RC6432F90R9CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F90R9CS is a 90.9 Ohm ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film resistor features moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with 1006 units currently in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in applications where component availability or supply chain requirements necessitate alternative sourcing.

Key Parameters

Parameter	Value
Resistance	90.9 Ohms
Tolerance	±1%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RC6432F90R9CS are qualified based on strict electrical and mechanical parameter alignment. The substitution criteria are:

Electrical Parameters (Must Match Exactly):

Resistance value: 90.9 Ohms
Tolerance: ±1%
Power rating: 1W
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match Exactly):

Package type: 2512 (6432 Metric)
Composition: Thick Film
Number of terminations: 2

Compliance Parameters (Must Match or Exceed):

RoHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Both identified substitute parts meet all specified criteria and are classified as direct equivalents suitable for component replacement.

Parameter Comparison

Parameter	RC6432F90R9CS (Samsung)	CRCW251290R9FKEG (Vishay Dale)	RMCF2512FT90R9 (Stackpole)
Resistance	90.9 Ohms	90.9 Ohms	90.9 Ohms
Tolerance	±1%	±1%	±1%
Power (Watts)	1W	1W	1W
Composition	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
Package / Case	2512 (6432 Metric)	2512 (6432 Metric)	2512 (6432 Metric)
Size / Dimension	0.248" L x 0.126" W (6.30mm x 3.20mm)	0.248" L x 0.124" W (6.30mm x 3.15mm)	0.248" L x 0.126" W (6.30mm x 3.20mm)
Height - Seated (Max)	0.026" (0.66mm)	0.028" (0.70mm)	0.028" (0.70mm)
Number of Terminations	2	2	2
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active

Engineering Selection Recommendations

All three parts—RC6432F90R9CS, CRCW251290R9FKEG, and RMCF2512FT90R9—are Active products with ROHS3 compliance and MSL 1 rating. Selection between these equivalents may be based on:

Availability and Lead Time: CRCW251290R9FKEG (Vishay Dale) has 94,834 units in stock, RMCF2512FT90R9 (Stackpole) has 178,968 units in stock, and RC6432F90R9CS (Samsung) has 1,006 units in stock.

Automotive Qualification: CRCW251290R9FKEG and RMCF2512FT90R9 both carry AEC-Q200 automotive qualification, while RC6432F90R9CS specifies moisture-resistant features without automotive rating designation.

Dimensional Tolerance: RC6432F90R9CS and RMCF2512FT90R9 share identical length and width dimensions (6.30mm x 3.20mm). CRCW251290R9FKEG has a width of 3.15mm. All three parts have seated heights within 0.66mm to 0.70mm range, suitable for standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can CRCW251290R9FKEG replace RC6432F90R9CS in non-automotive applications?

A: Yes. Both parts meet identical electrical specifications (90.9 Ohms ±1%, 1W, ±100ppm/°C) and operate across -55°C to 155°C. The width dimension difference (3.15mm vs 3.20mm) is within standard PCB pad tolerance. ROHS3 and MSL 1 compliance are equivalent.

Q: What is the significance of AEC-Q200 qualification on substitute parts?

A: AEC-Q200 is an automotive industry standard for passive components. CRCW251290R9FKEG and RMCF2512FT90R9 carry this qualification, indicating enhanced reliability testing and traceability. This qualification does not affect electrical performance but provides additional quality assurance documentation suitable for automotive supply chains.

Q: Are there dimensional constraints when substituting between these parts?

A: Seated height varies from 0.66mm (RC6432F90R9CS) to 0.70mm (CRCW251290R9FKEG and RMCF2512FT90R9). This 0.04mm difference is within standard PCB assembly tolerances. Width dimensions range from 3.15mm to 3.20mm, also within standard pad design margins. Length is consistent at 6.30mm across all parts.

Q: Do all substitute parts have the same moisture sensitivity rating?

A: Yes. All three parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling. Standard component storage conditions apply.

Q: Which substitute part offers the best supply availability?

A: RMCF2512FT90R9 (Stackpole Electronics) has the highest inventory at 178,968 units, followed by CRCW251290R9FKEG (Vishay Dale) at 94,834 units.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message