FSS32 .... FSS36 3 Amp. Surface Mounted Schottky Barrier Rectifier Dimensions in mm. CASE: SMC/DO-214AB (Plastic) Voltage 20 V to 60 V Current 3.0 A 7.8 ± 0.3 • Metal Silicon Junction, majority carrier conduction 1.25 ± 0.25 1.25 ± 0.25 • High current capability, low forward voltage drop • Guardring for overvoltage protection Week code • Low power loss, high efficiency • High surge capability • Plastic material carries U/L recognition 94 V-O 2.8 • Low profile package 7.2 Year code Standard soldering pad • Easy pick and place Type No. Closs Maximum Ratings, according to IEC publication No. 134 VRRM VRMS VDC IF (AV) FSS32 FSS33 FSS34 FSS35 FSS36 Marking Code C1 C2 C3 C4 C5 Peak recurrent reverse voltage (V) Maximum RMS voltage (V) Maximum DC blocking voltage (V) 20 14 20 30 21 30 40 28 40 3A 50 35 50 60 42 60 Maximum average Forward current. IFSM 8.3 ms. peak forward surge current Tj Operating temperature range Tstg Storage temperature range 100 A (Jedec Method) – 65 to + 125 °C – 65 to + 150 °C – 65 to + 150 °C Electrical Characteristics at Tamb = 25 °C VF Max. forward voltage drop at IF = 3.0 A IR Max. Instantaneous reverse current at VRRM (1) Rthj-a Rthj-l (1) Ta = 25 ºC Ta = 100 ºC 0.55 V 0.75 V 0.5 mA 20 mA Typical Thermal Resistance 10 mA 55 °C/W 17 °C/W NOTE: Thermal Resistance from junction to lead or to ambient PCB mounted with 14x14 mm copper pads areas. (1) Pulse test: 300µs pulse width, 1% duty cycle. Sep - 03 FSS3 FORWARD CURRENT DERATING CURVE TYPICAL FORWARD CHARACTERISTIC 3.5 30 RESISTIVE OR INDUCTIVE LOAD FSS35 & FSS36 3.0 10 2.5 PULSE WIDTH = 300 µs 1% DUTY CYCLE FSS32 - FSS34 2.0 1 Tj = 25 °C P.C.B. MOUNTED on 0.55 x 0.55" (14 x 14 mm) COPPER PAD AREAS 1.5 1.0 0.1 FSS32 - FSS34 FSS35 & FSS36 0.5 0 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 VF, instantaneous forward voltage (V) 25 50 75 100 125 150 175 TL, lead temperature (ºC) MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT TYPICAL JUNCTION CAPACITANCE 1000 100 FSS32 - FSS34 80 60 FSS35 & FSS36 100 40 20 Tj = 25 ºC f = 1.0 MHz Vsig = 50mVp-p 0 1 10 Number of cycles at 60 Hz. 100 10 0.1 1 10 100 VR, reverse voltage (V) Sep - 03