WHD72301G Five Ports DIP 10/100Base-TX PIN72 non-PoE LAN Transformer

Name: LAN Transformer_10/100Base-TX DIP Five Ports_WHD72301G_VOOHU
Brand: VOOHU
SKU: WHD72301G

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WHD72301G Five Ports DIP 10/100Base-TX PIN72 non-PoE LAN Transformer

Category: LAN Transformer

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Product Parameters

Data rate 10/100 Base-TX

Installation Method DIP

Ports Five Ports

PIN 72

Pitch 1.78mm

Operating Temperature 0 up to 70 °C

Vt (V (RMS)) 1500

PoE non-PoE

Solution

Ethernet

SPE

CAN

RS485

LVDS

Isolated SPI

PoE

Push-Pull Converter

Product Recommend

Network Connector (RJ45/RJ11)

POE Transformer

CHIP LAN

Common mode choke for signal line（Signal Line CMC）

TVS/ESD

PHY

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We strictly control product quality, including strict control of manufacturer qualifications, quality control processes and production process standards, and compliance with various certifications and safety standards. Currently, our products comply with industry standards and mainstream quality certifications, such as ISO 9001, ISO 14001, CE, RoHS, REACH, UL, etc.
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Customer Service Email: song.lei@voohu.cn Phone: +86 180 2130 1120

FAQ LAN Transformer: WHD72301G

How should the five integrated ports of WHD72301G be assigned on a switch mainboard?

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The 72PIN DIP package integrates five independent ports, each with its own transmit and receive windings and center taps. Pair the schematic and PCB nets port by port; do not interchange differential pairs or tie center taps across ports. Port numbering must also match the PHY channels and front-panel RJ45 order to simplify production testing and fault isolation.

Which dimensions are most easily overlooked when creating a footprint for the 72PIN DIP package of WHD72301G?

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The body is approximately 65.70 ± 0.50 mm × 6.50 ± 0.50 mm with a maximum height of 12.00 mm. Pin pitch is 1.78 ± 0.20 mm, row spacing is 3.30 mm, recommended hole diameter is 0.90 mm, and the longitudinal pin span is 58.74 mm. In addition to hole locations, check board bending, insertion support, and wave-solder thermal shadowing for this long component.

How should the 255-265 °C for 3-5 s wave-soldering condition of WHD72301G be used?

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Use the peak temperature and duration as the starting component-side wave-soldering window, together with preheating at 100-110 °C for 60-90 s. The production line must still establish a measured profile based on board thickness, copper area, flux, and conveyor speed, then inspect solder fill, bridging, and thermal shock across the pin rows of the five-port package. Setting only a peak temperature is not sufficient.

What Certifications Does VOOHU Hold?

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VOOHU is certified to ISO 9001:2015 and ISO 14001:2015 standards. Our products comply with RoHS, REACH, and CE requirements, ensuring high quality, environmental compliance, and reliable performance for global markets.

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You can quickly identify the most suitable product by using the Product Selector on our website to filter products based on key specifications such as data rate, package type, operating temperature, and current rating. You can also visit our Solutions page to explore recommended products for your specific application.

If you need further assistance, our technical support team is available to help evaluate your application requirements and recommend the most appropriate solution.