MSB12A45S2L Bypass Diode Module for Solarcell Reverse Voltage 45V Forward Current 12A (Schottky Barrier Diode Type) Features ◆ Low thermal resistance ◆ Low forward voltage drop,low power loss ◆Compact ◆ Outline Drawing internal schematic diagram outline design Excellent anti-humidity ◆ High current capability ◆ High forward surge capability ◆ RoHS compliance Mechanical Data Case: plastic body Terminals: Sn plated leads Typical Applications ◆ For use in solar cell junction box as bypass diodes for protection, using DC forward current without reverse bias. Dimensions in millimeters Maximum Ratings & Electrical Characteristics Ratings at 25℃ ambient temperature unless otherwise specified . Parameter Symbol MSB12A45S2L Unit Maximum repetitive peak reverse voltage VRRM 45 V Working peak reverse voltage VRwM 45 V IF 12 titi Repetitive peak reverse current (VR=VRRM) IFSM 400 IRRM (Max) 0.8 mA Forward voltage drop IF=12A,lnst measurement VFM (Max) 0.45 V Rθjc 1.0 ℃/W －55 to+125 ℃ 200 ℃ DC output current (Tc=145℃,with special heatsink) surge forward current 1cycle,60HZ,peak value,non- Typical thermal resistance (junction to case,with heatsink) Operating junction temperature range(VR≤80%VRRM) Junction temperature in DC forward current without reverse bias TJ A Storage temperature Tstg －55 to+150 ℃ Isolation voltage AC. 1minute VISO 6000 V 30 g Mass (typical value) PAGE 1 - 2 MSB12A45S2L Ratings & Characteristics Curves (Ta=25℃ unless otherwise noted ) Forward Current Derating (with heatsink) Notes: DC Forward Current (A) 14 Mounted on junction box 12 Using DC forward current 10 8 6 测试点 4 IF=12A,VF=0.4V,Ta=75℃, Tj=160℃ (Typical) 2 0 0 50 100 150 200 Case Temperature (℃) Typical Reverse Characteristics Typical Forward Characteristics 100 Instantaneous Forward Current(A) Instantaneous Reverse Current(mA) 1.00E+03 Tj=125℃ 1.00E+02 1.00E+01 1.00E+00 1.00E-01 Tj=25℃ 1.00E-02 Tj=150℃ 10 Tj=100℃ 1.00E-03 Tj=25℃ 1 Tj=125℃ 0.1 0 10 20 30 40 50 60 70 80 90 100 Percent of Rated Peak Reverse Voltage (%) PAGE 2 - 2 0 0.1 0.2 0.3 0.4 0.5 Instantaneous Forward Voltage (V) 0.6