LTC4257CS8-1#PBF
RoHS 
RoHS compliant
RoHS compliantPackage 8-SOIC (0.154, 3.90mm Width)
Category Integrated Circuits (ICs) / PMIC - Power Over Ethernet (PoE) Controllers
Description
LTC4257 Active Tube REQUIRES A NEGATIVE SUPPLY OF 48V power over ethernet controller 3mA 4.9025mm 57V Max 12.95W
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Buying Options
Total Price: USD $3.04
Unit Price: USD $3.036
≥1 USD $3.036
≥10 USD $2.72888
≥100 USD $2.579808
≥500 USD $2.235816
≥1000 USD $2.121126
≥3000 USD $1.903282
Inventory: 213
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 8 Weeks
Physical
Package / Case 8-SOIC (0.154, 3.90mm Width)
Surface Mount YES
Technical
Operating Temperature 0°C~70°C
Packaging Tube
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
Subcategory Power Management Circuits
Technology CMOS
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
Supply Current-Max (Isup) 3mA
Internal Switch(s) Yes
Standards 802.3af (PoE)
Auxiliary Sense No
Dimensions
Length 4.9025mm
Width 3.899mm
Compliance
RoHS Status ROHS3 Compliant
Alternative Model
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