RS PRO, 100Ω 300W Wire Wound Chassis Mount Resistor ±5%

Bulk discount available

Subtotal (1 unit)*

£55.48

(exc. VAT)

£66.58

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 8 unit(s) ready to ship
  • Plus 60 unit(s) shipping from 11 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 - 4£55.48
5 - 9£51.60
10 - 24£47.72
25 - 49£43.82
50 +£39.40

*price indicative

RS Stock No.:
185-2323
Brand:
RS PRO
Find similar products by selecting one or more attributes.
Select all

Brand

RS PRO

Resistance

100Ω

Power Rating

300W

Series

R300

Package/Case

Aluminium Housed

Tolerance

±5%

Technology

Wire Wound

Termination Style

Wire Lead

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

+250°C

Minimum Temperature Coefficient

-200ppm/°C

Maximum Temperature Coefficient

+200ppm/°C

Dimensions

215 x 60 x 30mm

Overall Length

215mm

Overall Height

30mm

Overall Width

60mm

COO (Country of Origin):
IN

RS PRO Metal Clad Braking Resistor


The RS PRO R300 series resistor has a resistance of 100ohm and 300W power rating. It has an aluminium housing with ±5% tolerance. This metal encased braking resistor is designed for direct heat sink attachment.

Features and Benefits


• Heat sink mountable for increased power dissipation
• High power density
• Operating temperature coefficient ranges between -200ppm/°C and 200ppm/°C
• Operating temperature is between -25°C and 250°C
• Wire lead terminal

Certifications


• UL approved
• RoHS compliant

Related links