1N4148 ROHM
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Technical content
1N4148 / 1N4150 / 1N4448 / 1N914B Diodes Switching diode 1N4148 / 1N4150 / 1N4448 / 1N914B ∗This product is available only outside of Japan. !!!!Applications High-speed switching !!!!Features 1) Glass sealed envelope. (GSD) 2) High speed. 3) High reliability. !!!!Construction Silicon epitaxial planar !!!!External dimensions (Units : mm) φ 0.5±0.1 C 29±1 29±1 CATHODE BAND (BLACK) 3.8±0.2 A φ 1.8±0.2 Type No. ROHM : GSD EIAJ : − JEDEC : DO-35 !!!!Absolute maximum ratings (Ta = 25°C) Type 1N4148 100 −65~+200−65~+200 (V) VRM (V) VR 450 (mA) IFM 150 (mA) IO 200 (mA) IF (A) 1µs IFSM 500 (mW) P 200 1N4150 50 −65~+200−65~+20050 600 200 250 4 500 200 1N4448 100 −65~+200−65~+20075 450 150 200 2 500 200 (°C) Tj (°C) Topr (°C) Tstg (1N914B) !!!!Electrical characteristics (Ta = 25°C) Type 0.1mA 1.0 0.66 0.62 0.74 0.76 0.86 0.82 0.92 1.0 0.87 1.0 0.54 0.62 0.72 0.25mA 1mA 2mA 5mA 10mA 20mA 30mA 50mA 100mA 200mA 250mA 5µA 75 100 50.0 20 4 4 0.025 5.0 − 50 0.1 50 100.0 50 2.5 4 − 100 50.0 20 4 4 100µA @ @150°C VR (V) @25°C VR (V) trr (ns)Cr (pF)IR (µA) Max.BV (V) Min.VF (V) IF=10mAf=1MHz VR=0 RL=100Ω VR=6V 1N4148 1N4150 1N4448 (IN914B) 0.025 5.0 The upper figure is the minimum VF and the lower figure is the maximum VF value.
1N4148 / 1N4150 / 1N4448 / 1N914B Diodes !!!!Electrical characteristic curves (Ta = 25°C) 0.5 100FORWARD CURRENT : IF (mA) FORWARD VOLTAGE : VF (V) Fig. 1 Forward characteristics Ta =125 Ta =75 Ta =25 Ta 0 20 40 60 80 100 120 100 300 1000 3000 REVERSE VOLTAGE : VR (V) REVERSE CURRENT : IR (nA) Fig. 2 Reverse characteristics 70°C 50°C 100°C Ta=25°C 00 10 20 30 0.5 1.0 1.5 2.0 2.5 3.0 51 5 2 5 f=1MHz REVERSE VOLTAGE : VR (V) CAPACITANCE BETWEEN TERMINALS : CT (pF) Fig. 3 Capacitance between terminals characteristics Fig. 4 Reverse recovery time characteristics 00 10 20 30 V R=6V Irr=1/10IR REVERSE RECOVERY TIME : trr (ns) FORWARD CURRENT : IF (mA) 0.1 1 10 100 1000 10000 100 PULSE Single pulse PULSE WIDTH : Tw (ms) SURGE CURRENT : Isurge (A) Fig. 5 Surge current characteristics PULSE GENERATOR OUTPUT 50Ω SAMPLING OSCILLOSCOPE50Ω 0.01µF 100ns INPUT D.U.T. IR 0.1IR trr OUTPUT Fig. 6 Reverse recovery time (trr) measurement circuit