Specifications
| Attribute | Value |
| Supplier | Littelfuse Inc. |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | PolySwitch®, SMD |
| Part Status | Active |
| Type | Polymeric |
| Voltage - Max | 6V |
| Current - Max | 40 A |
| Current - Hold(Ih)(Max) | 3 A |
| Current - Trip(It) | 6 A |
| Timeto Trip | 35 s |
| Resistance - Initial(Ri)(Min) | 15 mOhms |
| Resistance - Post Trip(R1)(Max) | 48 mOhms |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Size / Dimension | 0.290 L x 0.202 W (7.36mm x 5.12mm) |
| Thickness(Max) | 0.118 (3.00mm) |
Overview
Description
I’m not sure which product you mean by SMD300F-2. Could you share the manufacturer or the intended application (e.g., servo drive, sensor, power module)? With that, I can give a precise intro.
If you’d like a quick generic intro you can adapt:
The SMD300F-2 is a compact electronic module intended for embedded control and power management. It typically combines power conversion or processing elements in a surface-mount package and provides standard interfaces (I/O, communications) for industrial or commercial use. Key features often include a small form factor, defined voltage/current ratings, protection (overcurrent/overtemperature), and status indicators. It’s used in automation, instrumentation, or OEM equipment. For accurate details, please refer to the manufacturer’s datasheet for the exact part revision.
If you’d like a quick generic intro you can adapt:
The SMD300F-2 is a compact electronic module intended for embedded control and power management. It typically combines power conversion or processing elements in a surface-mount package and provides standard interfaces (I/O, communications) for industrial or commercial use. Key features often include a small form factor, defined voltage/current ratings, protection (overcurrent/overtemperature), and status indicators. It’s used in automation, instrumentation, or OEM equipment. For accurate details, please refer to the manufacturer’s datasheet for the exact part revision.
Equivalent
I can’t locate a chip named SMD300F-2 in standard catalogs. To propose equivalents, please share the datasheet or at least its function and key specs (type, voltage/current range, package). With that, I can suggest exact cross-references from TI, Analog Devices, ON Semiconductor, NXP, etc.
Package
I can’t determine the package type for SMD300F-2 without the manufacturer/datasheet. The same part number can use different packages. Please provide the supplier or a datasheet link (or specify the device type); I’ll extract the exact package (e.g., SOP, QFN, D‑Pak, etc.).
