CD15FD271JO3F Equivalent & Substitute Parts

Part Overview

The CD15FD271JO3F is a 270 pF mica capacitor manufactured by Cornell Dubilier Electronics (CDE), rated for 500 V operation in radial through-hole configuration. This component is classified as Active product status and is designed for general-purpose applications requiring stable capacitance and high voltage performance. Mica dielectric capacitors are selected for applications demanding low loss, excellent frequency stability, and reliable performance across extended temperature ranges from -55°C to 125°C. Substitute parts are identified when original inventory becomes unavailable or when specific compliance requirements necessitate alternative sourcing.

Key Parameters

Parameter	Value	Significance for Substitution
Capacitance	270 pF	Critical - must match exactly for circuit function
Tolerance	±5%	Critical - determines acceptable capacitance range
Voltage Rating	500 V	Critical - minimum voltage requirement for safe operation
Dielectric Material	Mica	Critical - defines electrical characteristics and stability
Mounting Type	Through Hole	Critical - determines PCB assembly compatibility
Package / Case	Radial	Critical - physical form factor and lead configuration
Lead Spacing	0.232" (5.90mm)	Critical - PCB footprint compatibility
Operating Temperature Range	-55°C to 125°C	Important - application environment compatibility
Series	CD15	Important - product line consistency

Substitute Part Grouping Explanation

Substitute parts for the CD15FD271JO3F are identified based on strict electrical and mechanical parameter matching. The substitution logic requires equivalence in the following critical parameters:

Electrical Parameters:

Capacitance value: 270 pF (exact match required)
Tolerance: ±5% (defines acceptable deviation range)
Voltage rating: 500 V (minimum threshold for safe operation)
Dielectric material: Mica (determines performance characteristics)

Mechanical Parameters:

Mounting type: Through Hole (assembly process compatibility)
Package configuration: Radial (lead arrangement and orientation)
Lead spacing: 0.232" (5.90mm) (PCB footprint compatibility)
Physical dimensions: 0.469" L x 0.209" W, Height 0.390" max (spatial constraints)

Environmental Parameters:

Operating temperature range: -55°C to 125°C (application environment)

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes. Compliance certifications (RoHS, REACH, ECCN) are documented separately and do not affect electrical or mechanical substitution eligibility.

Parameter Comparison

Parameter	CD15FD271JO3F (Main Part)	CD15FD271JO3 (Substitute)	Match Status
Manufacturer	Cornell Dubilier Electronics (CDE)	Cornell Dubilier Electronics (CDE)	Identical
Series	CD15	CD15	Identical
Capacitance	270 pF	270 pF	Identical
Tolerance	±5%	±5%	Identical
Voltage Rating	500 V	500 V	Identical
Dielectric Material	Mica	Mica	Identical
Mounting Type	Through Hole	Through Hole	Identical
Package / Case	Radial	Radial	Identical
Lead Spacing	0.232" (5.90mm)	0.232" (5.90mm)	Identical
Size / Dimension	0.469" L x 0.209" W (11.90mm x 5.30mm)	0.469" L x 0.209" W (11.90mm x 5.30mm)	Identical
Height - Seated (Max)	0.390" (9.90mm)	0.390" (9.90mm)	Identical
Operating Temperature	-55°C to 125°C	-55°C to 125°C	Identical
Product Status	Active	Active	Identical
RoHS Status	ROHS3 Compliant	RoHS non-compliant	Different
REACH Status	REACH Unaffected	REACH Affected	Different
Inventory Status	1070 Pcs New Original In Stock	772 Pcs New Original In Stock	Both Available

Engineering Selection Recommendations

Primary Selection: CD15FD271JO3F

The CD15FD271JO3F is the recommended primary selection for new designs and applications where compliance certifications are required. This part carries ROHS3 compliance and REACH Unaffected status, meeting regulatory requirements for applications in regulated markets and industries with strict environmental compliance mandates.

Alternative Selection: CD15FD271JO3

The CD15FD271JO3 is a parametric equivalent substitute offering identical electrical and mechanical performance. This part is suitable for applications where RoHS3 compliance and REACH Unaffected status are not required. The CD15FD271JO3 maintains all critical electrical parameters, physical dimensions, and thermal operating characteristics necessary for direct circuit substitution.

Selection Criteria:

Regulatory Compliance Required: Select CD15FD271JO3F (ROHS3 Compliant, REACH Unaffected)
Legacy System Replacement: Either part is electrically and mechanically compatible
Inventory Availability: Both parts maintain active stock status; selection may be based on delivery requirements
Cost Optimization: CD15FD271JO3 may be selected when compliance certifications are not contractually mandated

Both parts are manufactured by Cornell Dubilier Electronics within the CD15 series and share identical electrical specifications, mechanical configurations, and thermal performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can CD15FD271JO3 be used as a direct replacement for CD15FD271JO3F?

A: CD15FD271JO3 is a parametric equivalent with identical capacitance (270 pF), tolerance (±5%), voltage rating (500 V), dielectric material (Mica), mounting type (Through Hole), package configuration (Radial), lead spacing (0.232"), and operating temperature range (-55°C to 125°C). Direct electrical and mechanical substitution is valid. However, compliance certifications differ: CD15FD271JO3F is ROHS3 Compliant and REACH Unaffected, while CD15FD271JO3 is RoHS non-compliant and REACH Affected. Selection depends on regulatory requirements for the application.

Q: What are the critical parameters that must match for substitution?

A: The following parameters must match exactly for valid substitution: Capacitance (270 pF), Tolerance (±5%), Voltage Rating (500 V), Dielectric Material (Mica), Mounting Type (Through Hole), Package/Case (Radial), and Lead Spacing (0.232" / 5.90mm). Operating temperature range (-55°C to 125°C) must also be compatible with application requirements.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both CD15FD271JO3F and CD15FD271JO3 share identical physical dimensions: 0.469" L x 0.209" W (11.90mm x 5.30mm) with maximum seated height of 0.390" (9.90mm). PCB footprints and mounting hole spacing are identical.

Q: What is the difference between these two parts?

A: The electrical and mechanical specifications are identical. The differences are in compliance certifications: CD15FD271JO3F is ROHS3 Compliant and REACH Unaffected, while CD15FD271JO3 is RoHS non-compliant and REACH Affected. Both parts are Active status and manufactured by Cornell Dubilier Electronics.

Q: Which part should be selected for new designs?

A: CD15FD271JO3F is recommended for new designs, particularly for applications subject to RoHS3 regulations or REACH compliance requirements. This part meets current environmental and regulatory standards applicable to electronic components in most regulated markets.

Q: Can these parts be used interchangeably in existing assemblies?

A: From an electrical and mechanical standpoint, yes. Both parts are parametric equivalents with identical performance characteristics. However, if the original assembly was designed with CD15FD271JO3F for compliance purposes, substitution with CD15FD271JO3 should be evaluated against applicable regulatory requirements for the end application.

Q: What is the lead spacing and how does it affect PCB compatibility?

A: Both parts have identical lead spacing of 0.232" (5.90mm). This dimension defines the distance between the two radial leads and determines PCB footprint compatibility. Any PCB designed for one part will accommodate the other without modification.

Q: Are both parts currently in stock?

A: Yes. CD15FD271JO3F has 1070 pieces in stock, and CD15FD271JO3 has 772 pieces in stock. Both are classified as New Original inventory.

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