1N4148/1N4448/1N914B 500mW High Speed Switching Diode Small Signal Diode DO-35 Axial Lead HERMETICALLY SEALED GLASS Features D C Fast switching device(Trr<4.0nS) Through-hole device type mounting A Moisture sensitivity level 1 Solder hot dip Tin(Sn) lead finish B Pb free version and RoHS compliant All External Surfaces are Corrosion Resistant and Leads are Readily Solderable Dimensions Mechanical Data Unit (mm) Unit (inch) Min Max Min Max Case : : DO-35 package (SOD-27) A 0.45 0.55 0.018 0.022 High temperature soldering guaranteed : 260°C/10s B 3.05 5.08 0.120 0.201 Polarity : Indicated by cathode band C 25.40 38.10 1.000 1.500 Weight : 109 ± 4 mg D 1.53 2.28 0.060 0.090 Ordering Information Package Part No. Packing DO-35 1N4148 A0 5K / Ammo DO-35 1N4448 A0 5K / Ammo DO-35 1N914B A0 5K / Ammo DO-35 1N4148 R0 10K / 14" Reel DO-35 1N4448 R0 10K / 14" Reel DO-35 1N914B R0 10K / 14" Reel Maximum Ratings and Electrical Characteristics Rating at 25°C ambient temperature unless otherwise specified. Maximum Ratings Type Number Power Dissipation Repetitive Peak Reverse Voltage Peak Forward Surge Current Pluse Width = 1uS, Square Wave Non-Repetitive Peak Forward Current Symbol Value Units PD 500 mW VRRM 100 V IFSM 2.0 A IFM 450 mA IO 150 mA Thermal Resistance (Junction to Ambient) RθJA 240 °C/W Junction and Storage Temperature Range TJ, TSTG -65 to + 150 °C Average Forward Current Version : D10 1N4148/1N4448/1N914B 500mW High Speed Switching Diode Small Signal Diode Maximum Ratings and Electrical Characteristics Rating at 25°C ambient temperature unless otherwise specified. Electrical Characteristics Type Number Reverse Breakdown Voltage Min Symbol IR=100uA V(BR) IR=5uA Max Units 100 V 75 Forward Voltage 1N4448, 1N914B IF=5.0mA 1N4148 IF=10.0mA 1N4448, 1N914B IF=100.0mA Reverse Leakage Current Junction Capacitance 0.62 VF 0.72 V 1.0 1.0 VR=20V 25 nA 5.0 μA CJ 4.0 pF Trr 4.0 ns IR VR=75V VR=0, f=1.0MHz Reverse Recovery Time (Note 1) Notes: 1. Test Conditions: I F=10mA, VR=6V,RL=100Ω, IRR=1mA Tape & Reel specification Item Overall width Tape spacing Component Pitch Untaped lead Bent Tape Mismatch Glass offset Taped lead lead beyond tape Reel outside diameter Reel inner diameter Feed hole width Reel width Symbol A B C L1-L2 K E F G H D D1 D2 W1 Dimension(mm) 64+1.69/-0.69 52.0+/-0.69 5.08+/-0.40 +/-0.69 1.2 Max 0.55(MAX) 0.69(MAX) 3.2Min 0 260+/-3 48+/-1 20+/-0.5 72+3/-1 H G W1 L1 F D B D2 A D1 L2 E C K Version : D10 1N4148/1N4448/1N914B 500mW High Speed Switching Diode Small Signal Diode Rating and Characteristic Curves FIG 1 Typical Forward Characteristics FIG 2 Reverse Current vs Reverse Voltage 1 100 Ta=25°C Reverse Current (uA) Forward Current (A) Ta=25°C 0.1 0.01 10 1 0.1 0.001 0.01 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 0 20 Forward Voltage (V) 60 80 100 120 Reverse Voltage (V) FIG 4 Typical Junction Capacitance FIG 3 Admissible Power Dissipation Curve 1.5 Junction Capacitance (pF) 500 Power Dissipation (mW) 40 400 300 200 100 0 f=1.0 MHz 1.2 0.9 0.6 0.3 0 0 25 50 75 100 125 150 Ambient Temperature (°C) 175 200 0 5 10 15 20 25 30 Reverse Voltage (V) Version : D10