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| 2SK494 Silicon N-Channel Junction FET Application Low frequency / High frequency amplifier Outline 2SK494 Absolute Maximum Ratings (Ta = 25C) Item Drain to source voltage Gate to source voltage Drain current Gate current Channel power dissipation Channel temperature Storage temperature Symbol VDS VGSO ID IG Pch Tch Tstg Ratings 22 -22 100 10 300 150 -55 to +150 Unit V V mA mA mW C C Electrical Characteristics (Ta = 25C) Item Gate to source breakdown voltage Gate cutoff current Gate to source cutoff voltage Drain current Forward transfer admittance Input capacitance Reverse transfer capacitance Noise figure Note: Grade I DSS Symbol V(BR)GSS I GSS VGS(off) I DSS* yfs Ciss Crss NF 1 Min -22 -- -- 6 20 -- -- -- Typ -- -- -- -- -- 9.0 2.8 0.5 Max -- -10 -2.5 40 -- 11.0 4.0 3.0 Unit V nA V mA mS pF pF dB Test conditions I G = -10 A, VDS = 0 VGS = -15 V, VDS = 0 VDS = 5 V, ID = 10 A VDS = 5 V, VGS = 0, Pulse test VDS = 5 V, ID = 10 mA, f = 1 kHz VDS = 5 V, VGS = 0, f = 1 MHz VDS = 5 V, VGS = 0, f = 1 MHz VDS = 5 V, ID = 1 mA, f = 1 kHz, Rg = 1 k 1. The 2SK494 is grouped by I DSS as follows. B 6 to 14 C 12 to 22 D 18 to 30 E 26 to 40 See character curves 2SK435. 2 2SK494 3 2SK494 When using this document, keep the following in mind: 1. This document may, wholly or partially, be subject to change without notice. 2. All rights are reserved: No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without Hitachi's permission. 3. Hitachi will not be held responsible for any damage to the user that may result from accidents or any other reasons during operation of the user's unit according to this document. 4. Circuitry and other examples described herein are meant merely to indicate the characteristics and performance of Hitachi's semiconductor products. Hitachi assumes no responsibility for any intellectual property claims or other problems that may result from applications based on the examples described herein. 5. No license is granted by implication or otherwise under any patents or other rights of any third party or Hitachi, Ltd. 6. MEDICAL APPLICATIONS: Hitachi's products are not authorized for use in MEDICAL APPLICATIONS without the written consent of the appropriate officer of Hitachi's sales company. Such use includes, but is not limited to, use in life support systems. Buyers of Hitachi's products are requested to notify the relevant Hitachi sales offices when planning to use the products in MEDICAL APPLICATIONS. 4 |
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