2N6766 FET Derating Curve

Posted on Feb 7, 2014

Once the case temperature reaches 250C the device must be derated up to a maximum case temperature of 1500C, insuring the junction temperature remains below the maximum permissible temperature. MIL-PRF-19500/543; Semiconductor Device, Transistor, Field Effect, N-Channel, Silicon, Repetitive Avalanche Types 2N6764, 2N6764T1, 2N6766, 2N6766T1, 2N6768, 2N6768T1, 2N6770,

2N6766 FET Derating Curve
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and 2N6770T1, JAN, JANTX, JANTXV, JANS, JANHC, and JANKC [ TO-204AE ; formerly the JEDEC TO-3 package designation ] TO-204 Flange mount. Is a type of package which provides a method of attaching a surface of the semiconductor device, the flange in this case, to a heat dissipater [a component that acts as a heat sink] to achieve thermal management of the case temperature. The Drain is electrically connected to the case [for this device]. The Junction to Case Thermal Resistance for the TO-3 case is 0. 83 0C/W.

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