RC3216F1783CS Equivalent & Substitute Parts

Part Overview

The RC3216F1783CS is a 178 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film, moisture-resistant resistor operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently in active production status with 1,086 units in stock.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings are maintained across different manufacturers. Alternative sources ensure supply chain continuity and design flexibility while preserving circuit performance and reliability requirements.

Key Parameters

Parameter	Value
Resistance	178 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 Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

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

Electrical Specifications:

Resistance value: 178 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C

Mechanical Specifications:

Package type: 1206 (3216 Metric)
Number of terminations: 2
Physical dimensions compatible with 1206 footprint

Environmental & Compliance:

Composition: Thick Film
Moisture resistance: Required
RoHS3 compliance: Required
MSL rating: 1 (Unlimited)
REACH status: Unaffected

All identified substitute parts maintain these core parameters. Variations in physical height and exact dimensional tolerances remain within 1206 package specifications and do not affect circuit board assembly or electrical performance.

Parameter Comparison

Manufacturer	Part Number	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	Composition	RoHS3	MSL	Product Status
Samsung Electro-Mechanics	RC3216F1783CS	178 kOhms	±1%	0.25	±100	-55 ~ 155	1206	Thick Film	Yes	1	Active
Bourns Inc.	CR1206-FX-1783ELF	178 kOhms	±1%	0.25	±100	-55 ~ 155	1206	Thick Film	Yes	1	Active
YAGEO	RC1206FR-07178KL	178 kOhms	±1%	0.25	±100	-55 ~ 155	1206	Thick Film	Yes	1	Active
Vishay Dale	CRCW1206178KFKEA	178 kOhms	±1%	0.25	±100	-55 ~ 155	1206	Thick Film	Yes	1	Active
Panasonic Electronic Components	ERJ-8ENF1783V	178 kOhms	±1%	0.25	±100	-55 ~ 155	1206	Thick Film	Yes	1	Not For New Designs

Engineering Selection Recommendations

Direct Substitutes (Active Status):

CR1206-FX-1783ELF (Bourns Inc.) and RC1206FR-07178KL (YAGEO) are direct functional equivalents with active product status. Both maintain identical electrical specifications and 1206 package compliance. Selection between these and the primary part depends on supply availability and procurement lead times.

Automotive-Qualified Alternatives:

CRCW1206178KFKEA (Vishay Dale) provides automotive AEC-Q200 qualification in addition to standard specifications. This part is suitable for applications requiring automotive-grade reliability and is in active production status.

Legacy Status Consideration:

ERJ-8ENF1783V (Panasonic Electronic Components) carries "Not For New Designs" status despite meeting all electrical and mechanical parameters. This designation indicates the manufacturer is phasing out this product line. Use this part only for replacement or repair of existing assemblies where design continuity is required.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status, ensuring regulatory and environmental compatibility with the original RC3216F1783CS specification.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-1783ELF replace RC3216F1783CS in new designs?

A: Yes. CR1206-FX-1783ELF meets all electrical specifications (178 kOhms ±1%, 0.25W), operates across the same temperature range (-55°C to 155°C), and uses identical 1206 package dimensions. Both parts are in active production status.

Q: What is the difference between the Vishay Dale CRCW1206178KFKEA and other substitutes?

A: CRCW1206178KFKEA includes automotive AEC-Q200 qualification. All other electrical and mechanical parameters remain equivalent. Select this part for automotive applications or when AEC-Q200 certification is a design requirement.

Q: Why is ERJ-8ENF1783V marked "Not For New Designs"?

A: This designation indicates Panasonic is discontinuing this product line. The part remains functionally equivalent but should not be selected for new circuit designs. Use only for field replacement or repair of existing assemblies.

Q: Are there dimensional differences between substitute parts?

A: All parts conform to 1206 (3216 Metric) package specifications. Maximum seated heights vary slightly (0.024" to 0.030"), but these variations remain within standard 1206 tolerances and do not affect PCB assembly or circuit performance.

Q: Do all substitutes have the same moisture sensitivity rating?

A: Yes. All listed parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

Q: Which substitute has the highest inventory availability?

A: CR1206-FX-1783ELF (Bourns Inc.) has 25,971 units in stock, providing the largest available supply among all listed substitutes.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the environmental compliance of the original RC3216F1783CS.

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