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Q2004LT Scheda tecnica(PDF) 1 Page - Littelfuse |
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Q2004LT Scheda tecnica(HTML) 1 Page - Littelfuse |
1 / 6 page ©2004 Littelfuse, Inc. E3 - 1 http://www.littelfuse.com Thyristor Product Catalog +1 972-580-7777 U.L. RECOGN IZED File #E71639 Quadrac Internally Triggered Triacs (4 A to 15 A) E3 General Description Teccor’s Quadrac devices are triacs that include a diac trigger mounted inside the same package. This device, developed by Teccor, saves the user the expense and assembly time of buying a discrete diac and assembling in conjunction with a gated triac. Also, the alternistor Quadrac device (QxxxxLTH) eliminates the need for a snubber network. The Quadrac device is a bidirectional AC switch and is gate con- trolled for either polarity of main terminal voltage. Its primary pur- pose is for AC switching and phase control applications such as speed controls, temperature modulation controls, and lighting controls where noise immunity is required. Triac current capacities range from 4 A to 15 A with voltage ranges from 200 V to 600 V. Quadrac devices are available in the TO-220 package. The TO-220 package is electrically isolated to 2500 V rms from the leads to mounting surface. 4000 V rms is available on special order. This means that no external isolation is required, thus eliminating the need for separate insulators and insulator-mount- ing steps and saving dollars over “hot tab” devices. All Teccor triac and diac chips have glass-passivated junctions to ensure long-term device reliability and parameter stability. Variations of devices in this data sheet are available for custom design applications. Consult the factory for more information. R oHS Features •RoHS Compliant • Glass-passivated junctions • Electrically-isolated package • Internal trigger diac • High surge capability — up to 200 A • High voltage capability — 200 V to 600 V TO-220 MT2 MT1 T E3 |
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