emcfix Shop
KEN-137 Ethernet Filter – Engineering Evaluation
KEN-137 Ethernet Filter – Engineering Evaluation
This revision is not suitable for standard powered PoE links. Request an application review before ordering.
Discuss this filter
Tell us about your Ethernet connection and noise problem. We will review the application and suitable options before any order.
Product: KEN-137 Ethernet Filter – Engineering Evaluation
Need help choosing or buying larger quantities? Ask an EMC engineer
We aim to reply within 24 hours of receiving your enquiry.
Product details
A passive filter for investigating cable-borne noise on unpowered 10/100 Mbps Ethernet links during engineering development.
At a glance
- Unpowered 10/100 Mbps evaluation
- Two female RJ45 connectors
- Passive filtering network
PoE must be disabled. The filter does not provide galvanic isolation; check link operation and EMC behaviour in the complete setup.
This revision is not suitable for standard powered PoE links. Request an application review before ordering.
Compare the Ethernet filters to match the data rate and power requirements of your equipment.

Questions about this product
Which data rates does KEN-137 support?
Which data rates does KEN-137 support?
The documented design is for 10 and 100 Mbps data. Its spare-pair connections are incompatible with four-pair Gigabit Ethernet.
Can this revision be used on standard powered PoE links?
Can this revision be used on standard powered PoE links?
No. The reviewed design has a component-rating conflict in its spare-pair power path. This revision is not offered as a standard PoE or PoE+ accessory. Request an application review before ordering.
How can I discuss an Ethernet filtering application?
How can I discuss an Ethernet filtering application?
Use the enquiry form with your host and device, required data rate, cable arrangement and noise problem. Include any powered-link requirements so that a suitable approach can be assessed.
Can you help with larger quantities or product selection?
Can you help with larger quantities or product selection?
Yes. Contact us with the product, quantity and intended application. We can discuss suitability and prepare a quotation for your requirements.