• 1N4148UR-1 AVAILABLE IN JAN, PER MIL-PRF-19500/116 1N4148UR-1 and CDLL4148 JANTX, AND JANTXV • SWITCHING DIODE • HERMETICALLY SEALED • METALLURGICALLY BONDED • DOUBLE PLUG CONSTRUCTION MAXIMUM RATINGS Operating Temperature: -65°C to +200°C Storage Temperature: -65°C to +200°C Operating Current: 200 mA @ TA = + 25°C Derating Factor: 1.14 mA/°C Above TA = + 25°C 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 @ 25°C, 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) @100µA 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 = 150°C TA = 150°C CAPACITANCE @0V CAPACITANCE @ 1.5 V nA µA µA µA 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. 6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841 PHONE (978) 620-2600 FAX (781) 689-0803 WEBSITE: http://www.microsemi.com 113 IN4148UR-1 and CDLL4148 1000 0º C 10 25º C 10 0º C 15 1 -65ºC IF - Forward Current - (mA) 100 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 IR - Reverse Current - (µA) 150ºC 10 100ºC 1 0.1 25ºC .01 -65ºC NOTE : .001 20 40 60 80 100 120 140 Percent of Reverse Working Voltage (%) 114 FIGURE 3 Typical Reverse Current vs Reverse Voltage All temperatures shown on graphs are junction temperatures