Bourns Inc. MF-R300 PTC Resettable Fuses 30V 3A 40A
MF-R300
337-157-MF-R300
Radial, Disc
RoHS Compliant
Hold Current: 3A,Voltage - Rated DC: 30V,Current Rating: 3A,Max Current Rating: 40A
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MF-R300 Tech Specifications
Bourns MF-R300 technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs SI1084-A-GM.
| Product Attribute | Attribute Value | |
|---|---|---|
| Category | PTC Resettable Fuses | |
| Manufacturer | Bourns | |
| Factory Lead Time | 7 Weeks | |
| Contact Plating | Tin | |
| Mount | PCB, Through Hole | |
| Mounting Type | Through Hole | |
| Package / Case | Radial, Disc | |
| Terminal Shape | WIRE | |
| Body Material | Polymer | |
| Operating Temperature | -40°C~85°C | |
| Packaging | Bulk | |
| Series | Multifuse®, MF-R | |
| Published | 2003 | |
| Size / Dimension | 0.472Lx0.118W 12.00mmx3.00mm | |
| JESD-609 Code | e3 | |
| Pbfree Code | yes | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Number of Terminations | 2Terminations | |
| Termination | Radial | |
| Type | Polymeric | |
| Resistance | 50mOhm | |
| Voltage - Rated DC | 30V | |
| Max Power Dissipation | 2W | |
| Terminal Pitch | 5.1mm | |
| Current Rating | 3A |
| Product Attribute | Attribute Value | |
|---|---|---|
| Voltage - Rated AC | 30V | |
| Approval Agency | cURus, TUV | |
| Lead Pitch | 5.1mm | |
| Lead Length | 7.6mm | |
| Operating Supply Voltage | 30V | |
| Lead Spacing | 0.201 5.10mm | |
| Lead Diameter | 810 μm | |
| Max Current Rating | 40A | |
| Power Dissipation | 2W | |
| Wire/Cable Diameter | 810 μm | |
| Hold Current | 3A | |
| Thermistor Application | TEMPERATURE SENSING | |
| Time to Trip | 10.8s | |
| Resistance - Initial (Ri) (Min) | 20mOhm | |
| Resistance - Post Trip (R1) (Max) | 80mOhm | |
| Trip Current | 6A | |
| Ambient Temperature Range High | 85°C | |
| Height | 18.3mm | |
| Height Seated (Max) | 0.720 18.30mm | |
| Thickness | 3mm | |
| REACH SVHC | No SVHC | |
| Radiation Hardening | No | |
| RoHS Status | ROHS3 Compliant | |
| Flammability Rating | UL94 V-0 | |
| Lead Free | Lead Free |
MF-R300 Documents
Download datasheets and manufacturer documentation for MF-R300
Datasheets
MF-R Series MF-R300-Bourns-datasheet-17703189.pdf MF-R300-Bourns-datasheet-10979138.pdf MF-R300-Bourns-datasheet-8638414.pdf MF-R300-Bourns-datasheet-94104129.pdf MF-R300-Bourns-datasheet-6230.pdf MF-R300-Bourns-datasheet-18068.pdfEnvironmental Information
MF-R Series Material DeclarationPCN Design/Specification
MF Cert Mark Aug/2015ConflictMineralStatement
Bourns-company-36.pdfMfg CAD Models
MF-R300.stp
Others include "MF-R3" parts
The following parts include 'MF-R3'
| Part # | Manufacturer | Package | Availability |
|---|---|---|---|
| MF-R700 | Bourns Inc. | Radial, Disc | 478 |
| MF-R020 | Bourns Inc. | Radial, Disc | 2500 |
| MF-R090 | Bourns Inc. | Radial, Disc | 5892 |
| MF-R135 | Bourns Inc. | Radial, Disc | 76500 |
| MF-R600 | Bourns Inc. | Radial, Disc | 1974 |
| MF-R500 | Bourns Inc. | Radial, Disc | 3450 |
| MF-R400 | Bourns Inc. | Radial, Disc | 3826 |
| MF-R075 | Bourns Inc. | Radial, Disc | 4000 |
| MF-R017 | Bourns Inc. | Radial, Disc | 2275 |
| MF-R065 | Bourns Inc. | Radial, Disc | 4882 |
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Alternate Products
| Part # | Manufacturer | Description | Package | RoHS | |
|---|---|---|---|---|---|
 | MF-R300 | Bourns Inc. | PTC RESET FUSE 30V 3A RADIAL | Radial, Disc | |
| MF-R300-AP | Bourns Inc. | PTC RESET FUSE 30V 3A RADIAL | Radial, Disc | |
| MF-R300-2 | Bourns Inc. | PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm T/R | Radial, Disc | |
 | 0ZRB0300FF1A | Bel Fuse Inc. | PTC RESET FUSE 30V 3A RADIAL | Radial, Disc | |
| MF-R300-0-99 | Bourns Inc. | PTC RESET FUSE 30V 3A RADIAL | Radial, Disc |
Related Parts
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Shopping Guide
Shipping | Delivery Period | Packages will be arranged for delivery within 1-2 days from the date of all items arrive at our warehouse. In stock items can be shipped out within 24 hours. Delivery Time depends on Shipping Method and Delivery Destinations. |
Shipping Rate | Shipping rate is based on size, weight, destination of the package. MOST offers competitive shipping options through top carriers DHL, FedEx and UPS. We also offer shipping account services for customers who wish to be billed directly for shipping. | |
Shipping Methods | | |
Shipping Tracking | Once the components are delivered, the tracking number will be notified via email immediately. The tracking number also could be found in order history. | |
Returning | Returning | All returns should be made within 60 days of date of invoice and be accompanied by the original invoice number, certificate of guarantee card, parts picture and a brief explanation or test report of the reason for the return. Returns will not be accepted after 60 days. Returned merchandise must be in original packaging and in resalable condition. Parts returned due to customer error at time of quote or sale will not be accepted. Please contact customer service for a return authorization before return shipment. |
Ordering | How to Buy | Online and offline orders both are available. Please find the order process guidance from below link: If you have any operation issue, please feel free to contact with our customer service. |
Payment | TT in advance (bank transfer), Western Union, Credit card, PayPal. Customer is responsible for shipping fee, bank charges, duties and taxes. |
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MF-R300 Comments
109 reviews
2021-06-11 00:00:00
The product descriptions are detailed and accurate, helping me make informed decisions.
2021-06-10 00:00:00
Buying electronic components from Jakelectronic has always been very satisfactory, with first-class quality and service
2021-06-09 00:00:00
This has surpassed my expectations. Excellent product for the price.
2021-06-04 00:00:00
Jakelectronics demonstrated reliability as a supplier, although opportunities for improvement in certain areas were apparent.
2021-04-24 00:00:00
The price is good.
2021-03-23 00:00:00
As an electronics enthusiast, jak is a good platform for me.
2021-03-13 00:00:00
A good choice for purchasing components.
2021-03-13 00:00:00
The reliability of their products has earned my trust as a customer.
2021-03-12 00:00:00
The quality of their components has helped improve the performance of my projects.
2021-03-03 00:00:00
Their attention to detail in packaging ensures that products arrive safely and intact.