SMT Equipment

Harwin M300 – Power High Rel Connectors

Company Information:

With more than 60 years history of successfully manufacturing electronic components Harwin has an active portfolio of over 50,000 highly reliable interconnects and PCB hardware items.

Portsmouth, United Kingdom


  • Phone +44 (0) 2392 314 545
  • Fax +44 (0) 2392 314 590

See Supplier Website »

Company Postings:

(8) products in the catalog

Harwin M300 – Power High Rel Connectors

Harwin M300 – Power High Rel Connectors


Harwin M300 – Power High Rel Connectors



Offered by:



Harwin M300 – Power High Rel Connectors Description:

New 10A hi-rel power connector from Harwin handles up to 175 degrees C - Extremely durable, designed for harsh environments.

Harwin have expanded their High Reliability family to include high density power connectors, that can handle currents up to 10A. Based on a 3mm pitch, the new M300 connectors are designed for rugged environments and withstand twice the number of operations as older generation products.

  • Pin spacing of 3.00mm
  • Available in 3-contact Single row, or 6-contact Double row
  • 10A per contact (5A for 22AWG cable)
  • Operating Temperature: -65 to +175°C

Comments Scott Flower, Hi-Rel Product Manager: “An increasing number of customers in applications such as defence and commercial aircraft, industrial, oil and gas exploration, satellites and UAVs are demanding a durable power connector system, that delivers high performance and extreme temperature tolerance in the 5-10 Amp range.”

High-Reliability Performance

M300 connectors feature a 4-fingered Beryllium Copper female contact which delivers superb electrical and mechanical performance. Devices suit 18 to 22AWG applications, and are designed for use in temperatures between -65 and +175°C. Mating operations are rated for 1,000 cycles. They pass Shock (EIA-364-27: 100g 6ms No Discontinuity >1µs) and Vibration (EIA-364-28 10g No Discontinuity >1µs) testing. Jackscrews are available for extra security on the cable connectors.

Other features include keyway polarisation and identification of the #1 position, and the connector bodies are molded in environmentally-friendly material.

Support from Harwin

To aid design activities, Harwin provides CAD models and test reports, and live technical support is always available.

Free Samples Available!

Harwin M300 – Power High Rel Connectors was added in Apr 2015

Harwin M300 – Power High Rel Connectors has been viewed 526 times

7 More Products from HARWIN :

SMT Spare Parts and Feeders

IPC Training & Certification - Blackfox