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WHD12401G Single Port DIP 10/100Base-TX PIN12 non-PoE LAN Transformer

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WHD12401G Single Port DIP 10/100Base-TX PIN12 non-PoE LAN Transformer

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Product Parameters
Data rate 10/100 Base-TX
Installation Method DIP
Ports Single Port
PIN 12
Pitch 2.0mm
Operating Temperature 0 up to 70 °C
Vt (V (RMS)) 1500
PoE non-PoE
Solution
Ethernet
Ethernet
SPE
SPE
CAN
CAN
RS485
RS485
LVDS
LVDS
Isolated SPI
Isolated SPI
PoE
PoE
Push-Pull Converter
Push-Pull Converter
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Technical Support Email: fae.thorne@voohu.cn    Phone: +86 400-1048-018
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FAQ LAN Transformer: WHD12401G
Q
Why are the PCB hole patterns of WHD12401G and WHD12501G incompatible even though both are 12PIN devices with 2.00 mm pitch?
A
WHD12401G has 5.00 mm row spacing, an approximately 13.05 ± 0.50 mm × 7.80 ± 0.50 mm body, and a maximum height of 7.50 mm. WHD12501G has 4.80 mm row spacing, an approximately 14.00 mm × 7.70 mm body, and a height of about 6.00 mm. Their hole locations, outlines, and heights all differ, so they cannot share a footprint.
Q
How should the 38 pcs/tube packaging of WHD12401G be used in purchasing quantities and line-side replenishment calculations?
A
The model is packed 38 pcs/tube, 3420 pcs/inner carton, and 13680 pcs/outer carton. Purchasing should use 38 pieces as the full-tube unit when evaluating opened-tube balance. Production should include partial quantities, changeover loss, and bent-pin screening in line-side stock. These package quantities are logistics conversions, not the supplier's minimum order quantity.
Q
Can the 8 mA biased-inductance specification of WHD12401G be used as evidence for power delivery beyond a non-PoE port?
A
No. The 350 μH minimum is an open-circuit inductance result measured at 100 kHz, 0.1 V, and 8 mA DC bias, and is used to verify magnetizing characteristics. WHD12401G is specified for non-PoE applications, and 8 mA is not an available power current. Any powered-port design requires a component with explicit current, temperature-rise, and standards-compliance data.
Q
What Certifications Does VOOHU Hold?
A

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.

Q
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A

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