Phihong USA

- Phihong is one of the leading power adapter companies in the world. Together with our distribution partners, we serve telecom, datacom, personal electronics, power tools, LED lighting, security, medical and industrial markets and top global electronics OEMs such as Motorola, Cisco, Panasonic, Sony, Acer, Hewlett Packard, Sanyo, Toshiba and many others. 

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Go To Product Training Module Index Page

Digi-Key’s library of more than 2000 exclusive PTM Online… On Demand® product training modules is a collection of training tools created with you – the busy design engineer – in mind. They are provided with the cooperation of participating supplier partners. From this one source, you can learn about the latest products and technologies, download datasheets, check inventory, contact our technical staff, and place an order for same-day shipment.

These modules are available in audio and non-audio formats and listed by supplier in easy-to-find alphabetical order. Simply locate the module that interests you and click on your format of choice. We hope you find these tools useful, and with new modules added continuously, we invite you to stop back often to see what’s new.


Product Training Modules Online...On Demand® is a registered trademark of Digi-Key Corporation.


Updated PTM = Updated Product Training Module - PTM        New PTM = New Product Training Module - PTM

Module NamePreviewAudioNon-AudioDurationParts List
New PTM
  • IEEE 802.3af Standard for Power-over-Ethernet
1.8MB950KB5 minParts List
  • PoE
3.3MB754KB10 minParts List
  • PSA05F Overview
1.3MB508KB5 minParts List

To view modules, you will need Adobe Flash Player 9, or greater, installed on your computer. Adobe Flash Player is available FREE from Adobe.

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PDA012A-S SeriesPDA012A-S Series - Phihong USA has developed an external LED driver that is conveniently packaged as a low-cost, fixed-prong wall-plug adapter. Capable of producing up to 12 W of output power, the PDA012A-S is available in constant-current outputs of 350, 700, 1000, and 1500 mA, and is ideal for home and small office lighting applications, such as floor lamps, table lamps, and cabinet lighting. An external AC-DC adapter simplifies and accelerates the design cycle by removing all of the driver circuitry from the fixture. With UL and safety approvals on the external driver already completed, OEMs can move products to market much more quickly.  More...

PDA024A SeriesPDA024A Series - Phihong offers their PDA024A series, a 24 W LED driver adapter for residential lighting applications, including under-counter lighting, high-brightness floor and table lamps. The Class 2 adapter is available in 700, 1000 and 1500 mA outputs at the North American nominal input voltage range 110-120 VAC.  More...

Support and Software

PoE Firmware

For use with/without all versions of SNMP

POE370 Series Firmware (Rev. 3.3)
POE576U AT Series Firmware (Rev. 1.3)
POE576U AFAT Series Firmware (Rev. 1.3)
POE125U Series Firmware (Rev. 2.5)

PoE Midspan GUI

For all versions of SNMP: IEEE802.3af/at midspans

Phihong Midspan POE GUI Installation (v.1.0) (Windows XP/Vista/7)
Phihong Midspan POE GUI User Manual (v. 1.2)
SNMP MIB (2/20/2008) (for IEEE802.3af/at midspans with SNMPv2 or v3)

PoE Midspan for SNMPv2

SNMPv2 User Manual
GUI Installation for POE370U (Windows XP only)
GUI Installation for POE576U (Windows XP only)
Ethernet Management Tool (Windows XP only)

SNMPv2 Firmware

SNMPv2 Firmware and Upload Program (v. 2/20/2008) (Windows XP/Vista/7)

SNMPv3 Firmware

SNMPv3 Firmware (Rev. 2/07/2010)

SNMPv2C Firmware

SNMPv2C Firmware* (v. 1.6)
SNMPv2c User Manual (Rev. 1.6)
SNMPv2c MIB (rev. 10/30/09)

*This firmware may be used for the following products: POE75U-1UPN, POE125U-4ATN, POE240-2MPN, POE240U-4UPN, POE576U-8UPN, POE576U-4MPN, and POE806U-8MPN.
More About Phihong

Founded in 1972 in Taipei, Taiwan, Phihong has now grown to a global public company with 2008 revenues of $500 million. One of the top ten global power supply companies, Phihong is the leading power adapter company in the world. Together with our distribution partners, we serve telecom, datacom, personal electronics, power tools, LED lighting, security, medical and industrial markets and top global electronics OEMs such as Motorola, Cisco, Panasonic, Sony, Acer, Hewlett Packard, Sanyo, Toshiba and many others.

Our Business Focus

Phihong’s business focus is to maintain leadership in the power adapter market and expand our position in the switching power supply, power-over-ethernet, and network power markets. We will continue to offer a broad line of cost competitive, highly reliable power and accessory solutions.

Quality and Reliability

Our long-term customer relationships are established by consistently delivering highly reliable products at competitive prices. The drive for quality is a major focus throughout our organization. From supplier management, to engineering and manufacturing excellence, to customer-focused service teams – we’re committed to delivering the best.

Engineering Excellence

Quality products start with quality engineering. With major development centers in Silicon Valley, California, Long Island, New York and Taipei, Taiwan; Phihong provides the ideal mix of technological prowess and designed-in efficiency to ensure value-added performance for our customers. All products follow a rigorous procedure from design through verification including simulation, EMC, safety and regulatory compliance testing and extensive quality review.

Manufacturing Excellence

With 3,342,000 square feet of manufacturing space, Phihong’s facilities in China employ both state-of-the-art surface mount and through-hole process lines with less than 50ppm defect ratios. Each facility is ISO 9000 and ISO 14000 certified and provides world-class manufacturing insuring compliance with our customers’ exacting quality demands.

Commitment to Customers

At Phihong, we measure success by our commitment to customers. Our worldwide sales and service organization provides hub services, application engineering support and local “after sales” service centers in Europe, Asia and North America. We continue to strive for zero defects, on-time deliver and support that meets and exceeds our customers’ expectations.
Phihong USA
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