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                             BAS521 All information provided in this document is subject to legal disclaimers. ? NXP B.V. 2010. All rights reserved. Product data sheet Rev. 2 — 5 November 2010 2 of 11 NXP Semiconductors BAS521 Single high-voltage switching diode 2. Pinning information [1] The marking bar indicates the cathode. 3. Ordering information 4. Marking 5. Limiting values [1] Tsp is the solder point temperature at the soldering point of the cathode tab. [2] Tj =25°C prior to surge. [3] Reflow soldering is the only recommended soldering method. Table 2. Pinning Pin Description Simplified outline Graphic symbol 1 cathode [1] 2 anode 2 1 006aab040 2 1 Table 3. Ordering information Type number Package Name Description Version BAS521 SC-79 plastic surface-mounted package; 2 leads SOD523 Table 4. Marking codes Type number Marking code BAS521 L4 Table 5. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit VR reverse voltage - 300 V VRRM repetitive peak reverse voltage -300V IF forward current Tsp ≤ 90 °C [1] 250 mA IFRM repetitive peak forward current tp =1ms; δ =0.25 -1A IFSM non-repetitive peak forward square wave; current tp =1μs [2] -4.5A Ptot total power dissipation Tsp ≤ 90 °C [1][3] -500mW Tj junction temperature - 150 °C Tamb ambient temperature ?65 +150 °C Tstg storage temperature ?65 +150 °C |