PSB1854100KJS Film Capacitor Equivalent & Substitute Parts

Part Overview

The PSB1854100KJS is a 1 µF film capacitor manufactured by Nichicon, rated for 850V DC and 500V AC operation. This radial through-hole component utilizes polypropylene (PP) metallized dielectric technology and is designed for high-frequency switching, high-pulse, DV/DT, and snubber applications. The part maintains Active product status with 1021 units currently in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

PSB1854100KJS

NichiconIn Stock: 1053PSB1854100KJS Datasheet

Current PartRFQ

PSB1854100KJL

NichiconIn Stock: 1261PSB1854100KJL Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PSB1854100KJS is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part PSB1854100KJL qualifies as a parametric equivalent based on the following criteria:

Electrical Parameters (Must Match Exactly):

• Capacitance: 1 µF
• Tolerance: ±10%
• Voltage Rating - DC: 850V
• Voltage Rating - AC: 500V
• Dielectric Material: Polypropylene (PP), Metallized
• ESR: 3.3 mOhms
• Operating Temperature Range: -40°C ~ 85°C

Mechanical Parameters (Must Match Exactly):

• Mounting Type: Through Hole
• Package / Case: Radial
• Lead Spacing: 1.476" (37.50mm)
• Termination: PC Pins
• Physical Dimensions: 1.634" L x 0.787" W (41.50mm x 20.00mm)
• Height - Seated (Max): 1.575" (40.00mm)

Compliance & Regulatory (Must Match Exactly):

• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected
• ECCN: EAR99
• HTSUS: 8532.25.0020

Parameter Comparison

Engineering Selection Recommendations

Both PSB1854100KJS and PSB1854100KJL are Active products manufactured by Nichicon with full ROHS3 compliance and REACH Unaffected status. The parts are electrically and mechanically identical across all specified parameters, including capacitance, voltage ratings, dielectric composition, ESR, operating temperature range, and physical dimensions. Both components are suitable for high-frequency switching, high-pulse, DV/DT, and snubber applications in through-hole PCB designs.

Selection between these parts may be based on inventory availability. PSB1854100KJL currently maintains higher stock levels (1199 units) compared to PSB1854100KJS (1021 units). Both parts satisfy identical regulatory and compliance requirements for deployment in equivalent circuit applications.

Frequently Asked Questions (FAQ)

Q: Are PSB1854100KJS and PSB1854100KJL electrically interchangeable?

A: Yes. Both parts are identical in capacitance (1 µF), tolerance (±10%), voltage ratings (850V DC / 500V AC), dielectric material (polypropylene metallized), and ESR (3.3 mOhms). They operate across the same temperature range (-40°C ~ 85°C) and are suitable for identical applications.

Q: Can these parts be used interchangeably in PCB designs?

A: Yes. Both parts share identical mechanical specifications: radial through-hole mounting, 1.476" (37.50mm) lead spacing, PC pin termination, and physical dimensions of 1.634" L x 0.787" W (41.50mm x 20.00mm). They occupy the same footprint and require no design modifications for substitution.

Q: What is the difference between PSB1854100KJS and PSB1854100KJL?

A: The parts are parametrically equivalent. The only difference is inventory availability: PSB1854100KJS has 1021 units in stock, while PSB1854100KJL has 1199 units in stock.

Q: Are both parts RoHS compliant?

A: Yes. Both PSB1854100KJS and PSB1854100KJL are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory standards.

Q: Which part should be selected for new designs?

A: Either part is suitable for new designs. Selection may be based on procurement lead times and inventory availability. Both maintain Active product status with equivalent long-term support.

Q: Are these parts suitable for high-voltage applications?

A: Yes. Both parts are rated for 850V DC and 500V AC operation, making them suitable for high-voltage switching, snubber, and high-pulse applications as specified in their design parameters.