1N4448W SMALL SIGNAL DIODE VOLTAGE RANGE 75Volts CURRENT 250mAmpere FEATURES * Fast Switching Speed * S urface mount Package Ideally Suited for Automatic Insertion * For General Purpose Switching A pplications * High Conductance SOD-123 MECHANICAL DATA Case: Molded plastic Epoxy: UL 94V-O rate flame retardant Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 0.01 gram .110(2.80) .102(2.60) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS .006(.15) .026(.65) .018(.45) .067(1.70) .059(1.50) .152(3.85) .140(3.55) .003(.08) * * * * * .049(1.25) .041(1.05) o Ratings at 25 C ambient temperature unless otherwise specified. REF .020(0.50) Single phase, half wave, 60 Hz, resistive or inductive load. .004(.10) .000(.00) For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) MAXIMUM RATINGS (@ TA=25 OC unless otherwise noted) SYMBOL 1N4448W UNITS VRM VRRM VRWM VR VRMS IFM IO 100 Volts 75 Volts 53 500 250 mAmps mAmps IFSM 4.0 2.0 Amps Typical Reverse Recovery Time Trr 4 nS Typical Junction Capacitance CT 4 Maximum Power Dissipation PD R θJA 400 RATINGS Non-Repetitive Peak Reverse Voltage Maximum Repetitive Peak Reverse Voltage Maximum Working Peak reverse Voltage Maximum DC Blocking Voltage Maximum RMS Voltage Maximum Forward Comtinuous Current Maximum Average Forward Rectified Current Non-Repetitive Peak Forward Surge Current @t=1.0uS @t=1.0S Volts pF mW O TJ, TSTG 315 -65 to + 150 ELECTRICAL CHARACTERISTICS (@TA=25 OC unless otherwise noted) SYMBOL CHARACTERISTICS 1N4448W UNITS 0.715 0.855 1.0 1.25 Volts 25 nAmps Typical Thermal Resistance Operating and Storage Temperature Range Maximum Instantaneous Forward Voltage @IF=1.0mA @IF=10mA @IF=50mA @IF=150mA VF @VR=20V Maximum Instantaneous Reverse Current . @VR=75V IR 2.5 C/W O C uAmps 2016-06 REV:B RATING AND CHARACTERISTICS CURVES ( 1N4448W ) 100 IF, FORWARD CURRENT (mA) Pd, POWER DISSIPATION (mW) 300 200 100 0 Ta=25OC 10 Ta=50OC Ta=85OC 1 Ta=30OC 0.1 0 50 25 75 125 100 0 150 200 O TA, AMBIENT TEMPERATURE ( C) FIG.1 Power Derating Curve 600 800 1000 FIG.2 Typical Forward Chatacteristics 2.5 trr, REVERSE RECOVERY TIME(nS) IR, LEAKAGE CURRENT (A) 400 VF, FORWARD VOLTAGE (mV) 10.0 Ta=100OC 1.0 Ta=75OC 0.10 O Ta=50 C Ta=25OC O Ta=0 C 0.01 O Ta=-30 C 0.001 Ta=0OC 0 60 40 20 80 VR, REVERSE VOLTAGE (V) 2.0 1.5 1.0 0.5 0 0 2 4 6 8 10 IF, FORWARD CURRENT (mA) FIG.3 Typical Reverse Characteristics FIG.4 Reverse Recovery Time vs. vs. Forward Current CT, TOTAL CAPCITANCE (pF) 4 f=1 MHz 3 2 1 0 0 1 2 3 4 5 6 IF, FORWARD CURRENT (mA) FIG.5 Total Capacicance vs. vss.Reverse Reverse Voltage RECTRON DISCLAIMER NOTICE 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 liability for any errors or inaccuracies. Data sheet specifications and its information contained are intended to provide a product description only. "Typical" parameters which may be included on RECTRON data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. 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 related applications where a failure or malfunction of component or circuitry may directly or indirectly cause injury or threaten a life without expressed written approval 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 Rectron Inc and its subsidiaries harmless against all claims, damages and expenditures.