CRCW20101K21FSTF Equivalent & Substitute Parts

Part Overview

The CRCW20101K21FSTF is a 1.21 kOhms ±1% 0.75W chip resistor in 2010 (5025 Metric) package manufactured by Vishay Dale. This thick film resistor is rated for automotive applications under AEC-Q200 standard and operates across the temperature range of -55°C to 155°C. The part is currently active in production. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and automotive certifications align with the original component requirements.

Substiute Parts

CRCW20101K21FSTF

Vishay DaleIn Stock: 920CRCW20101K21FSTF Datasheet

Current PartRFQ

RMCF2010FT1K21

Stackpole Electronics IncIn Stock: 7071RMCF2010FT1K21 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CRCW20101K21FSTF are qualified based on the following criteria:

• Resistance value: 1.21 kOhms
• Tolerance: ±1%
• Power rating: 0.75W
• Package type: 2010 (5025 Metric)
• Composition: Thick Film
• Automotive certification: AEC-Q200
• Operating temperature range: -55°C ~ 155°C
• Physical dimensions: 0.197" L x 0.098" W (5.00mm x 2.50mm)
• Height - Seated (Max): 0.028" (0.70mm)
• Number of terminations: 2

The RMCF2010FT1K21 from Stackpole Electronics Inc meets all these electrical and mechanical specifications, making it a direct equivalent substitute.

Parameter Comparison

Engineering Selection Recommendations

The RMCF2010FT1K21 is a direct functional equivalent to the CRCW20101K21FSTF. Both parts share identical electrical specifications (1.21 kOhms ±1%, 0.75W), mechanical dimensions (2010 package), and automotive certification (AEC-Q200). The RMCF2010FT1K21 offers improved compliance status with ROHS3 certification and REACH Unaffected designation, compared to the CRCW20101K21FSTF which is RoHS non-compliant and REACH Affected. Selection between these parts should be based on regulatory compliance requirements and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can RMCF2010FT1K21 be used as a direct replacement for CRCW20101K21FSTF?

A: Yes. Both parts have identical resistance (1.21 kOhms), tolerance (±1%), power rating (0.75W), package dimensions (2010 / 5025 Metric), and automotive certification (AEC-Q200). They are mechanically and electrically interchangeable.

Q: Are there differences in temperature performance between these parts?

A: Both parts operate across -55°C to 155°C. The RMCF2010FT1K21 specifies a temperature coefficient of ±100ppm/°C, while the CRCW20101K21FSTF does not provide this specification in the available data.

Q: What is the difference in RoHS and REACH compliance?

A: The RMCF2010FT1K21 is ROHS3 Compliant and REACH Unaffected, while the CRCW20101K21FSTF is RoHS non-compliant and REACH Affected. Applications requiring strict environmental compliance should prioritize the RMCF2010FT1K21.

Q: Do packaging formats differ between these parts?

A: The CRCW20101K21FSTF is supplied in Tape & Reel (TR) format, while the RMCF2010FT1K21 is supplied in Cut Tape (CT) format. Both formats are standard for SMD component distribution and do not affect electrical or mechanical compatibility.

Q: Are both parts rated for automotive applications?

A: Yes. Both the CRCW20101K21FSTF and RMCF2010FT1K21 carry AEC-Q200 automotive qualification, making them suitable for automotive-grade circuit designs.