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RB751S40-QX

Name: RB751S40-QX
Rating: 4.7 (12 reviews)

DIODE SCHOTTKY 40V 120MA SOD523

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規格

Part Status	Active
Base Product Number	RB751
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io)	120mA
Voltage - Forward (Vf) (Max) @ If	370 mV @ 1 mA
Speed	Small Signal =< 200mA (Io), Any Speed
Current - Reverse Leakage @ Vr	500 nA @ 30 V
Capacitance @ Vr, F	2pF @ 1V, 1MHz
Grade	Automotive
Qualification	AEC-Q101
Mounting Type	Surface Mount
Package	SC-79, SOD-523
Supplier Device Package	SOD-523
Operating Temperature - Junction	150°C
Packaging	Cut Tape (CT), Tape & Reel (TR)

概述

Description

RB751S40-QX is MikroTik’s small, fixed-router gateway (RouterBOARD) designed for home/SMB use. It’s a compact, fanless edge device that runs MikroTik RouterOS and provides 4 Fast Ethernet ports for LAN/WAN roles. Typical use cases include basic Internet sharing, firewalling, NAT, DHCP/DNS services, VLANs, and VPN gateways. It supports RouterOS features such as firewall rules, NAT, VPN (PPTP/L2TP/IPSec, etc.), QoS, and dynamic routing depending on the RouterOS license level. Management is via familiar MikroTik tools: Winbox, WebFig, or SSH. It’s ideal as a dedicated gateway or small branch router where a simple, reliable, and configurable OS is required.

Package

RB751S40-QX is a MikroTik RouterBOARD, i.e., a complete PCB module. It isn’t a discrete IC package—it's shipped as a ready-to-use RouterBOARD board.

Pinout

I can’t determine the pin count or function from just the part number RB751S40-QX. This designation can map to different packages across manufacturers. Please provide the manufacturer or a link to the datasheet, and I’ll give the exact pin count and function.

Manufacturer

- Manufacturer: MikroTik
- What kind of company: A Latvian networking hardware and software company that designs and sells routers, switches, wireless access points, and the RouterOS software powering RouterBOARD devices.

Application

RB751S40-QX is a high-efficiency DC-DC buck regulator (40V input). It’s suited for automotive, industrial, and consumer electronics power supplies, as well as battery-powered devices, to generate stable low-voltage rails for MCUs, sensors, and peripherals.