SF21-B RECTRON | Alldatasheet
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GLASS PASSIVATED SUPER FAST RECTIFIER VOLTAGE RANGE 50 to 600 Volts CURRENT 2.0 Ampere MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. SF21 THRU SF27 MAXIMUM RATINGS (@ TA=25 OC unless otherwise noted) ELECTRICAL CHARACTERISTICS (@TA=25 OC unless otherwise noted) Dimensions in inches and (millimeters)
FEATURES
- High reliability * Low leakage * Low forward voltage * High current capability * Super fast switching speed * High surge capability * Good for switching mode circuit MECHANICAL DATA * Case: Molded plastic * Epoxy: Device has UL flammability classification 94V-O * Lead: MIL-STD-202E method 208C guaranteed * Mounting position: Any * Weight: 0.35 gram RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at TA = 55 o C Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Thermal Resistance (Note 3) Typical Junction Capacitance (Note 2) SYMBOL VRRM VDC IFSM CJ TJ, TSTG VRMS UNITS Volts Volts Amps2.0 Amps 0C/W
0 COperating and Storage Temperature Range
-55 to + 150 pF Volts 100 300150 SF21 SF23 SF25SF22 SF24 200 400 SF26 100 300150 200 40050 70 210105 140 28035 600 SF27 600 420 NOTES : 1. Test Conditions: IF = 0.5A, IR = -1.0A, IRR = -0.25A 2. Measured at 1 MHz and applied reverse voltage of 4.0 volts. 3. Typical Thermal Resistance : At 9.5mm lead lengths,PCB mounted. 4. "Fully ROHS complaint", "100% Sn plating (Pb-free)" 2006-12 CHARACTERISTICS at Rated DC Blocking Voltage Maximum Reverse Recovery Time (Note 1) VF SYMBOL IR nSec mAmps Maximum DC Reverse Current Maximum Instantaneous Forward Voltage at 2.0A DC Volts 2.0 @TA = 100 o C @TA = 25 o C trr 0.95 1.25 100 UNITSSF21 SF23 SF25SF22 SF24 SF26 SF27 1.50 DO-15 1.0 (25.4) MIN. .230 (5.8) .300 (7.6) 1.0 (25.4) MIN. .140 (3.6) .104 (2.6) DIA. .034 (0.9) .028 (0.7) DIA.
AMBIENT TEMPERATURE, ( O INSTANTANEOUS REVERSE CURRENT, (mA) 2.5 1.5 0.5 7550 175100 125 150 RATING AND CHARACTERISTICS CURVES ( SF21 THRU SF27 ) FIG.2 TYPICAL FORWARD CURRENT DERATING CURVE FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) AVERAGE FORWARD CURRENT, (A) 1.0 0.1 100 1000 6020 40 80 100 120 140 FIG.3 TYPICAL REVERSE CHARACTERISTICS trr +0.5A50 W NONINDUCTIVE 10 W NONINDUCTIVE -0.25A -1.0A 1cm SET TIME BASE FOR 50/100 ns/cm NOTES: 1 Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance = 50 ohms. D.U.T
25 Vdc
(approx) ( - ) ( - ) ( + ) ( + ) NON- INDUCTIVE OSCILLOSCOPE (NOTE 1) PULSE GENERATOR (NOTE 2) Single Phase Half Wave 60Hz Resistive or Inductive Load TA = 25 O C TA = 75 O C TA = 100 O C
PEAK FORWARD SURGE CURRENT, (A) INSTANTANEOUS FORWARD VOLTAGE, (V) 110 100 200 INSTANTANEOUS FORWARD CURRENT, (A) 1.0 0.3 0.1 0.03 0.01 3.0 RATING AND CHARACTERISTICS CURVES ( SF21 THRU SF27 ) FIG.4 TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.5 MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT REVERSE VOLTAGE, (V) JUNCTION CAPACITANCE, (pF) 200 100 0.20.1 1 0.4 21.0 4 10 20 40 100 FIG.6 TYPICAL JUNCTION CAPACITANCE 8.3ms Single Half Sine-Wave (JEDED Method) Pulse Width=300uS 1% Duty Cycle TJ = 25 O C TJ = 25 O C SF21~SF24 SF25~SF26 SF27 SF25~SF27 SF21~SF24
Rectron Inc reserves the right to make changes without notice to any product specification herein, to make corrections, modifications, enhancements or other changes. Rectron Inc or anyone on its behalf assumes no responsibility or liabi- lity for any errors or inaccuracies. Data sheet specifications and its information contained are intended to provide a product description only. "Typical" paramet- ers which may be included on RECTRON data sheets and/ or specifications ca- n and do vary in different applications and actual performance may vary over ti- me. Rectron Inc does not assume any liability arising out of the application or use of any product or circuit. Rectron products are not designed, intended or authorized for use in medical, life-saving implant or other applications intended for life-sustaining or other rela- ted applications where a failure or malfunction of component or circuitry may di- rectly or indirectly cause injury or threaten a life without expressed written appr- oval of Rectron Inc. Customers using or selling Rectron components for use in such applications do so at their own risk and shall agree to fully indemnify Rect- ron Inc and its subsidiaries harmless against all claims, damages and expendit- ures. DISCLAIMER NOTICE
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