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| Part Number | SI3452A-B01-IM | SI3452-B01-IM | SI3452A-B01-GM | 
|---|---|---|---|
| Manufacturer | Skyworks Solutions Inc. | Skyworks Solutions Inc. | Skyworks Solutions Inc. | 
| Product Status | Obsolete | Obsolete | Obsolete | 
| Type | Controller (PSE) | Controller (PSE) | Controller (PSE) | 
| Number of Channels | 4 | 4 | 4 | 
| Power - Max | 40 W | 40 W | 40 W | 
| Internal Switch(s) | Yes | Yes | Yes | 
| Auxiliary Sense | No | No | No | 
| Standards | 802.3at (PoE+), 802.3af (PoE) | 802.3at (PoE+), 802.3af (PoE) | 802.3at (PoE+), 802.3af (PoE) | 
| Voltage - Supply | 45V ~ 57V | 45V ~ 57V | 45V ~ 57V | 
| Current - Supply | 3.7mA | 3.7mA | 3.7mA | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 40-VFQFN Exposed Pad | 40-VFQFN Exposed Pad | 40-VFQFN Exposed Pad | 
| Supplier Device Package | 40-QFN (6x6) | 40-QFN (6x6) | 40-QFN (6x6) |