365 Ohm 1% 1/2W 1210 Chip Resistor Equivalent & Substitute Parts

Part Overview

The ERJ-S14F3650U is a 365 Ohm ±1% 0.5W thick film chip resistor in 1210 (3225 Metric) package manufactured by Panasonic Electronic Components. This component is rated for automotive applications under AEC-Q200 and features anti-sulfur construction. The part is currently in active production status with 1002 units in stock.

Substitute parts become necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility permits component sourcing from alternative manufacturers while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	365 Ohms
Tolerance	±1%
Power Rating	0.5W (1/2W)
Package	1210 (3225 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S14F3650U is determined by strict equivalence across the following parameters:

Resistance value: 365 Ohms
Tolerance: ±1%
Power rating: 0.5W (1/2W)
Package type: 1210 (3225 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
Automotive qualification: AEC-Q200
RoHS compliance: ROHS3 Compliant
Moisture sensitivity: MSL 1

All substitute parts listed meet these criteria. Variations in product status, packaging format (Tape & Reel vs. Cut Tape), and maximum seated height do not affect functional interchangeability in circuit applications.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Operating Temp	AEC-Q200	RoHS3	Product Status	Packaging Type	Height (Max)
ERJ-S14F3650U	Panasonic	365 Ω	±1%	0.5W	1210	±100ppm/°C	-55°C ~ 155°C	Yes	Yes	Active	Tape & Reel	0.028"
ERJ-14NF3650U	Panasonic	365 Ω	±1%	0.5W	1210	±100ppm/°C	-55°C ~ 155°C	Yes	Yes	Not For New Designs	Tape & Reel	0.028"
CRCW1210365RFKEA	Vishay Dale	365 Ω	±1%	0.5W	1210	±100ppm/°C	-55°C ~ 155°C	Yes	Yes	Active	Tape & Reel	0.024"
RMCF1210FT365R	Stackpole Electronics	365 Ω	±1%	0.5W	1210	±100ppm/°C	-55°C ~ 155°C	Yes	Yes	Active	Cut Tape	0.028"

Engineering Selection Recommendations

Primary Selection: ERJ-S14F3650U remains the preferred choice as the original specification part with active product status and anti-sulfur construction.

Active Alternatives: CRCW1210365RFKEA (Vishay Dale) and RMCF1210FT365R (Stackpole Electronics) are both active products suitable for new designs. Both maintain full AEC-Q200 automotive qualification and ROHS3 compliance. CRCW1210365RFKEA offers a lower maximum seated height (0.024" vs. 0.028"), which may provide advantages in space-constrained PCB layouts. RMCF1210FT365R is available in Cut Tape packaging, offering flexibility for lower-volume applications.

Legacy Alternative: ERJ-14NF3650U (Panasonic) is marked "Not For New Designs" and should be used only when existing inventory must be consumed or when retrofitting legacy assemblies.

All substitute parts carry identical electrical specifications and automotive certifications, ensuring direct functional equivalence in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can CRCW1210365RFKEA replace ERJ-S14F3650U in automotive applications?

A: Yes. Both parts meet AEC-Q200 automotive qualification, operate across -55°C to 155°C, and share identical electrical parameters (365 Ω ±1%, 0.5W, ±100ppm/°C). The lower seated height of CRCW1210365RFKEA (0.024" vs. 0.028") does not affect electrical performance and may benefit PCB assembly clearance.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel packaging is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape packaging is supplied in smaller quantities on individual tape segments, typically used for lower-volume or manual assembly operations. Electrical and mechanical specifications remain identical.

Q: Why is ERJ-14NF3650U marked "Not For New Designs"?

A: This designation indicates the part is in mature or declining production phase. While functionally equivalent and currently in stock (6811 units), Panasonic recommends using ERJ-S14F3650U for new designs. ERJ-14NF3650U remains suitable for legacy system maintenance or inventory consumption.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed parts carry ROHS3 Compliant status and are REACH Unaffected, meeting current environmental and regulatory requirements for automotive and industrial applications.

Q: Does the anti-sulfur feature of ERJ-S14F3650U affect substitution compatibility?

A: The anti-sulfur construction of ERJ-S14F3650U is a manufacturing enhancement that does not establish a substitution requirement. Substitute parts without explicit anti-sulfur designation remain electrically and mechanically compatible. If anti-sulfur performance is a design requirement, ERJ-S14F3650U should be specified as the primary part.

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