SPCX151M06R Equivalent & Substitute Parts Reference

Part Overview

The SPCX151M06R is a 150 µF, 6.3 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 that direct procurement from the original manufacturer is no longer available. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or repair requirements for applications utilizing this capacitor specification.

Key Parameters

Parameter	Value	Unit	Substitution Relevance
Capacitance	150	µF	Critical - Must match exactly
Voltage Rating	6.3	V	Critical - Must match or exceed
Tolerance	±20%	%	Critical - Must match
Package / Case	2917 (7343 Metric)	-	Critical - PCB footprint compatibility
Mounting Type	Surface Mount	-	Critical - Assembly process compatibility
ESR (Equivalent Series Resistance)	15	mOhm	Important - Electrical performance
Lifetime @ Temperature	1000	Hrs @ 105°C	Important - Reliability specification
Operating Temperature Range	-40 to 105	°C	Important - Environmental compatibility
Ripple Current @ 100 kHz	2.7	A	Important - Thermal performance
Type	Polymer	-	Critical - Technology type
RoHS Status	ROHS3 Compliant	-	Important - Regulatory compliance

Substitute Part Grouping Explanation

Substitute parts for the SPCX151M06R are identified based on strict electrical and mechanical parameter matching within the aluminum polymer capacitor category. The substitution logic is organized as follows:

Critical Matching Parameters:

Capacitance: 150 µF (exact match required)
Voltage Rating: 6.3 V (exact match required)
Tolerance: ±20% (exact match required)
Package / Case: 2917 (7343 Metric) (exact match required)
Mounting Type: Surface Mount (exact match required)
Type: Polymer (exact match required)

Secondary Compatibility Parameters:

ESR (Equivalent Series Resistance): Substitutes with equal or lower ESR values are acceptable
Lifetime @ Temperature: Substitutes with equal or greater lifetime ratings are acceptable
Operating Temperature Range: Substitutes with equal or wider temperature ranges are acceptable
Ripple Current @ 100 kHz: Substitutes with equal or higher ripple current ratings are acceptable
RoHS Status: All substitutes must maintain ROHS3 compliance

All substitute parts listed below meet the critical matching parameters and maintain or improve secondary performance characteristics.

Parameter Comparison

Parameter	SPCX151M06R (CDE)	EEF-CX0J151R (Panasonic)	ECASD60J157M010K00 (Murata)	EEF-CX0J151XR (Panasonic)	EEF-SX0J151ER (Panasonic)
Manufacturer	Cornell Dubilier Electronics	Panasonic Electronic Components	Murata Electronics	Panasonic Electronic Components	Panasonic Electronic Components
Capacitance	150 µF	150 µF	150 µF	150 µF	150 µF
Voltage Rating	6.3 V	6.3 V	6.3 V	6.3 V	6.3 V
Tolerance	±20%	±20%	±20%	±20%	±20%
Package / Case	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Type	Polymer	Polymer	Polymer	Polymer	Polymer
ESR (mOhm)	15	15	10	12	9
Lifetime @ 105°C	1000 Hrs	2000 Hrs	1000 Hrs	2000 Hrs	2000 Hrs
Operating Temperature	-40 to 105°C	-55 to 105°C	-40 to 105°C	-55 to 105°C	-55 to 105°C
Ripple Current @ 100 kHz	2.7 A	5.1 A	3 A	5.6 A	6.3 A
Height - Seated (Max)	0.075" (1.90 mm)	0.075" (1.90 mm)	0.110" (2.80 mm)	0.075" (1.90 mm)	0.079" (2.00 mm)
Product Status	Obsolete	Active	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging	-	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Tape & Reel (TR)

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

EEF-CX0J151R and EEF-CX0J151XR (Panasonic Electronic Components) are the preferred substitutes for the SPCX151M06R. Both parts are classified as Active products, ensuring long-term availability and supply chain stability. These Panasonic alternatives maintain identical critical parameters (capacitance, voltage, tolerance, package, mounting type) while offering improved electrical performance through reduced ESR values (15 mOhm and 12 mOhm respectively) and extended lifetime ratings (2000 Hrs @ 105°C). The extended operating temperature range (-55 to 105°C) provides additional environmental flexibility. Both parts are ROHS3 compliant and maintain identical surface mount land sizes, ensuring direct PCB compatibility without design modifications.

Secondary Substitute (Acceptable Alternative):

EEF-SX0J151ER (Panasonic Electronic Components) is an acceptable substitute offering the lowest ESR value (9 mOhm) among all alternatives, resulting in superior ripple current handling (6.3 A @ 100 kHz). This part is Active status with ROHS3 compliance. The seated height of 0.079" (2.00 mm) is marginally higher than the original specification but remains within acceptable surface mount assembly tolerances for the 2917 package. The extended operating temperature range (-55 to 105°C) and 2000 Hrs @ 105°C lifetime provide enhanced reliability margins.

Tertiary Substitute (Limited Recommendation):

ECASD60J157M010K00 (Murata Electronics) meets all critical electrical parameters and is ROHS3 compliant. However, this part is classified as Obsolete, which may limit future availability. The seated height of 0.110" (2.80 mm) exceeds the original specification by 0.035" (0.90 mm), requiring verification of PCB clearance in height-constrained applications. The ESR value of 10 mOhm is superior to the original specification, and the ripple current rating of 3 A @ 100 kHz is acceptable for general purpose applications.

Recommendation Priority:

EEF-CX0J151XR (Panasonic) - Optimal balance of performance and availability
EEF-CX0J151R (Panasonic) - Direct electrical equivalent with improved performance
EEF-SX0J151ER (Panasonic) - Superior ESR performance, minor height consideration
ECASD60J157M010K00 (Murata) - Acceptable only if height clearance is verified; obsolete status limits long-term viability

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different ESR value?

A: Yes. Substitutes with equal or lower ESR values are acceptable. Lower ESR values improve ripple current handling and reduce thermal dissipation. All listed substitutes meet or exceed the original ESR specification of 15 mOhm.

Q: What is the significance of the "Active" versus "Obsolete" product status?

A: Active products are currently manufactured and supported by the supplier, ensuring long-term availability and consistent quality. Obsolete products are no longer manufactured, which may result in limited stock, supply discontinuity, and potential quality variations from remaining inventory. For new designs or long-term production requirements, Active substitutes are strongly preferred.

Q: Are all substitute parts compatible with the original PCB footprint?

A: All substitute parts use the identical 2917 (7343 Metric) package and surface mount land size (0.287" L x 0.169" W / 7.30 mm x 4.30 mm), ensuring direct PCB footprint compatibility. However, the seated height varies slightly among substitutes. EEF-CX0J151R, EEF-CX0J151XR, and SPCX151M06R share the same maximum seated height of 0.075" (1.90 mm). EEF-SX0J151ER has a maximum seated height of 0.079" (2.00 mm), and ECASD60J157M010K00 has a maximum seated height of 0.110" (2.80 mm). Height-constrained applications must verify clearance before substitution.

Q: Do all substitute parts maintain RoHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the regulatory status of the original SPCX151M06R component.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel (TR) packaging is supplied on continuous reels suitable for automated pick-and-place assembly equipment. Cut Tape (CT) packaging is supplied in smaller quantities on cut tape strips, suitable for manual assembly or lower-volume production. Both packaging formats are compatible with the same component specifications and electrical performance. Selection depends on production volume and assembly equipment capabilities.

Q: Can I substitute a part with a higher lifetime rating?

A: Yes. Substitutes with equal or greater lifetime ratings are acceptable. Higher lifetime ratings indicate extended operational reliability at elevated temperatures. All Panasonic substitutes offer 2000 Hrs @ 105°C, compared to the original 1000 Hrs @ 105°C specification, providing improved reliability margins.

Q: What does the operating temperature range indicate?

A: The operating temperature range specifies the minimum and maximum ambient temperatures at which the capacitor functions within its electrical specifications. The original SPCX151M06R operates from -40°C to 105°C. Panasonic substitutes extend this range to -55°C to 105°C, providing compatibility with wider environmental conditions. ECASD60J157M010K00 maintains the original -40°C to 105°C range.

Q: Is the ripple current rating important for my application?

A: Ripple current rating indicates the maximum AC current the capacitor can handle at high frequency (100 kHz) without exceeding temperature limits. Higher ripple current ratings provide greater thermal margin in applications with significant AC current components. All substitutes meet or exceed the original 2.7 A @ 100 kHz specification, with Panasonic parts offering substantially higher ratings (5.1 A to 6.3 A).

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