RMCS1206FT33R2 Equivalent & Substitute Parts

Part Overview

The RMCS1206FT33R2 is a 33.2 Ohm ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Stackpole Electronics Inc. This anti-sulfur resistor is designed for general-purpose applications requiring precision resistance values with standard tolerance specifications. The part is currently active in production with 858 pieces available in stock. Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements mandate specific certifications such as AEC-Q200 automotive qualification, or when alternative sourcing is required for supply chain optimization.

Substiute Parts

RMCS1206FT33R2

Stackpole Electronics IncIn Stock: 904RMCS1206FT33R2 Datasheet

Current PartRFQ

RMCF1206FT33R2

Stackpole Electronics IncIn Stock: 33122RMCF1206FT33R2 Datasheet

MFR RecommendedRFQ

CR1206-FX-33R2ELF

Bourns Inc.In Stock: 25230CR1206-FX-33R2ELF Datasheet

MFR RecommendedRFQ

CRCW120633R2FKEA

Vishay DaleIn Stock: 15677CRCW120633R2FKEA Datasheet

MFR RecommendedRFQ

CRCW120633R2FKEAHP

Vishay DaleIn Stock: 26009CRCW120633R2FKEAHP Datasheet

MFR RecommendedRFQ

CRCW120633R2FKTA

Vishay DaleIn Stock: 5813CRCW120633R2FKTA Datasheet

MFR RecommendedRFQ

ERJ-8ENF33R2V

Panasonic Electronic ComponentsIn Stock: 37124ERJ-8ENF33R2V Datasheet

MFR RecommendedRFQ

RC1206FR-0733R2L

YAGEOIn Stock: 1368RC1206FR-0733R2L Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RMCS1206FT33R2 is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Resistance value: 33.2 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.25W minimum (0.75W acceptable as higher rating)
• Package: 1206 (3216 Metric) form factor
• Composition: Thick film construction
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C minimum coverage

Secondary Considerations:

• RoHS3 compliance status
• Moisture sensitivity level MSL 1
• Packaging format: Tape & Reel (TR)

Substitute parts are grouped into two categories: direct equivalents matching all primary criteria, and qualified alternatives with enhanced certifications (AEC-Q200 automotive qualification) or alternative feature sets (moisture resistance, pulse withstanding capability).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Stackpole Series): RMCF1206FT33R2 is the manufacturer-recommended substitute from Stackpole Electronics Inc, offering identical electrical specifications with automotive AEC-Q200 qualification. This part maintains the same anti-sulfur thick film construction and provides superior stock availability (33,027 pieces).

Automotive-Qualified Alternatives: CRCW120633R2FKEA (Vishay Dale) and ERJ-8ENF33R2V (Panasonic) both meet AEC-Q200 automotive standards with full ROHS3 compliance. CRCW120633R2FKEAHP provides enhanced pulse withstanding capability at 0.75W power rating while maintaining the 1206 package footprint, suitable for applications requiring higher transient stress tolerance.

Moisture-Resistant Options: CR1206-FX-33R2ELF (Bourns) and RC1206FR-0733R2L (YAGEO) feature moisture-resistant construction, appropriate for humid or corrosive environments. Both maintain ROHS3 compliance and standard electrical specifications.

Compliance Consideration: CRCW120633R2FKTA carries RoHS non-compliant status and REACH-affected designation, limiting its use to legacy or non-regulated applications. This part should be avoided for new designs requiring environmental compliance.

Product Status: ERJ-8ENF33R2V is marked "Not For New Designs" by Panasonic, indicating end-of-life status. While currently in stock (37,016 pieces), this part should be considered only for replacement or maintenance applications.

Frequently Asked Questions (FAQ)

Q: Can CRCW120633R2FKEAHP (0.75W) be used as a direct replacement for RMCS1206FT33R2 (0.25W)? A: Yes. The higher power rating is a superset of the original specification. The 0.75W part will function identically in circuits designed for 0.25W operation, with improved thermal margin and pulse handling capability.

Q: What is the difference between anti-sulfur and moisture-resistant features? A: Anti-sulfur construction protects against sulfur-containing atmospheric contaminants. Moisture-resistant construction provides protection against humidity and moisture ingress. These are distinct protective mechanisms addressing different environmental stressors.

Q: Are all substitute parts pin-compatible with the original RMCS1206FT33R2? A: Yes. All listed substitutes use the 1206 (3216 Metric) package with identical two-termination configuration and footprint dimensions within specified tolerances.

Q: Which substitute offers the best stock availability? A: ERJ-8ENF33R2V provides the highest inventory (37,016 pieces), followed by RMCF1206FT33R2 (33,027 pieces). However, ERJ-8ENF33R2V carries "Not For New Designs" status.

Q: Should I use CRCW120633R2FKTA for new designs? A: No. This part is RoHS non-compliant and REACH-affected, making it unsuitable for new product development. Use CRCW120633R2FKEA instead for equivalent Vishay Dale AEC-Q200 qualified performance with full compliance.

Q: What is the significance of AEC-Q200 qualification? A: AEC-Q200 certification indicates the part meets automotive industry reliability and performance standards. This qualification is required for automotive applications and provides assurance of enhanced quality control and testing protocols.

Q: Can I mix different substitute manufacturers in the same circuit board? A: Yes. All substitutes meet identical electrical specifications (33.2 Ω ±1%, 0.25W, ±100ppm/°C, -55°C ~ 155°C). Mixing manufacturers is electrically valid, though single-source procurement is recommended for supply chain consistency.