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Media contact -  Bob Decker, Redpines
Phone:  1.415.409.0233 
Fax:  1.650.618.1512 
E-mail:  bob.decker@redpinesgroup.com

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Vishay Releases Four New 600-V PFC High-Frequency Rectifiers with 19-ns and 20-ns Reverse Recovery Times and Low Forward Voltage Drop Ratings of 1.7 V and 1.9 V

High-Efficiency Devices Offer Operating Junction Temperature of +175 C in 2- and 3-Pin TO-220 FULLPAK Packages


For more information:
Media contact -  Bob Decker, Redpines
Phone:  1.415.409.0233 
Fax:  1.650.618.1512 
E-mail:  bob.decker@redpinesgroup.com

Sales contact: 

This release in:

MALVERN, PENNSYLVANIA. — April 25, 2008 — Vishay Intertechnology, Inc. (NYSE: VSH) today launched four new 600-V FRED Pt Hyperfast rectifiers that reduce switching losses in high-efficiency PFC and SMPS applications with their extremely fast and soft reverse recovery times, together with low forward voltage drop.

The new assembly layout diode products represent the most efficient and cost-effective silicon-based solutions for high-efficiency applications, and are able to meet all of the most stringent regulations. The four devices released today are optimized for high-efficiency PFC and high-power-efficiency SMPS applications, and as adaptors for desktop PCs, servers, wide screen PDPs and LCDs, hybrid systems, UPS, and solar power systems.

The four rectifiers complete Vishay.s offering of products specifically developed for CCM PFC applications, which includes the state-of-the-art “X” and “H” series, and the “L” series specifically developed for DCM PFC applications.

The new 8-A 8STH06FP and 8S2TH06FP, and 15-A 15STH06FP and 15S2TH06FP Hyperfast tandem rectifiers deliver a reverse recovery time of 19 ns and 20 ns, respectively. This excellent switching performance is combined with a low forward voltage drop rating of 1.7 V at 8 A and 1.9 V at 15 A, allowing the devices to work at higher frequencies to increase the overall system efficiency.

The new rectifiers feature very soft recovery characteristics even at extreme high di/dt with minimum ringing. The devices offer an operating junction temperature of 175 C for more robust and more cost-effective design, and extremely low leakage current. Available in 2- and 3-pin TO-220 FULLPAK packages, the rectifiers are lead (Pb)-free and RoHS-compliant.

Device Specification Table:

Device number 8STH06FP 15STH06FP 8S2TH06FP 15S2TH06FP
IF(AV) 8 A 15 A 8 A 15 A
@ TC 93 C 73 C 93 C 73 C
VF @ 125 C (Typ.) 1.7 V at 8 A 1.9 V at 15 A 1.7 V at 8 A 1.9 V at 15 A
Qrr @ 125 C at rated IF — 200 A/us at 390 V 84 nC 140 nC 84 nC 140 nC
Reverse Leakage @ 25 C <1 uA <1 uA <1 uA <1 uA
Reverse Leakage Typ. @ 125 C 7 uA 10 uA 7 uA 10 uA

Samples and production quantities of the new Hyperfast tandem rectifiers are available now, with lead times of eight to 10 weeks for larger orders.

Vishay Intertechnology, Inc., a Fortune 1000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay’s product innovations, successful acquisition strategy, and "one-stop shop" service have made it a global industry leader. Vishay can be found on the Internet at www.vishay.com.

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For more information:
Media contact -  Bob Decker, Redpines
Phone:  1.415.409.0233 
Fax:  1.650.618.1512 
E-mail:  bob.decker@redpinesgroup.com

Sales contact: 

This release in: