RC3216F1051CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F1051CS is a 1.05 kOhms ±1% 0.25W chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package configuration. This thick film, moisture-resistant component operates across -55°C to 155°C and maintains ROHS3 compliance with MSL 1 rating. The part is currently in active production status with 1148 units available in inventory. Equivalent and substitute parts are identified for applications requiring alternative sourcing, inventory management, or specific manufacturing certifications such as automotive AEC-Q200 qualification.

Substiute Parts

RC3216F1051CS

Samsung Electro-MechanicsIn Stock: 1226RC3216F1051CS Datasheet

Current PartRFQ

CR1206-FX-1051ELF

Bourns Inc.In Stock: 26042CR1206-FX-1051ELF Datasheet

DirectRFQ

RC1206FR-071K05L

YAGEOIn Stock: 10838RC1206FR-071K05L Datasheet

DirectRFQ

CRCW12061K05FKEA

Vishay DaleIn Stock: 6751CRCW12061K05FKEA Datasheet

SimilarRFQ

ERJ-8ENF1051V

Panasonic Electronic ComponentsIn Stock: 40645ERJ-8ENF1051V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F1051CS is determined by strict equivalence across the following parameters:

Critical Matching Parameters:

• Resistance value: 1.05 kOhms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Package: 1206 (3216 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2
• RoHS3 compliance
• MSL 1 rating

All identified substitute parts meet these core electrical and mechanical specifications. Dimensional variations within supplier device package tolerances and differences in product status or certifications (such as automotive AEC-Q200) do not affect functional interchangeability for standard applications.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitutes (Active Status):

CR1206-FX-1051ELF (Bourns Inc.) and RC1206FR-071K05L (YAGEO) are functionally equivalent direct substitutes with active product status. Both maintain identical electrical specifications and packaging. CR1206-FX-1051ELF offers 26032 units in inventory, while RC1206FR-071K05L provides 10743 units. Selection between these options depends on supply chain requirements and preferred supplier relationships.

Automotive-Qualified Alternatives:

CRCW12061K05FKEA (Vishay Dale) and ERJ-8ENF1051V (Panasonic Electronic Components) are functionally equivalent substitutes with AEC-Q200 automotive qualification. CRCW12061K05FKEA maintains active product status with 6720 units available. ERJ-8ENF1051V carries "Not For New Designs" status with 40583 units in stock. AEC-Q200 certification qualifies these parts for automotive applications requiring enhanced reliability and qualification testing. Use CRCW12061K05FKEA for new automotive designs; ERJ-8ENF1051V is suitable only for legacy system support or non-critical applications.

Inventory and Availability:

All substitute parts are available in tape and reel packaging. Selection should prioritize active status parts (CR1206-FX-1051ELF, RC1206FR-071K05L, CRCW12061K05FKEA) for new designs. ERJ-8ENF1051V availability is highest but restricted to legacy applications.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-1051ELF replace RC3216F1051CS in existing designs?

A: Yes. CR1206-FX-1051ELF meets all electrical and mechanical specifications of RC3216F1051CS. Both are 1.05 kOhms ±1% 0.25W thick film resistors in 1206 package with identical temperature coefficients, operating ranges, and compliance ratings. Direct substitution is valid.

Q: What is the difference between standard and AEC-Q200 qualified parts?

A: CRCW12061K05FKEA and ERJ-8ENF1051V carry AEC-Q200 automotive qualification, indicating enhanced reliability testing and qualification for automotive applications. RC3216F1051CS, CR1206-FX-1051ELF, and RC1206FR-071K05L do not carry this certification. Use AEC-Q200 parts only when automotive qualification is a design requirement.

Q: Why is ERJ-8ENF1051V marked "Not For New Designs"?

A: "Not For New Designs" status indicates the manufacturer has discontinued active development for this part. While functionally equivalent and available in inventory, ERJ-8ENF1051V should be used only for legacy system maintenance or non-critical applications. New designs should use active status alternatives: CR1206-FX-1051ELF, RC1206FR-071K05L, or CRCW12061K05FKEA.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within supplier device package tolerances. RC3216F1051CS height is 0.026" (0.66mm); CR1206-FX-1051ELF is 0.030" (0.75mm); RC1206FR-071K05L is 0.026" (0.65mm); CRCW12061K05FKEA is 0.024" (0.60mm); ERJ-8ENF1051V is 0.028" (0.70mm). All variations remain within 1206 package specifications and do not affect PCB layout or assembly compatibility.

Q: Which substitute offers the best inventory availability?

A: ERJ-8ENF1051V provides the highest inventory at 40583 units. However, for new designs, CR1206-FX-1051ELF (26032 units) is preferred due to active product status. RC1206FR-071K05L (10743 units) and CRCW12061K05FKEA (6720 units) offer adequate availability with active status.

Q: Can these parts be used interchangeably in high-reliability applications?

A: All parts meet ROHS3 compliance and MSL 1 ratings. For automotive or high-reliability applications, CRCW12061K05FKEA is the appropriate choice due to AEC-Q200 qualification. Standard industrial applications accept any active status substitute.