Rectifiers for PV solar cell bypass protection

Vishay Intertechnology, Inc. expanded its offering of TMBS Trench MOS Barrier Schottky rectifiers with 12 new 45 V devices in three power package options, featuring a wide range of current ratings from 10 A to 40 A. With extremely low forward voltage drops, down to 0.51 V typical at 20 A, the rectifiers are optimized for use in solar cell junction boxes as bypass diodes for protection. The devices released include: the single-chip V(B,F)T1045BP; V(B,F)T2045BP; V(B,F)T3045BP; and V(B,F)T4045BP.

Each device is offered in the power TO-220AC, ITO-220AC, and TO-263AB packages. All rectifiers feature a 200° C maximum junction temperature in DC forward current without reverse bias (t ≤ 1 hour). The devices are compliant to RoHS Directive 2002/95/EC and WEEE 2002/96/EC. The TO-263AB package offers a moisture sensitivity level (MSL) of 1, per J-STD-020, LF maximum peak of 245° C. The TO-220AC and ITO-220AC packages feature solder bath temperatures of 275° C maximum, 10 s, per JESD 22-B106, and are halogen-free according to the IEC 61249-2-21 definition.

Vishay Intertechnology, Inc.
www.vishay.com