SLP221M315C3P3 Equivalent & Substitute Parts

Part Overview

The SLP221M315C3P3 is a 220 µF, 315 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in a radial, can snap-in package. This component is rated for general-purpose applications with an operating temperature range of -25°C to 105°C and a lifetime specification of 3000 hours at 105°C. The part is Active status and RoHS3 compliant.

Substitute parts are identified when equivalent capacitance, tolerance, package type, and mounting configuration are maintained while voltage rating, ESR characteristics, or lifetime specifications may be upgraded to meet enhanced system requirements or improve component availability.

Key Parameters

Parameter	Value	Unit
Capacitance	220	µF
Voltage - Rated	315	V
Tolerance	±20%	-
Package / Case	Radial, Can - Snap-In	-
Mounting Type	Through Hole	-
Lead Spacing	0.394" (10.00 mm)	-
Size / Dimension	0.984" Dia (25.00 mm)	-
Height - Seated (Max)	1.260" (32.00 mm)	-
Operating Temperature	-25°C ~ 105°C	-
Lifetime @ Temp.	3000	Hrs @ 105°C
Polarization	Polar	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the SLP221M315C3P3 are grouped based on the following substitution criteria:

Primary Compatibility Parameters (Must Match):

Capacitance: 220 µF
Tolerance: ±20%
Package / Case: Radial, Can - Snap-In
Mounting Type: Through Hole
Lead Spacing: 0.394" (10.00 mm)
Operating Temperature Range: -25°C ~ 105°C
Polarization: Polar

Allowable Upgrade Parameters:

Voltage - Rated: Equal to or greater than 315 V
Lifetime @ Temp.: Equal to or greater than 3000 Hrs @ 105°C
Physical dimensions: Within tolerance of original specifications

All identified substitute parts maintain the core electrical and mechanical characteristics of the SLP221M315C3P3 while offering enhanced voltage ratings (350 V or 400 V) or extended lifetime specifications (5000 Hrs @ 105°C). These upgrades provide improved system margin and component reliability without requiring circuit redesign.

Parameter Comparison

Parameter	SLP221M315C3P3 (CDE)	400VXH220MEFCSN25X30 (Rubycon)	400MXK220MEFCSN25X30 (Rubycon)	EKMS401VSN221MQ30S (Chemi-Con)	LGN2V221MELA30 (Nichicon)	LQS2V221MELA30 (Nichicon)
Capacitance	220 µF	220 µF	220 µF	220 µF	220 µF	220 µF
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%
Voltage - Rated	315 V	400 V	400 V	400 V	350 V	350 V
Lifetime @ Temp.	3000 Hrs @ 105°C	5000 Hrs @ 105°C	3000 Hrs @ 105°C	3000 Hrs @ 105°C	3000 Hrs @ 105°C	3000 Hrs @ 105°C
Operating Temperature	-25°C ~ 105°C	-25°C ~ 105°C	-25°C ~ 105°C	-25°C ~ 105°C	-25°C ~ 105°C	-25°C ~ 105°C
Package / Case	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Lead Spacing	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)
Size / Dimension	0.984" Dia (25.00 mm)	0.984" Dia (25.00 mm)	0.984" Dia (25.00 mm)	1.000" Dia (25.40 mm)	0.984" Dia (25.00 mm)	0.984" Dia (25.00 mm)
Height - Seated (Max)	1.260" (32.00 mm)	1.260" (32.00 mm)	1.260" (32.00 mm)	1.280" (32.50 mm)	1.260" (32.00 mm)	1.260" (32.00 mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Primary Substitute (Highest Specification Match): The 400VXH220MEFCSN25X30 (Rubycon VXH series) is the preferred substitute. This part maintains identical mechanical dimensions and lead spacing while providing a 400 V voltage rating and extended 5000-hour lifetime at 105°C. The part is Active status, RoHS3 compliant, and REACH unaffected. Inventory availability is 16,377 units.

Secondary Substitutes (Equivalent Voltage Upgrade): The 400MXK220MEFCSN25X30 (Rubycon MXK series) and EKMS401VSN221MQ30S (Chemi-Con KMS series) both provide 400 V ratings with 3000-hour lifetimes. Both are Active status and fully compliant. The EKMS401VSN221MQ30S exhibits minor dimensional variation (1.000" diameter, 1.280" height) within acceptable tolerance.

Tertiary Substitutes (Moderate Voltage Upgrade): The LGN2V221MELA30 and LQS2V221MELA30 (Nichicon LGN and LQS series) provide 350 V ratings with 3000-hour lifetimes. Both maintain identical mechanical specifications and are Active status with full compliance. These parts offer a lower voltage upgrade path while maintaining cost efficiency.

All substitute parts are Active status products with RoHS3 compliance and REACH unaffected designation, suitable for direct component selection in applications requiring the SLP221M315C3P3 specification.

Frequently Asked Questions (FAQ)

Q: Can the 400VXH220MEFCSN25X30 be used as a direct replacement for the SLP221M315C3P3?

A: Yes. The 400VXH220MEFCSN25X30 maintains identical capacitance (220 µF), tolerance (±20%), package type (Radial, Can - Snap-In), lead spacing (0.394" / 10.00 mm), and physical dimensions (0.984" diameter, 1.260" height). The higher voltage rating (400 V vs. 315 V) and extended lifetime (5000 Hrs vs. 3000 Hrs @ 105°C) represent specification upgrades that do not require circuit modification.

Q: What is the difference between the 350 V and 400 V substitute options?

A: The 350 V substitutes (LGN2V221MELA30, LQS2V221MELA30) provide a moderate voltage upgrade from the original 315 V specification. The 400 V substitutes (400VXH220MEFCSN25X30, 400MXK220MEFCSN25X30, EKMS401VSN221MQ30S) provide a higher voltage margin. Both upgrade categories maintain identical capacitance, tolerance, and package specifications. Selection depends on system voltage margin requirements and component availability.

Q: Are there any dimensional incompatibilities with the EKMS401VSN221MQ30S?

A: The EKMS401VSN221MQ30S exhibits minor dimensional variation: 1.000" diameter (vs. 0.984") and 1.280" height (vs. 1.260"). Lead spacing remains identical at 0.394" (10.00 mm). These variations are within standard manufacturing tolerance for snap-in aluminum electrolytic capacitors and do not affect PCB mounting compatibility.

Q: Do all substitute parts maintain the same operating temperature range?

A: Yes. All substitute parts operate across the identical temperature range of -25°C to 105°C, matching the SLP221M315C3P3 specification.

Q: What is the significance of the extended 5000-hour lifetime in the 400VXH220MEFCSN25X30?

A: The 5000-hour lifetime at 105°C (vs. 3000 hours in the original part) indicates extended component reliability under thermal stress. This specification upgrade provides improved system margin for applications requiring extended operational life or operating in elevated temperature environments.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts are RoHS3 compliant and REACH unaffected, maintaining regulatory compliance with the original SLP221M315C3P3 specification.

Q: Can substitutes with higher voltage ratings be used in circuits designed for 315 V?

A: Yes. Higher voltage-rated capacitors (350 V or 400 V) are electrically compatible with circuits designed for 315 V operation. The capacitor will operate within its rated voltage specification, providing additional system margin without affecting circuit function.

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