# Power Over Ethernet Power Delivery MODULE Competitive Comparison AD-PS3803-RD vs AG9712-FL

**URL:** <https://forum.digikey.com/t/power-over-ethernet-power-delivery-module-competitive-comparison-ad-ps3803-rd-vs-ag9712-fl/64396>\
**Category:** Integrated Circuits (ICs)\
**Tags:** analog-devices-inc, silvertel, dc-dc-converters, evaluation-boards, part-comparison\
**Created:** [January 20, 2026, 1:41pm UTC](https://forum.digikey.com/t/power-over-ethernet-power-delivery-module-competitive-comparison-ad-ps3803-rd-vs-ag9712-fl/64396 "2026-01-20T13:41:08Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Rolf\_Horn](https://sea2.discourse-cdn.com/digikey/user_avatar/forum.digikey.com/rolf_horn/32/52867_2.png) [@Rolf\_Horn](https://forum.digikey.com/u/Rolf_Horn)\
**Post date:** [January 20, 2026, 1:41pm UTC](https://forum.digikey.com/t/power-over-ethernet-power-delivery-module-competitive-comparison-ad-ps3803-rd-vs-ag9712-fl/64396/1 "2026-01-20T13:41:08Z")

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![image](https://global.discourse-cdn.com/digikey/original/3X/e/7/e73491f50f22eaa0719f19a5b189cc0493771c25.jpeg)  
[AG9712-FL](https://www.digikey.com/en/products/detail/silvertel/AG9712-FL/21187198)

ISOLATED **PoE** ( **P** ower **O** ver **E** thernet IEEE802.3af) **PD** ( **P** ower **D** elivery) MODULE **12V 12W** (56mm x 19mm x 14mm) with **84%** Peak Efficiency) from [Silvertel](https://www.digikey.com/en/supplier-centers/silvertel)

vs new Solution with [Analog Devices Inc. AD-PS3803-RD](https://www.digikey.de/de/products/detail/analog-devices-inc/AD-PS3803-RD/24854319) (505-AD-PS3803-RD-ND) Evaluation Board from Analog Devices’ as Reference Design with measured **85.5%** Full Load Efficiency in 131mm x 105mm x 19mm Size (LxWxH) and Output Power of **24W**

 ![image](https://global.discourse-cdn.com/digikey/original/3X/c/b/cb1f4455b333b32753d379ce59a6416ed32f8940.jpeg)

**Resources:**

AD-PS3803-RD Design Support Files.zip  
([https://www.analog.com/media/en/reference-design-documentation/design-integration-files/ad-ps3803-rd-designsupport.zip](https://www.analog.com/media/en/reference-design-documentation/design-integration-files/ad-ps3803-rd-designsupport.zip))

AD-PS3803-RD – System Level Documentation on GitHub  
([AD-PS3803-RD — System Level Documentation documentation](https://analogdevicesinc.github.io/documentation/solutions/reference-designs/ad-ps3803-rd/index.html))

**Leading/Anchor products’ URLs as further resources:**

LT8306 – 60V Isolated No-Opto Flyback Controller ([LT8306RS6#TRMPBF](https://www.digikey.com/en/products/detail/analog-devices-inc/LT8306RS6-TRMPBF/17952227) as 60V LOW-IQ NO-OPTO ISO. FLYBACK)

LT4275 – LTPoE++/PoE+/PoE PD Controller ([LT4275CIMS#PBF](https://www.digikey.com/en/products/detail/analog-devices-inc/LT4275CIMS-PBF/3508045) as IC POE CNTRL 1 CHANNEL 10MSOP)

LT4321 – Ideal Diode Bridge Controller ([LT4321IUF#TRPBF](https://www.digikey.com/en/products/detail/analog-devices-inc/LT4321IUF-TRPBF/4437888) as IC OR CTRLR BRIDGE RECT 16QFN)