RC3216J105CS 1 MOhm ±5% 1/4W 1206 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC3216J105CS is a 1 MOhm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently active in production with 1049 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
Resistance	1 MOhms
Tolerance	±5%
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 of the RC3216J105CS is determined by the following critical parameters:

Electrical Equivalence: Resistance value (1 MOhm) and power rating (0.25W) must remain constant. Tolerance can be upgraded from ±5% to ±1% without functional impact, as tighter tolerance represents improved performance.

Mechanical Compatibility: Package type must be 1206 (3216 Metric) with identical termination count (2). Physical dimensions must accommodate the same PCB footprint.

Environmental Specifications: Operating temperature range (-55°C to 155°C) and temperature coefficient (±100ppm/°C) must be maintained. Moisture Sensitivity Level 1 is required for unlimited shelf life compatibility.

Compliance Requirements: ROHS3 compliance and MSL 1 rating are mandatory for direct substitution. All substitute parts must meet these regulatory standards.

Composition: Thick film construction is the baseline. Substitute parts may include enhanced features (moisture resistant, high voltage, automotive AEC-Q200, anti-sulfur) without affecting core electrical function.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Features	Temp Coeff	Op Temp Range	RoHS	MSL	Product Status
RC3216J105CS	Samsung Electro-Mechanics	1 MOhm	±5%	0.25	1206	Moisture Resistant	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
RC3216F105CS	Samsung Electro-Mechanics	1 MOhm	±1%	0.25	1206	Moisture Resistant	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
HVC1206T1004JET	Ohmite	1 MOhm	±5%	0.25	1206	High Voltage	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
RC1206JR-071ML	YAGEO	1 MOhm	±5%	0.25	1206	Moisture Resistant	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
RCV12061M00FKEA	Vishay Dale	1 MOhm	±1%	0.25	1206	High Voltage	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
RMCF1206FT1M00	Stackpole Electronics Inc	1 MOhm	±1%	0.25	1206	Automotive AEC-Q200	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
AC1206FR-071ML	YAGEO	1 MOhm	±1%	0.25	1206	Automotive AEC-Q200, Moisture Resistant	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
AF1206FR-071ML	YAGEO	1 MOhm	±1%	0.25	1206	Anti-Sulfur, Automotive AEC-Q200	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
CR1206-FX-1004ELF	Bourns Inc.	1 MOhm	±1%	0.25	1206	Moisture Resistant	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
CRG1206F1M0	TE Connectivity Passive Product	1 MOhm	±1%	0.25	1206	Standard	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
ERJ-8ENF1004V	Panasonic Electronic Components	1 MOhm	±1%	0.25	1206	Automotive AEC-Q200	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Not For New Designs

Engineering Selection Recommendations

Direct Equivalents (Same Tolerance ±5%):

RC1206JR-071ML (YAGEO) and HVC1206T1004JET (Ohmite) are direct functional equivalents with identical electrical specifications and 1206 package compatibility. Both are active products with ROHS3 compliance and MSL 1 rating. RC1206JR-071ML offers higher inventory availability (5200 units) compared to the main part. HVC1206T1004JET includes high voltage features with 2352 units in stock.

Upgraded Tolerance Options (±1%):

RC3216F105CS (Samsung Electro-Mechanics) provides tighter tolerance upgrade from the same manufacturer, maintaining moisture resistance and all environmental specifications. This part is recommended for applications requiring improved accuracy while preserving the original supplier relationship.

CR1206-FX-1004ELF (Bourns Inc.), CRG1206F1M0 (TE Connectivity), and RCV12061M00FKEA (Vishay Dale) offer ±1% tolerance with active product status and extensive inventory availability (148664, 461728, and 24714 units respectively). All maintain ROHS3 compliance and MSL 1 rating.

Automotive-Qualified Alternatives:

RMCF1206FT1M00 (Stackpole Electronics Inc), AC1206FR-071ML (YAGEO), AF1206FR-071ML (YAGEO), and ERJ-8ENF1004V (Panasonic) carry AEC-Q200 automotive qualification. RMCF1206FT1M00 has the highest inventory (150422 units) and is recommended for automotive applications. AC1206FR-071ML combines automotive qualification with moisture resistance. AF1206FR-071ML adds anti-sulfur protection for harsh environments. ERJ-8ENF1004V is marked "Not For New Designs" and should be avoided for new circuit development.

Selection Criteria:

Choose based on application requirements: standard industrial applications accept any listed active part; automotive applications require AEC-Q200 qualified parts; high-voltage circuits benefit from HVC or RCV series; moisture-critical environments favor moisture-resistant variants. Inventory availability and supplier preference should guide final selection among functionally equivalent options.

Frequently Asked Questions (FAQ)

Q: Can RC3216J105CS be replaced with a ±1% tolerance part?

A: Yes. Tolerance upgrade from ±5% to ±1% is a direct substitution. The tighter tolerance represents improved accuracy and is functionally compatible with any circuit designed for ±5% tolerance. All listed ±1% alternatives (RC3216F105CS, RMCF1206FT1M00, CR1206-FX-1004ELF, CRG1206F1M0, RCV12061M00FKEA, AC1206FR-071ML, AF1206FR-071ML, ERJ-8ENF1004V) are valid replacements.

Q: Are all substitute parts in 1206 package identical in physical dimensions?

A: All substitute parts use 1206 (3216 Metric) package with 2 terminations and fit the same PCB footprint. Minor height variations exist (0.022" to 0.030" seated height) but do not affect PCB assembly compatibility. Verify specific height constraints only if clearance is critical in your application.

Q: Which substitute part has the best inventory availability?

A: CRG1206F1M0 (TE Connectivity) has the highest inventory with 461728 units in stock. RMCF1206FT1M00 (Stackpole) follows with 150422 units. For immediate availability, these two options are preferred.

Q: Can I use HVC1206T1004JET in a standard circuit?

A: Yes. HVC1206T1004JET is a direct equivalent with identical electrical specifications (1 MOhm, ±5%, 0.25W). The "high voltage" feature indicates enhanced voltage rating capability but does not restrict use in standard applications. This part is suitable for any circuit using RC3216J105CS.

Q: What is the difference between moisture-resistant and standard variants?

A: Moisture-resistant variants (RC3216J105CS, RC1206JR-071ML, CR1206-FX-1004ELF, AC1206FR-071ML) include protective coating to reduce moisture absorption. All listed parts carry MSL 1 rating (unlimited shelf life), so moisture resistance is an enhancement rather than a requirement for substitution. Standard variants (CRG1206F1M0) are equally suitable for most applications.

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

A: No. AEC-Q200 qualification is not required for standard industrial or consumer applications. However, AEC-Q200 parts (RMCF1206FT1M00, AC1206FR-071ML, AF1206FR-071ML, ERJ-8ENF1004V) meet stringent reliability standards and can be used in any application without restriction. Selection should be based on application requirements and cost considerations.

Q: Why is ERJ-8ENF1004V marked "Not For New Designs"?

A: ERJ-8ENF1004V carries "Not For New Designs" status, indicating the manufacturer is phasing out this product line. While currently available (5100 units in stock), this part should not be selected for new circuit development. Use active alternatives such as RMCF1206FT1M00 or AC1206FR-071ML for new designs.

Q: Can I mix different manufacturers' parts in the same circuit?

A: Yes. All listed substitute parts meet identical electrical specifications (1 MOhm, ±5% or ±1%, 0.25W, 1206 package) and environmental ratings (ROHS3, MSL 1, -55°C to 155°C). Mixing manufacturers is acceptable from a functional standpoint. Verify procurement and supply chain policies with your organization.

Q: What is the temperature coefficient significance?

A: All listed parts share ±100ppm/°C temperature coefficient, ensuring consistent resistance change across the -55°C to 155°C operating range. This parameter is identical across all substitutes and does not affect selection.

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