1N4001, 1N4002, 1N4003, 1N4004, 1N4005, 1N4006, 1N4007NOTE 1. − AMBIENT MOUNTING DATA Data shown for thermal resistance, junction−to−ambient (RqJA) for the mountings shown is to be used as typical guideline values for preliminary engineering or in case the tie point temperature cannot be measured. TYPICAL VALUES FORR q JA IN STILL AIR Mounting Lead Length, L Method 1/8 1/4 1/2 Units 1 52 65 72 °C/W 2 R 67 qJA 80 87 °C/W 3 50 °C/W MOUNTING METHOD 1LL ÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉ MOUNTING METHOD 2LL ÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉ Vector Pin MountingMOUNTING METHOD 3 ÉÉ L = 3/8 ″ ÉÉ ÉÉ ÉÉ ÉÉ Board Ground Plane ÉÉ ÉÉ P.C. Board with1−1/2 X 1 ″ −1/2 Copper Surface ″ www.onsemi.com4