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| IMBD4448 Small Signal Diodes SOT-23 .122 (3.1) .118 (3.0) .016 (0.4) 3 FEATURES Silicon Epitaxial Planar Diodes Top View .056 (1.43) .052 (1.33) Fast switching diode in case SOT-23, especially suited for automatic insertion. This diode is also available in other case styles including: the DO-35 case with the type designation 1N4448, the Mini-MELF case with the type designation LL4448, and the SOD-123 case with the type designation 1N4448W .045 (1.15) .037 (0.95) 1 2 max. .004 (0.1) .007 (0.175) .005 (0.125) .037(0.95) .037(0.95) .016 (0.4) .016 (0.4) .102 (2.6) .094 (2.4) MECHANICAL DATA Case: SOT-23 Plastic Package Weight: approx. 0.008 g Dimensions in inches and (millimeters) Marking A3 3 Top View 1 2 MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified Symbol Reverse Voltage Peak Reverse Voltage Rectified Current (Average) Half Wave Rectification with Resist. Load at Tamb = 25 C and f 50 Hz Surge Forward Current at t < 1 s and Tj = 25 C Power Dissipation at Tamb = 25 C Junction Temperature Storage Temperature Range 1) Value 75 100 1501) Unit V V mA VR V RM I0 IFSM Ptot Tj TS 500 3501) 150 -65 to +150 mA mW C C Device on fiberglass substrate, see layout 4/98 IMBD4448 ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified Symbol Forward Voltage at IF = 5 mA at IF = 100 mA Leakage Current at VR = 70 V at VR = 70 V, Tj = 150 C at VR = 25 V, Tj = 150 C Capacitance at VF = VR = 0 Reverse Recovery Time from IF = 10 mA to IR = 10 mA VR = 6 V, RL = 100 Thermal Resistance Junction to Ambient Air 1) Min. 0.62 - - - - - - Typ. - - - - - - - Max. 0.72 1 2.5 50 30 4 4 Unit V V A A A pF ns VF VF IR IR IR Ctot trr RthJA - - 4501) K/W Device on fiberglass substrate, see layout .30 (7.5) .12 (3) .04 (1) .08 (2) .04 (1) .08 (2) .59 (15) .47 (12) .03 (0.8) 0.2 (5) .06 (1.5) .20 (5.1) Dimensions in inches (millimeters) Layout for RthJA test Thickness: Fiberglass 0.059 in (1.5 mm) Copper leads 0.012 in (0.3 mm) RATINGS AND CHARACTERISTIC CURVES IMBD4448 RATINGS AND CHARACTERISTIC CURVES IMBD4448 |
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