Z ibo Seno Electronic Engineering Co., Ltd. 1N4148 / LL4148 FAST SWITCHING DIODE Features ! ! ! ! Fast Switching Speed Glass Package Version for High Reliability A B A High Conductance Available in Both Through-Hole and Surface Mount Versions C D A B C 1N4148 LL4148 Mechanical Data ! ! ! ! ! ! Case: DO-35, MiniMELF Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Weight: DO-35 0.13 grams MiniMELF 0.05 grams Marking: Cathode Band Only Lead Free: For RoHS / Lead Free Version DO-35 Dim Min Max A 25.40 — B — 4.00 C — 0.60 D — 2.00 All Dimensions in mm MiniMELF Dim MIn Max A 3.30 3.70 B 1.30 1.60 C 0.28 0.50 All Dimensions in mm Maximum Ratings @TA=25°C unless otherwise specified Characteristic Symbol Value Unit VRM 100 V VRRM VRWM VR 75 V VR(RMS) 53 V Forward Continuous Current (Note 1) IFM 300 mA Rectified Current (Average), Half Wave Rectification with Resistive Load and f 50MHz (Note 1) IO 150 mA IFSM 1.0 2.0 A Pd 500 1.68 mW mW/°C RJA 300 K/W Tj, TSTG -65 to +175 °C Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Non-Repetitive Peak Forward Surge Current @ t = 1.0s @ t = 1.0µs Power Dissipation (Note 1) Derate Above 25°C Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range 1N4148 / LL4148 1 of 3 www.senocn.com Alldatasheet Z ibo Seno Electronic Engineering Co., Ltd. 1N4148 / LL4148 Electrical Characteristics Characteristic Maximum Forward Voltage @TA=25°C unless otherwise specified Symbol Min Max Unit Test Condition VFM — 1.0 V IF = 10mA µA µA µA nA VR = 75V VR = 70V, Tj = 150°C VR = 20V, Tj = 150°C VR = 20V Maximum Peak Reverse Current IRM — 5.0 50 30 25 Capacitance Cj — 4.0 pF VR = 0, f = 1.0MHz Reverse Recovery Time trr — 4.0 ns IF = 10mA to IR = 1.0mA VR = 6.0V, RL = 100 Note: 1. Diode on Ceramic Substrate 10mm x 8mm x 0.7mm. 1N4148 / LL4148 2 of 3 www.senocn.com Alldatasheet Z ibo Seno Electronic Engineering Co., Ltd. 1N4148 / LL4148 Typical Characteristics Curves Fig.1- Power Derating Curve PD Power Dissipation (mW) IF Instantaneous Forward current (mA) Fig.2- Typical Forward Characteristics Ambient Temperature (°C) Instantaneous Forward Voltage (V) Fig.3- Typical junction capacitance CD Diode Capacitance (pF) IR Instantaneous Reverse current (nA) Fig.4- Typical Reverse Characteristics Reverse Voltage (V) 1N4148 / LL4148 Instantaneous Reverse Voltage (V) 3 of 3 www.senocn.com Alldatasheet