SSA33L THRU SSA34 30V-40V 3.0A High-Current Density Surface Mount Schottky Rectifier FEATURES • Low power loss, high efficiency • Low profile surface mount package • Built-in strain relief • For use in low voltage high frequency inverters, free wheeling, and polarity protection applications • Guardring for overvoltage protection • Plastic package has Underwriters Laboratory Flammability Classification 94V-0 MECHANICAL DATA Case: JEDEC DO-214AC molded plastic body Terminals: Solder plated, solderable per MIL-STD750, Method 2026 High temperature soldering guaranteed: 250°C/10 seconds at terminals Polarity: Color band denotes cathode end Weight: 0.002 ounce, 0.064 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Maximum Ratings and Thermal Characteristics (T A Parameter Symbol = 25°C unless otherwise noted) SSA33L SSA34 Unit 33L S34 V Device marking code Maximum repetitive peak reverse voltage VRRM 30 40 V Maximum RMS voltage VRMS 21 28 V Maximum DC blocking voltage VDC 30 40 V Maximum average forward rectified current at TL (See Fig. 1) IF(AV) 3.0 A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) IFSM 75 A Typical thermal resistance (2) RΘJA RΘJL 110 28 °C/W Voltage rate of change (rated VR) dv/dt 10,000 V/µs TJ -65 to +150 °C TSTG -65 to +150 °C Operating junction temperature range Storage temperature range Electrical Characteristics (T A = 25°C unless otherwise noted) Parameter Maximum instantaneous forward voltage at 3.0A(1) Maximum DC reverse current at rated DC blocking voltage (1) Symbol TJ=25°C TJ=125°C TJ=25°C TJ=125°C VF IR Typ. Max. Typ. Max. Unit 0.43 0.34 – 20 0.45 0.38 0.5 35 0.46 0.38 – 17 0.49 0.42 0.2 30 V mA Notes: (1) Pulse test: 300µs pulse width, 1% duty cycle (2) Aluminum substrate mounted E-mail: [email protected] 1 of 2 Web Site: www.taychipst.com SSA33L THRU SSA34 30V-40V 3.0A High-Current Density Surface Mount Schottky Rectifier RATINGS AND CHARACTERISTIC CURVES SSA33L 3.5 80 Peak Forward Surge Current (A) Average Forward Current (A) SSA34 Fig. 2 – Maximum Non-Repetitive Peak Forward Surge Current Fig. 1 – Forward Current Derating Curve 3.0 2.5 2.0 1.5 1.0 0.5 SSA33L SSA34 60 40 20 0 0 0 25 75 50 100 125 150 1 10 100 Lead Temperature (°C) Number of Cycles at 60 HZ Fig. 3 – Typical Instantaneous Forward Characteristics Fig. 4 – Typical Reverse Characteristics 100 100 10 Instantaneous Reverse Current (mA) Instantaneous Forward Current (A) THRU TJ = 150°C 1 TJ = 25°C 0.1 SSA33L SSA34 TJ = 125°C TJ = 150°C 10 TJ = 125°C 1 0.1 SSA33L SSA34 0.01 TJ = 25°C 0.001 0.01 0 0.2 0.4 0.6 0 1.0 0.8 Instantaneous Forward Voltage (V) 20 40 60 80 100 Percent of Rated Peak Reverse Voltage (%) Fig. 5 – Typical Junction Capacitance pF - Junction Capacitance 1000 TJ = 25°C f = 1.0 MHZ Vsig = 50mVp-p 100 SSA33L SSA34 10 1 10 100 Reverse Voltage (V) E-mail: [email protected] 2 of 2 Web Site: www.taychipst.com