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参数资料
| 型号： | STF201-22.TC |
| 英文描述： | Semiconductor Fuse; Current Rating:50A; Voltage Rating:250V; Fuse Type:Fast Acting; Fuse Terminals:Blade; Diameter:20.6mm; Length:81mm; Series:L25S; Voltage Rating:250V |
| 中文描述： | 抑癌电路|的TSOP | 6针|塑料 |
| 文件页数： | 1/7页 |
| 文件大小： | 134K |
| 代理商： | STF201-22.TC |
PROTECTION PRODUCTS
Description
The STF201 is a combination EMI filter and line termi-
nation device with integrated TVS diodes for use on
downstream USB ports. It is constructed using a
proprietary technology that allows passive components
and TVS diodes to be integrated in the same package.
Each device will provide
termination
,
filtering
, and
ESD
protection
for one downstream USB port. The STF201
is an easily implemented solution for meeting the
requirements of revision 1.1 of the Universal Serial Bus
specification.
USB line termination is achieved with series 22
or
30
resistors on both the D+ and D- USB lines. These
resistors preserve signal integrity by matching the cable
impedance to that of the differential driver. The 15k
pull-down resistors complete the termination circuit on
each line. They are required by the USB specification
to identify the line as a downstream connection. The
47pF capacitors are used to bypass high frequency
energy to ground and for edge rate control of the USB
signals. Finally, the STF201 contains TVS diodes for
ESD protection of both (D+ & D-) data lines and the
voltage bus (V
). The TVS diodes provide effective
suppression of ESD voltages in excess of 15kV (air
discharge) and 8kV (contact discharge) per IEC 61000-
4-2, level 4.
The small size and integrated feature of the STF201
minimizes required board space and increases system
reliability. The pin-out of the device allows easy imple-
mentation. The STF201 is suitable for use in USB
hubs, computers, peripherals, and portable devices.
1
www.semtech.com
STF201-22 & STF201-30
USB Downstream Port Filter & TVS
For EMI Filtering and ESD Protection
Features
!
Bidirectional EMI/RFI filtering and line termination
with integrated ESD protection
!
ESD protection for USB power (V
) and data lines
(D+ & D-) to
IEC 61000-4-2 Level 4
!
Filtering and termination for two USB data lines
!
Different series resistors for impedance matching
!
Low TVS operating voltage (5.25V)
!
Low leakage current
!
Low capacitance
!
Solid-state technology
Schematic & Pin Configuration
Revision 4/19/01
Applications
!
USB Hubs
!
Portable electronics
!
Printers
!
Monitors
!
Servers, Desktop, and Notebook computers
Mechanical Characteristics
!
EIAJ SOT23-6L package
!
Molding compound flammability rating: UL 94V-0
!
Marking : Marking Code
!
Packaging : Tape and Reel per EIA 481
S0T23-6L (Top View)
Circuit Diagram
相关PDF资料 |
PDF描述 |
|---|---|
| STF201-30.TC | Triac; Thyristor Type:Sensitive Gate; Peak Repetitive Off-State Voltage, Vdrm:200V; On-State RMS Current, IT(rms):800mA; Gate Trigger Current (QI), Igt:5mA; Current, It av:0.8A; Leaded Process Compatible:Yes RoHS Compliant: Yes |
| STF203-15.TC | Analog Miscellaneous |
| STF203-22.TC | SUPPRESSOR CIRCUIT|TSSOP|6PIN|PLASTIC |
| STF203-33.TC | Analog Miscellaneous |
| STF203-XX | Triac; Triac Type:Sensitive Gate; Peak Repetitive Off-State Voltage, Vdrm:400V; On-State RMS Current, IT(rms):4A; Gate Trigger Current (QI), Igt:3mA; Package/Case:3-TO-202; Current, It av:4A; Leaded Process Compatible:Yes |
相关代理商/技术参数 |
参数描述 |
|---|---|
| STF201-30 | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:USB Downstream Post Filter & TVS For EMI Filtering and ESD Protection |
| STF201-30.TC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SUPPRESSOR CIRCUIT|TSOP|6PIN|PLASTIC |
| STF201-30.TCT | 制造商:Semtech Corporation 功能描述:EMI Filter Gull Wing SMD T/R 制造商:Semtech Corporation 功能描述:Transient Voltage Suppression Diode 制造商:Semtech Corporation 功能描述:STF Series 47 pF SMT USB Downstream Port Filter & TVS Protection - SOT-23-6L |
| STF201-30.TCT | 制造商:Semtech Corporation 功能描述:Transient Voltage Suppression Diode |
| STF201-30TC | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:USB Downstream Post Filter & TVS For EMI Filtering and ESD Protection |
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