227KBM025M Equivalent & Substitute Parts

Part Overview

The 227KBM025M is a 220 µF, 25 V aluminum electrolytic capacitor manufactured by Cornell Dubilier / Illinois Capacitor in the KBM series. This radial, through-hole component is rated for 7000 hours at 105°C and is designed for general-purpose applications requiring stable capacitance and low equivalent series resistance.

The part maintains Active product status and is fully RoHS3 compliant. Substitute parts are identified based on matching capacitance value, tolerance, physical dimensions, mounting type, and thermal performance characteristics. Alternative components may be required due to inventory availability, extended thermal ratings, or improved electrical performance specifications.

Key Parameters

Parameter	227KBM025M
Capacitance	220 µF
Tolerance	±20%
Voltage - Rated	25 V
ESR @ 120Hz	1.056 Ohm
Lifetime @ 105°C	7000 Hours
Operating Temperature Range	-40°C to 105°C
Ripple Current @ 120 Hz	320 mA
Ripple Current @ 100 kHz	640 mA
Impedance	130 mOhms
Lead Spacing	0.138" (3.50 mm)
Case Diameter	0.315" (8.00 mm)
Height - Seated (Max)	0.512" (13.00 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
RoHS Status	ROHS3 Compliant
Polarization	Polar

Substitute Part Grouping Explanation

Substitute parts for the 227KBM025M are classified into two categories based on electrical and mechanical compatibility:

Upgrade Substitutes (Higher Voltage Rating): Parts with 35 V rated voltage maintain identical capacitance (220 µF), tolerance (±20%), physical dimensions, lead spacing, and mounting configuration. These components operate within the same temperature range (-40°C to 105°C) and are suitable for direct replacement in applications where higher voltage margin is acceptable. Upgrade substitutes include 35YXJ220M8X11.5, 35YXJ220MCA8X11.5, and 35ZLH220MEFC8X11.5.

Parametric Equivalents (Same Voltage Rating): Parts with matching 25 V rated voltage provide direct electrical equivalence. These include 25YXF220MEFC8X11.5 and 25YXH220MEFC8X11.5, which maintain identical capacitance, tolerance, physical form factor, and thermal specifications.

Critical Substitution Parameters:

Capacitance: 220 µF (fixed)
Tolerance: ±20% (fixed)
Physical dimensions: 0.315" diameter × 0.512" height (fixed)
Lead spacing: 0.138" (3.50 mm) (fixed)
Mounting type: Through Hole, Radial Can (fixed)
Operating temperature: -40°C to 105°C (fixed)
Polarization: Polar (fixed)

Parameter Comparison

Parameter	227KBM025M	35YXJ220M8X11.5	35YXJ220MCA8X11.5	35ZLH220MEFC8X11.5	25YXF220MEFC8X11.5	25YXH220MEFC8X11.5
Manufacturer	Cornell Dubilier / Illinois Capacitor	Rubycon	Rubycon	Rubycon	Rubycon	Rubycon
Series	KBM	YXJ	YXJ	ZLH	YXF	YXH
Capacitance	220 µF	220 µF	220 µF	220 µF	220 µF	220 µF
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%
Voltage - Rated	25 V	35 V	35 V	35 V	25 V	25 V
Lifetime @ 105°C	7000 Hours	7000 Hours	7000 Hours	8000 Hours	7000 Hours	7000 Hours
Operating Temperature	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C
Ripple Current @ 120 Hz	320 mA	448 mA	448 mA	472.5 mA	280 mA	320 mA
Impedance	130 mOhms	130 mOhms	130 mOhms	56 mOhms	250 mOhms	130 mOhms
Lead Spacing	0.138" (3.50 mm)	0.138" (3.50 mm)	0.138" (3.50 mm)	0.138" (3.50 mm)	0.138" (3.50 mm)	0.138" (3.50 mm)
Case Diameter	0.315" (8.00 mm)	0.315" (8.00 mm)	0.315" (8.00 mm)	0.315" (8.00 mm)	0.315" (8.00 mm)	0.315" (8.00 mm)
Height - Seated (Max)	0.512" (13.00 mm)	0.512" (13.00 mm)	0.512" (13.00 mm)	0.512" (13.00 mm)	0.512" (13.00 mm)	0.512" (13.00 mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Not For New Designs	Last Time Buy

Engineering Selection Recommendations

For Active Product Status Applications:

The 35YXJ220M8X11.5 and 35YXJ220MCA8X11.5 (Rubycon YXJ series) are upgrade substitutes with 35 V rated voltage. Both maintain Active product status and provide identical physical form factors and thermal performance to the 227KBM025M. These parts are suitable for direct replacement where higher voltage margin is acceptable within circuit design constraints.

The 35ZLH220MEFC8X11.5 (Rubycon ZLH series) offers extended thermal life (8000 hours at 105°C versus 7000 hours) and improved impedance characteristics (56 mOhms versus 130 mOhms). This part maintains Active product status and is recommended for applications requiring enhanced reliability or lower ESR performance.

For Parametric Equivalence at 25 V Rating:

The 25YXH220MEFC8X11.5 (Rubycon YXH series) provides direct electrical equivalence with matching 25 V voltage rating and identical impedance (130 mOhms). However, this part carries Last Time Buy status, indicating limited future availability.

The 25YXF220MEFC8X11.5 (Rubycon YXF series) is marked Not For New Designs and should not be selected for new circuit implementations.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the regulatory profile of the 227KBM025M. All components are classified under ECCN EAR99 and HTSUS 8532.22.0020.

Frequently Asked Questions (FAQ)

Q: Can the 35 V rated substitutes (35YXJ220M8X11.5, 35YXJ220MCA8X11.5, 35ZLH220MEFC8X11.5) be used in place of the 227KBM025M?

A: Yes. These parts maintain identical capacitance (220 µF), tolerance (±20%), physical dimensions, lead spacing, and mounting configuration. The higher voltage rating (35 V versus 25 V) provides additional voltage margin and does not affect compatibility in circuits designed for 25 V operation.

Q: What is the difference between 35YXJ220M8X11.5 and 35YXJ220MCA8X11.5?

A: Both parts are Rubycon YXJ series capacitors with identical electrical specifications: 220 µF, 35 V, ±20% tolerance, 7000 hours at 105°C, and 130 mOhms impedance. Physical dimensions and mounting characteristics are identical. The parts are interchangeable.

Q: Why is 35ZLH220MEFC8X11.5 listed as a substitute if it has different impedance?

A: The 35ZLH220MEFC8X11.5 maintains all critical substitution parameters: 220 µF capacitance, ±20% tolerance, 35 V rating, identical physical form factor (0.315" diameter × 0.512" height), 3.50 mm lead spacing, and through-hole radial mounting. The lower impedance (56 mOhms versus 130 mOhms) and extended thermal life (8000 hours versus 7000 hours) represent performance improvements suitable for direct replacement.

Q: Should 25YXF220MEFC8X11.5 or 25YXH220MEFC8X11.5 be used for new designs?

A: The 25YXH220MEFC8X11.5 carries Last Time Buy status, indicating limited availability. The 25YXF220MEFC8X11.5 is marked Not For New Designs. For new circuit implementations, select from the Active status alternatives: 35YXJ220M8X11.5, 35YXJ220MCA8X11.5, or 35ZLH220MEFC8X11.5.

Q: Are all substitute parts through-hole radial components with identical lead spacing?

A: Yes. All substitute parts maintain through-hole mounting, radial can package configuration, and 0.138" (3.50 mm) lead spacing. Physical dimensions are standardized: 0.315" (8.00 mm) diameter and 0.512" (13.00 mm) maximum seated height. Direct PCB footprint compatibility is maintained.

Q: What is the operating temperature range for all listed parts?

A: All parts, including the 227KBM025M and all substitutes, operate across -40°C to 105°C. Thermal ratings at 105°C are specified as either 7000 hours or 8000 hours depending on the series.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the regulatory requirements of the 227KBM025M.

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