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1N4448 데이터시트(PDF) 2 Page - NXP Semiconductors |
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2 / 7 page 1996 Apr 15 2 Philips Semiconductors Product specification High-speed diodes 1N4148; 1N4446; 1N4448 FEATURES • Hermetically sealed leaded glass SOD27 (DO-35) package • High switching speed: max. 4 ns • General application • Continuous reverse voltage: max. 75 V • Repetitive peak reverse voltage: max. 75 V • Repetitive peak forward current: max. 450 mA • Forward voltage: max. 1 V. APPLICATIONS • High-speed switching. DESCRIPTION The 1N4148, 1N4446, 1N4448 are high-speed switching diodes fabricated in planar technology, and encapsulated in hermetically sealed leaded glass SOD27 (DO-35) packages. Fig.1 Simplified outline (SOD27; DO-35) and symbol. The diodes are type branded. handbook, halfpage MAM246 k a LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). Note 1. Device mounted on an FR4 printed circuit-board; lead length 10 mm. SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VRRM repetitive peak reverse voltage − 75 V VR continuous reverse voltage − 75 V IF continuous forward current see Fig.2; note 1 − 200 mA IFRM repetitive peak forward current − 450 mA IFSM non-repetitive peak forward current square wave; Tj = 25 °C prior to surge; see Fig.4 t = 1 µs − 4 A t = 1 ms − 1 A t = 1 s − 0.5 A Ptot total power dissipation Tamb = 25 °C; note 1 − 500 mW Tstg storage temperature −65 +200 °C Tj junction temperature − 200 °C |
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