CSR0805JT27L0 Equivalent & Substitute Parts

Part Overview

The CSR0805JT27L0 is a 27 mOhm ±5% thick film chip resistor in 0805 (2012 Metric) package rated for 0.25W (1/4W) power dissipation. Manufactured by Stackpole Electronics Inc, this current sense resistor operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is active in production with 1118 units in stock. Substitute parts are identified to provide alternatives with enhanced electrical specifications or automotive-grade certifications while maintaining mechanical and thermal compatibility.

Substiute Parts

CSR0805JT27L0

Stackpole Electronics IncIn Stock: 1151CSR0805JT27L0 Datasheet

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ERJ-6BWFR027V

Panasonic Electronic ComponentsIn Stock: 18034ERJ-6BWFR027V Datasheet

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ERJ-6BWJR027V

Panasonic Electronic ComponentsIn Stock: 5191ERJ-6BWJR027V Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CSR0805JT27L0 are qualified based on the following criteria:

Mechanical Compatibility: All substitute parts maintain the 0805 (2012 Metric) package footprint with identical length (0.079") and width (0.049"), ensuring PCB layout compatibility.

Electrical Parameters: Substitutes retain the 27 mOhm resistance value and thick film composition. Tolerance and power rating may be enhanced without compromising the original design intent.

Thermal Performance: All substitutes operate within the -55°C to 155°C temperature range with temperature coefficients within ±200ppm/°C specification.

Regulatory Compliance: All substitutes maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status, ensuring environmental and supply chain compatibility.

Functional Characteristics: Current sense functionality is preserved across all substitute options.

Parameter Comparison

Engineering Selection Recommendations

ERJ-6BWFR027V is suitable for applications requiring enhanced tolerance specification (±1% versus ±5%) and increased power dissipation capability (0.5W versus 0.25W). This part carries AEC-Q200 automotive qualification, appropriate for automotive and high-reliability applications. The marginally increased seated height (0.030" versus 0.026") remains within standard PCB assembly tolerances.

ERJ-6BWJR027V maintains the ±5% tolerance of the original part while providing doubled power rating (0.5W) and AEC-Q200 automotive qualification. This substitute offers improved thermal headroom for current sense applications without tolerance tightening, suitable for designs requiring automotive-grade reliability.

Both Panasonic substitutes are active production parts with substantial inventory availability (17987 and 5134 units respectively) and maintain full regulatory compliance with ROHS3 and REACH requirements.

Frequently Asked Questions (FAQ)

Q: Can ERJ-6BWFR027V and ERJ-6BWJR027V be used interchangeably with CSR0805JT27L0?

A: Both Panasonic parts are mechanically and electrically compatible as direct substitutes. The 0805 package footprint is identical. ERJ-6BWFR027V provides tighter tolerance (±1%), while ERJ-6BWJR027V matches the original ±5% tolerance. Both offer doubled power rating (0.5W) compared to the original 0.25W specification.

Q: What is the impact of the increased seated height on PCB assembly?

A: Substitute parts have a maximum seated height of 0.030" (0.75mm) compared to the original 0.026" (0.65mm). This 0.004" (0.1mm) difference is within standard PCB assembly process tolerances and does not require design modifications.

Q: Are the Panasonic substitutes suitable for automotive applications?

A: Yes. Both ERJ-6BWFR027V and ERJ-6BWJR027V carry AEC-Q200 automotive qualification, making them appropriate for automotive-grade designs. The original CSR0805JT27L0 does not specify automotive qualification.

Q: How do tolerance differences affect circuit performance?

A: ERJ-6BWFR027V provides ±1% tolerance compared to ±5% in the original and ERJ-6BWJR027V. For current sense applications, tighter tolerance reduces measurement error. Selection depends on circuit accuracy requirements.

Q: Are all parts ROHS3 compliant?

A: Yes. CSR0805JT27L0, ERJ-6BWFR027V, and ERJ-6BWJR027V are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and REACH unaffected status.