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| Part Number | FSUSB45UMX | FSUSB46UMX | FSUSB40UMX | FSUSB42UMX |
|---|---|---|---|---|
| Manufacturer | onsemi | Fairchild Semiconductor | Fairchild Semiconductor | onsemi |
| Product Status | Last Time Buy | Active | Active | Active |
| Applications | USB | USB | USB | USB |
| Multiplexer/Demultiplexer Circuit | - | 2:1 | - | - |
| Switch Circuit | DPDT | DPST | DPDT | DPDT |
| Number of Channels | 1 | 1 | 1 | 1 |
| On-State Resistance (Max) | 6.5Ohm | 6.5Ohm | 6.5Ohm | 6.5Ohm |
| Voltage - Supply, Single (V+) | 3V ~ 4.3V | 3V ~ 4.3V | 3V ~ 4.3V | 2.4V ~ 4.4V |
| Voltage - Supply, Dual (V±) | - | - | - | - |
| -3db Bandwidth | 720MHz | 720MHz | 720MHz | 720MHz |
| Features | Break-Before-Make, USB 2.0 | Break-Before-Make, USB 2.0 | Break-Before-Make, USB 2.0 | Break-Before-Make, USB 2.0 |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 10-UFQFN | 8-UFQFN | 10-UFQFN | 10-UFQFN |
| Supplier Device Package | 10-UMLP (1.8x1.4) | 8-UQFN (1.4x1.2) | 10-UMLP (1.8x1.4) | 10-UMLP (1.8x1.4) |
