AF0201FR-074K02L Equivalent & Substitute Parts

Part Overview

The AF0201FR-074K02L is a 4.02 kOhms ±1% thick film chip resistor in 0201 package (0.60mm x 0.30mm) rated at 0.05W (1/20W) power dissipation. This YAGEO AF series component features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in harsh environments. The part is currently active in production with 862 units in stock. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (0201 package), and compliance certifications (AEC-Q200, RoHS3, REACH).

Key Parameters

Parameter	Value
Resistance	4.02 kOhms
Tolerance	±1%
Power Rating	0.05W (1/20W)
Package / Case	0201 (0603 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

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

Resistance value: 4.02 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.05W / 1/20W (exact match required)
Package: 0201 (0603 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±200ppm/°C (exact match required)
RoHS3 compliance (mandatory for modern applications)
MSL rating: 1 (Unlimited) (exact match required)

All identified substitute parts meet these criteria. Variations in operating temperature range, packaging format (Tape & Reel vs. Cut Tape), and optional features (anti-sulfur, moisture resistant, automotive ratings) do not disqualify substitution but may influence selection based on application requirements.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff	Op. Temp Range	MSL	RoHS3	Packaging Format	Inventory
AF0201FR-074K02L	YAGEO	4.02 kΩ	±1%	0.05	0201	Thick Film	±200ppm/°C	-55°C ~ 125°C	1	Yes	Tape & Reel (TR)	862 Pcs
AC0201FR-074K02L	YAGEO	4.02 kΩ	±1%	0.05	0201	Thick Film	±200ppm/°C	-55°C ~ 155°C	1	Yes	Tape & Reel (TR)	18797 Pcs
RC0201FR-074K02L	YAGEO	4.02 kΩ	±1%	0.05	0201	Thick Film	±200ppm/°C	-55°C ~ 125°C	1	Yes	Cut Tape (CT) & Digi-Reel®	146738 Pcs
CRCW02014K02FNED	Vishay Dale	4.02 kΩ	±1%	0.05	0201	Thick Film	±200ppm/°C	-55°C ~ 155°C	1	Yes	Cut Tape (CT) & Digi-Reel®	20737 Pcs
ERJ-1GNF4021C	Panasonic Electronic Components	4.02 kΩ	±1%	0.05	0201	Thick Film	±200ppm/°C	-55°C ~ 125°C	1	Yes	Tape & Reel (TR)	76224 Pcs

Engineering Selection Recommendations

All substitute parts listed are electrically and mechanically equivalent to the AF0201FR-074K02L and meet RoHS3 compliance requirements. Selection among substitutes should be based on:

Availability and Lead Time: RC0201FR-074K02L (YAGEO) offers the highest inventory at 146,738 units. ERJ-1GNF4021C (Panasonic) provides 76,224 units. AC0201FR-074K02L (YAGEO) offers 18,797 units with extended operating temperature range to 155°C.

Operating Temperature Requirements: AC0201FR-074K02L and CRCW02014K02FNED both support -55°C to 155°C, providing 30°C additional headroom above the original AF0201FR-074K02L specification (-55°C to 125°C).

Packaging Format: Tape & Reel format is available from YAGEO (AF, AC series) and Panasonic (ERJ-1GNF). Cut Tape & Digi-Reel format is available from YAGEO (RC series) and Vishay Dale (CRCW series).

Manufacturer Continuity: YAGEO parts (AF, AC, RC series) maintain design continuity within the same manufacturer ecosystem. Cross-manufacturer substitution (Vishay Dale, Panasonic) is electrically valid but may require supply chain qualification.

Frequently Asked Questions (FAQ)

Q: Can I substitute AF0201FR-074K02L with any of these parts without circuit redesign?

A: Yes. All listed parts are electrically and mechanically equivalent. They share identical resistance (4.02 kΩ), tolerance (±1%), power rating (0.05W), package (0201), and temperature coefficient (±200ppm/°C). No circuit redesign is required.

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

A: Tape & Reel (TR) format is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape (CT) & Digi-Reel format provides the same components on cut tape segments with reel availability. Both formats contain identical components; packaging choice depends on assembly equipment and volume requirements.

Q: Does the extended temperature range of AC0201FR-074K02L and CRCW02014K02FNED affect compatibility?

A: No. Extended operating temperature range (-55°C to 155°C versus -55°C to 125°C) is a superset specification. Parts rated for higher temperature ranges are fully compatible in applications using the original temperature specification.

Q: Are all substitute parts AEC-Q200 qualified?

A: AC0201FR-074K02L carries explicit AEC-Q200 automotive qualification. RC0201FR-074K02L, CRCW02014K02FNED, and ERJ-1GNF4021C do not list AEC-Q200 in their specifications. For automotive applications requiring AEC-Q200 certification, AC0201FR-074K02L is the recommended substitute.

Q: What is MSL 1 (Unlimited) and why does it matter?

A: MSL (Moisture Sensitivity Level) 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed parts carry MSL 1 rating, ensuring consistent handling requirements across substitutes.

Q: Can I mix manufacturers in the same assembly?

A: Yes. All parts meet identical electrical and mechanical specifications and RoHS3 compliance. However, supply chain qualification and traceability documentation may require single-manufacturer sourcing per your quality procedures.

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