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Thorlabs EF501 Thorlabs EF501 — Low-Pass Electrical Filter, ≤10 MHz Passband, Coaxial BNC Feedthrough
Reference imageConfirm configuration by manufacturer part number.

Thorlabs

EF501

Thorlabs EF501 — Low-Pass Electrical Filter, ≤10 MHz Passband, Coaxial BNC Feedthrough

The Thorlabs EF501 is a low-pass electrical filter featuring a ≤10 MHz passband and a coaxial BNC feedthrough design. This component has a package weight of 0.10 lbs and was released on January 23, 2015, with its lifecycle status subject to current manufacturer documentation. Submit the exact part number, quantity, and application requirements to request a quote.

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Why no listed price?

Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Thorlabs references — within one business day.

Manufacturer
Thorlabs
Part number
EF501
Product series
Low-Pass Electrical Filter, ≤10 MHz Passband, Coaxial BNC Feedthrough
Data verification
Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to EF501.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Product Name
Low-Pass Electrical Filter, ≤10 MHz Passband, Coaxial BNC Feedthrough
Lifecycle Status
Refer to current manufacturer documentation
Release Date
January 23, 2015
Package Weight
0.10 lbs Each

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Thorlabs EF501. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.