GJ2042Q

$8.45

Description：LAN XFMR 10/100/1000 BASE-T
Series：-
Mfr：Mentech Technology USA Inc.
Package：Tape & Reel (TR)

SKU:cc3e5d0b201c Category: Pulse Transformers Brand: Mentech Technology USA Inc.

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Product introduction

Product Detailed Parameters

Description：LAN XFMR 10/100/1000 BASE-T
Series：-
Mfr：Mentech Technology USA Inc.
Package：Tape & Reel (TR)
Transformer Type：LAN 10/100/1000 Base-T
Inductance：350µH
ET (Volt-Time)：-
Turns Ratio - Primary:Secondary：1CT:1CT
Mounting Type：Surface Mount
Size / Dimension：0.733" L x 0.500" W (18.00mm x 12.70mm)
Height - Seated (Max)：0.268" (6.80mm)
Operating Temperature：0°C ~ 70°C
Grade：-
Qualification：-

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GJ2042Q

Overview

The GJ2042Q is a LAN pulse transformer manufactured by Mentech Technology USA Inc., designed for Gigabit Ethernet applications. It supports 10/100/1000 Base-T standards and features a 1CT:1CT turns ratio with an inductance of 350µH. The component utilizes a surface mount package and operates within a temperature range of 0°C to +70°C.

Feature Summary

Supports 10/100/1000 Base-T Ethernet standards
Surface mount construction for automated assembly

Applications

Gigabit Ethernet network interfaces
LAN port signal coupling
Network interface card (NIC) designs

Procurement Notes

Verify the manufacturer designation, as sources list both Mentech Technology USA Inc. and Dongguan Mentech Optical & Magnetic. Confirm the specific package type and pinout configuration against the official datasheet before integration. Ensure the operating temperature range meets system requirements.

Selection Notes

Select this component for standard Gigabit Ethernet PHY connections requiring a 1CT:1CT ratio. Verify compatibility with the specific transformer specifications required by the network controller. Check mechanical footprint constraints for surface mount placement on the PCB.

Part Context

This part belongs to the LAN pulse transformer category used in Ethernet physical layer circuits. It serves as a critical isolation and impedance matching component between the MAC/PHY chip and the RJ45 connector, ensuring signal integrity for high-speed data transmission.

Replacement Considerations

Consult official substitution lists from Mentech Technology for verified equivalents. Generic replacements may differ in inductance or isolation ratings; verify all electrical parameters match the original design specifications.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.