UP5S-681-R Equivalent & Substitute Parts

Part Overview

The UP5S-681-R is a 680 µH shielded wirewound surface mount inductor manufactured by Eaton - Electronics Division. This component is rated for 650 mA continuous current with a maximum DC resistance of 1.1 Ohm and operates across the temperature range of -25°C to 85°C. The part is classified as Active product status and is RoHS3 compliant with MSL 1 rating.

Substitute parts are identified when equivalent electrical performance can be maintained within the specified parameter tolerances while accommodating application-specific requirements such as thermal range, current capacity, or shielding characteristics.

Substiute Parts

UP5S-681-R

Eaton - Electronics DivisionIn Stock: 851UP5S-681-R Datasheet

Current PartRFQ

P0250.684NLT

Pulse ElectronicsIn Stock: 3714P0250.684NLT Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the UP5S-681-R is determined by the following critical parameters:

Electrical Equivalence Requirements:

• Inductance value of 680 µH within specified tolerance
• DC resistance of 1.1 Ohm maximum
• Current rating sufficient for application demands
• Saturation current (Isat) adequate for peak transient conditions

Mechanical & Environmental Compatibility:

• Surface mount packaging format
• Physical dimensions compatible with PCB layout constraints
• Operating temperature range encompassing application requirements
• Moisture sensitivity level MSL 1

Regulatory & Compliance:

• RoHS3 compliance status
• ECCN and HTSUS classification alignment

The substitute part P0250.684NLT meets the core electrical parameters (680 µH inductance, 1.1 Ohm DCR) with enhanced current capacity (720 mA vs. 650 mA) and saturation current (1.2 A vs. 930 mA). The primary distinction is the unshielded construction and extended operating temperature range (-40°C to 130°C).

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (UP5S-681-R): Select the UP5S-681-R when shielded construction is required to minimize electromagnetic interference (EMI) coupling to adjacent circuit elements. This part is suitable for applications operating within the -25°C to 85°C temperature envelope with current demands up to 650 mA continuous operation.

Substitute Part Selection (P0250.684NLT): The P0250.684NLT is suitable as a substitute when the following conditions are met:

• Shielding is not a circuit requirement
• Application current demands exceed 650 mA but remain within 720 mA continuous rating
• Operating temperature range extends beyond 85°C, up to 130°C maximum
• Tighter inductance tolerance (±15% vs. ±20%) is beneficial
• Higher saturation current (1.2 A vs. 930 mA) provides additional margin for transient conditions

Both parts maintain RoHS3 compliance, MSL 1 rating, and identical DC resistance specifications. Physical dimensions are comparable within manufacturing tolerances for nonstandard packages.

Frequently Asked Questions (FAQ)

Q: Can P0250.684NLT replace UP5S-681-R in all applications?

A: Substitution is valid when the application does not require shielded construction. The unshielded design of P0250.684NLT may introduce EMI coupling in sensitive analog circuits. Verify that adjacent circuit elements tolerate potential magnetic field coupling before substitution.

Q: What is the impact of the ±15% tolerance (P0250.684NLT) versus ±20% tolerance (UP5S-681-R)?

A: The P0250.684NLT provides tighter inductance tolerance, resulting in more consistent performance across production batches. This is advantageous in applications with strict inductance specifications. The UP5S-681-R's ±20% tolerance is acceptable for general filtering and energy storage applications.

Q: Are the physical dimensions interchangeable?

A: The parts have comparable but not identical dimensions. UP5S-681-R measures 18.40mm L × 15.00mm W × 7.50mm H (seated). P0250.684NLT measures 18.62mm L × 15.14mm W × 7.36mm H (seated). Verify PCB footprint and clearance requirements before substitution.

Q: What is the significance of the extended temperature range in P0250.684NLT?

A: The P0250.684NLT operates from -40°C to 130°C, compared to UP5S-681-R's -25°C to 85°C range. This extended range is required for automotive, industrial, or high-temperature applications. If the application operates within -25°C to 85°C, both parts are equivalent in this regard.

Q: How do current ratings affect substitution decisions?

A: The P0250.684NLT supports 720 mA continuous current versus UP5S-681-R's 650 mA. If application current demand is 650 mA or less, both parts are suitable. If demand exceeds 650 mA but remains below 720 mA, only P0250.684NLT is acceptable. Saturation current (Isat) must also be verified for transient peak conditions.

Q: Are both parts available in Tape & Reel packaging?

A: Yes. Both UP5S-681-R and P0250.684NLT are supplied in Tape & Reel (TR) format, suitable for automated assembly processes.

Q: What compliance certifications apply to both parts?

A: Both parts are RoHS3 compliant, classified as EAR99 for export control, and carry HTSUS code 8504.50.4000. Both maintain MSL 1 (Unlimited) moisture sensitivity rating.