SM540B

SM540B Surface Mount Schottky Barrier Rectifiers Reverse Voltage 40V Forward Current 5.0A 1. FEATURES ● We declare that the material of product compliance with RoHS requirements and Halogen Free. ● Plastic package has Underwriters Laboratory Flammability Classification 94V-0. ● Low power loss,high efficiency. ● For use in low voltage high frequency inverters,free wheeling, and polarity protection applications. ● High temperature soldering guaranteed:260°C/10 seconds. ● Weight: 0.088g 2. DEVICE MARKING AND ORDERING INFORMATION Device Marking Shipping SM540B S54 3500/Tape&Reel 3. MAXIMUM RATINGS(Ta = 25ºC) Parameter Symbol Limits Unit Maximum repetitive peak reverse voltage VRRM 40 V Maximum RMS voltage VRMS 28 V VDC 40 V IF(AV) 5 A IFSM 120 A RθJA 160 RθJC 50 TJ, TSTG –50 ~+150 0 Maximum DC blocking voltage Maximum average forward rectified current 0.375" (9.5mm) lead length at TC = 75°C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Typical thermal resistance (Note 1) Operating junction and storage temperature range ℃/W ℃ 4. ELECTRICAL CHARACTERISTICS (Ta= 25ºC) Characteristic Symbol Min. Typ. Max. Unit VF - - 0.55 V - - 0.5 - - 10 - 260 - Maximum instantaneous forward voltage at 5.0A Maximum DC reverse current TA = 25°C IR at rated DC blocking voltage TJ = 100°C CJ Typical junction capacitance at 4.0V, 1MHz mA PF 1. 8.0mm² (.013mm thick) land areas Leshan Radio Company, LTD. Rev.A Oct. 2021 1/3 SM540B Surface Mount Schottky Barrier Rectifiers 5.ELECTRICAL CHARACTERISTICS CURVES Fig. 2 – Maximum Non-repetitive Peak Forward Surge Current Average Forward Rectified Current (A) Average Forward Rectified Current (A) Fig. 1 – Forward Current Derating Curve 5.0 2.5 8.0mm² (.013mm thick) land areas 0 120 60 0 0 25 50 75 100 125 150 175 Case Temperature, °C Fig 3. – Typical Instantaneous Forward Characteristics 10 1 10 Number of Cycles at 60Hz 100 Fig 4. – Typical Reverse Characteristics 10 Instantaneous Reverse Current (µA) Instantaneous Forward Current (A) 100 TJ = TJ max 8.3ms Single Half Sine-wave (JEDEC Method) TJ = 25°C Pulse width = 300µs 1% Duty Cycle 1.0 0.1 Tj=100℃ 1.0 Tj=75℃ 0.1 0.01 0.01 0.2 0.3 0.4 0.5 0.6 0.7 Instantaneous Forward Voltage (V) Fig 5. – Typical Junction Capacitance 2000 Tj=25℃ 0.001 40 100 0 20 60 80 Percent of Rated Peak Reverse Voltage (%) TJ = 25°C f = 1.0 MHz Vsig = 50mVp-p Junction Capacitance (pF) 1000 100 0.1 1 10 Reverse Voltage (V) Leshan Radio Company, LTD. 100 Rev.A Oct. 2021 2/3 SM540B Surface Mount Schottky Barrier Rectifiers 6.OUTLINE AND DIMENSIONS SMB DIM Min Max Typ. A 5.00 5.45 5.25 B 3.20 4.00 3.60 C 4.30 4.70 4.50 D 1.80 2.20 2.00 E 2.20 2.50 2.35 G 1.90 2.30 2.10 H 0.95 1.25 1.10 I 0.05 0.15 0.10 K 1.70 2.10 1.90 1.20 L 0.90 1.50 N 0.10 0.30 0.20 All Dimensions in mm 7.SOLDERING FOOTPRINT SMB DIM X Y B Leshan Radio Company, LTD. Rev.A Oct. 2021 (mm) 1.60 2.20 4.60 3/3