LPX471M350E4P3 Equivalent & Substitute Parts

Part Overview

The LPX471M350E4P3 is a 470 µF, 350 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in a radial, can snap-in package. This component is classified as Active and suitable for general-purpose applications requiring through-hole mounting. The part operates across a temperature range of -40°C to 85°C with a rated lifetime of 1000 hours at 85°C.

Substitute parts become necessary when the primary component experiences supply constraints, extended lead times, or when design requirements permit operation at higher voltage ratings or improved performance characteristics while maintaining core electrical compatibility.

Substiute Parts

LPX471M350E4P3

Cornell Dubilier Electronics (CDE)In Stock: 1067LPX471M350E4P3 Datasheet

Current PartRFQ

B43305B9477M000

EPCOS - TDK ElectronicsIn Stock: 273884B43305B9477M000 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LPX471M350E4P3 is determined by strict adherence to the following parameters:

Critical Matching Parameters:

• Capacitance value of 470 µF (exact match required)
• Tolerance of ±20% (exact match required)
• Voltage rating of 350 V or higher (equal or greater acceptable)
• Package configuration: Radial, Can - Snap-In (exact match required)
• Lead spacing of 10.00 mm (exact match required)
• Can diameter of 30.00 mm (exact match required)
• Through-hole mounting type (exact match required)
• Polar polarity (exact match required)

Compatible Operating Parameters:

• Operating temperature range of -40°C to 85°C or broader
• RoHS3 compliance status

The substitute part B43305B9477M000 manufactured by EPCOS - TDK Electronics satisfies all critical matching parameters. This part maintains identical capacitance, tolerance, package geometry, and mounting configuration while providing a higher voltage rating of 400 V, which is acceptable for applications designed for 350 V operation.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Status: The LPX471M350E4P3 maintains Active product status, indicating continued availability and manufacturer support. This part should remain the first choice for new designs and ongoing production when supply is available.

Substitute Part Status: The B43305B9477M000 carries a "Not For New Designs" designation from EPCOS - TDK Electronics. This status indicates the part remains available for replacement and maintenance applications but is not recommended for incorporation into new product designs.

Selection Criteria:

For applications where the LPX471M350E4P3 experiences supply unavailability or extended lead times, the B43305B9477M000 provides functional equivalence with the following considerations:

• All critical electrical parameters (capacitance, tolerance, voltage rating) are compatible
• Physical dimensions and mounting configuration are identical, ensuring PCB compatibility
• The substitute part demonstrates improved performance characteristics: lower ESR and extended thermal lifetime
• Both parts maintain ROHS3 compliance and identical operating temperature ranges
• The substitute part's reduced height (40 mm vs. 45 mm) may provide additional clearance in space-constrained applications

For new product designs, the LPX471M350E4P3 should be specified. For legacy product support and maintenance, the B43305B9477M000 serves as a qualified replacement when the primary part is unavailable.

Frequently Asked Questions (FAQ)

Q: Can the B43305B9477M000 be used as a direct replacement for the LPX471M350E4P3 in existing designs?

A: Yes. The substitute part maintains identical capacitance (470 µF), tolerance (±20%), package configuration (radial snap-in), lead spacing (10 mm), and can diameter (30 mm). The higher voltage rating (400 V vs. 350 V) is acceptable for circuits designed for 350 V operation. Physical mounting compatibility is confirmed.

Q: What is the significance of the "Not For New Designs" status on the B43305B9477M000?

A: This designation indicates the part is available for replacement and maintenance purposes but should not be selected for new product development. For new designs, the LPX471M350E4P3 (Active status) is the appropriate choice.

Q: Are there dimensional differences that affect PCB layout?

A: The substitute part is 5 mm shorter in seated height (40 mm vs. 45 mm). Lead spacing and can diameter remain identical. This dimensional difference may provide additional clearance in height-constrained applications but does not affect PCB footprint compatibility.

Q: Do both parts meet the same regulatory compliance standards?

A: Yes. Both the LPX471M350E4P3 and B43305B9477M000 are ROHS3 compliant and REACH unaffected, meeting identical regulatory requirements.

Q: What performance differences exist between these parts?

A: The substitute part exhibits lower equivalent series resistance (290 mOhm @ 100 Hz vs. 423 mOhm @ 120 Hz) and extended thermal lifetime (2000 hours @ 85°C vs. 1000 hours @ 85°C). These represent performance improvements over the primary part.

Q: Can these parts be used interchangeably in high-ripple-current applications?

A: Both parts are rated for ripple current operation. The LPX471M350E4P3 is rated at 2.28 A @ 50 kHz. The B43305B9477M000 is rated at 2.23 A @ 100 Hz. Application-specific ripple current requirements must be evaluated against the respective part ratings.