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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
Reference imageConfirm configuration by manufacturer part number.
Thorlabs
EF503
Thorlabs EF503 — High-Pass Electrical Filter, >220 kHz Passband, Coaxial BNC Feedthrough
The Thorlabs EF503 is a coaxial BNC feedthrough high-pass electrical filter featuring a >220 kHz passband, released on February 27, 2015. Each unit of this component has a package weight of 0.10 lbs, with lifecycle status referenced to current manufacturer documentation. Please submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy 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
- EF503
- Product series
- High-Pass Electrical Filter, >220 kHz 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 EF503.
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
- High-Pass Electrical Filter, >220 kHz Passband, Coaxial BNC Feedthrough
- Lifecycle Status
- Refer to current manufacturer documentation
- Release Date
- February 27, 2015
- Package Weight
- 0.10 lbs Each
Engineering context
Identification and RFQ Guidance
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 EF503. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.