UP5S-221-R Equivalent & Substitute Parts

Part Overview

The UP5S-221-R is a 220 µH shielded wirewound inductor manufactured by Eaton - Electronics Division, part of the UNI-PAC™ 5S series. This surface mount component is rated for 1.15 A continuous current with a maximum DC resistance of 320mOhm and operates across the temperature range of -25°C to 85°C. The component is Active in product status and ROHS3 compliant.

Substitute parts are identified when equivalent inductance values, current ratings, and mounting characteristics align within acceptable electrical and mechanical tolerances for the application. The primary substitute identified is the P0250.224NLT from Pulse Electronics.

Substiute Parts

UP5S-221-R

Eaton - Electronics DivisionIn Stock: 770UP5S-221-R Datasheet

Current PartRFQ

P0250.224NLT

Pulse ElectronicsIn Stock: 891P0250.224NLT Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the UP5S-221-R is determined by the following critical parameters:

Primary Substitution Criteria:

• Inductance value: 220 µH (exact match required)
• Inductance tolerance: ±20% or tighter
• Current rating: minimum 1.15 A continuous
• Saturation current (Isat): minimum 1.63 A
• DC resistance: 320 mOhm or lower
• Mounting type: Surface Mount
• Package dimensions: compatible with 18.40mm x 15.00mm footprint (±tolerance)
• Height: compatible with 7.50mm maximum seated height
• Operating temperature range: must encompass -25°C to 85°C minimum
• RoHS compliance: ROHS3 Compliant

The P0250.224NLT from Pulse Electronics meets these substitution criteria with matching inductance, compatible current ratings, and surface mount configuration. The primary difference is shielding classification (unshielded vs. shielded) and operating temperature range extension.

Parameter Comparison

Engineering Selection Recommendations

UP5S-221-R Selection Criteria: The UP5S-221-R is appropriate for applications requiring shielded inductance with strict electromagnetic interference (EMI) control. The shielded construction provides isolation from external magnetic fields and reduces radiated emissions. This component is suitable for noise-sensitive circuits operating within the -25°C to 85°C temperature range.

P0250.224NLT Selection Criteria: The P0250.224NLT provides an alternative with unshielded construction, higher saturation current (2.4 A vs. 1.63 A), and extended operating temperature range (-40°C to 130°C). This substitute is appropriate for applications where EMI shielding is not required and where extended temperature performance or higher saturation margin is beneficial. The inductance tolerance is tighter (±15% vs. ±20%), providing improved accuracy.

Compliance Status: Both components are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, indicating equivalent handling and storage requirements. Both are Active products with established supply chains.

Physical Compatibility: Footprint dimensions are compatible within standard PCB layout tolerances. The P0250.224NLT is slightly larger in length and width (0.733" x 0.596" vs. 0.724" x 0.591") but lower in height (0.290" vs. 0.295"), making it suitable for space-constrained applications with height limitations.

Frequently Asked Questions (FAQ)

Q: Can the P0250.224NLT directly replace the UP5S-221-R in all applications?

A: Direct replacement is possible when EMI shielding is not a circuit requirement. The unshielded P0250.224NLT may introduce additional electromagnetic coupling in sensitive applications. Verify circuit design specifications regarding shielding necessity before substitution.

Q: What is the impact of the 60 mOhm increase in DC resistance (P0250.224NLT vs. UP5S-221-R)?

A: The P0250.224NLT has a maximum DCR of 380 mOhm compared to 320 mOhm for the UP5S-221-R. This 60 mOhm difference results in increased power dissipation at rated current. At 1.15 A, the additional dissipation is approximately 79 mW. Thermal design calculations should account for this difference in applications with tight thermal budgets.

Q: Are the physical dimensions compatible with existing PCB layouts?

A: The P0250.224NLT footprint (18.62mm x 15.14mm) is slightly larger than the UP5S-221-R (18.40mm x 15.00mm). The difference is approximately 0.22mm in length and 0.14mm in width. Standard PCB design tolerances typically accommodate these variations. Height compatibility is improved with the P0250.224NLT at 7.36mm maximum versus 7.50mm for the UP5S-221-R.

Q: What are the inductance tolerance implications for circuit performance?

A: The UP5S-221-R has ±20% tolerance while the P0250.224NLT has ±15% tolerance. For 220 µH nominal inductance, this represents ±44 µH and ±33 µH respectively. Applications requiring tighter inductance accuracy benefit from the P0250.224NLT. Verify circuit design sensitivity to inductance variation before selection.

Q: How do the saturation current ratings affect component selection?

A: The UP5S-221-R saturates at 1.63 A while the P0250.224NLT saturates at 2.4 A. Both exceed the rated continuous current (1.15 A and 1.2 A respectively), providing adequate margin. The P0250.224NLT offers 47% higher saturation margin, beneficial for transient current conditions or applications with current overshoot.

Q: Are there temperature range considerations for substitution?

A: The UP5S-221-R operates from -25°C to 85°C while the P0250.224NLT operates from -40°C to 130°C. For applications within the UP5S-221-R range, both components are suitable. Applications requiring extended temperature performance favor the P0250.224NLT. Verify inductor performance specifications across the full operating temperature range for your application.

Q: What is the packaging and supply chain status for both components?

A: Both components are supplied in Tape & Reel (TR) packaging suitable for automated assembly. Both are Active products with established inventory. The UP5S-221-R has 666 pcs in stock while the P0250.224NLT has 861 pcs in stock, indicating stable supply availability for both options.