1N4148UR-1 and CDLL4148 * 1N4148UR-1 AVAILABLE IN JAN, JANTX, AND JANTXV PER MIL-PRF-19500/116 * SWITCHING DIODE * HERMETICALLY SEALED * METALLURGICALLY BONDED * DOUBLE PLUG CONSTRUCTION MAXIMUM RATINGS Operating Temperature: -65C to +200C Storage Temperature: -65C to +200C Operating Current: 200 mA @ TA = + 25C Derating Factor: 1.14 mA/C Above TA = + 25C Surge Current A: 2A, sine wave, Pw = 8.3ms Surge Current B: 1.41A, square wave, Pw = 8.3ms DIM D F G G1 S ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified Vf 1 VBR V RWM I0 Vf 2 t rr @I F = 10 mA @I F = 100 mA MILLIMETERS INCHES MIN MAX MIN MAX 1.60 1.70 0.063 0.067 0.41 0.55 0.016 0.022 3.30 3.70 .130 .146 2.54 REF. .100 REF. 0.03 MIN. .001 MIN. (Note 1) @100A FIGURE 1 Volts Volts (pk) mA V dc V dc n sec 100 75 200 0.8 1.2 5 DESIGN DATA CASE: DO-213AA, Hermetically sealed glass case. (MELF, SOD-80, LL34) I R1 @ 20 V dc I R2 @ 75 V dc I R3 @ 20 V I R4 @ 75 V TA = 150C TA = 150C CAPACITANCE @0V CAPACITANCE @ 1.5 V nA A A A pF pF 25 0.5 35 75 4.0 2.8 LEAD FINISH: Tin / Lead THERMAL RESISTANCE (ROJEC): 100 C/W maximum AT L = 0 THERMAL IMPEDANCE: (ZOJX): 70 C/W maximum POLARITY: Cathode end is banded. MOUNTING SURFACE SELECTION: The Axial Coefficient of Expansion (COE) Of this Device is Approximately +6PPM/C. The COE of the Mounting Surface System Should Be Selected To Provide A Suitable Match With This Device. 22 COREY STREET, MELROSE, MASSACHUSETTS 02176 PHONE (781) 665-1071 FAX (781) 665-7379 WEBSITE: http://www.cdi-diodes.com E-mail: mail@cdi-diodes.com IN4148UR-1 and CDLL4148 1000 25 C 10 0C 15 0 C 10 -65C 1 0.1 .3 .4 .5 .6 .7 .8 .9 1.0 VF - Forward Voltage (V) 1.1 1.2 1.3 FIGURE 2 Typical Forward Current vs Forward Voltage 1000 100 150C IR - Reverse Current - (A) IF - Forward Current - (mA) 100 10 100C 1 0.1 25C .01 -65C NOTE : .001 20 40 60 80 100 120 140 Percent of Reverse Working Voltage (%) FIGURE 3 Typical Reverse Current vs Reverse Voltage All temperatures shown on graphs are junction temperatures