SPUSB1AJTL Littelfuse Inc, SPUSB1AJTL Datasheet

SPUSB1AJTL

Manufacturer Part Number

SPUSB1AJTL

Description

Manufacturer

Littelfuse Inc

Datasheet

1.SPUSB1AJTL.pdf (3 pages)

Specifications of SPUSB1AJTL

Lead Free Status / Rohs Status

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TVS Diode Arrays

Upstream USB Port Terminator with ESD Suppression & EMI Filtering

SPUSB1 Series

The Littelfuse SPUSB1 Series is a multifunctional USB port protection

network designed to provide ESD protection, EMI/RFI filtering and line

termination for a single USB 1.1 port. The SPUSB1 can replace a mini-

mum of ten typically larger “discrete” devices resulting in inventory and

placement cost savings.

The SPUSB1 Series combines Transient Voltage Suppression (TVS)

avalanche diodes, EMI/RFI filtering components (R1 and C1), and

a1.5kΩ termination resistor (R2). The filtering components are included

to satisfy recommendations in the USB 1.1 specification, and the 1.5kΩ

resistor (R2) is included as a pull-up resistor to VBUS.

The SPUSB1 Series can be used for termination and protection

of“upstream” USB devices such as PDAs, digital cameras, scanners and

hubs which are often at risk from transient voltage surges and

electromagnetic interference from both internal and external sources.

To support a wide range of circuit conditions, Littelfuse offers three

resistance values for the series resistor (R1). The series resistance plus

the USB driver output resistance must be close to the USB cable’s char-

acteristic impedance of 45Ω (90Ω balanced) to minimize transmission

line reflections.

Circuit Diagram

Ordering Information

SPUSB1AJT

SPUSB1BJT

SPUSB1CJT

NUMBER

PART

GND

R1 (Ohm)

SC70-6

R2 (KOhm)

1.5

V BUS

C1 (pF)

w w w . l i t t e l f u s e . c o m

DEVICE

BRAND

UFB

UFC

UFA

Features

• One upstream USB port terminator, EMI filter and transient

• Compact SC70 package saves board space and lowers

• ESD protection to 30kV contact discharge per MIL-STD- 883D,

• ESD protection to 15kV contact discharge per IEC 61000-4-2

Applications

• Desktop/Laptop PCs

• USB peripherals (printers, scanners, zip drives)

• PDAs / wireless handsets

• Digital cameras

• MP3 Players

• Cable Modems

overvoltage protector in a single surface-mount package

manufacturing costs compared to discrete solutions

method 3015

international standard

SC70-6

TYPE

PKG

#/REEL

3000

217

Related parts for SPUSB1AJTL

SPUSB1AJTL Summary of contents

Page 1

TVS Diode Arrays Upstream USB Port Terminator with ESD Suppression & EMI Filtering SPUSB1 Series The Littelfuse SPUSB1 Series is a multifunctional USB port protection network designed to provide ESD protection, EMI/RFI filtering and line termination for a single USB ...

Page 2

TVS Diode Arrays Upstream USB Port Terminator with ESD Suppression & EMI Filtering SPUSB1 Series Parameter Supply Voltage V BUS DC Power per Resistor Package Power Temperature Range: Operating Storage Standard Parameter Resistance R1 (SPUSB1AJT only) Resistance R1 (SPUSB1CJT only) ...

Page 3

TVS Diode Arrays Upstream USB Port Terminator with ESD Suppression & EMI Filtering SPUSB1 Series PACKAGING INFORMATION Mechanical Specifications Lead Plating Lead Material Lead Coplanarity Subsitute Material Body Material Flammability Outline Drawings ...

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