This document describes the features and characteristics of the 40 PIN SMD ETHERNET 10/100 BASE-TX QUAD PORT TRANSFORMER produced by Bothhand USA, including patented interlock base design, compliance with IEEE 802.3u and ANSI X3.263 standards, support for four single or double stacked RJ-45 connectors, IC grade transfer-molded package withstanding 235℃ peak temperature, operating temperature range of 0℃ to +70℃, etc.
This document is a datasheet for the Bothhand 40ST1041K, a 40-pin surface mount device (SMD) designed as an Ethernet 10/100 Base-TX quad port transformer. The component features a patented interlock base design and supports four single or double stacked RJ-45 connectors.
The datasheet provides detailed electrical specifications including turns ratio, common mode rejection ratio (CMR), insertion loss, return loss, and cross-talk measurements across various frequency ranges. It also includes mechanical dimensions and suggested pad layout for PCB assembly.
| Operating Temperature Range | 0°C to +70°C |
|---|---|
| Storage Temperature Range | -25°C to +125°C |
The device operates within a temperature range of 0°C to +70°C.
This transformer is designed to support four single or double stacked RJ-45 connectors.
The transfer-molded package withstands a 235°C peak temperature profile.