M22R473K5-F Equivalent & Substitute Parts Reference

Part Overview

The M22R473K5-F is a 0.047 µF ±10% 50V ceramic capacitor with X7R temperature coefficient manufactured by Cornell Dubilier Electronics (CDE) in radial through-hole configuration. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing production and maintenance applications. The part maintains ROHS3 compliance and operates across the -55°C to 125°C temperature range, suitable for general-purpose filtering and coupling applications in electronic circuits.

Key Parameters

Parameter	Value	Specification Basis
Capacitance	0.047 µF	Primary electrical characteristic
Tolerance	±10%	Acceptable value deviation
Voltage Rating	50V	Maximum operating voltage
Temperature Coefficient	X7R	Capacitance stability across temperature range
Operating Temperature Range	-55°C to 125°C	Environmental operating limits
Mounting Type	Through Hole	PCB assembly method
Package Type	Radial	Lead configuration
Lead Spacing	0.200" (5.08mm) nominal	PCB footprint compatibility
RoHS Status	ROHS3 Compliant	Environmental regulation compliance

Substitute Part Grouping Explanation

Substitution validity for the M22R473K5-F is determined by strict equivalence across the following parameters:

Mandatory Matching Parameters:

Capacitance: 0.047 µF (exact match required)
Tolerance: ±10% (exact match required)
Voltage Rating: 50V (exact match required)
Temperature Coefficient: X7R (exact match required)
Operating Temperature Range: -55°C to 125°C (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial (exact match required)
Lead Spacing: 0.197" to 0.200" (5.00mm to 5.08mm, functionally equivalent)

Acceptable Variation Parameters:

Physical dimensions (length, width, height): Variation permitted provided lead spacing remains compatible with PCB footprint
Lead style: Straight, formed, or kinked leads acceptable
Packaging format: Bulk or cut tape formats interchangeable for component selection

All substitute parts listed meet these criteria and are sourced from active manufacturers with current production status or documented active inventory.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Temp Range	Lead Spacing	Product Status	Inventory
M22R473K5-F	Cornell Dubilier Electronics	0.047 µF	±10%	50V	X7R	-55°C ~ 125°C	0.200" (5.08mm)	Obsolete	916 Pcs
C322C473K5R5TA	KEMET	0.047 µF	±10%	50V	X7R	-55°C ~ 125°C	0.200" (5.08mm)	Active	6079 Pcs
FK28X7R1H473KN000	TDK Corporation	0.047 µF	±10%	50V	X7R	-55°C ~ 125°C	0.197" (5.00mm)	Not For New Designs	1386 Pcs
K473K10X7RF53H5	Vishay Beyschlag/Draloric/BC Components	0.047 µF	±10%	50V	X7R	-55°C ~ 125°C	0.197" (5.00mm)	Active	888 Pcs
K473K10X7RF5UH5	Vishay Beyschlag/Draloric/BC Components	0.047 µF	±10%	50V	X7R	-55°C ~ 125°C	0.197" (5.00mm)	Active	17658 Pcs
K473K10X7RF5WH5	Vishay Beyschlag/Draloric/BC Components	0.047 µF	±10%	50V	X7R	-55°C ~ 125°C	0.197" (5.00mm)	Active	641 Pcs
K473K15X7RF53H5	Vishay Beyschlag/Draloric/BC Components	0.047 µF	±10%	50V	X7R	-55°C ~ 125°C	0.197" (5.00mm)	Active	10400 Pcs
K473K15X7RF5BH5	Vishay Beyschlag/Draloric/BC Components	0.047 µF	±10%	50V	X7R	-55°C ~ 125°C	0.197" (5.00mm)	Active	702 Pcs
K473K15X7RF5TH5	Vishay Beyschlag/Draloric/BC Components	0.047 µF	±10%	50V	X7R	-55°C ~ 125°C	0.197" (5.00mm)	Active	17090 Pcs
RDER71H473K0K1H03B	Murata Electronics	0.047 µF	±10%	50V	X7R	-55°C ~ 125°C	0.197" (5.00mm)	Active	1323 Pcs
RDER71H473K0M1H03A	Murata Electronics	0.047 µF	±10%	50V	X7R	-55°C ~ 125°C	0.197" (5.00mm)	Active	1966 Pcs

Engineering Selection Recommendations

Primary Recommendation: C322C473K5R5TA (KEMET)

The C322C473K5R5TA represents the optimal substitute for the obsolete M22R473K5-F. This part maintains identical electrical specifications (0.047 µF, ±10%, 50V, X7R, -55°C to 125°C) with active production status and highest available inventory (6079 units). ROHS3 compliance and REACH unaffected status ensure regulatory alignment. The 0.200" lead spacing matches the original specification exactly, eliminating PCB footprint redesign requirements.

Secondary Recommendations: Vishay Mono-Kap™ K Series

The K473K15X7RF5TH5 and K473K15X7RF53H5 provide functionally equivalent alternatives with active status and substantial inventory availability (17090 and 10400 units respectively). These parts feature identical electrical parameters with 0.197" lead spacing, compatible with standard 0.200" PCB footprints. The K473K10X7RF5UH5 offers the highest inventory level (17658 units) among Vishay options with equivalent specifications.

Tertiary Recommendation: Murata RDE Series

The RDER71H473K0K1H03B and RDER71H473K0M1H03A maintain full electrical equivalence with active production status. These parts feature kinked formed leads and 0.197" lead spacing, suitable for applications where compact board-level integration is required.

Not Recommended for New Designs: FK28X7R1H473KN000 (TDK)

While electrically equivalent, the FK28X7R1H473KN000 carries "Not For New Designs" status, limiting its suitability for ongoing production applications despite adequate inventory availability.

Frequently Asked Questions (FAQ)

Q: Can the M22R473K5-F be directly replaced with any of the listed substitutes?

A: Yes. All listed substitute parts meet the mandatory electrical and mechanical parameters: 0.047 µF capacitance, ±10% tolerance, 50V rating, X7R temperature coefficient, -55°C to 125°C operating range, through-hole radial mounting, and compatible lead spacing (0.197" to 0.200"). Direct PCB footprint compatibility is maintained.

Q: What is the difference between 0.197" and 0.200" lead spacing?

A: Both spacing values are functionally equivalent for standard PCB footprints designed for 0.200" (5.08mm) lead spacing. The 0.197" (5.00mm) spacing represents a minor dimensional variation that does not affect insertion into standard component holes or solder pad patterns.

Q: Why is the M22R473K5-F classified as obsolete?

A: Obsolete status indicates that Cornell Dubilier Electronics has discontinued production of this part number. Active equivalent parts from current manufacturers (KEMET, Vishay, Murata, TDK) provide identical functionality with ongoing production support and supply chain availability.

Q: Which substitute offers the best inventory availability?

A: The K473K10X7RF5UH5 (Vishay) provides the highest inventory level at 17658 units in cut tape packaging. The K473K15X7RF5TH5 (Vishay) offers 17090 units, and the C322C473K5R5TA (KEMET) provides 6079 units. Selection should balance availability with packaging format requirements (bulk versus cut tape).

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, meeting environmental and regulatory requirements equivalent to the original M22R473K5-F specification.

Q: What is the significance of "Active" versus "Not For New Designs" product status?

A: Active status indicates current production with ongoing manufacturer support and supply chain availability. "Not For New Designs" status signals that while parts may be available from existing inventory, manufacturers do not recommend their use in new product development. For new designs, selection should prioritize parts with Active status.

Q: Do packaging format differences (bulk versus cut tape) affect electrical performance?

A: No. Packaging format (bulk or cut tape) affects only supply chain logistics and assembly line integration. Electrical and mechanical specifications remain identical regardless of packaging format. Selection should be based on manufacturing process requirements and inventory management practices.

Q: Can the lead style variation (straight, formed, or kinked) affect circuit performance?

A: No. Lead style variations (straight leads, formed leads, or kinked formed leads) do not affect electrical performance. Selection should be based on PCB assembly equipment compatibility and board-level space constraints. All lead styles provide equivalent electrical connection and performance characteristics.

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