CSS2728JT50L0 Equivalent & Substitute Parts

Part Overview

The CSS2728JT50L0 is a 50 mOhm ±5% 3W chip resistor manufactured by Stackpole Electronics Inc, designed for current sensing applications in automotive environments. This metal element resistor meets AEC-Q200 automotive qualification standards and operates across a wide temperature range from -55°C to 225°C. The part is currently active in production with 989 units in stock. Substitute parts may be required due to inventory constraints, performance upgrades, or application-specific tolerance and power rating requirements.

Substiute Parts

CSS2728JT50L0

Stackpole Electronics IncIn Stock: 1081CSS2728JT50L0 Datasheet

Current PartRFQ

CSSH2728FT50L0

Stackpole Electronics IncIn Stock: 1770CSSH2728FT50L0 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

The CSSH2728FT50L0 qualifies as a direct substitute for the CSS2728JT50L0 based on the following substitution criteria:

Matching Parameters:

• Identical resistance value: 50 mOhms
• Identical package: Wide 2827 (7067 Metric), 2728
• Identical physical dimensions: 0.264" L x 0.283" W (6.71mm x 7.19mm)
• Identical temperature coefficient: ±15ppm/°C
• Identical operating temperature range: -55°C to 225°C
• Identical composition: Metal Element
• Identical automotive qualification: AEC-Q200
• Identical RoHS and REACH compliance status

Upgraded Parameters:

• Tolerance improved from ±5% to ±1%
• Power rating increased from 3W to 4W

The substitute part maintains full electrical and mechanical compatibility while offering enhanced performance specifications in tolerance and power handling capability.

Parameter Comparison

Engineering Selection Recommendations

Both the CSS2728JT50L0 and CSSH2728FT50L0 are active production parts with full AEC-Q200 automotive qualification and ROHS3 compliance. The CSSH2728FT50L0 represents an upgrade path offering tighter tolerance control (±1% versus ±5%) and increased power dissipation capability (4W versus 3W) within an identical footprint and package configuration.

Selection between these parts depends on application requirements: the CSS2728JT50L0 is suitable for standard current sensing applications with ±5% tolerance acceptance, while the CSSH2728FT50L0 is appropriate for applications requiring higher precision measurement or increased thermal headroom in high-current sensing circuits.

Frequently Asked Questions (FAQ)

Q: Can CSSH2728FT50L0 be used as a direct replacement for CSS2728JT50L0?

A: Yes. Both parts share identical resistance, package, dimensions, temperature coefficient, operating temperature range, and automotive qualification. The substitute offers improved tolerance and power rating specifications.

Q: Are there any footprint or mounting differences between these parts?

A: No. Both parts use the identical Wide 2827 (7067 Metric) package with matching dimensions of 0.264" L x 0.283" W and 0.049" maximum seated height. PCB layout and assembly processes require no modification.

Q: What is the significance of the tolerance upgrade from ±5% to ±1%?

A: The ±1% tolerance in the CSSH2728FT50L0 provides tighter resistance value control, beneficial for precision current sensing applications where measurement accuracy is critical. The ±5% tolerance of the CSS2728JT50L0 is acceptable for general-purpose current sensing where wider tolerance bands are permissible.

Q: Does the increased power rating of the CSSH2728FT50L0 affect thermal management requirements?

A: The 4W rating of the CSSH2728FT50L0 provides additional thermal margin compared to the 3W CSS2728JT50L0. Both parts operate within the same temperature coefficient and range, so existing thermal design considerations remain valid. The higher power rating allows operation at higher current levels without thermal derating.

Q: Are both parts compliant with automotive standards?

A: Yes. Both the CSS2728JT50L0 and CSSH2728FT50L0 carry AEC-Q200 automotive qualification, ROHS3 compliance, and REACH unaffected status, meeting automotive industry reliability and environmental requirements.

Q: What is the MSL rating and does it affect storage or handling?

A: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity limitations. Standard component storage and handling procedures apply without special moisture control requirements.