RC3216F1621CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F1621CS is a 1.62 kOhms ±1% 0.25W (1/4W) chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently in active production status with 773 pieces available in inventory.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating, temperature coefficient) and mechanical compatibility (package type, physical dimensions, termination count). Substitutes enable design flexibility, supply chain alternatives, and application-specific feature selection while maintaining circuit performance.

Key Parameters

Parameter	Value
Resistance	1.62 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
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

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

Mandatory Matching Parameters:

Resistance value: 1.62 kOhms
Tolerance: ±1%
Package / Case: 1206 (3216 Metric)
Termination count: 2
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

Power Rating: 0.25W (1/4W) or higher
Physical dimensions: Minor variations within 1206 package specification
Packaging format: Tape & Reel (TR), Cut Tape (CT), or equivalent
Manufacturer: Any qualified supplier
Series designation: Varies by manufacturer

Substitution Categories:

Direct Equivalents – Identical electrical and mechanical specifications:

CR1206-FX-1621ELF (Bourns Inc.)
RC1206FR-071K62L (YAGEO)

Similar Parts with Enhanced Features – Match core specifications with additional certifications or capabilities:

CRCW12061K62FKEA (Vishay Dale) – Automotive AEC-Q200 rated
ERJ-8ENF1621V (Panasonic) – Automotive AEC-Q200 rated
RMCS1206FT1K62 (Stackpole Electronics) – Anti-Sulfur feature

Similar Parts with Increased Power Rating – Higher power capability in same package:

CRCW12061K62FKEAHP (Vishay Dale) – 0.75W (3/4W) rating with Pulse Withstanding capability

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Op. Temp Range	Size (mm)	Height Max (mm)	RoHS	MSL	Product Status
RC3216F1621CS	Samsung Electro-Mechanics	1.62 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	3.20 x 1.60	0.66	ROHS3	1	Active
CR1206-FX-1621ELF	Bourns Inc.	1.62 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	3.20 x 1.60	0.75	ROHS3	1	Active
RC1206FR-071K62L	YAGEO	1.62 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	3.10 x 1.60	0.65	ROHS3	1	Active
CRCW12061K62FKEA	Vishay Dale	1.62 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	3.20 x 1.60	0.60	ROHS3	1	Active
CRCW12061K62FKEAHP	Vishay Dale	1.62 kΩ	±1%	0.75W	1206	±100ppm/°C	-55~155°C	3.10 x 1.60	0.65	ROHS3	1	Active
ERJ-8ENF1621V	Panasonic Electronic Components	1.62 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	3.20 x 1.60	0.70	ROHS3	1	Not For New Designs
RMCS1206FT1K62	Stackpole Electronics Inc	1.62 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	3.10 x 1.55	0.65	ROHS3	1	Active

Engineering Selection Recommendations

For Standard Applications (General Purpose): Select CR1206-FX-1621ELF (Bourns Inc.) or RC1206FR-071K62L (YAGEO). Both are direct electrical equivalents with active product status, high inventory availability, and identical compliance certifications. These parts are suitable for non-automotive consumer and industrial applications.

For Automotive Applications: Select CRCW12061K62FKEA (Vishay Dale) or ERJ-8ENF1621V (Panasonic). Both carry AEC-Q200 automotive qualification. CRCW12061K62FKEA is preferred due to active product status. ERJ-8ENF1621V is marked "Not For New Designs" and should be used only for legacy design maintenance.

For High-Reliability or Pulse-Withstanding Applications: Select CRCW12061K62FKEAHP (Vishay Dale). This part provides 0.75W power rating with pulse withstanding capability while maintaining all core electrical specifications and AEC-Q200 certification. Use when circuit design requires enhanced transient protection.

For Harsh Environment Applications: Select RMCS1206FT1K62 (Stackpole Electronics Inc.). The anti-sulfur thick film composition provides enhanced resistance to corrosive atmospheres while maintaining all electrical and thermal specifications.

Inventory and Supply Chain Considerations:

Highest inventory: RC1206FR-071K62L (72,193 pcs)
Secondary availability: CRCW12061K62FKEA (29,371 pcs)
Adequate stock: CR1206-FX-1621ELF (24,943 pcs)

Frequently Asked Questions (FAQ)

Q: Can CRCW12061K62FKEAHP (0.75W) be used as a direct replacement for RC3216F1621CS (0.25W)?

A: Yes. The 0.75W part is electrically and mechanically compatible. Higher power rating provides additional thermal margin and is backward compatible with 0.25W circuit requirements. Physical dimensions remain within 1206 package specification. No circuit redesign is required.

Q: What is the difference between CR1206-FX-1621ELF and RC1206FR-071K62L?

A: Both are direct equivalents with identical electrical specifications (1.62 kΩ, ±1%, 0.25W, ±100ppm/°C). Differences are manufacturer-specific: Bourns (CR1206) versus YAGEO (RC1206). Physical dimensions vary slightly (height: 0.75mm vs 0.65mm), but both conform to 1206 package specification. Selection is based on supply availability and preferred supplier qualification.

Q: Why is ERJ-8ENF1621V marked "Not For New Designs"?

A: This designation indicates Panasonic has discontinued active development for this part number. While functionally equivalent and currently in stock (6,159 pcs), it should not be selected for new product designs. Use only for legacy system maintenance or repair. For new designs, select CR1206-FX-1621ELF, RC1206FR-071K62L, or CRCW12061K62FKEA.

Q: Are all substitute parts ROHS3 compliant and MSL 1 rated?

A: Yes. All listed substitute parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the original RC3216F1621CS specification. All parts are suitable for standard PCB assembly processes without special moisture control requirements.

Q: What is the significance of AEC-Q200 certification on CRCW12061K62FKEA and ERJ-8ENF1621V?

A: AEC-Q200 is the automotive electronics council qualification standard for passive components. Parts carrying this certification have undergone rigorous reliability testing for automotive applications including thermal cycling, vibration, and humidity resistance. Use AEC-Q200 rated parts for automotive, industrial control, and high-reliability applications. Standard industrial parts (CR1206-FX-1621ELF, RC1206FR-071K62L) are suitable for consumer and general industrial use.

Q: Can physical dimension variations (height, length) affect PCB assembly?

A: Variations within the 1206 package specification (height range 0.60mm to 0.75mm, length range 3.10mm to 3.20mm) are acceptable for standard PCB assembly equipment. All listed parts conform to IEC 60603-7 1206 package dimensions. No assembly process modification is required. Verify with your PCB assembly partner if using automated pick-and-place equipment with tight height tolerances.

Q: What does "Anti-Sulfur" feature on RMCS1206FT1K62 provide?

A: Anti-sulfur thick film composition resists degradation from hydrogen sulfide and other corrosive sulfur compounds in harsh industrial environments (chemical plants, refineries, coastal areas). Electrical performance remains identical to standard thick film resistors. Select this part only if application environment contains sulfur-bearing contaminants.

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