October 17, 2022
PHP505 Series for Circuit Protection in Portable Electronics
PHS505 Series Press Release
The New Series Offers Superior Performance Compared with MLV Technologies and is Ideal in Smartphones, Laptops and Other Popular Portable Electronics
ProTek Devices has introduced a series of TVS arrays suited for circuit protection in portable electronics like smartphones, laptops, and other similar portable electronics, to guard against damaging electrical transients like electrostatic discharges. The PHS505/C series of silicon-based diodes offer superior clamping voltage and performance compared to other technologies, such as MLVs.

The PHS505/C series can be used as a single line protector in either a bidirectional or unidirectional configuration. In unidirectional / bidirectional mode, it offers 500 watts / 400 watts peak pulse power per line (typical = 8/20 microseconds), respectively. Protection is offered for one power or I/O port. ESD circuit protection is greater than 25kV. It is compatible with several IEC standards that include 61000-4-2 (ESD): air plus or minus 15kV, contact plus or minus 8kV; with 61000-4-4 (EFT): 40A – 5/50ns; and with 61000-4-5 (surge): 24A, 8/20 microseconds level 2 (line ground) and level 3 (line-line). The series has components available in multiple voltages ranging from 5V to 36V. The series are also RoHS and REACH compliant and have a flammability rating of UL 94V-0.
Mechanical Characteristics
The new series is provided in the DFN-2 package, which is similar in size to a SOD-523 package (1.6mm x 0.8mm) and gives the flexibility of placement on the printed circuit board for each IO port or voltage bus. The approximate weight is just 3mg. It features lead-free plating. The solder reflow temperature is (pure-tin – Sn, 100) 260-270 degrees Celsius. ProTek Devices’ PHS505/C series are now available in quantities from 10,000 via 8mm tape and reel, per EIA standard 481.
Order Information
Pricing information and purchasing details can be obtained by contacting any authorized worldwide distributor, representative, or directly with ProTek Devices. These sales resources are available throughout North America, Europe, Asia, South America, and more. Full contact information for all regions can be found here.
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