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RCLAMP3374N.TCT

4-line 3.3V RailClamp TVS, ±30kV ESD, 40A surge, 5pF, AEC-Q100, SLP3020N10

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Manufacturer Part：

RCLAMP3374N.TCT

Package：

SLP3020N10 (3.0 x 2.0 x 0.60mm)

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Description

Product Overview

The RCLAMP3374N.TCT from Semtech is a 4-line, 3.3V RailClamp TVS protection device in a 10-pin SLP3020N10 (3.0 x 2.0mm) package. Designed for Gigabit Ethernet interfaces, it provides ±30kV ESD protection, 40A surge current capability, and low 5pF capacitance per line pair, qualified to AEC-Q100 Grade 1 for automotive applications.

Key Specifications

Operating Voltage (VRWM) 3.3V
Breakdown Voltage (VBR) 3.5V
Clamping Voltage (VC) 18V max
Number of Lines 4 (2 line pairs)
Capacitance 5pF per line
Peak Pulse Current (IPP) 40A (8/20μs)
Peak Pulse Power (PPPM) 1kW
ESD Protection (IEC 61000-4-2) ±30kV contact and air
EFT Protection (IEC 61000-4-4) 40A (5/50ns)
Lightning Surge (IEC 61000-4-5) 40A (8/20μs)
Reverse Leakage Current 0.5μA max
Direction Unidirectional
AEC-Q100 Grade 1 (-45°C to +125°C)
Package SLP3020N10 (3.0 x 2.0 x 0.6mm)
Operating Temperature -40°C to +125°C

Features

  • 4-line ESD/surge protection for high-speed data lines
  • ±30kV ESD protection (IEC 61000-4-2 contact and air)
  • 40A surge current capability (IEC 61000-4-5)
  • Low capacitance: 5pF per line for GbE compatibility
  • Low clamping voltage: 18V max
  • 3.3V operating voltage
  • Semtech proprietary EPD process technology
  • AEC-Q100 Grade 1 qualified for automotive
  • Flow-through pin configuration for easy PCB layout
  • Pb-Free, Halogen Free, RoHS/WEEE compliant

Applications

  • Gigabit Ethernet (10/100/1000) port protection
  • Automotive Ethernet interfaces
  • LVDS interface protection
  • Central office telecom equipment
  • MagJack and integrated magnetics protection

The RCLAMP3374N.TCT from Semtech is a RailClamp TVS diode array specifically designed to protect Gigabit Ethernet interfaces from ESD, cable discharge events (CDE), and electrical fast transients (EFT). It incorporates surge-rated, low-capacitance steering diodes and an internal TVS diode in a single SLP3020N10 package. The device protects two line pairs (four lines) with flow-through pin configuration for easy PCB layout, while maintaining low loading capacitance below 5pF for high-speed signal integrity.

The RCLAMP3374N uses Semtech’s proprietary EPD (Enhanced Protection Device) process technology combining low-capacitance steering diodes with an internal silicon-avalanche TVS diode. Each I/O pin pair features a steering diode bridge that routes harmful surge current into the central TVS diode, which clamps the voltage to a safe level. The EPD process provides low stand-off voltages with significant reductions in leakage current and capacitance compared to standard silicon-avalanche processes. The flow-through layout allows TX+/TX- signal traces to pass under the device with minimal parasitic inductance.

Pin Name Type Function
1 TX1+ In I/O Line 1 positive input
2 TX1- In I/O Line 1 negative input
3 GND Ground Ground (typically left floating in GbE)
4 TX2+ In I/O Line 2 positive input
5 TX2- In I/O Line 2 negative input
6 TX2- Out I/O Line 2 negative output
7 TX2+ Out I/O Line 2 positive output
8 GND Ground Ground (typically left floating in GbE)
9 TX1- Out I/O Line 1 negative output
10 TX1+ Out I/O Line 1 positive output
  • Gigabit Ethernet PHY-side ESD and surge protection
  • Automotive Ethernet port protection meeting OEM requirements
    • LVDS differential pair transient protection
  • Telecom central office equipment line protection
  • MagJack integrated magnetics Ethernet protection
Manufacturer Part Number Package Notes
Semtech RClamp0512TQ QFN-10 5V version, similar protection
Semtech RClamp2502L DFN-8 2-line alternative for Ethernet
TI TPD4E05U06DQAR USON-10 4-ch 5V ESD protector, 0.5pF
NXP PRTR5V0U2X SOT-363 2-line ultra-low cap TVS
Littelfuse SP3051-04HTG DFN-10 4-line 5V ESD protector
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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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