LESHAN RADIO COMPANY, LTD. Dual Series Schottky BAT54SWT1 Barrier Diodes 30 VOLTS DUAL SERIES SCHOTTKY AND BARRIER These Schottky barrier diodes are designed for high speed switching applications, circuit protection, and voltage clamping. Extremely low forward voltage reduces conduction loss. Miniature surface mount package is excellent for hand held and portable applications where space is limited. * Extremely Fast Switching Speed * Low Forward Voltage -- 0.35 Volts (Typ) @ I F = 10 mAdc DIODES 3 1 2 CASE 419, STYLE 9 SOT-323 (SC-70) ORDERING INFORMATION Device BAT54SWT1 Package SOT-323 CATHODE ANODE 1 2 Shipping 3000/Tape & Reel 3 CATHODE/ANODE Preferred: devices are recommended choices for future use and best overall value. DEVICE MARKING BAT54LT1 = B8 MAXIMUM RATINGS (T J = 125C unless otherwise noted) Rating Reverse Voltage Forward Power Dissipation @ T A = 25C Derate above 25C Forward Current(DC) Junction Temperature Storage Temperature Range Symbol Value VR PF IF TJ T stg Unit 30 Volts 200 1.6 200Max 125Max -55 to +150 mW mW/C mA C C ELECTRICAL CHARACTERISTICS (T A = 25C unless otherwise noted) Characteristic Reverse Breakdown Voltage (I R = 10 A) Total Capacitance (V R = 1.0 V, f = 1.0 MHz) Reverse Leakage (V R = 25 V) Forward Voltage (I F = 0.1 mAdc) Forward Voltage (I F = 30 mAdc) Forward Voltage (I F = 100 mAdc) Reverse Recovery Time (I F = I R = 10 mAdc, I R(REC) = 1.0 mAdc, Figure 1) Forward Voltage (I F = 1.0 mAdc) Forward Voltage (I F = 10 mAdc) Forward Current (DC) Repetitive Peak Forward Current Non-Repetitive Peak Forward Current (t < 1.0 s) Symbol Min Typ Max Unit V(BR)R CT IR VF VF VF 30 -- -- -- -- -- -- 7.6 0.5 0.22 0.41 0.52 -- 10 2.0 0.24 0.5 0.8 Volts pF Adc Vdc Vdc Vdc trr -- -- 5.0 ns VF VF IF IFRM IFSM -- -- -- -- -- 0.29 0.35 -- -- -- 0.32 0.40 200 300 600 Vdc Vdc mAdc mAdc mAdc BAT54SWT1-1/2 LESHAN RADIO COMPANY, LTD. BAT54SWT1 2.0 k 820 +10 V 100 H IF 0.1 F tr 0.1F tp IF t t rr 10% 90% D.U.T. 50 OUTPUT PULSE GENERATOR 50 INPUT SAMPLING OSCILLOSCOPE t i IR V R INPUT SIGNAL R(REC) = 1.0 mA OUTPUT PULSE (I F = I R = 10 mA; MEASURED at i R(REC) = 1.0 mA) Notes: 1. A 2.0 k variable resistor adjusted for a Forward Current (I F ) of 10mA. Notes: 2. Input pulse is adjusted so I R(peak) is equal to 10mA. Notes: 3. t p t rr Figure 1. Recovery Time Equivalent Test Circuit 1000 100 IR , REVERSE CURRENT (A) 150C 10 125C 1.0 85C 25C - 40C -55C 0.1 T A = 125C 10 1.0 T A = 85C 0.1 0.01 T A = 25C 0.001 0 0.1 0.2 0.3 0.4 0.5 0.6 0 5 10 15 20 25 VF , FORWARD VOLTAGE (VOLTS) VR , REVERSE VOLTAGE (VOLTS) Figure 2. Forward Voltage Figure 3. Leakage Current 30 14 12 CT TOTAL CAPACITANCE (pF) IF , FORWARD CURRENT (mA) T A = 150C 100 10 8 6 4 2 0 0 5 10 15 20 25 30 VR , REVERSE VOLTAGE (VOLTS) Figure 4. Total Capacitance BAT54SWT1-2/2