R75MN41004030K Film Capacitor Equivalent & Substitute Parts

Part Overview

The R75MN41004030K is a 1 µF film capacitor manufactured by KEMET, designed for applications requiring high-frequency switching, high pulse, and DV/DT performance. This polypropylene metallized radial capacitor operates at 400V DC and 220V AC, with an operating temperature range of -55°C to 105°C. The part is Active in product status and maintains full compliance with automotive and industrial standards. Substitute parts are identified to provide alternative sourcing options when the primary part number is unavailable or when inventory constraints require component alternatives that maintain identical electrical and mechanical specifications.

Substiute Parts

R75MN41004030K

KEMETIn Stock: 1157R75MN41004030K Datasheet

Current PartRFQ

R75MN4100AA30K

KEMETIn Stock: 960R75MN4100AA30K Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the R75MN41004030K is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part R75MN4100AA30K qualifies as a direct equivalent based on the following criteria:

Electrical Parameters (Must Match Exactly):

• Capacitance: 1 µF
• Tolerance: ±10%
• Voltage Rating - DC: 400V
• Voltage Rating - AC: 220V
• Dielectric Material: Polypropylene (PP), Metallized
• Operating Temperature Range: -55°C to 105°C

Mechanical Parameters (Must Match Exactly):

• Mounting Type: Through Hole
• Package / Case: Radial
• Lead Spacing: 0.886" (22.50mm)
• Size / Dimension: 1.043" L x 0.433" W (26.50mm x 11.00mm)
• Height - Seated (Max): 0.791" (20.10mm)
• Termination: PC Pins

Compliance & Certification (Must Match Exactly):

• Series: R75
• Product Status: Active
• AEC-Q200 Rating
• RoHS3 Compliance
• REACH Unaffected Status

Both parts are manufactured by KEMET and belong to the same R75 series, ensuring design compatibility and interchangeability in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both the R75MN41004030K and R75MN4100AA30K are Active products manufactured by KEMET with full AEC-Q200 automotive qualification. Selection between these parts is based on availability and inventory status rather than technical differentiation, as all electrical, mechanical, and compliance parameters are identical.

The R75MN41004030K maintains 1062 units in current inventory stock. The R75MN4100AA30K maintains 946 units in current inventory stock. Both parts satisfy ROHS3 compliance requirements and REACH unaffected status, making either part suitable for applications requiring regulatory compliance in automotive and industrial environments.

For applications requiring high-frequency switching, high pulse, and DV/DT performance within the specified voltage and temperature ranges, either part number provides equivalent performance and circuit compatibility.

Frequently Asked Questions (FAQ)

Q: Are R75MN41004030K and R75MN4100AA30K electrically interchangeable?

A: Yes. Both parts have identical capacitance (1 µF), tolerance (±10%), voltage ratings (400V DC / 220V AC), dielectric material (polypropylene metallized), and operating temperature range (-55°C to 105°C). They are direct electrical equivalents.

Q: Are these parts mechanically interchangeable on a PCB?

A: Yes. Both parts share identical mechanical specifications: radial through-hole mounting, 0.886" (22.50mm) lead spacing, 1.043" L x 0.433" W (26.50mm x 11.00mm) dimensions, and 0.791" (20.10mm) maximum seated height. PCB footprints and mounting holes are identical.

Q: Do both parts meet automotive standards?

A: Yes. Both R75MN41004030K and R75MN4100AA30K carry AEC-Q200 ratings and are suitable for automotive applications.

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

A: The parts are functionally and mechanically identical. The difference lies in internal manufacturing or packaging designations within the KEMET R75 series. Both are Active products with equivalent performance characteristics.

Q: Are these parts RoHS compliant?

A: Yes. Both parts are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for industrial and automotive use.

Q: Can I use R75MN4100AA30K as a replacement for R75MN41004030K in existing designs?

A: Yes. The parts are direct substitutes with no design modifications required. Circuit performance and reliability remain unchanged.

Q: What applications are these capacitors designed for?

A: Both parts are rated for automotive, high-frequency switching, high pulse, and DV/DT applications requiring 400V DC / 220V AC polypropylene film capacitors.