MSH20G MSH30G MSH40G Glass Passivated High Voltage Diodes Case: DO-15 Reverse Voltage 2000-4000V Forward current 350 mA Features z Plastic package z Glass passivated die construction z High Reverse Voltage Low cost Plastic material has UL flammability recognition 94V-0 High surge current capability z z z Mechanical Data Case: Molded plastic case Terminals: Plated leads solderable per MIL-STD-750, Method 2026 Polarity: Marked on Body Mounting Position: Any Weight: 0.40 g（Approximately） Application z z Car ignition systems Automotive applications with extreme temperature requirements Maximum Ratings and Electrical Characteristics @ TA = 25OC unless otherwise specified Parameter Symbol MSH20G MSH30G MSH40G Unit Maximum Recurrent Peak Reverse Voltage VRRM 2000 3000 4000 V Maximum RMS Voltage VRMS 1400 2100 2800 V Maximum DC Blocking Voltage VDC 2000 3000 4000 V Maximum average forward output rectified current 0.375” (9.5mm) lead length at TC = 55 OC IF(AV) 350 mA Peak forward surge current single half sinewave superimposed on rated load (JEDEC Method) IFSM 30 A Instantaneous Forward Voltage at 350mA DC VF 3.0 O VR=VRRM TA =25 C O VR=VRRM TA =175 C Operating Junction Storage temperature range Document Number : MSH20G May 30, 2008 4.0 1.0 IR 250 Tj TSTG 5.0 V uA -65 to +175 O C -65 to +175 O C www.smsemi.com 1