SPCX471M02R Equivalent & Substitute Parts Reference

Part Overview

The SPCX471M02R is a 470 µF, 2 V aluminum polymer surface mount capacitor manufactured by Cornell Dubilier Electronics (CDE) in the 2917 (7343 Metric) package. This component is classified as obsolete, indicating discontinued production and limited availability. The part features 15 mOhm equivalent series resistance (ESR) and a rated lifetime of 1000 hours at 105°C, suitable for general-purpose applications requiring compact form factors and low impedance characteristics.

Due to obsolete status and limited inventory (867 pieces), identification of functionally equivalent active alternatives is necessary for design continuity, supply chain reliability, and long-term component availability.

Key Parameters

Parameter	SPCX471M02R Value	Substitution Criticality
Capacitance	470 µF	Critical - Must Match
Voltage Rating	2 V	Critical - Must Match or Exceed
Tolerance	±20%	Critical - Must Match
Package / Case	2917 (7343 Metric)	Critical - Must Match
Mounting Type	Surface Mount	Critical - Must Match
ESR (Equivalent Series Resistance)	15 mOhm	Application-Dependent
Lifetime @ Temperature	1000 Hrs @ 105°C	Application-Dependent
Operating Temperature Range	-40°C ~ 105°C	Application-Dependent
Ripple Current @ 100 kHz	2.7 A	Application-Dependent
Type	Polymer	Critical - Must Match
RoHS Status	ROHS3 Compliant	Regulatory - Must Match

Substitute Part Grouping Explanation

Substitution logic for the SPCX471M02R is based on strict parameter matching across critical electrical and mechanical specifications:

Critical Matching Parameters (Non-Negotiable):

Capacitance: 470 µF (exact match required)
Voltage Rating: 2 V minimum (equal or higher acceptable)
Tolerance: ±20% (exact match required)
Package / Case: 2917 (7343 Metric) (exact match required)
Mounting Type: Surface Mount (exact match required)
Dielectric Type: Aluminum Polymer (exact match required)
RoHS Compliance: ROHS3 Compliant (regulatory requirement)

Application-Dependent Parameters (Substitution Feasible with Verification):

ESR: 15 mOhm baseline; lower ESR values (3–9 mOhm) provide performance enhancement; higher values acceptable if application permits
Lifetime @ 105°C: 1000 hours baseline; 2000 hours provides extended reliability margin
Operating Temperature Range: -40°C ~ 105°C baseline; -55°C ~ 105°C provides extended low-temperature operation
Ripple Current @ 100 kHz: 2.7 A baseline; higher values indicate improved high-frequency performance capability

Substitute Categories:

Direct Equivalents (Identical Critical Parameters):

EEF-CX0D471R (Panasonic) – Active status, 2000 Hrs lifetime, 5.1 A ripple current
EEF-SX0D471E4 (Panasonic) – Active status, 2000 Hrs lifetime, 4.5 mOhm ESR
EEF-SX0D471XE (Panasonic) – Active status, 2000 Hrs lifetime, 6 mOhm ESR

Similar Equivalents (Voltage Rating Variation):

EEF-CX0E471R (Panasonic) – 2.5 V rating (higher voltage tolerance), Active status

Performance-Enhanced Alternatives (Lower ESR, Extended Lifetime):

EEF-GX0D471R (Panasonic) – 3 mOhm ESR, 10.2 A ripple current, Active status
EEF-LX0D471R (Panasonic) – 6 mOhm ESR, 7.5 A ripple current, Active status
EEF-LX0D471R4 (Panasonic) – 4.5 mOhm ESR, 8.5 A ripple current, Active status
EEF-SX0D471ER (Panasonic) – 9 mOhm ESR, 6.3 A ripple current, Active status

Functionally Similar (Obsolete Status, Lower ESR):

ECASD60D477M006K00 (Murata) – 6 mOhm ESR, Obsolete status, 3.5 A ripple current

Legacy / Not For New Designs:

EEF-SX0D471R (Panasonic) – 9 mOhm ESR, Not For New Designs status

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Package	ESR (mOhm)	Lifetime @ 105°C	Ripple Current @ 100 kHz	Operating Temp Range	Product Status	RoHS
SPCX471M02R	Cornell Dubilier	470 µF	2 V	±20%	2917	15	1000 Hrs	2.7 A	-40°C ~ 105°C	Obsolete	ROHS3
EEF-CX0D471R	Panasonic	470 µF	2 V	±20%	2917	15	2000 Hrs	5.1 A	-55°C ~ 105°C	Active	ROHS3
EEF-CX0E471R	Panasonic	470 µF	2.5 V	±20%	2917	15	2000 Hrs	5.1 A	-55°C ~ 105°C	Active	ROHS3
ECASD60D477M006K00	Murata	470 µF	2 V	±20%	2917	6	1000 Hrs	3.5 A	-40°C ~ 105°C	Obsolete	ROHS3
EEF-GX0D471R	Panasonic	470 µF	2 V	±20%	2917	3	2000 Hrs	10.2 A	-55°C ~ 105°C	Active	ROHS3
EEF-LX0D471R	Panasonic	470 µF	2 V	±20%	2917	6	2000 Hrs	7.5 A	-55°C ~ 105°C	Active	ROHS3
EEF-LX0D471R4	Panasonic	470 µF	2 V	±20%	2917	4.5	2000 Hrs	8.5 A	-55°C ~ 105°C	Active	ROHS3
EEF-SX0D471E4	Panasonic	470 µF	2 V	±20%	2917	4.5	2000 Hrs	8.5 A	-55°C ~ 105°C	Active	ROHS3
EEF-SX0D471ER	Panasonic	470 µF	2 V	±20%	2917	9	2000 Hrs	6.3 A	-55°C ~ 105°C	Active	ROHS3
EEF-SX0D471R	Panasonic	470 µF	2 V	±20%	2917	9	2000 Hrs	Not Specified	-55°C ~ 105°C	Not For New Designs	ROHS3
EEF-SX0D471XE	Panasonic	470 µF	2 V	±20%	2917	6	2000 Hrs	7.5 A	-55°C ~ 105°C	Active	ROHS3

Engineering Selection Recommendations

Tier 1 – Primary Substitutes (Recommended for New Designs):

EEF-CX0D471R (Panasonic SP-Cap CX Series)
- Identical electrical specifications to SPCX471M02R (470 µF, 2 V, ±20%, 15 mOhm ESR)
- Active product status ensures long-term availability and supply chain stability
- Extended lifetime (2000 Hrs @ 105°C) provides reliability margin over original part
- Expanded operating temperature range (-55°C ~ 105°C) supports broader application environments
- Increased ripple current capability (5.1 A @ 100 kHz) indicates improved performance headroom
- ROHS3 compliant; meets all regulatory requirements
- Highest inventory availability (22,162 pieces)
EEF-SX0D471XE (Panasonic SP-Cap SX Series)
- Meets all critical parameters (470 µF, 2 V, ±20%, 2917 package)
- Active product status with extensive inventory (62,480 pieces)
- Lower ESR (6 mOhm vs. 15 mOhm) reduces impedance and improves transient response
- Extended lifetime (2000 Hrs @ 105°C) and expanded temperature range (-55°C ~ 105°C)
- Ripple current 7.5 A @ 100 kHz supports high-frequency applications
- ROHS3 compliant
EEF-SX0D471E4 (Panasonic SP-Cap SX Series)
- Meets all critical parameters (470 µF, 2 V, ±20%, 2917 package)
- Active product status with high inventory (34,487 pieces)
- Reduced ESR (4.5 mOhm) and increased ripple current (8.5 A @ 100 kHz)
- Extended lifetime and temperature range
- ROHS3 compliant

Tier 2 – Performance-Enhanced Alternatives (When Lower ESR Required):

EEF-GX0D471R (Panasonic SP-Cap GX Series)
- Lowest ESR option (3 mOhm) for applications requiring minimal impedance
- Highest ripple current capability (10.2 A @ 100 kHz)
- Active status with 2000 Hrs lifetime and -55°C ~ 105°C range
- Suitable for high-frequency switching and low-impedance circuit requirements
- ROHS3 compliant
EEF-LX0D471R4 (Panasonic SP-Cap LX Series)
- Balanced ESR (4.5 mOhm) and ripple current (8.5 A @ 100 kHz)
- Active status with extended lifetime and temperature range
- High inventory availability (20,125 pieces)
- ROHS3 compliant

Tier 3 – Voltage-Rated Alternative (When Higher Voltage Margin Required):

EEF-CX0E471R (Panasonic SP-Cap CX Series)
- Identical to EEF-CX0D471R except 2.5 V rating (vs. 2 V)
- Provides additional voltage safety margin for applications with voltage transients
- Active status with 14,003 pieces inventory
- ROHS3 compliant

Not Recommended for New Designs:

EEF-SX0D471R – Marked "Not For New Designs"; use EEF-SX0D471E4 or EEF-SX0D471XE instead
ECASD60D477M006K00 (Murata) – Obsolete status; avoid for new production
SPCX471M02R (Original) – Obsolete; replacement required

Selection Criteria by Application:

General-purpose, cost-optimized: EEF-CX0D471R
High-frequency, low-impedance circuits: EEF-GX0D471R or EEF-SX0D471E4
Extended temperature operation: EEF-CX0D471R, EEF-SX0D471XE, or EEF-LX0D471R4
Voltage transient protection: EEF-CX0E471R
Maximum inventory availability: EEF-SX0D471XE (62,480 pieces)

Frequently Asked Questions (FAQ)

Q1: Can I use a substitute part with higher voltage rating (e.g., EEF-CX0E471R at 2.5 V instead of 2 V)?

A: Yes. Higher voltage ratings are acceptable substitutes. A 2.5 V rated capacitor operates safely in a 2 V circuit and provides additional voltage margin for transient protection. The 2917 package dimensions and all other critical parameters remain identical. This substitution is electrically valid and often beneficial for circuit reliability.

Q2: What is the significance of ESR (Equivalent Series Resistance) differences between substitute parts?

A: ESR directly affects impedance, ripple current handling, and thermal performance. Lower ESR values (3–6 mOhm) reduce impedance and improve transient response, beneficial for high-frequency switching applications. The original SPCX471M02R has 15 mOhm ESR; substitutes with lower ESR (EEF-GX0D471R at 3 mOhm, EEF-SX0D471E4 at 4.5 mOhm) provide performance enhancement. Higher ESR values are acceptable if the application does not require low impedance characteristics.

Q3: Why do some substitutes have 2000 Hrs lifetime instead of 1000 Hrs?

A: Lifetime rating indicates capacitor reliability at maximum operating temperature (105°C). Extended lifetime (2000 Hrs) reflects improved polymer formulation and manufacturing processes in newer Panasonic series (CX, SX, GX, LX). For applications requiring long operational life or high-temperature environments, 2000 Hrs lifetime provides a reliability margin. For general-purpose applications, both ratings are acceptable.

Q4: Does the operating temperature range (-40°C ~ 105°C vs. -55°C ~ 105°C) affect substitution?

A: The original SPCX471M02R operates -40°C ~ 105°C. Most Panasonic substitutes extend the lower limit to -55°C, providing broader environmental compatibility. If your application operates above -40°C, both ranges are equivalent. If operation below -40°C is required, select substitutes with -55°C minimum (EEF-CX0D471R, EEF-SX0D471XE, EEF-GX0D471R, EEF-LX series).

Q5: Can I substitute with a part having different ripple current rating?

A: Ripple current rating indicates AC current handling capability at high frequency (100 kHz). The original part handles 2.7 A; substitutes range from 3.5 A to 10.2 A. Higher ripple current ratings indicate improved performance capability and are always acceptable substitutes. Lower ripple current ratings are acceptable only if your circuit's actual ripple current demand does not exceed the substitute's rating. Verify circuit ripple current requirements before selecting lower-rated alternatives.

Q6: What does "Active" vs. "Obsolete" vs. "Not For New Designs" product status mean?

A: Active – Current production; long-term availability guaranteed; recommended for new designs. Obsolete – Discontinued; limited inventory; avoid for new production. Not For New Designs – Transitional status; available but manufacturer discourages new applications; use active alternatives instead. For the SPCX471M02R (Obsolete), select Active status substitutes (EEF-CX0D471R, EEF-SX0D471XE, EEF-GX0D471R, EEF-LX series).

Q7: Are all substitute parts in the 2917 (7343 Metric) package physically identical?

A: All listed substitutes use the 2917 (7343 Metric) package with identical land size (0.287" L x 0.169" W / 7.30mm x 4.30mm). However, seated height varies slightly: SPCX471M02R and most Panasonic parts are 0.075"–0.083" (1.90mm–2.10mm); ECASD60D477M006K00 is 0.110" (2.80mm). Verify PCB clearance if height-constrained. For standard applications, all substitutes are mechanically compatible.

Q8: Do all substitutes meet RoHS and REACH compliance?

A: Yes. All listed substitutes are ROHS3 compliant and REACH unaffected, matching the original SPCX471M02R. Regulatory compliance is maintained across all recommended alternatives.

Q9: Which substitute offers the best overall value for general-purpose applications?

A: EEF-CX0D471R provides optimal balance: identical electrical specifications to the original part, active status, extended lifetime (2000 Hrs), expanded temperature range (-55°C ~ 105°C), improved ripple current (5.1 A), and highest inventory availability (22,162 pieces). This part is the primary recommendation for direct replacement in general-purpose applications.

Q10: If I need the lowest possible impedance, which substitute should I select?

A: EEF-GX0D471R offers the lowest ESR (3 mOhm) and highest ripple current (10.2 A @ 100 kHz), minimizing impedance and maximizing high-frequency performance. This part is optimal for switching power supplies, DC-DC converters, and other applications requiring low-impedance energy storage.

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