WR02X1000FAL Equivalent & Substitute Parts

Part Overview

The WR02X1000FAL is a 100 Ohm ±1% thick film chip resistor manufactured by Walsin Technology Corporation, rated at 0.05W (1/20W) in the 0201 (0603 Metric) package. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit applications without performance degradation.

Key Parameters

Parameter	Value	Unit
Resistance	100	Ohms
Tolerance	±1%	-
Power Rating	0.05W (1/20W)	Watts
Package / Case	0201 (0603 Metric)	-
Composition	Thick Film	-
Temperature Coefficient	±200	ppm/°C
Operating Temperature Range	-55°C to 125°C	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution eligibility for the WR02X1000FAL is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

Resistance value: 100 Ohms
Tolerance: ±1%
Power rating: 0.05W (1/20W)
Temperature coefficient: ±200ppm/°C
Operating temperature range: -55°C to 125°C

Mechanical Specifications:

Package type: 0201 (0603 Metric)
Physical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm)
Number of terminations: 2

Compliance & Certification:

RoHS3 compliance
Moisture sensitivity level: 1 (Unlimited)
ECCN classification: EAR99

The substitute part CR0201-20W-1000FT meets all electrical and mechanical equivalence criteria. Packaging format differences (Cut Tape vs. Tape & Reel) do not affect functional compatibility and represent logistical variations only.

Parameter Comparison

Parameter	WR02X1000FAL (Walsin)	CR0201-20W-1000FT (Venkel)	Match Status
Resistance	100 Ohms	100 Ohms	Equivalent
Tolerance	±1%	±1%	Equivalent
Power Rating	0.05W (1/20W)	0.05W (1/20W)	Equivalent
Composition	Thick Film	Thick Film	Equivalent
Temperature Coefficient	±200ppm/°C	±200ppm/°C	Equivalent
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	Equivalent
Package / Case	0201 (0603 Metric)	0201 (0603 Metric)	Equivalent
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)	Equivalent
Height - Seated (Max)	0.010" (0.26mm)	0.012" (0.30mm)	Within Tolerance
Number of Terminations	2	2	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Equivalent
Product Status	Active	Active	Equivalent
Packaging Format	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Logistical Variation

Engineering Selection Recommendations

The CR0201-20W-1000FT manufactured by Venkel is a direct functional equivalent to the WR02X1000FAL. Both components are Active product status with identical electrical performance specifications, mechanical dimensions, and regulatory compliance certifications.

Compliance Alignment: Both parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols. ECCN classification (EAR99) is consistent across both components.

Physical Compatibility: The maximum seated height differential (0.010" vs. 0.012") falls within standard PCB assembly tolerances for 0201 package components and does not present mechanical interference concerns in typical circuit board layouts.

Packaging Consideration: The substitute part is supplied in Tape & Reel format versus the original Cut Tape & Digi-Reel packaging. This represents a supply chain and handling variation with no impact on component functionality or electrical performance.

Frequently Asked Questions (FAQ)

Q: Can CR0201-20W-1000FT replace WR02X1000FAL in existing designs?

A: Yes. Both components share identical electrical specifications (100 Ohms ±1%, 0.05W, ±200ppm/°C), mechanical dimensions (0201 package, 0.024" x 0.012"), and operating temperature range (-55°C to 125°C). Functional substitution is direct.

Q: Are there differences in physical height between these components?

A: The WR02X1000FAL has a maximum seated height of 0.010" (0.26mm), while the CR0201-20W-1000FT measures 0.012" (0.30mm). This 0.002" difference is within standard PCB assembly tolerances for 0201 components and does not affect board-level compatibility.

Q: What is the significance of the packaging format difference?

A: The original part is supplied in Cut Tape & Digi-Reel format, while the substitute is supplied in Tape & Reel format. This affects handling, storage, and automated placement processes but does not alter component electrical or mechanical properties.

Q: Do both parts meet the same compliance standards?

A: Yes. Both WR02X1000FAL and CR0201-20W-1000FT are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and EAR99 ECCN classification.

Q: Is the tolerance specification identical between both parts?

A: Yes. Both components are rated at ±1% tolerance with ±200ppm/°C temperature coefficient, ensuring equivalent precision in circuit applications.

Q: Can these parts be used interchangeably in high-reliability applications?

A: Both components are Active product status with identical electrical and mechanical specifications. Interchangeability is determined by application-specific requirements beyond component equivalence, such as supplier qualification or procurement specifications.

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