SPSX221M04R

Part Overview

The SPSX221M04R is a 220 µF, 4 V aluminum polymer surface mount capacitor manufactured by Cornell Dubilier Electronics (CDE) in the 2917 (7343 Metric) package. This component is classified as obsolete, requiring identification of equivalent and substitute parts for new designs and ongoing production support. The part serves general-purpose capacitor applications with a rated lifetime of 1000 hours at 105°C and an equivalent series resistance (ESR) of 9 mOhm.

Key Parameters

Parameter	Value
Capacitance	220 µF
Voltage Rating	4 V
Tolerance	±20%
Type	Aluminum Polymer
Package / Case	2917 (7343 Metric)
Mounting Type	Surface Mount
ESR (Equivalent Series Resistance)	9 mOhm
Lifetime @ Temperature	1000 Hrs @ 105°C
Operating Temperature Range	-40°C to 105°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts are organized based on the following electrical and mechanical compatibility criteria:

Primary Substitution Parameters:

Capacitance: 220 µF (exact match required)
Voltage Rating: 4 V (exact match required)
Tolerance: ±20% (exact match)
Package / Case: 2917 (7343 Metric) (exact match required for PCB compatibility)
Mounting Type: Surface Mount (exact match required)

Electrical Performance Considerations:

ESR (9–15 mOhm range acceptable)
Ripple Current @ 100 kHz (minimum 3 A required)
Lifetime @ 105°C (minimum 1000 Hrs required)
Operating Temperature Range (minimum -40°C to 105°C required)

Compliance Requirements:

RoHS3 Compliance (mandatory)
REACH Unaffected status (mandatory)

Substitute parts are classified as "Direct," "Similar," or "Parametric Equivalent" based on the degree of operational compatibility with the original SPSX221M04R specification.

Parameter Comparison

Part Number	Manufacturer	Status	Capacitance	Voltage	Tolerance	ESR	Lifetime @ 105°C	Operating Temp.	Ripple Current @ 100 kHz	Height (Seated)	Package
SPSX221M04R	Cornell Dubilier Electronics	Obsolete	220 µF	4 V	±20%	9 mOhm	1000 Hrs	-40°C ~ 105°C	3 A	0.083" (2.10 mm)	2917 (7343 Metric)
EEF-SX0G221ER	Panasonic Electronic Components	Active	220 µF	4 V	±20%	9 mOhm	2000 Hrs	-55°C ~ 105°C	6.3 A	0.079" (2.00 mm)	2917 (7343 Metric)
EEF-CX0G221XR	Panasonic Electronic Components	Active	220 µF	4 V	±20%	12 mOhm	2000 Hrs	-55°C ~ 105°C	5.6 A	0.075" (1.90 mm)	2917 (7343 Metric)
EEF-CX0G221R	Panasonic Electronic Components	Active	220 µF	4 V	±20%	15 mOhm	2000 Hrs	-55°C ~ 105°C	5.1 A	0.075" (1.90 mm)	2917 (7343 Metric)
ECASD60G227M010K00	Murata Electronics	Obsolete	220 µF	4 V	±20%	10 mOhm	1000 Hrs	-40°C ~ 105°C	3 A	0.110" (2.80 mm)	2917 (7343 Metric)
227XMPL004MG19X	Cornell Dubilier / Illinois Capacitor	Active	220 µF	4 V	±20%	9 mOhm	1000 Hrs	-40°C ~ 105°C	3 A	0.083" (2.10 mm)	2917 (7343 Metric)

Engineering Selection Recommendations

Recommended Direct Substitutes (Active Status):

EEF-SX0G221ER (Panasonic SP-Cap SX series) is the optimal direct substitute. This part is active in production, maintains identical ESR (9 mOhm) and capacitance specifications, provides extended lifetime (2000 hours at 105°C versus 1000 hours), and supports an expanded operating temperature range (-55°C to 105°C). The part exceeds the original ripple current rating (6.3 A versus 3 A @ 100 kHz).

227XMPL004MG19X (Cornell Dubilier / Illinois Capacitor XMPL series) is an active parametric equivalent that maintains the original electrical characteristics (9 mOhm ESR, 1000 hour lifetime, -40°C to 105°C range) within the same 2917 package footprint. This part is suitable for applications where maintaining the original performance profile is required.

Alternative Direct Substitutes:

EEF-CX0G221XR (Panasonic SP-Cap CX series) is an active part with reduced ESR tolerance (12 mOhm) and enhanced lifetime (2000 hours). The higher ESR remains within acceptable margins for general-purpose applications. This part features a lower seated height (0.075" versus 0.083"), which may provide PCB assembly benefits in space-constrained applications.

EEF-CX0G221R (Panasonic SP-Cap CX series) is active but exhibits higher ESR (15 mOhm). Use this part only when ripple current requirements do not exceed 5.1 A @ 100 kHz and the higher ESR is acceptable for the application.

Avoid for New Designs:

ECASD60G227M010K00 (Murata ECAS series) is obsolete and not recommended for new designs. This part exhibits increased seated height (0.110" versus 0.083"), which may create PCB assembly clearance issues.

All recommended substitutes comply with ROHS3 requirements and maintain REACH Unaffected status, consistent with the original part specifications.

Frequently Asked Questions (FAQ)

Q: Can EEF-SX0G221ER directly replace SPSX221M04R without PCB layout changes?

A: Yes. EEF-SX0G221ER maintains the identical 2917 (7343 Metric) package footprint and surface mount land pattern as SPSX221M04R. The 0.004" reduction in seated height (2.00 mm versus 2.10 mm) does not affect PCB compatibility.

Q: What is the impact of ESR differences between substitute parts?

A: ESR directly affects ripple current performance and heat generation. The SPSX221M04R operates at 9 mOhm ESR with a 3 A ripple current rating @ 100 kHz. EEF-SX0G221ER matches this ESR specification exactly. EEF-CX0G221XR (12 mOhm) and EEF-CX0G221R (15 mOhm) exhibit higher ESR values but remain within acceptable operating margins for general-purpose applications. Verify ripple current requirements in your specific application circuit.

Q: Why is SPSX221M04R listed as obsolete when substitutes are available?

A: Obsolete status indicates the part is no longer in active production. EEF-SX0G221ER, EEF-CX0G221XR, EEF-CX0G221R, and 227XMPL004MG19X are all active alternatives that meet or exceed the original specifications, ensuring continued availability for production and support.

Q: Does operating temperature range affect substitution?

A: The SPSX221M04R operates from -40°C to 105°C. Panasonic EEF-series parts (EEF-SX0G221ER, EEF-CX0G221XR, EEF-CX0G221R) extend this range to -55°C to 105°C, providing additional design margin for low-temperature environments. The 227XMPL004MG19X maintains the original -40°C to 105°C range. Both are acceptable substitutes; part selection depends on your application's minimum operating temperature requirement.

Q: Are all substitute parts RoHS3 compliant and REACH compliant?

A: Yes. All listed substitute parts maintain ROHS3 Compliance and REACH Unaffected status, consistent with the original SPSX221M04R specification.

Q: What is the difference between "Direct Manufacturer Part Number," "Similar Manufacturer Part Number," and "Parametric Equivalent"?

A: Direct and Similar parts are complete drop-in replacements differing only in electrical performance characteristics (ESR, lifetime, temperature range). Parametric Equivalent parts match the original electrical and thermal specifications exactly within the same package footprint. All three classifications are mechanically interchangeable within the 2917 (7343 Metric) footprint.

Q: Should I prefer active parts over obsolete substitute options?

A: Yes. Active parts (EEF-SX0G221ER, EEF-CX0G221XR, EEF-CX0G221R, 227XMPL004MG19X) ensure long-term availability and ongoing production support. Obsolete parts (ECASD60G227M010K00) may have limited inventory and should be avoided for new designs.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message