RC3216F1581CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F1581CS is a 1.58 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 706 units in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Value	Specification Type
Resistance	1.58 kOhms	Electrical
Tolerance	±1%	Electrical
Power Rating	0.25W (1/4W)	Electrical
Package / Case	1206 (3216 Metric)	Mechanical
Composition	Thick Film	Material
Temperature Coefficient	±100ppm/°C	Electrical
Operating Temperature Range	-55°C ~ 155°C	Environmental
Moisture Sensitivity Level	1 (Unlimited)	Environmental
RoHS Status	ROHS3 Compliant	Compliance

Substitute Part Grouping Explanation

Substitute parts for the RC3216F1581CS are classified into two categories based on parameter alignment:

Direct Substitutes maintain identical electrical specifications (1.58 kOhms, ±1%, 0.25W), mechanical package (1206), composition (thick film), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1). These parts are interchangeable without circuit redesign.

Similar Substitutes match all critical electrical and mechanical parameters but include additional features such as automotive AEC-Q200 qualification. These parts provide enhanced reliability for specific application environments while maintaining functional equivalence.

Substitution eligibility is determined by:

Resistance value: 1.58 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.25W minimum (exact match required)
Package: 1206 (3216 Metric) (exact match required)
Temperature range: -55°C to 155°C minimum (exact match required)
Composition: Thick film (exact match required)

Parameter Comparison

Manufacturer	Part Number	Resistance	Tolerance	Power	Package	Temp Coeff	Temp Range	Features	Product Status	Inventory
Samsung Electro-Mechanics	RC3216F1581CS	1.58 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	706 Pcs
Bourns Inc.	CR1206-FX-1581ELF	1.58 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	24614 Pcs
YAGEO	RC1206FR-071K58L	1.58 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	6370 Pcs
Vishay Dale	CRCW12061K58FKEA	1.58 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	17620 Pcs
Panasonic Electronic Components	ERJ-8ENF1581V	1.58 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Not For New Designs	41492 Pcs

Engineering Selection Recommendations

For Active Production Applications: CR1206-FX-1581ELF (Bourns Inc.) and RC1206FR-071K58L (YAGEO) are recommended as primary substitutes. Both maintain active product status with full ROHS3 compliance and MSL 1 rating. Bourns CR1206-FX-1581ELF offers the highest inventory availability (24614 units), supporting supply chain continuity.

For Automotive Applications: CRCW12061K58FKEA (Vishay Dale) is specified for designs requiring AEC-Q200 automotive qualification. This part maintains all electrical and mechanical equivalence while providing enhanced reliability documentation for automotive environments.

For Legacy or Discontinued Designs: ERJ-8ENF1581V (Panasonic Electronic Components) carries "Not For New Designs" status and should be avoided in new product development. Existing designs using this part should transition to active alternatives during next revision cycle.

Compliance Verification: All substitute parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 moisture sensitivity rating. No additional environmental qualification is required for standard industrial applications.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-1581ELF directly replace RC3216F1581CS without circuit modification?

A: Yes. Both parts share identical electrical specifications (1.58 kOhms ±1%, 0.25W), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and 1206 package dimensions. Direct substitution is supported without circuit redesign.

Q: What is the difference between moisture-resistant and automotive AEC-Q200 variants?

A: Moisture-resistant variants (CR1206-FX-1581ELF, RC1206FR-071K58L) meet standard industrial environmental requirements with MSL 1 rating. Automotive AEC-Q200 variants (CRCW12061K58FKEA, ERJ-8ENF1581V) include additional qualification testing and reliability documentation for automotive applications. Both meet the same electrical and mechanical specifications.

Q: Are there physical dimension differences between substitute parts?

A: All parts conform to 1206 (3216 Metric) package standard. Minor variations exist in maximum seated height: RC3216F1581CS (0.66mm), CR1206-FX-1581ELF (0.75mm), RC1206FR-071K58L (0.65mm), CRCW12061K58FKEA (0.60mm), ERJ-8ENF1581V (0.70mm). These variations remain within standard PCB assembly tolerances and do not affect functional compatibility.

Q: Should ERJ-8ENF1581V be used in new designs?

A: No. ERJ-8ENF1581V carries "Not For New Designs" status from Panasonic. Use CR1206-FX-1581ELF, RC1206FR-071K58L, or CRCW12061K58FKEA for new product development.

Q: What packaging formats are available for these substitutes?

A: All substitute parts are supplied in Tape & Reel (TR) format, supporting automated assembly processes. The main part RC3216F1581CS is available in standard packaging configuration.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the environmental certification of RC3216F1581CS.

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