CD42FD473JO3 Equivalent & Substitute Parts

Part Overview

The CD42FD473JO3 is a 0.047 µF mica capacitor rated for 500 V operation in a radial through-hole configuration, manufactured by Cornell Dubilier Electronics (CDE). This component is classified as a general-purpose mica capacitor suitable for applications requiring stable capacitance and high voltage performance across extended temperature ranges. The part maintains Active product status and is currently available in inventory (711 pcs). Substitute parts are identified when electrical specifications, mechanical dimensions, and mounting characteristics remain identical or functionally equivalent, enabling direct replacement in circuit designs without performance degradation.

Substiute Parts

CD42FD473JO3

Cornell Dubilier Electronics (CDE)In Stock: 779CD42FD473JO3 Datasheet

Current PartRFQ

CD42FD473JO3F

Cornell Dubilier Electronics (CDE)In Stock: 1220CD42FD473JO3F Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CD42FD473JO3 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Capacitance value: 0.047 µF (exact match required)
• Tolerance: ±5% (identical specification)
• Voltage rating: 500 V (minimum acceptable rating)
• Dielectric material: Mica (determines frequency response and stability characteristics)
• Operating temperature range: -55°C to 125°C (thermal performance envelope)

Mechanical Equivalence Criteria:

• Mounting type: Through Hole (assembly process compatibility)
• Package configuration: Radial (lead orientation and PCB footprint)
• Lead spacing: 1.063" (27.00 mm) (PCB hole pattern alignment)
• Physical dimensions: 1.469" L × 0.449" W (37.30 mm × 11.40 mm) (board layout fit)
• Seated height: 0.909" (23.10 mm) maximum (clearance verification)

Series Designation:

• CD42 series classification (product family consistency)

Substitute parts must satisfy all electrical and mechanical criteria simultaneously. Variations in any single parameter disqualify a component from direct substitution status.

Parameter Comparison

Engineering Selection Recommendations

CD42FD473JO3 (Original Part):

• Suitable for applications where RoHS non-compliance is acceptable or not required by design specifications
• Appropriate for legacy system maintenance and repair where original part specifications must be preserved
• Current inventory availability: 711 units

CD42FD473JO3F (Substitute Part):

• Recommended for new designs requiring ROHS3 compliance certification
• Suitable for applications subject to REACH regulatory requirements where REACH Unaffected status is mandatory
• Provides identical electrical and mechanical performance with enhanced regulatory compliance
• Higher current inventory availability: 1134 units
• Direct pin-for-pin and footprint-compatible replacement

Both parts are manufactured by Cornell Dubilier Electronics within the CD42 series and maintain Active product status. Selection between these parts should be based on regulatory compliance requirements specific to the application and end-use market. Electrical performance and mechanical compatibility are functionally equivalent.

Frequently Asked Questions (FAQ)

Q: Can CD42FD473JO3F replace CD42FD473JO3 in existing circuit designs?

A: Yes. The CD42FD473JO3F is a direct electrical and mechanical equivalent. All critical parameters—capacitance (0.047 µF), tolerance (±5%), voltage rating (500 V), dielectric material (mica), operating temperature range (-55°C to 125°C), mounting type (through hole), package configuration (radial), lead spacing (1.063" / 27.00 mm), and physical dimensions—are identical. No circuit modifications or PCB layout changes are required.

Q: What is the difference between these two parts?

A: The primary differences are regulatory compliance certifications. CD42FD473JO3F carries ROHS3 compliance and REACH Unaffected status, while CD42FD473JO3 is RoHS non-compliant and REACH Affected. Electrical specifications and mechanical form factors are identical.

Q: Are there any compatibility concerns with PCB assembly?

A: No. Both parts share identical lead spacing (1.063" / 27.00 mm), radial package configuration, through-hole mounting type, and physical dimensions (1.469" L × 0.449" W / 37.30 mm × 11.40 mm). They are footprint-compatible and require no PCB design modifications.

Q: Which part should be selected for new product designs?

A: CD42FD473JO3F is recommended for new designs due to ROHS3 compliance and REACH Unaffected status, which align with current regulatory requirements in most markets. CD42FD473JO3 remains suitable for legacy system support where original specifications must be maintained.

Q: Is the operating temperature range identical?

A: Yes. Both parts operate across the identical temperature range of -55°C to 125°C, ensuring equivalent thermal performance in all operating conditions.

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

A: Yes. Both parts are rated for 500 V operation and maintain identical voltage specifications. They are fully interchangeable in high-voltage circuit applications.