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| Mounting Type | Surface Mount |
| Package / Case | 40-VFQFN Exposed Pad |
| Supplier Device Package | 40-QFN (6x6) |
| Package | Tray |
| Base Product Number | SI3453 |
| Mfr | Skyworks Solutions Inc. |
| Product Status | Obsolete |
| Operating Temperature | -40°C ~ 85°C |
| Series | - |
| Type | Controller (PSE) |
| Voltage - Supply | 45V ~ 57V |
| Number of Channels | 4 |
| Power - Max | 40 W |
| Current - Supply | 4mA |
| Internal Switch(s) | Yes |
| Standards | 802.3at (PoE+), 802.3af (PoE) |
| Auxiliary Sense | No |
| Factory Lead Time | 8 Weeks |
| Surface Mount | YES |
| Number of Pins | 40 |
| Operating Temperature | -40°C~85°C |
| Packaging | Tray |
| Published | 1999 |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Number of Terminations | 40 |
| Max Power Dissipation | 40W |
| Voltage - Supply | 45V~57V |
| Terminal Position | QUAD |
| Number of Functions | 1 |
| Supply Voltage | 3.3V |
| Terminal Pitch | 0.5mm |
| Base Part Number | SI3453 |
| Pin Count | 40 |
| Operating Supply Current | 4mA |
| Max Output Power | 40W |
| Length | 6mm |
| Height Seated (Max) | 0.9mm |
| Width | 6mm |
| RoHS Status | RoHS Compliant |
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