FSS22 .... FSS26 2 Amp. Surface Mounted Schottky Barrier Rectifier Dimensions in mm. 5.1 ± 0.3 CASE: SMB/DO-214AA (Plastic) Voltage 20 V to 60 V Current 2.0 A • 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 • Low power loss, high efficiency Week code • High surge capability • Plastic material carries U/L recognition 94 V-O • Low profile package 2.0 4.2 Year code Type No. Closs • Easy pick and place Standard soldering pad Maximum Ratings, according to IEC publication No. 134 VRRM VRMS VDC IF (AV) FSS22 FSS23 FSS24 FSS25 FSS26 Marking Code B1 B2 B3 B4 B5 Peak recurrent reverse voltage (V) Maximum RMS voltage (V) 20 14 20 30 21 30 40 28 40 50 35 50 60 42 60 Maximum DC blocking voltage (V) Maximum average Forward current. IFSM 8.3 ms. peak forward surge current Tj Operating temperature range Tstg Storage temperature range 2A 50 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 = 2.0 A IR Max. Instantaneous reverse current at VRRM (1) Rthj-a Rthj-l (1) Ta = 25 ºC Ta = 100 ºC 0.55 V 0.70 V 0.5 mA 20 mA Maximum Thermal Resistance 10 mA 75 °C/W 17 °C/W NOTE: Thermal Resistance from junction to lead or to ambient PCB mounted with 5x5 mm copper pads areas. (1) Pulse test: 300µs pulse width, 1% duty cycle. Sep - 03 FSS2 FORWARD CURRENT DERATING CURVE TYPICAL FORWARD CHARACTERISTIC 3.5 50 3.0 10 RESISTIVE OR INDUCTIVE LOAD 2.5 PULSE WIDTH = 300 µs 1% DUTY CYCLE 1 FSS25 & FSS26 2.0 Tj = 25 °C 1.5 FSS22 - FSS24 1.0 0.1 FSS22 - FSS24 FSS25 & FSS26 0.5 P.C.B. MOUNTED ON 0.2 x 0.2" (5.0 x 5.0 mm) COPPER PAD AREAS 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 500 50 Tj = 25 ºC f = 1.0 MHz Vsig = 50mVp-p 40 FSS22 - FSS24 30 100 FSS25 & FSS26 20 10 0 1 10 Number of cycles at 60 Hz. 100 10 0.1 1 10 100 VR, reverse voltage (V) Sep - 03 FSS2 FORWARD CURRENT DERATING CURVE TYPICAL FORWARD CHARACTERISTIC 3.5 50 3.0 10 RESISTIVE OR INDUCTIVE LOAD 2.5 PULSE WIDTH = 300 µs 1% DUTY CYCLE 1 FSS25 & FSS26 2.0 Tj = 25 °C 1.5 FSS22 - FSS24 1.0 0.1 FSS22 - FSS24 FSS25 & FSS26 0.5 P.C.B. MOUNTED ON 0.2 x 0.2" (5.0 x 5.0 mm) COPPER PAD AREAS 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 500 50 Tj = 25 ºC f = 1.0 MHz Vsig = 50mVp-p 40 FSS22 - FSS24 30 100 FSS25 & FSS26 20 10 0 1 10 Number of cycles at 60 Hz. 100 10 0.1 1 10 100 VR, reverse voltage (V) Sep - 03