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PESD2ETH-AXR

Name: PESD2ETH-AXR
Rating: 4.7 (12 reviews)

TVS DIODE 5.5VWM SOT143B

製造商
製造商。部分 #PESD2ETH-AXR
包 TO-253-4, TO-253AA
資料表 PESD2ETH-AXR DataSheet
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規格

Supplier	Nexperia USA Inc.
Package	Tape & Reel (TR),Cut Tape (CT)
Series	Automotive, AEC-Q101
ProductStatus	Active
Type	Steering (Rail to Rail)
UnidirectionalChannels	2
Voltage-ReverseStandoff(Typ)	5.5V (Max)
Voltage-Breakdown(Min)	6V
PowerLineProtection	Yes
Applications	Automotive, Ethernet
Capacitance@Frequency	16pF @ 1MHz
OperatingTemperature	-40°C ~ 125°C (TA)
MountingType	Surface Mount
Package/Case	TO-253-4, TO-253AA

概述

Description

PESD2ETH-AXR is a two-channel ESD protection diode array designed for Ethernet interfaces. It protects the Ethernet PHY/transceiver lines by clamping electrostatic discharges to safe levels, helping prevent damage and data errors.
Key features
- 2 protective channels for Ethernet lines (TX+/TX− and RX+/RX− or differential pair)
- Very low input capacitance to minimize impact on high-speed signaling
- Bidirectional ESD diodes to power rails and ground
- Suitable for 3.3V/5V system environments; compatible with common Ethernet PHYs
- Small AXR package footprint for compact designs
- No external power supply required; passive protection
Typical usage
- Place close to the RJ45/magnetic module to protect PHY input/output pins from ESD events
Why use
- Improves robustness and reliability of Ethernet-enabled devices, reducing ESD-induced errors and component failures.
Note
- Check the exact electrical specs (capacitance, clamping voltage, ESD rating) in the official datasheet for your target application.

Features

PESD2ETH-AXR Features (concise)
- 2-channel ESD protection diode array for Ethernet PHY lines (MDI)
- Ultra-low capacitance per channel (to minimize signal loss and preserve high-speed performance)
- Fast response time for transient suppression
- Bi-directional protection to ground
- Suitable for 10/100/1000BASE-T Ethernet interfaces
- Low leakage current and robust ESD performance (IEC 61000-4-2 compliant)
- Compact AXR 6-pin surface-mount package; RoHS-compliant
Note: Specific electrical ratings (capacitance, clamping voltages, and exact ESD levels) are device-dependent—refer to the datasheet for precise numbers.

Package

The PESD2ETH-AXR uses a 6-pin SOT-23-6 (SC-74A) package.

Pinout

Pin count: 6 pins.
Function: A 2-channel ESD protection diode array for Ethernet interfaces; clamps transient voltages to ground on two Ethernet signal lines (protects the Ethernet differential pair).

Manufacturer

Manufacturer: Nexperia.
What kind of company: A global semiconductor company specializing in discrete devices, ESD protection diodes, and related components (logic, MOSFETs, etc.). It originated from Philips Semiconductors/NXP and now operates as an independent Dutch company.

Application

Two-channel ESD protection for Ethernet PHY interfaces. Applications: protection of the TX/RX lines of 10/100/1000BASE-T front-ends near RJ45 connectors and magnetics in consumer electronics, industrial equipment, and automotive networking. Features: low capacitance and high ESD surge withstand to preserve signal integrity of Ethernet transceivers.