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SP0503BAHTG

SP0503BAHTG

Littelfuse Inc.
8.5V Clamp Ipp Tvs Diode Surface Mount SOT-143-4
Active54,562 in stock
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Overview

The SP0503BAHTG is a 3-channel TVS diode array designed to protect sensitive electronics from electrostatic discharge (ESD) and other voltage transients. It features a low clamping voltage of 8.5V and a reverse standoff voltage of 5.5V, making it ideal for protecting data lines in 5VDC systems. Its SOT-143-4 package provides a compact footprint for space-constrained portable electronics.

Why Choose This Part

This device offers a fast response time and low input capacitance to maintain signal integrity on high-speed lines. It is rated for a wide operating temperature range of -40 degC to 125 degC and meets MSL-1 moisture sensitivity standards. The 3-channel configuration allows for versatile protection of multiple signal lines in a single small-form-factor package.

Applications

USB 1.1 Port Protection
Protects data and power lines in legacy USB interfaces against ESD strikes.
Handheld Devices
Provides rugged transient protection for mobile phones, PDAs, and MP3 players.
Digital Imaging
Safeguards internal circuitry in digital still and video cameras from user-generated static.
Portable Computing
Ideal for keyboard and I/O port protection in laptops and palmtop computers.

Key Specifications

Type Zener
Applications General Purpose
Mounting Type Surface Mount
Package / Case TO-253-4, TO-253AA
Operating Temperature -40degC ~ 125degC
Power Line Protection No
Supplier Device Package SOT-143-4
Unidirectional Channels 3
Voltage - Clamping (Max) @ Ipp 8.5V
Voltage - Reverse Standoff (Typ) 5.5V (Max)

Getting Started

When integrating this TVS array, place the component as close as possible to the connector or entry point of the transient to minimize parasitic inductance. Ensure the ground pin is connected to a large ground plane using short, wide traces to effectively shunt ESD energy away from sensitive ICs.

Also Consider

USBLC6-2SC6 STMicroelectronics - Offers very low capacitance specifically optimized for high-speed USB 2.0 data lines.
TPD4E001DRLR TITexas Instruments - Provides 4 channels of ESD protection in a SOT-563 package for higher density layouts.
SMF05CT1G ONonsemi - A 5-line transient voltage suppressor array for applications requiring more protected channels in an SC-88 package.