C to 125°C. The primary part UP2C-151-R operates to 85°C. If your application requires operation at elevated temperatures above 85°C, the Pulse or Bourns substitutes are necessary. However, thermal performance also depends on DC resistance and current loading; the lower DCR of the primary part generates less self-heating than the higher-resistance substitutes at equivalent current levels.

Q: Are all parts RoHS compliant?

A: Yes. The UP2C-151-R is RoHS Compliant. All three substitutes (SDR1005-151KL, P0752.154NL, and P0752.154NLT) are ROHS3 Compliant, representing the current RoHS directive standard. Additionally, the Pulse Electronics parts carry REACH Unaffected status. All parts meet current regulatory requirements for electronics manufacturing and are suitable for applications requiring RoHS compliance.