1N4149, 1N4151, 1N4154 COMPUTER DIODE 1N4446; 1N4447' 1N4448 Switching 1N4449 FEATURES DESCRIPTION * Metallurgical Bond This series offers Metallurgical Bonding Planar Passivated and is very popular for general purpose DO-35 switching applications. ABSOLUTE MAXIMUM RATINGS, AT 25C 1N4149 1N4151 1N4154 1N4446 1N4447 1N4448 1N4449 Peak Reverse Voltage ............... ThV Lee 1 A<) Ko) a TOV. wee TEV... wee TEV. ee TEV veces Average Rectified Current ...... 6... ete tenets QOOMAdC ... te Surge Current, B.3MS.....0 2... ce eee ee nee e eee BOOMA .. 0. eee ee ete Operating Temperature Range ......... cee te eet ee ~ 66C to +150C 0 ee ee ee ees Storage Temperature Range ........ 2... eee eres =B5CtO + 200C occ eee teens MECHANICAL SPECIFICATIONS 1N4149, 1N4151, 1N4154, 00-35 1N4446, 1N4447, 1N4448 1N4449 A 4 D fp 6 -+--c uy 12/79 ae UNITRODE 6261N4149, 1N4151, 1N4154 1N4446, 1N4447, 1N4448 1N4449 ELECTRICAL SPECIFICATIONS (at 25C unless noted) Forward Voltage Reverse Reverse Peak Reverse | Current Junction [Recovery inverse Current | @ 150C j Capacitance| Time Type Voltage | @ 10mA | @ 20mA | @ 30mA | @ 50mA | @ 100mMA V_ nA Via pA @ OV ter 1N4149 75 1.0 _ _ - - 20 25 20 50 4pF 4nS 1N4151 75 ~ ~ _ 1.0 50 50 50 50 4pF 2ns 1N4154 35 _ _ 1.0 _ 25 100 25 100 4pF 2ns 1N4446 75 _ 1.0 _ _ _ 20 25 20 50 4pF 4nsS 1N4447 75 - 1.0 _ _ 20 25 20 50 4pF 4nS 1N4448 75 _ _ _ - 1.0 20 25 20 50 4pF 4nS 1N4449 75 - - 4.0 _ - 20 25 20 50 2pF 4nS Typical Forward Voltage vs Forward Current Typical Reverse Voltage vs. Reverse Current 1000 0.001 5 002 y= +65C Zz .005 E y= +175C = 0.01 & 300 3 02 rea 5 5 05 c i: 3B? @ o1 2 10 3? < a) 5 ye. 2 a 10 g 2 ii 2 Tl 1.0 { 5 ~ 5 10 > 20 1 50 2020.3 4 5 6 7 8 9 101112131415 100 Vp FORWARD VOLTAGE (V) 140 130120110 100 90 80 70 60 50 40 30 20 10 0 Vp REVERSE VOLTAGE (V) UNITRODE CORPORATION 5 FORBES ROAD LEXINGTON, MA 02173 * TEL. (617) 861-6540 TWX (710) 326-6509 TELEX 95-1064 627 PRINTED IN U.S.A,