B43858A9475M008 Equivalent & Substitute Parts

Part Overview

The B43858A9475M008 is a 4.7 µF, 400 V aluminum electrolytic capacitor in radial, can package manufactured by EPCOS - TDK Electronics. This component is rated for 5000 hours at 105°C and is designed for general purpose applications requiring polar capacitance in through-hole configurations.

The B43858A9475M008 is classified as obsolete. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications currently utilizing this component.

Substiute Parts

B43858A9475M008

EPCOS - TDK ElectronicsIn Stock: 978B43858A9475M008 Datasheet

Current PartRFQ

B43858C9475M000

EPCOS - TDK ElectronicsIn Stock: 859B43858C9475M000 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the B43858A9475M008 is determined by strict equivalence across the following critical parameters:

• Capacitance value: 4.7 µF (exact match required)
• Rated voltage: 400 V (exact match required)
• Tolerance: ±20% (exact match required)
• Lifetime rating: 5000 Hrs @ 105°C (exact match required)
• Operating temperature range: -25°C ~ 105°C (exact match required)
• Ripple current capability: 180 mA @ 100 kHz (exact match required)
• Lead spacing: 0.197" (5.00 mm) (exact match required)
• Physical dimensions: 0.394" Dia × 0.669" Height (exact match required)
• Mounting configuration: Through Hole, Radial, Can package (exact match required)
• Polarization: Polar (exact match required)
• RoHS compliance: ROHS3 Compliant (exact match required)

The substitute part B43858C9475M000 meets all specified parameters and is therefore a direct equivalent.

Parameter Comparison

Engineering Selection Recommendations

The B43858C9475M000 is the direct equivalent substitute for the obsolete B43858A9475M008. Both components are manufactured by EPCOS - TDK Electronics within the same B43858 series and share identical electrical and mechanical specifications.

The primary distinction is product status: B43858A9475M008 is obsolete, while B43858C9475M000 is active and currently available. Both components maintain ROHS3 compliance and equivalent performance characteristics across all specified parameters.

For applications currently using B43858A9475M008, transition to B43858C9475M000 ensures continued supply availability without modification to circuit design or PCB layout.

Frequently Asked Questions (FAQ)

Q: Can B43858C9475M000 be used as a direct replacement for B43858A9475M008?

A: Yes. Both components are identical in electrical performance, mechanical dimensions, and mounting configuration. The substitute part is fully compatible with existing designs.

Q: What is the difference between these two part numbers?

A: The primary difference is product lifecycle status. B43858A9475M008 is obsolete, while B43858C9475M000 is active. All electrical and mechanical parameters are equivalent.

Q: Are there any PCB layout modifications required when switching to the substitute part?

A: No. Both components share identical lead spacing (0.197" / 5.00 mm), diameter (0.394" / 10.00 mm), and height (0.669" / 17.00 mm). PCB footprints are interchangeable.

Q: Do both parts meet the same compliance standards?

A: Yes. Both B43858A9475M008 and B43858C9475M000 are ROHS3 compliant.

Q: What is the operating temperature range for these capacitors?

A: Both components operate across -25°C to 105°C with a rated lifetime of 5000 hours at 105°C.

Q: Are the ripple current ratings identical?

A: Yes. Both components are rated for 180 mA ripple current at 100 kHz.