RC6432F912CS Equivalent & Substitute Parts

Part Overview

The RC6432F912CS is a 9.1 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant. The part is currently in active production status with 990 pieces available in inventory.

Substitute parts become necessary when the primary manufacturer experiences supply constraints, extended lead times, or when design requirements permit equivalent alternatives that meet identical electrical and mechanical specifications. The RC6432F912CS has documented substitute availability through alternative manufacturers offering compatible 9.1 kOhms ±1% 1W resistors in the same 2512 package format.

Substiute Parts

RC6432F912CS

Samsung Electro-MechanicsIn Stock: 1079RC6432F912CS Datasheet

Current PartRFQ

ERJ-1TNF9101U

Panasonic Electronic ComponentsIn Stock: 8019ERJ-1TNF9101U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F912CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Resistance value: 9.1 kOhms
• Tolerance: ±1%
• Power rating: 1W
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Parameters:

• Package type: 2512 (6432 Metric)
• Composition: Thick Film
• Number of terminations: 2
• Moisture sensitivity level: 1 (Unlimited)

Compliance Parameters:

• RoHS3 compliance
• REACH unaffected status

The ERJ-1TNF9101U manufactured by Panasonic Electronic Components meets all electrical and mechanical equivalence criteria. While this substitute carries automotive AEC-Q200 qualification and differs in product status (Not For New Designs), it maintains identical resistance, tolerance, power rating, package dimensions, and operating specifications. Dimensional variations (0.252" L x 0.126" W versus 0.248" L x 0.126" W, and height 0.028" versus 0.026") remain within acceptable mechanical tolerances for 2512 package footprints.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: RC6432F912CS

The RC6432F912CS maintains active production status and is recommended for new designs. This Samsung Electro-Mechanics component provides standard thick film resistor performance with moisture resistance and unlimited moisture sensitivity rating. Current inventory of 990 pieces supports immediate procurement requirements.

Substitute Selection: ERJ-1TNF9101U

The Panasonic ERJ-1TNF9101U serves as an electrical and mechanical equivalent when RC6432F912CS availability is constrained. This substitute carries AEC-Q200 automotive qualification, indicating enhanced reliability screening. However, the product status designation "Not For New Designs" indicates Panasonic has discontinued active development for this part number. Selection of this substitute is appropriate for legacy system maintenance, field replacements, or applications where automotive-grade qualification provides additional assurance.

The ERJ-1TNF9101U is supplied in Tape & Reel packaging with significantly higher inventory availability (7947 pieces), supporting high-volume procurement scenarios. Dimensional tolerances remain compatible with standard 2512 footprint PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF9101U directly replace RC6432F912CS in existing designs?

A: Yes. Both components share identical electrical specifications (9.1 kOhms ±1%, 1W, ±100ppm/°C, -55°C to 155°C) and are packaged in the 2512 (6432 Metric) format. Dimensional variations (length 0.004" and height 0.002" maximum) fall within standard PCB footprint tolerances for this package class.

Q: What is the significance of the "Not For New Designs" status on ERJ-1TNF9101U?

A: This designation indicates Panasonic has transitioned this part number to end-of-life status and is not recommending it for new product development. However, the component remains functionally equivalent and suitable for replacement applications, field service, or legacy system support where design changes are not feasible.

Q: Are there packaging differences between these parts?

A: Yes. The RC6432F912CS is supplied in bulk packaging, while the ERJ-1TNF9101U is supplied in Tape & Reel (TR) format. Tape & Reel packaging is standard for high-volume manufacturing and automated assembly processes. Bulk packaging is typical for lower-volume or manual assembly operations.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both RC6432F912CS and ERJ-1TNF9101U are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS code 8533.21.0030. Moisture sensitivity level is 1 (Unlimited) for both components.

Q: What is the practical difference in operating temperature performance?

A: Both components operate identically across -55°C to 155°C with ±100ppm/°C temperature coefficient. No performance differentiation exists within this temperature range.