LVC25JR270EV Equivalent & Substitute Parts

Part Overview

The LVC25JR270EV is a 270 mOhms ±5% 1W chip resistor manufactured by Ohmite in the 2512 (6432 Metric) package. This thick film current sense resistor is designed for applications requiring precision current measurement and monitoring. The part is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. Substitute parts maintain the core electrical specifications while offering improved tolerance, power rating, or active product status.

Substiute Parts

LVC25JR270EV

OhmiteIn Stock: 911LVC25JR270EV Datasheet

Current PartRFQ

CRM2512-FX-R270ELF

Bourns Inc.In Stock: 1079CRM2512-FX-R270ELF Datasheet

MFR RecommendedRFQ

RL73H3AR27FTDF

TE Connectivity Passive ProductIn Stock: 2878RL73H3AR27FTDF Datasheet

MFR RecommendedRFQ

RL73H3AR27FTE

TE Connectivity Passive ProductIn Stock: 16447RL73H3AR27FTE Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the LVC25JR270EV is determined by the following critical parameters:

• Resistance Value: Must be 270 mOhms (exact match required)
• Package Type: Must be 2512 (6432 Metric) for mechanical and thermal compatibility
• Composition: Thick film construction maintains electrical characteristics
• Temperature Coefficient: ±100ppm/°C ensures thermal stability equivalence
• Moisture Sensitivity Level: MSL 1 (Unlimited) for handling and storage compatibility
• RoHS Compliance: ROHS3 Compliant for regulatory alignment

Tolerance and power rating may vary within acceptable ranges for current sense applications. Substitute parts with improved tolerance (±1% vs ±5%) or higher power ratings (2W vs 1W) provide enhanced performance margins while maintaining functional equivalence. All substitute parts are active products with current manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts are active products with current manufacturing support, eliminating obsolescence risk associated with the LVC25JR270EV. Selection among substitutes depends on application-specific requirements:

CRM2512-FX-R270ELF (Bourns Inc.) offers the highest power dissipation capability at 2W with improved tolerance of ±1%. This part is suitable for applications requiring enhanced thermal headroom or tighter resistance accuracy. Extended operating temperature range (-55°C ~ 155°C) provides broader environmental compatibility.

RL73H3AR27FTDF and RL73H3AR27FTE (TE Connectivity Passive Product) maintain the original 1W power rating with ±1% tolerance improvement. Both parts are functionally equivalent with identical electrical and mechanical specifications. RL73H3AR27FTE has significantly higher inventory availability (16,371 pcs vs 2,867 pcs), making it the preferred choice for volume production. Extended operating temperature range (-55°C ~ 155°C) exceeds the original specification.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical package dimensions for direct mechanical replacement.

Frequently Asked Questions (FAQ)

Q: Can CRM2512-FX-R270ELF replace LVC25JR270EV in existing designs?

A: Yes. The CRM2512-FX-R270ELF maintains identical resistance value, package type, and thermal coefficient. The improved tolerance (±1% vs ±5%) and higher power rating (2W vs 1W) provide enhanced performance margins. Verify that the application does not have specific constraints on power dissipation or thermal characteristics that would be affected by the higher power rating.

Q: What is the difference between RL73H3AR27FTDF and RL73H3AR27FTE?

A: Both parts are electrically and mechanically identical. The primary difference is packaging format and inventory availability. RL73H3AR27FTE is supplied in Tape & Reel format with significantly higher stock levels (16,371 pcs), making it the standard choice for production applications.

Q: Are all substitute parts mechanically compatible with the original LVC25JR270EV?

A: Yes. All substitute parts use the 2512 (6432 Metric) package with compatible footprints. Dimensional variations are within acceptable tolerances for PCB assembly. Height differences (0.026" to 0.031" seated maximum) do not affect standard reflow soldering processes.

Q: Do the substitute parts maintain the moisture resistant feature of the original?

A: All substitute parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity limitations. This exceeds the moisture resistant specification of the original LVC25JR270EV.

Q: Which substitute part should be selected for new designs?

A: RL73H3AR27FTE is recommended for new designs based on active product status, highest inventory availability, and proven TE Connectivity manufacturing support. The ±1% tolerance and extended operating temperature range provide design margin improvements over the obsolete original part.