RS PRO, 2.2 Ω 300 W Aluminium Chassis Mount Resistor ±5 %
- RS Stock No.:
- 185-2289
- Brand:
- RS PRO
Bulk discount available
Subtotal (1 unit)*
£53.00
(exc. VAT)
£63.60
(inc. VAT)
FREE delivery for orders over £60.00
In Stock
- Plus 24 unit(s) shipping from 04 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 4 | £53.00 |
| 5 - 9 | £51.58 |
| 10 - 19 | £50.24 |
| 20 + | £48.98 |
*price indicative
- RS Stock No.:
- 185-2289
- Brand:
- RS PRO
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | RS PRO | |
| Product Type | Chassis Mount Resistor | |
| Resistance | 2.2Ω | |
| Power Rating | 300W | |
| Series | R300 | |
| Package/Case | Aluminium | |
| Temperature Coefficient | +100 ppm/°C | |
| Tolerance | ±5 % | |
| Technology | Aluminium | |
| Automotive Standard | No | |
| Termination Style | Wire | |
| Minimum Operating Temperature | -25°C | |
| Overall Length | 210mm | |
| Maximum Operating Temperature | 250°C | |
| Overall Width | 80mm | |
| Overall Height | 10mm | |
| Standards/Approvals | UL, RoHS | |
| Select all | ||
|---|---|---|
Brand RS PRO | ||
Product Type Chassis Mount Resistor | ||
Resistance 2.2Ω | ||
Power Rating 300W | ||
Series R300 | ||
Package/Case Aluminium | ||
Temperature Coefficient +100 ppm/°C | ||
Tolerance ±5 % | ||
Technology Aluminium | ||
Automotive Standard No | ||
Termination Style Wire | ||
Minimum Operating Temperature -25°C | ||
Overall Length 210mm | ||
Maximum Operating Temperature 250°C | ||
Overall Width 80mm | ||
Overall Height 10mm | ||
Standards/Approvals UL, RoHS | ||
RS PRO Braking Resistor
The RS PRO R300 series aluminium housed braking resistor has a resistance of 2.2ohm and power rating value of 300W. Its dimensions are 210mm x 80mm x 10mm (L x W x H). This high-quality wire lead resistor is designed for direct heat sink attachment.
Features and Benefits
• High power density
• Low profile
• Heat sink mountable for increased power dissipation
• Operating temperature ranging between -25°C and 250°C
• Temperature coefficient ranging between -100ppm/°C and 100ppm/°C
• Tolerance: ±5%
• Dielectric strength: 1500VAC-rms for 1 minute
• Minimum insulation resistance: 500Mohm
Certifications
• UL approved (cables)
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