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ManufacturerBOURNS
Manufacturer Part NoMF-USML500/12-2
Order Code
Re-Reel3052078RL
Cut Tape3052078
Product RangeMultifuse MF-USML/X
Your Part Number
3,500 In Stock
7,000 more incoming. You can reserve stock now
3500 Delivery in 5-6 Business Days(UK stock)
Packaging Options
| Packaging Type | Quantity | Unit Price: | Total |
|---|---|---|---|
| Cut Tape | 5 | CNY4.510 | CNY22.55 |
Cut Tape & Re-Reel
| Quantity | Price (inc GST) |
|---|---|
| 5+ | CNY4.510 (CNY5.0963) |
| 50+ | CNY4.360 (CNY4.9268) |
| 250+ | CNY4.160 (CNY4.7008) |
| 500+ | CNY3.770 (CNY4.2601) |
| 1500+ | CNY3.560 (CNY4.0228) |
| 3500+ | CNY2.950 (CNY3.3335) |
Line Note
Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
Product Information
ManufacturerBOURNS
Manufacturer Part NoMF-USML500/12-2
Order Code
Re-Reel3052078RL
Cut Tape3052078
Product RangeMultifuse MF-USML/X
Technical Datasheet
PPTC Case Style1210 (3225 Metric)
Product RangeMultifuse MF-USML/X
Voltage Rating12VDC
Holding Current5A
Trip Current10A
Time to Trip2s
Current Rating Max50A
Operating Temperature Min-40°C
Operating Temperature Max85°C
Automotive Qualification Standard-
SVHCNo SVHC (04-Feb-2026)
Product Overview
The MF-USML500/12-2 is a low-ohmic, surface-mount PTC resettable fuse from the Bourns MF-USML series. It is designed for overcurrent protection in circuits up to 12 V, offering ultra-low resistance and fast response for high-current applications. This component is RoHS compliant, halogen-free, and meets AEC-Q200 automotive qualification standards.
- Type: Surface-mount device
- Series: MF-USML (Low Ohmic PTC Resettable Fuses)
- Rated Voltage (Vmax): 12V
- Maximum Current (Imax): 50A
- Hold Current (Ihold): 5A at 23°C
- Trip Current (Itrip): 10A at 23°C
- Initial Resistance: 0.001Ω (min), 0.012 Ω (max)
- Max Time to Trip: 2.0s at 23 °C
- Power Dissipation (Tripped): 1.2W
- Operating Temperature Range: −40°C to +85°C
- Maximum Surface Temperature (Tripped): 125°C
- Material: ENIG-plated terminals
Technical Specifications
PPTC Case Style
1210 (3225 Metric)
Voltage Rating
12VDC
Trip Current
10A
Current Rating Max
50A
Operating Temperature Max
85°C
SVHC
No SVHC (04-Feb-2026)
Product Range
Multifuse MF-USML/X
Holding Current
5A
Time to Trip
2s
Operating Temperature Min
-40°C
Automotive Qualification Standard
-
Technical Docs (2)
Legislation and Environmental
Country of Origin:
Country in which last significant manufacturing process was carried outCountry of Origin:China
Country in which last significant manufacturing process was carried out
Country in which last significant manufacturing process was carried outCountry of Origin:China
Country in which last significant manufacturing process was carried out
Tariff No:85361010
US ECCN:EAR99
EU ECCN:NLR
RoHS Compliant:Yes
RoHS
RoHS Phthalates Compliant:Yes
RoHS
SVHC:No SVHC (04-Feb-2026)
Download Product Compliance Certificate
Product Compliance Certificate
Weight (kg):.000049
