diode mc971 for high speed switching application silicon epitaxial type(common cathode) isahaya electronics corporation description mc971 is a small type resin se aled silicon epitaxial type doub le diode. it is especially designed for hi gh speed switching application. due to the small pin capacitance, short switching time (revers e recovery time), it is most suitable for high speed switching ap plication and limitter, clippe r application. feature small pin capacitance quick switching time high voltage good two element characteristics double and mini package for mounting application for general high speed swit ching of audio machine, vtr. outlinedrawing unitmm jeita jedec terminal connecter ?anode 1 ?cathode (common) ?anode 2 maximum ratings ta=25 symbol parameter ratings unit v rm peak reverse voltage 75 v v r dc reverse voltage 50 v i fsm surge current? 4 a i fm peak forward current 300 ma i o average rectification current 100 ma p t total allowance dissipation 450 mw t junction temperature 125 tstg storage temperature -55125 electrical characteristics ta=25 parameter symbol test conditions limits uniit min typ max forward voltage v f1 i f =10ma - 0.72 0.9 v v f2 i f =50ma - 0.85 1.0 v f3 i f =100ma - 0.90 1.2 reverse current i r v r =50v - - 0.1 a pin capacitance c v r =0vf=1mhz - 1.0 4.0 pf reverse recovery time trr (refer to test circuit) - 3.0 ns internal connection marking 4.0 1.0 1.0 13.0min 3.0 2.5 2.5 0.45 0.1 2.5 0.4 14.0 7.5max m71 d1 d2
diode mc971 for high speed switching application silicon epitaxial type(common cathode) isahaya electronics corporation reverse recovery tim e(trr)test circuit typical characteristics pulse generater zout=50) sampling oscilloscope (zin=50) dc power supply 0.02f d.u.t trigger 3k + - f =10ma, v r =6v r l =50 trr=0.1ir reverse recovery time for 0.1ir 0 v f v r 0 i f i r trr 0.1i r input voltage wave form current wave form in diode 0.1 1 10 100 0.2 0.4 0.6 0.8 1 1.2 forward current if (ma) forward voltage vf (v) forward current vs. forward voltage ta=0 ta=75 ta=25 0.1 1 10 100 1000 0 1020304050 reverse current ir na reverse voltage vr (v) reverse current vs. reverse voltage ta=75 ta=25 ta=0 0.1 1 10 110100 pin capacitance ct (pf) reverse voltage vr (v) pin capacitance vs. reverse voltage 0 2 4 6 8 10 0 20406080100 reverse recovery time trr (nsec) forward current if(ma) reverse recovery time vs. forward current
6 - 41 tsukuba, isahaya, nagasaki, 854 - 0065 japan keep safety first in your circuit designs! isahaya electronics corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility th at trouble may occur with them. trouble with semiconductors may lead to personal injury, fire or property damage. remember to give due consideration to safety when making your circuit designs, with appropri ate measures such as ( 1) placement of substitutive, auxiliary, ( 2) use of non - farmable material or ( 3) prevention against any malfunct ion or mishap. notes regarding these materials these materials are intended as a reference to our customers in the selection of the isah aya products best suited to the customer?s application; they don't convey any license under any intellectual prop erty rights, or any other rights, belonging isahaya or third party. isahaya electronics corporation assumes no responsibility for any damage, or infringement of any third party's rights , originating in the use of any product data, diagram s, charts or circuit application examples contained in these materials . all information contained in these materials, including product data, diagrams and charts, represent information on products at the time of publication of these materials, a nd are subject to change by isahaya electronics corporation without notice due to product improvements or other reasons. it is therefore recommended that customers contact isahaya electronics corporation or an authorized isahaya products distr ibutor for the latest product information before purchasing product listed herein. isahaya electronics corporation products are not designed or manufactured for use in a device or system that is used under circumstances in which human lif e is potentially at stake. please contact isahaya electronics corporation or an authorized isahaya products distributor when considering the use of a product contained herein for any specific purposes , such as apparatus or systems for transpor tation, vehicular, medical, aerospace, nuclear, or undersea repeater use. the prior written approval of isahaya electronics corporation is necessary to reprint or reproduce in whole or in part these materials. if these products or technolo gies are subject to the japanese export control restrictions, they must be exported under a license from the japanese government and cannot be imported into a country other than the approved destination. any diversion or re - export contrary to t he export control laws and regulations of japan and/or the country of destination is prohibited. please contact isahaya electronics corporation or authorized isahaya products distributor for further details on these materials or the product s contained therein. aug.2013
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