RC3216J1R0CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216J1R0CS is a 1 Ohm ±5% 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 moisture resistant characteristics and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, suitable for general industrial and commercial applications requiring precision current limiting, load balancing, and signal conditioning in compact form factors.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package size, termination count), and environmental operating parameters. Substitutes enable design flexibility, supply chain optimization, and access to alternative manufacturing sources while maintaining circuit performance.

Key Parameters

Parameter	Value	Unit
Resistance	1	Ohms
Tolerance	±5%	-
Power Rating	0.25W (1/4W)	Watts
Composition	Thick Film	-
Package / Case	1206 (3216 Metric)	-
Operating Temperature Range	-55°C to 155°C	°C
Temperature Coefficient	±300ppm/°C	ppm/°C
Moisture Sensitivity Level	1 (Unlimited)	-
RoHS Status	ROHS3 Compliant	-
Number of Terminations	2	-
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)	-
Height - Seated (Max)	0.026" (0.65mm)	-

Substitute Part Grouping Explanation

Substitution logic for the RC3216J1R0CS is based on the following critical parameters that must match or exceed the original specification:

Mandatory Matching Parameters:

Resistance Value: 1 Ohm (exact match required)
Power Rating: 0.25W minimum (1/4W)
Package / Case: 1206 (3216 Metric) form factor
Operating Temperature Range: -55°C to 155°C minimum
Number of Terminations: 2
Composition: Thick Film
RoHS Status: ROHS3 Compliant

Allowable Variation Parameters:

Tolerance: ±5% or tighter (±1% acceptable as upgrade)
Temperature Coefficient: ±300ppm/°C or better (lower values acceptable)
Height - Seated: Up to 0.028" (0.70mm) acceptable within PCB assembly constraints
Moisture Sensitivity Level: MSL 1 (Unlimited) required
Features: Additional features (Automotive AEC-Q200, Current Sense, High Voltage, Moisture Resistant) do not disqualify substitution

Substitute parts are grouped into two categories:

Direct Substitutes (Tolerance Match): Parts with ±5% tolerance matching the original specification exactly.

Upgrade Substitutes (Tighter Tolerance): Parts with ±1% tolerance providing improved accuracy while maintaining all other electrical and mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp (°C)	Package	Height Max (mm)	Features	RoHS
RC3216J1R0CS	Samsung Electro-Mechanics	1	±5%	0.25	±300	-55 to 155	1206	0.65	Moisture Resistant	ROHS3
RCG12061R00FKEA	Vishay Dale	1	±1%	0.25	±100	-55 to 155	1206	0.60	-	ROHS3
RCG12061R00JNEA	Vishay Dale	1	±5%	0.25	±200	-55 to 155	1206	0.60	-	ROHS3
RMCF1206FT1R00	Stackpole Electronics Inc	1	±1%	0.25	±200	-55 to 155	1206	0.70	Automotive AEC-Q200	ROHS3
RMCF1206JT1R00	Stackpole Electronics Inc	1	±5%	0.25	±200	-55 to 155	1206	0.70	Automotive AEC-Q200	ROHS3
ERJ-8RQF1R0V	Panasonic Electronic Components	1	±1%	0.25	±200	-55 to 155	1206	0.70	Automotive AEC-Q200, Current Sense	ROHS3
ERJ-8RQJ1R0V	Panasonic Electronic Components	1	±5%	0.25	±200	-55 to 155	1206	0.70	Automotive AEC-Q200, Current Sense	ROHS3
KTR18EZPF1R00	Rohm Semiconductor	1	±1%	0.25	±100	-55 to 155	1206	0.65	Automotive AEC-Q200, High Voltage	ROHS3
KTR18EZPJ1R0	Rohm Semiconductor	1	±5%	0.25	±200	-55 to 155	1206	0.65	Automotive AEC-Q200, High Voltage	ROHS3
RC1206FR-071RL	YAGEO	1	±1%	0.25	±200	-55 to 155	1206	0.65	Moisture Resistant	ROHS3
RC1206JR-071RL	YAGEO	1	±5%	0.25	±200	-55 to 155	1206	0.65	Moisture Resistant	ROHS3

Engineering Selection Recommendations

Direct Tolerance Match (±5%) Substitutes:

RCG12061R00JNEA (Vishay Dale) and RC1206JR-071RL (YAGEO) are direct functional equivalents with identical tolerance specification. Both maintain ±5% tolerance matching the original RC3216J1R0CS. RCG12061R00JNEA offers improved temperature coefficient (±200ppm/°C vs ±300ppm/°C) and compact height (0.60mm). RC1206JR-071RL provides moisture resistant characteristics aligned with the original design intent and maintains identical height (0.65mm). RMCF1206JT1R00 (Stackpole Electronics Inc) and ERJ-8RQJ1R0V (Panasonic Electronic Components) are ±5% tolerance substitutes with Automotive AEC-Q200 certification, suitable for applications requiring automotive-grade reliability. KTR18EZPJ1R0 (Rohm Semiconductor) combines ±5% tolerance with Automotive AEC-Q200 and High Voltage features.

Upgrade Tolerance (±1%) Substitutes:

RCG12061R00FKEA (Vishay Dale), RMCF1206FT1R00 (Stackpole Electronics Inc), ERJ-8RQF1R0V (Panasonic Electronic Components), KTR18EZPF1R00 (Rohm Semiconductor), and RC1206FR-071RL (YAGEO) provide tighter ±1% tolerance specification. These upgrades deliver improved accuracy for precision current sensing and load balancing applications. KTR18EZPF1R00 and RC1206FR-071RL maintain identical height (0.65mm) to the original part. RMCF1206FT1R00 and ERJ-8RQF1R0V include Automotive AEC-Q200 certification for automotive applications.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility. Parts designated with Automotive AEC-Q200 (RMCF series, ERJ-8R series, KTR series) are qualified for automotive applications requiring enhanced reliability and traceability. Selection between standard and automotive-grade substitutes depends on application requirements and supply chain strategy.

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-071RL replace RC3216J1R0CS directly in my circuit?

A: Yes. RC1206JR-071RL is a direct substitute with matching 1 Ohm ±5% specification, 0.25W power rating, 1206 package, and -55°C to 155°C operating range. Both parts are ROHS3 compliant with MSL 1 rating. The moisture resistant feature of RC1206JR-071RL aligns with the original design. Height difference (0.65mm vs 0.65mm) is identical, ensuring PCB assembly compatibility.

Q: What is the difference between ±5% and ±1% tolerance substitutes?

A: Tolerance specifies the maximum deviation from the nominal 1 Ohm resistance value. ±5% tolerance allows resistance between 0.95 Ohm and 1.05 Ohm. ±1% tolerance restricts resistance between 0.99 Ohm and 1.01 Ohm. ±1% substitutes provide superior accuracy for precision applications such as current sensing circuits, instrumentation, and high-accuracy load balancing. Standard ±5% parts are suitable for general-purpose current limiting and signal conditioning where tighter tolerance is not required.

Q: Are Automotive AEC-Q200 parts suitable for non-automotive applications?

A: Yes. Automotive AEC-Q200 certification indicates enhanced reliability, extended testing, and traceability requirements. These parts exceed standard industrial specifications and are fully compatible with non-automotive applications. Selection of AEC-Q200 parts (RMCF1206JT1R00, ERJ-8RQJ1R0V, KTR18EZPJ1R0) is optional and depends on application reliability requirements and supply chain preferences.

Q: What does Temperature Coefficient ±300ppm/°C mean?

A: Temperature coefficient specifies resistance change per degree Celsius within the operating range. ±300ppm/°C indicates the resistance value changes by up to 300 parts per million per °C. At 100°C temperature change, maximum resistance deviation is 3% (300ppm × 100°C = 30,000ppm = 3%). Lower temperature coefficients (±100ppm/°C, ±200ppm/°C) indicate better stability across temperature extremes. Selection depends on circuit sensitivity to resistance variation over temperature.

Q: Can I use a 0.028" (0.70mm) height part in place of 0.026" (0.65mm) height original?

A: Height compatibility depends on PCB assembly constraints and solder reflow profile. Parts with 0.028" maximum seated height (RMCF1206JT1R00, ERJ-8RQJ1R0V) are slightly taller than the original 0.026" specification. Verify clearance with PCB layout, component placement density, and conformal coating requirements. For space-constrained designs, select substitutes with matching or lower height (RCG12061R00JNEA at 0.60mm, or RC1206JR-071RL at 0.65mm).

Q: What is MSL 1 (Unlimited) moisture sensitivity?

A: Moisture Sensitivity Level (MSL) 1 indicates unlimited shelf life without moisture control requirements. The component does not require dry-pack storage or baking before soldering. MSL 1 parts are suitable for standard warehouse storage and handling. All listed substitutes maintain MSL 1 rating, ensuring compatibility with existing supply chain and assembly processes.

Q: Which substitute offers the best overall performance?

A: Selection depends on application requirements. For precision current sensing with automotive qualification: ERJ-8RQF1R0V (±1% tolerance, AEC-Q200, Current Sense feature). For high-voltage automotive applications: KTR18EZPF1R00 (±1% tolerance, AEC-Q200, High Voltage feature). For general industrial use with improved accuracy: RC1206FR-071RL (±1% tolerance, Moisture Resistant). For direct cost-effective replacement: RC1206JR-071RL (±5% tolerance, Moisture Resistant, high inventory availability).

Q: Are all substitute parts available in Tape & Reel packaging?

A: Most substitutes are available in Tape & Reel (TR) packaging. RC1206FR-071RL is available in Cut Tape (CT) & Digi-Reel® packaging. Verify packaging format with supplier specifications based on assembly equipment requirements and order quantities. Tape & Reel packaging is standard for automated pick-and-place assembly.

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