LVC25JR033EV Equivalent & Substitute Parts

Part Overview

The LVC25JR033EV is a 33 mOhms ±5% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Ohmite. This current sense resistor is designed for precision measurement applications requiring low resistance values with moisture resistance. The part is classified as obsolete, making substitute components necessary for new designs and ongoing production requirements.

Substiute Parts

LVC25JR033EV

OhmiteIn Stock: 1004LVC25JR033EV Datasheet

Current PartRFQ

CSR2512FK33L0

Stackpole Electronics IncIn Stock: 920CSR2512FK33L0 Datasheet

MFR RecommendedRFQ

CSR2512FT33L0

Stackpole Electronics IncIn Stock: 1063CSR2512FT33L0 Datasheet

MFR RecommendedRFQ

CSR2512JT33L0

Stackpole Electronics IncIn Stock: 891CSR2512JT33L0 Datasheet

MFR RecommendedRFQ

CSRN2512FK33L0

Stackpole Electronics IncIn Stock: 878CSRN2512FK33L0 Datasheet

MFR RecommendedRFQ

CSRN2512FT33L0

Stackpole Electronics IncIn Stock: 1017CSRN2512FT33L0 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the LVC25JR033EV is determined by the following critical parameters:

Mandatory Compatibility Criteria:

• Resistance value: 33 mOhms
• Package / Case: 2512 (6432 Metric)
• Composition: Thick Film
• Application: Current Sense

Allowable Variations:

• Tolerance: ±1% or ±5% (tighter tolerance acceptable)
• Power Rating: 2W (higher rating acceptable for same package)
• Operating Temperature Range: Extended range acceptable (-55°C ~ 155°C exceeds -40°C ~ 125°C requirement)
• Product Status: Active substitutes preferred over obsolete

All substitute parts listed maintain the 2512 package footprint, thick film construction, and current sense application. Stackpole Electronics CSR and CSRN series parts meet these criteria with enhanced specifications including higher power ratings and extended temperature ranges.

Parameter Comparison

Engineering Selection Recommendations

For Standard Applications: CSR2512FK33L0 and CSR2512FT33L0 are direct functional replacements with improved specifications. Both offer ±1% tolerance and 2W power rating in the identical 2512 package. These parts are active products with full ROHS3 compliance and extended operating temperature range (-55°C ~ 155°C), providing superior performance margins over the obsolete LVC25JR033EV.

For Tolerance-Matched Replacement: CSR2512JT33L0 maintains the ±5% tolerance of the original part while providing 2W power rating and active product status. This option is suitable for applications where tolerance specification must match the original design exactly.

For Automotive Applications: CSRN2512FK33L0 and CSRN2512FT33L0 are AEC-Q200 qualified alternatives with ±1% tolerance and 2W power rating. These parts are required for automotive designs and applications subject to automotive qualification requirements.

All substitute parts maintain identical package footprint, composition, and current sense application suitability. The transition from 1W to 2W power rating provides additional thermal margin without affecting circuit board layout or electrical performance in the specified operating range.

Frequently Asked Questions (FAQ)

Q: Can CSR2512 series parts directly replace the LVC25JR033EV in existing designs? A: Yes. All CSR2512 series substitutes maintain the 2512 (6432 Metric) package footprint and 33 mOhms resistance value. No PCB layout modifications are required. The higher 2W power rating provides additional thermal capability without affecting electrical performance.

Q: What is the difference between CSR2512FK33L0, CSR2512FT33L0, and CSR2512JT33L0? A: CSR2512FK33L0 and CSR2512FT33L0 both offer ±1% tolerance, while CSR2512JT33L0 provides ±5% tolerance matching the original part. All three are 2W rated and functionally equivalent for current sense applications. Selection depends on tolerance requirements for the specific application.

Q: When should CSRN2512 series parts be used instead of CSR2512 series? A: CSRN2512 series parts carry AEC-Q200 automotive qualification and are required for automotive applications or designs subject to automotive standards. For non-automotive applications, CSR2512 series parts are appropriate.

Q: Are there any thermal or electrical performance differences between the 1W original and 2W substitutes? A: The 2W substitutes provide higher power dissipation capability in the same package. For applications operating within the original 1W specification, the 2W rating provides additional thermal margin and improved reliability. No electrical performance degradation occurs.

Q: Do all substitute parts maintain ROHS3 compliance? A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the environmental compliance of the original LVC25JR033EV.

Q: What is the operating temperature range difference, and does it affect compatibility? A: The original part operates -40°C ~ 125°C, while all substitutes operate -55°C ~ 155°C. The extended range of substitutes exceeds the original specification and provides improved performance margin. No compatibility issues arise from this specification difference.