Bourns Inc.United States
PTC RESET FUSE 30V 3A RADIAL
Bourns MF-R300 is a radial leaded PTC resettable fuse with 30V max voltage, 3A hold current, and 6A trip current. It is AEC-Q200 automotive grade compliant, RoHS compliant, and halogen free.Checked against the datasheet
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View full reportTechnical parameters
Datasheet-verified parameters
17 items| Parameter | Value and test conditions | Source |
|---|---|---|
| Maximum Voltage | 30 Volts | |
| Maximum Current | 40 Amps | |
| Hold Current | 3.00 Amps at 23 °C | |
| Trip Current | 6.00 Amps at 23 °C | |
| Initial Resistance | Min. 0.020 Ohms, Max. 0.05 Ohms at 23 °C | |
| 1 Hour Post-Trip Resistance | Max. 0.08 Ohms at 23 °C |
All parameters (22)
| Power | |
|---|---|
| Current - Hold (Ih) (Max) | 3 A |
| Current - Max | 40 A |
| Current - Trip (It) | 6 A |
| Voltage - Max | 30V |
| Environment and package | |
| Height - Seated (Max) | 0.720" (18.30mm) |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C~85°C |
| Package | Bulk |
| Package / Case | Radial, Disc |
| Size / Dimension | 0.472" L x 0.118" W (12.00mm x 3.00mm) |
| Other | |
| Approval Agency | cURus, TUV |
| Base Product Number | MF-R3 |
| Lead Spacing | 0.201" (5.10mm) |
| Mfr | Bourns Inc. |
| Product Status | Active |
| Ratings | - |
| Resistance - Initial (Ri) (Min) | 20 mOhms |
| Resistance - Post Trip (R1) (Max) | 80 mOhms |
| Series | Multifuse®, MF-R |
| Thickness (Max) | - |
| Time to Trip | 10.8 s |
| Type | Polymeric |
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Datasheet-verified content is extracted by AI from the manufacturer datasheet. Click a page number to view the original.