RC3216F393CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F393CS is a 39 kOhm ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with 938 units currently in stock. The RC3216F393CS serves as a standard general-purpose resistor for applications requiring moisture resistance and stable performance across the -55°C to 155°C operating temperature range. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when specific application requirements necessitate alternative manufacturers or enhanced specifications.

Key Parameters

Parameter	Value
Resistance	39 kOhms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Resistance	Yes
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RC3216F393CS are classified based on strict electrical and mechanical parameter alignment. All identified substitutes maintain the following core specifications: 39 kOhm resistance value, ±1% tolerance, 0.25W power rating (with one exception noted), 1206 package format, thick film composition, ±100ppm/°C temperature coefficient, -55°C to 155°C operating temperature range, ROHS3 compliance, and MSL 1 rating.

Direct Substitutes (Identical electrical and mechanical specifications):

CR1206-FX-3902ELF (Bourns Inc.)
RC1206FR-0739KL (YAGEO)

Upgrade Substitutes (Enhanced specifications with full backward compatibility):

AC1206FR-0739KL (YAGEO) – Adds Automotive AEC-Q200 qualification
CRCW120639K0FKEA (Vishay Dale) – Adds Automotive AEC-Q200 qualification

Higher Power Rating Substitute (Exceeds power specification):

CRCW120639K0FKEAHP (Vishay Dale) – 0.75W rating with Automotive AEC-Q200 and Pulse Withstanding features

Legacy Substitute (Not For New Designs):

ERJ-8ENF3902V (Panasonic Electronic Components) – Automotive AEC-Q200 qualified but marked Not For New Designs

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Moisture Resistant	AEC-Q200	Product Status	Inventory (Pcs)
RC3216F393CS	Samsung Electro-Mechanics	39 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Yes	No	Active	938
CR1206-FX-3902ELF	Bourns Inc.	39 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Yes	No	Active	60463
RC1206FR-0739KL	YAGEO	39 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Yes	No	Active	60292
AC1206FR-0739KL	YAGEO	39 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Yes	Yes	Active	10928
CRCW120639K0FKEA	Vishay Dale	39 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	No	Yes	Active	24788
CRCW120639K0FKEAHP	Vishay Dale	39 kΩ	±1%	0.75	1206	±100ppm/°C	-55°C ~ 155°C	No	Yes	Active	1346
ERJ-8ENF3902V	Panasonic Electronic Components	39 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	No	Yes	Not For New Designs	67214

Engineering Selection Recommendations

For Direct Replacement (Non-Automotive Applications): CR1206-FX-3902ELF and RC1206FR-0739KL are functionally equivalent to the RC3216F393CS. Both maintain identical electrical specifications, package dimensions, and compliance certifications. Selection between these options depends on packaging format preference (Tape & Reel versus Cut Tape & Digi-Reel) and supplier inventory availability.

For Automotive Applications: AC1206FR-0739KL, CRCW120639K0FKEA, and CRCW120639K0FKEAHP are qualified to Automotive AEC-Q200 standard. AC1206FR-0739KL and CRCW120639K0FKEA maintain the 0.25W power rating and are direct upgrades for automotive designs. CRCW120639K0FKEAHP provides enhanced 0.75W power rating with pulse withstanding capability for applications requiring higher transient energy absorption.

For Legacy System Support: ERJ-8ENF3902V carries Automotive AEC-Q200 qualification and maintains full electrical compatibility. However, this part is marked "Not For New Designs" and should be used only for sustaining production or repair of existing systems where design continuity is required.

Compliance Considerations: All identified substitutes maintain ROHS3 compliance, MSL 1 rating, and REACH Unaffected status, ensuring regulatory alignment with the original RC3216F393CS specification.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-3902ELF be used as a direct replacement for RC3216F393CS?

A: Yes. CR1206-FX-3902ELF is a direct substitute. Both components share identical resistance (39 kΩ), tolerance (±1%), power rating (0.25W), package format (1206), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1). The primary difference is manufacturer (Bourns Inc. versus Samsung Electro-Mechanics) and packaging format (Tape & Reel versus standard packaging).

Q: What is the difference between AC1206FR-0739KL and RC1206FR-0739KL?

A: Both are YAGEO products with identical electrical specifications. AC1206FR-0739KL includes Automotive AEC-Q200 qualification, making it suitable for automotive applications. RC1206FR-0739KL is a general-purpose variant without automotive certification. Selection depends on application requirements.

Q: Can CRCW120639K0FKEAHP replace RC3216F393CS in all applications?

A: CRCW120639K0FKEAHP is electrically compatible but has a higher power rating (0.75W versus 0.25W). This upgrade is suitable for applications where additional power dissipation capability is beneficial or required. However, the higher power rating does not create incompatibility with circuits designed for 0.25W resistors.

Q: Why is ERJ-8ENF3902V marked "Not For New Designs"?

A: ERJ-8ENF3902V is a legacy product from Panasonic Electronic Components. While it maintains full electrical and mechanical compatibility with RC3216F393CS and carries Automotive AEC-Q200 qualification, the manufacturer has discontinued active development. This part should be used only for sustaining production of existing designs or repair applications where design continuity is critical.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the regulatory profile of the RC3216F393CS.

Q: What packaging formats are available for these substitutes?

A: CR1206-FX-3902ELF is supplied in Tape & Reel (TR) format. RC1206FR-0739KL is available in Cut Tape (CT) & Digi-Reel format. AC1206FR-0739KL, CRCW120639K0FKEA, CRCW120639K0FKEAHP, and ERJ-8ENF3902V are supplied in Tape & Reel (TR) format. Packaging selection should align with assembly process requirements and inventory management practices.

Q: Which substitute offers the best inventory availability?

A: ERJ-8ENF3902V has the highest inventory level (67,214 units), followed by CR1206-FX-3902ELF (60,463 units) and RC1206FR-0739KL (60,292 units). However, ERJ-8ENF3902V is marked "Not For New Designs." For active new designs, CR1206-FX-3902ELF and RC1206FR-0739KL offer strong availability with Active product status.

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