MXP1144 Photovoltaic By-Pass Diode 50 Volts, 1.0 Amps SANTA ANA DIVISION P RODUCT P REVIEW KEY FEATURES DESCRIPTION IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com Oxide passivated structure for very low leakage currents Epitaxial structure minimizes forward voltage drop Triangular shape to fit in corner near flat of photovoltaic cell Forward voltage decreases with radiation exposure Targeted for terrestrial applications with silicon photovoltaic cells Thin construction for fit with photovoltaic cells W W W. Microsemi .COM Large area diode chip for medium current photovoltaic bypass applications, or for higher current hybrid applications. The device is rated for 1A for applications where the device will be exposed to substantial radiation flux (space). For other applications, it may be operated at higher currents. A version with attached leads is available. APPLICATIONS/BENEFITS APPLICATIONS/BENEFITS Increases efficiency of photovoltaic arrays Protects photovoltaic cells from reverse voltage MAXIMUM RATINGS @ 25°C (UNLESS OTHERWISE SPECIFIED) Description Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Average Rectified Forward Current, Tc≤ 135°C Junction Temperature Range Storage Temperature Range Symbol Max. Unit VRRM VRWM VR IF(ave) Tj Tstg 50 50 50 1.0 -65 to +150 -65 to +200 Volts Volts Volts Amps °C °C ELECTRICAL PARAMETERS Description Symbol Conditions Min Typ. Max Unit IR25 VR= 4 Vdc, Ta= 25°C 10 IR25 VR= 50 Vdc, Ta= 25°C 20 200 nA Forward Voltage pulse test, pw= 300 µs Junction Capacitance Breakdown Voltage VF1 VF2 Cj1 BVR IF= 400 mA, Ta= 25°C IF= 1.0 A, Ta= 25°C VR= 4 Vdc IR= 200 µA, Ta= 25°C 750 770 1050 90 775 800 1300 mV mV pF V Copyright 2002 MXP1144.PDF, 2002-05-01 50 Microsemi Santa Ana Division 2830 South Fairview, Santa Ana, CA. 92704, 714-979-8220, Fax: 714-557-5989 nA Page 1 MXP1144 Reverse (Leakage) Current (in dark) MXP1144 Photovoltaic By-Pass Diode 50 Volts, 1.0 Amps SANTA ANA DIVISION P RODUCT P REVIEW W W W. Microsemi .COM Mechanical Outline L 315.0 289.0 R = 4.0, 6 PL. metal (anode) 26.0 0 0 26.0 289.0 26.0 315.0 MECHANICALS MXP1144 all dimensions in mils Standard die thickness is 5.0 +/- 0.5 mils Copyright 2002 MXP1144.PDF, 2002-05-01 Microsemi Santa Ana Division 2830 South Fairview, Santa Ana, CA. 92704, 714-979-8220, Fax: 714-557-5989 Page 2 MXP1144 Photovoltaic By-Pass Diode 50 Volts, 1.0 Amps SANTA ANA DIVISION P RODUCT P REVIEW W W W. Microsemi .COM Typical location with 100mm diameter photovoltaic cell diode location MECHANICALS Copyright 2002 MXP1144.PDF, 2002-05-01 Microsemi Santa Ana Division 2830 South Fairview, Santa Ana, CA. 92704, 714-979-8220, Fax: 714-557-5989 Page 3 MXP1144 Photovoltaic By-Pass Diode 50 Volts, 1.0 Amps SANTA ANA DIVISION P RODUCT P REVIEW W W W. Microsemi .COM NOTES NOTES Copyright 2002 MXP1144.PDF, 2002-05-01 Microsemi Santa Ana Division 2830 South Fairview, Santa Ana, CA. 92704, 714-979-8220, Fax: 714-557-5989 Page 4