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LTC4257IS8#PBF
Purchase
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can track your order in real time.
For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.
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prices and inventories about the part.
Our sales will reply to
your request by email within 24 hours.
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(Please remember to check the spam folder if you didn't hear from us).
2. Since inventories and prices may fluctuate to some
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are any updates.
Shipping Cost
Shipping starts at $40, but some countries will exceed $40. For
example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The
basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and
country.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
Delivery TimeOnce the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
The following are some common countries' logistic time.
| Parameters | |
|---|---|
| Factory Lead Time | 8 Weeks |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Surface Mount | YES |
| Operating Temperature | -40°C~85°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) |
| 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 |
| Power - Max | 12.95W |
| Current - Supply | 3mA |
| Internal Switch(s) | Yes |
| Number of Transceivers | 4 |
| Standards | 802.3af (PoE) |
| Auxiliary Sense | No |
| Length | 4.9025mm |
| Width | 3.899mm |
| RoHS Status | ROHS3 Compliant |
LTC4257IS8#PBF Overview
It is embedded in the Tube package.In other words, 8-SOIC (0.154, 3.90mm Width) refers to the way in which it is packaged.PoE controller type Controller (PD).The number of channels is growing strong/weak: 1.In order to maintain reliability, PoE operates at a temperature of -40°C~85°C.A 57V Max voltage is used to supply power to this electrical Po E controller.An associated part can be established based on the base part number LTC4257.A 8 termination involves terminating a transmission line with a power over ethernet controller whose characteristic impedance matches the line's.It is capable of producing 12.95W Watts of power at its maximum.As you can see from the image, it is equipped with 8 pin count.Current supplied to the load equals 3mA.During reflowing of the electrical ethernet power controller, the peak temperature (Cel) reaches 260 °C.
LTC4257IS8#PBF Features
Tube package
8 pin count
LTC4257IS8#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC4257IS8#PBF Power Over Ethernet (PoE) Controllers applications.
- Routers
- High Power Wireless Data Systems
- Industrial Automation Equipment
- Midspan Applications
- Dual Signature PD/Forced UPOE
- POS Terminals
- Internet Appliances
- PoE powered device appliances
- WLAN Access Points
- Non-Compliant, Application Specific Devices