SLP471M350E4P3 Equivalent & Substitute Parts

Part Overview

The SLP471M350E4P3 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 rated for general-purpose applications with a 3000-hour lifetime at 105°C and an operating temperature range of -25°C to 105°C. The part is Active in product status and RoHS3 compliant.

Substitute parts are identified when equivalent capacitance, tolerance, and mechanical form factor are maintained while voltage rating, ESR characteristics, or lifetime specifications may be upgraded. Substitution ensures design flexibility and supply chain continuity for applications requiring 470 µF capacitors in snap-in configurations.

Substiute Parts

SLP471M350E4P3

Cornell Dubilier Electronics (CDE)In Stock: 1283SLP471M350E4P3 Datasheet

Current PartRFQ

B43644A9477M000

EPCOS - TDK ElectronicsIn Stock: 2455B43644A9477M000 Datasheet

UpgradeRFQ

ELHS451VSN471MR45S

Chemi-ConIn Stock: 991ELHS451VSN471MR45S Datasheet

UpgradeRFQ

LGN2G471MELB45

NichiconIn Stock: 948LGN2G471MELB45 Datasheet

UpgradeRFQ

LGNW6471MELB45

NichiconIn Stock: 273999LGNW6471MELB45 Datasheet

UpgradeRFQ

LGX2G471MELB45

NichiconIn Stock: 88560LGX2G471MELB45 Datasheet

UpgradeRFQ

LQSW6471MELB45

NichiconIn Stock: 273935LQSW6471MELB45 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SLP471M350E4P3 are qualified based on the following criteria:

Core Compatibility Parameters:

• Capacitance: 470 µF (exact match required)
• Tolerance: ±20% (exact match required)
• Package / Case: Radial, Can - Snap-In (exact match required)
• Mounting Type: Through Hole (exact match required)
• Lead Spacing: 10.00 mm (exact match required)
• Physical Dimensions: 30.00 mm diameter, 47.00 mm height (exact match required)

Allowable Upgrade Parameters:

• Voltage - Rated: 350 V or higher (upgrades to 400 V, 420 V, or 450 V are acceptable)
• ESR: Lower values represent performance improvements
• Lifetime @ 105°C: 3000 hours or longer (upgrades to 5000 hours are acceptable)
• Operating Temperature Range: -25°C to 105°C or wider (upgrades to -40°C are acceptable)

All identified substitute parts maintain identical capacitance, tolerance, package configuration, and mechanical form factor while offering equal or superior electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

B43644A9477M000 (EPCOS - TDK Electronics) This substitute offers the highest performance upgrade with 400 V rating, significantly reduced ESR (200 mOhm @ 100Hz versus 706 mOhm @ 120Hz), extended lifetime (5000 hours), and expanded operating temperature range (-40°C to 105°C). ROHS3 compliance and Active product status support long-term availability. This part is suitable for applications requiring enhanced thermal performance and lower impedance characteristics.

ELHS451VSN471MR45S (Chemi-Con) This substitute provides the highest voltage rating at 450 V with extended lifetime (5000 hours) and expanded operating temperature range (-40°C to 105°C). RoHS compliance is confirmed. Height is 47.50 mm, representing a 0.50 mm increase from the original specification. This part is suitable for high-voltage applications requiring maximum voltage margin.

LGN2G471MELB45 (Nichicon) This substitute maintains 400 V rating with identical lifetime (3000 hours) and operating temperature range (-25°C to 105°C). Mechanical dimensions and ROHS3 compliance match the original specification. This part provides direct compatibility with equivalent performance characteristics.

LGNW6471MELB45 (Nichicon) This substitute offers 420 V rating with identical lifetime (3000 hours) and operating temperature range (-25°C to 105°C). Mechanical dimensions and ROHS3 compliance match the original specification. High inventory availability (273,982 pcs) supports supply chain continuity.

LGX2G471MELB45 (Nichicon) This substitute provides 400 V rating with extended lifetime (5000 hours) and identical operating temperature range (-25°C to 105°C). Mechanical dimensions and ROHS3 compliance match the original specification. High inventory availability (88,500 pcs) supports supply chain continuity.

LQSW6471MELB45 (Nichicon) This substitute offers 420 V rating with identical lifetime (3000 hours) and operating temperature range (-25°C to 105°C). Mechanical dimensions and ROHS3 compliance match the original specification. High inventory availability (273,882 pcs) supports supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a higher voltage rating than the original SLP471M350E4P3?

A: Yes. A higher voltage rating is an acceptable upgrade. Substitute parts rated at 400 V, 420 V, or 450 V are electrically compatible with applications designed for 350 V operation. The higher voltage rating provides additional safety margin and does not negatively affect circuit performance.

Q: What is the significance of ESR (Equivalent Series Resistance) in capacitor substitution?

A: ESR directly affects capacitor performance in ripple current applications and thermal characteristics. Lower ESR values indicate better high-frequency performance and reduced heat generation. The B43644A9477M000 substitute with 200 mOhm ESR represents a significant improvement over the original 706 mOhm specification.

Q: Are all substitute parts mechanically interchangeable with the SLP471M350E4P3?

A: All substitute parts maintain the same lead spacing (10.00 mm), diameter (30.00 mm), and mounting type (Through Hole, Radial, Can - Snap-In). The ELHS451VSN471MR45S has a maximum seated height of 47.50 mm compared to 47.00 mm for the original part, representing a 0.50 mm difference. This minor variation is typically accommodated in standard PCB layouts.

Q: What does "lifetime at 105°C" mean in the context of capacitor selection?

A: Lifetime at 105°C specifies the expected operational duration of the capacitor under maximum rated temperature conditions. The original SLP471M350E4P3 is rated for 3000 hours at 105°C. Substitute parts offering 5000 hours provide extended service life under thermal stress, which is beneficial for applications with continuous high-temperature operation.

Q: Are all substitute parts RoHS compliant?

A: Yes. All identified substitute parts are either ROHS3 compliant or RoHS compliant, meeting environmental and regulatory requirements equivalent to or exceeding the original SLP471M350E4P3 specification.

Q: Can I substitute a part with a wider operating temperature range?

A: Yes. Substitute parts with expanded operating temperature ranges (such as -40°C to 105°C versus -25°C to 105°C) are acceptable upgrades. A wider temperature range indicates enhanced performance capability and does not restrict application compatibility.

Q: What is the difference between the Nichicon LGN, LGX, and LQS series substitutes?

A: All three Nichicon series maintain identical capacitance (470 µF), tolerance (±20%), and mechanical form factor. The LGN series is available at 400 V (LGN2G471MELB45) and 420 V (LGNW6471MELB45) ratings with 3000-hour lifetime. The LGX series (LGX2G471MELB45) offers 400 V rating with extended 5000-hour lifetime. The LQS series (LQSW6471MELB45) provides 420 V rating with 3000-hour lifetime. Selection depends on specific voltage and lifetime requirements.

Q: How does inventory availability affect part selection?

A: Inventory levels support supply chain planning and lead time management. Parts with higher inventory availability, such as LGNW6471MELB45 (273,982 pcs) and LQSW6471MELB45 (273,882 pcs), offer greater accessibility for immediate procurement. Lower inventory levels may require longer lead times or allocation considerations.