Bulk discount available
Subtotal (1 pack of 5 units)*
£1.38
(exc. VAT)
£1.655
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 50 unit(s) shipping from 09 February 2026
- Plus 110 unit(s) shipping from 09 February 2026
- Plus 215 unit(s) shipping from 16 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 5 - 120 | £0.276 | £1.38 |
| 125 - 495 | £0.22 | £1.10 |
| 500 - 1245 | £0.214 | £1.07 |
| 1250 - 2495 | £0.208 | £1.04 |
| 2500 + | £0.204 | £1.02 |
*price indicative
- RS Stock No.:
- 691-7569
- Mfr. Part No.:
- MF-RX050/72-0
- Brand:
- Bourns
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Bourns | |
| Product Type | Resettable Fuse | |
| Trip Current | 1A | |
| Voltage | 72 V | |
| Current Rating | 40 A | |
| Time to Trip | 4s | |
| Hold Current | 0.5A | |
| Length | 7.9mm | |
| Height | 13.7mm | |
| Width | 3.1 mm | |
| Minimum Resistance | 0.41Ω | |
| Minimum Operating Temperature | -40°C | |
| Maximum Resistance | 1.17Ω | |
| Power Dissipation | 0.75W | |
| Maximum Operating Temperature | 85°C | |
| Standards/Approvals | UL, RoHS | |
| Series | MF-RX/72 | |
| Lead Orientation | Radial | |
| Lead Diameter | 0.51mm | |
| Select all | ||
|---|---|---|
Brand Bourns | ||
Product Type Resettable Fuse | ||
Trip Current 1A | ||
Voltage 72 V | ||
Current Rating 40 A | ||
Time to Trip 4s | ||
Hold Current 0.5A | ||
Length 7.9mm | ||
Height 13.7mm | ||
Width 3.1 mm | ||
Minimum Resistance 0.41Ω | ||
Minimum Operating Temperature -40°C | ||
Maximum Resistance 1.17Ω | ||
Power Dissipation 0.75W | ||
Maximum Operating Temperature 85°C | ||
Standards/Approvals UL, RoHS | ||
Series MF-RX/72 | ||
Lead Orientation Radial | ||
Lead Diameter 0.51mm | ||
MF-RX/72 Series
Applications include almost anywhere there is a low voltage power supply, up to 72 V and a load to be protected, e.g. security and fire alarm systems, loudspeakers and power transformers.
72V rated
Radial leaded devices
Cured, flame retardant epoxy polymer insulating material meets UL 94V-0 requirements
PCB Wire Ended
All are UL, CSA, TUV approved
Protection of electrical and electronic circuits against excessive currents
Rapid switch from low resistance state to very high resistance with electrical overload or short circuit
Quick and automatic reset and return to low resistance state when fault condition corrected and power removed
Features:
Automatically resets itself thousands of times
Maintenance free
Small size and no fuseholder required
Main applications:
Security systems
Power supplies and transformers
Power switching devices
Automotive and medical equipment
Instrumentation and control
Computers and peripherals
Audio Visual and telecommunications
Approvals
UL