AF0201FR-0739RL Equivalent & Substitute Parts

Part Overview

The AF0201FR-0739RL is a 39 Ohm ±1% thick film chip resistor in 0201 package (0603 metric) rated for 0.05W power dissipation. Manufactured by YAGEO under the AF series, this component features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for automotive and harsh environment applications. The part is currently active in production with 871 pieces in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct interchangeability in circuit designs.

Key Parameters

Parameter	Specification
Resistance Value	39 Ohms
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
Size / Dimension	0.024" L x 0.012" W (0.60mm x 0.30mm)
Height - Seated (Max)	0.010" (0.26mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the AF0201FR-0739RL are qualified based on the following criteria:

Resistance value: 39 Ohms
Tolerance: ±1%
Power rating: 0.05W (1/20W)
Package: 0201 (0603 Metric)
Composition: Thick Film
Temperature coefficient: ±200ppm/°C
Physical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm)
Height seated maximum: 0.010" (0.26mm)
RoHS3 compliance
MSL rating: 1 (Unlimited)

All identified substitutes meet these core electrical and mechanical parameters, ensuring functional equivalence in circuit applications. Variations in operating temperature range and specific feature sets (anti-sulfur coating, moisture resistance) are noted but do not affect primary substitution eligibility.

Parameter Comparison

Parameter	AF0201FR-0739RL (YAGEO)	AC0201FR-0739RL (YAGEO)	CRCW020139R0FNED (Vishay Dale)	ERJ-1GNF39R0C (Panasonic)
Manufacturer	YAGEO	YAGEO	Vishay Dale	Panasonic Electronic Components
Series	AF	AC	CRCW	ERJ-1GN
Resistance	39 Ohms	39 Ohms	39 Ohms	39 Ohms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	0.05W	0.05W	0.05W	0.05W
Package	0201 (0603 Metric)	0201 (0603 Metric)	0201 (0603 Metric)	0201 (0603 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±200ppm/°C	±200ppm/°C	±200ppm/°C	±200ppm/°C
Operating Temperature	-55°C ~ 125°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 125°C
Size / Dimension	0.024" L x 0.012" W (0.60mm x 0.30mm)	0.024" L x 0.012" W (0.60mm x 0.30mm)	0.024" L x 0.012" W (0.60mm x 0.30mm)	0.024" L x 0.012" W (0.60mm x 0.30mm)
Height - Seated (Max)	0.010" (0.26mm)	0.010" (0.26mm)	0.010" (0.26mm)	0.010" (0.26mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All four parts listed—AF0201FR-0739RL, AC0201FR-0739RL, CRCW020139R0FNED, and ERJ-1GNF39R0C—are active production components with ROHS3 compliance and MSL 1 rating. They share identical electrical specifications (39 Ohms, ±1% tolerance, 0.05W power rating) and mechanical dimensions (0201 package, 0.60mm x 0.30mm).

The AC0201FR-0739RL and CRCW020139R0FNED extend the operating temperature range to 155°C, compared to 125°C for the AF0201FR-0739RL and ERJ-1GNF39R0C. The AF0201FR-0739RL includes anti-sulfur coating, while the AC0201FR-0739RL features moisture-resistant thick film construction. Selection should be based on specific application requirements regarding temperature range and environmental protection needs. All parts are suitable for direct substitution where the specified operating temperature and environmental conditions are met.

Frequently Asked Questions (FAQ)

Q: Can AC0201FR-0739RL replace AF0201FR-0739RL in all applications?

A: AC0201FR-0739RL is electrically and mechanically equivalent to AF0201FR-0739RL. The primary difference is the extended operating temperature range (-55°C to 155°C versus -55°C to 125°C) and moisture-resistant coating versus anti-sulfur coating. Substitution is valid for applications within the -55°C to 125°C range. For applications requiring the extended upper temperature limit or specific anti-sulfur properties, application requirements must be evaluated.

Q: Are CRCW020139R0FNED and ERJ-1GNF39R0C interchangeable with AF0201FR-0739RL?

A: Yes. Both parts match the core electrical specifications (39 Ohms, ±1%, 0.05W) and mechanical dimensions (0201 package). CRCW020139R0FNED supports -55°C to 155°C operation, while ERJ-1GNF39R0C operates to 125°C. Both are ROHS3 compliant with MSL 1 rating. Substitution is valid based on matching operating temperature requirements.

Q: What is the significance of the 0201 package designation?

A: The 0201 package (0603 metric) specifies the physical dimensions: 0.024" length x 0.012" width (0.60mm x 0.30mm) with maximum seated height of 0.010" (0.26mm). All substitute parts share these identical dimensions, ensuring compatibility with PCB layouts and assembly processes designed for the AF0201FR-0739RL.

Q: Does tolerance rating affect substitution eligibility?

A: All listed parts carry ±1% tolerance, meeting the specification of the AF0201FR-0739RL. Tolerance is a primary substitution criterion. Parts with different tolerance ratings would not qualify as direct substitutes.

Q: What does ROHS3 compliance indicate?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead and other hazardous materials. All substitute parts carry ROHS3 compliance, confirming regulatory equivalence for applications requiring this certification.

Q: Is MSL 1 rating important for substitution?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture control requirements. All substitute parts carry MSL 1 rating, ensuring equivalent moisture handling and storage conditions. This is a standard substitution criterion for chip resistors.

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