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Product Overview
Digi-Key Part Number LTC4257IDD#PBF-ND
Quantity Available 729
Can ship immediately

Manufacturer Part Number


Description Power Over Ethernet Controller 1 Channel 802.3af (PoE) 8-DFN (3x3)
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 6 Weeks
Documents & Media
Datasheets LTC4257
Product Training Modules Power over Ethernet Overview
EDA / CAD Models ? Download from Accelerated Designs
Product Attributes Select All

Integrated Circuits (ICs)


PMIC - Power Over Ethernet (PoE) Controllers


Linear Technology

Series -
Packaging ? Tube ?
Part Status Active
Type Controller (PD)
Number of Channels 1
Power - Max 12.95W
Internal Switch(s) Yes
Auxiliary Sense No
Standards 802.3af (PoE)
Voltage - Supply 57V (Max)
Current - Supply 3mA
Operating Temperature -40°C ~ 85°C
Package / Case 8-WFDFN Exposed Pad
Supplier Device Package 8-DFN (3x3)
For Use With
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Additional Resources
Standard Package ? 121

11:08:56 10/24/2016

Price & Procurement

All prices are in CAD.
Price Break Unit Price Extended Price
1 5.49000 5.49
25 3.91280 97.82
100 3.22050 322.05

Submit a request for quotation on quantities greater than those displayed.

Alternate Package | This part is also available in the following packaging:
  • Tape & Reel (TR) ? : LTC4257IDD#TRPBF-ND
  • Minimum Quantity: 2,500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 3.36180
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