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KEMET C4AF3BU4100T1YK Power Film Capacitor

The C4AF3BU4100T1YK is a high-quality metallized polypropylene film capacitor designed for power applications. It features a capacitance of 1uF with a 10% tolerance, rated for 400 VAC and 800 VDC, and withstands temperatures from -55°C to +105°C. Suitable for harsh environmental conditions, it includes wire lead terminations, and complies with RoHS and AEC-Q200 standards. The capacitor has a dissipation factor of 0.07%, an insulation resistance of 30 MOhms, and a maximum dissipation voltage of 141 V. Its size is compact, with a lead spacing of 27.5mm and dimensions around 14mm in height and 31.5mm in length.

Authorized Distributors
Source:Newark
Part No:C4AF3BU4100T1YK
Stock:96
Inv Date:06-05-2026
Price: Unit price: $3.23
Buy/RFQ:
Source:DigiKey
Part No:C4AF3BU4100T1YK
Stock:58
Inv Date:06-05-2026
Price: Unit price: $2.93
Buy/RFQ:
Part No:C4AF3BU4100T1YK
Stock:286
Inv Date:06-06-2026
Price: Unit price: $2.93
Buy/RFQ:

KEMET C4AF3BU4100T1YK Power Film Capacitor Specifications:

  • Dielectric: Metallized Polypropylene
  • Capacitance: 1uF
  • Capacitance Tolerance: 10%
  • Voltage AC: 400 VAC
  • Voltage DC: 800 VDC
  • Temperature Range: -55°C to +105°C
  • Rated Temperature: 85°C
  • Dissipation Factor: 0.07% MAX
  • Insulation Resistance: 30 MOhms
  • Dimensions: Height approximately 14mm, Length approximately 31.5mm, Lead Spacing 27.5mm
  • Material: Metalized polypropylene film
  • Lead Type: Wire leads
  • Compliance: RoHS, AEC-Q200
  • Maximum Dissipation Voltage: 141 V
  • Packaging: Bulk, Box
  • Resistance: 9.8 mOhms
  • Ripple Current: 141 Amps MAX
  • Inductance: 24 nH (ESL)

Buy the Buy KEMET Capacitor Part Number C4AF3BU4100T1YK Online

Discover the KEMET Power Film Capacitor, model C4AF3BU4100T1YK, engineered for robust power applications. Featuring a 1uF capacitance, 400VAC/800VDC ratings, and temperature endurance from -55°C to +105°C, it ensures reliable performance under harsh conditions. Its compact form, wire leads, and high insulation resistance make it ideal for power electronics, filtering, and industrial use. Purchase online today and enjoy fast delivery, genuine quality, and long-term durability tailored to demanding environments.

Get KEMET C4AF3BU4100T1YK today—built for power stability and long-lasting durability in harsh environmental conditions.

Frequently Asked Questions

Where can I buy KEMET C4AF3BU4100T1YK?

You can click on the BUY or RFQ button to purchase C4AF3BU4100T1YK from an authorized KEMET distributor.

How do I troubleshoot issues or seek technical support for part C4AF3BU4100T1YK?

You can download the C4AF3BU4100T1YK datasheet or visit the KEMET website for support.

Who is the manufacturer of C4AF3BU4100T1YK?

KEMET

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