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| Factory Lead Time | 10 Weeks |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Surface Mount | YES |
| Operating Temperature | 0°C~70°C |
| Packaging | Tape & Reel (TR) |
| Published | 2005 |
| JESD-609 Code | e3 |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 8 |
| ECCN Code | EAR99 |
| Type | Controller (PD) |
| Terminal Finish | Matte Tin (Sn) |
| Additional Feature | REQUIRES A NEGATIVE SUPPLY OF 48V |
| Voltage - Supply | 57V Max |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Base Part Number | LTC4257 |
| Pin Count | 8 |
| JESD-30 Code | R-PDSO-G8 |
| Number of Channels | 1 |
| Adjustable Threshold | NO |
| Power - Max | 12.95W |
| Current - Supply | 3mA |
| Internal Switch(s) | Yes |
| Standards | 802.3af (PoE) |
| Auxiliary Sense | No |
| Length | 4.9025mm |
| Width | 3.899mm |
| RoHS Status | ROHS3 Compliant |
LTC4257CS8-1#TRPBF Datasheet
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