LL4148, LL4150, LL4151, LL4448 - Ultrafast Switching Si-Planar Diodes

General Characteristics

️· Description: Ultrafast switching silicon planar diodes, suitable for surface mount applications.
️· Package: SOD-80C, MiniMELF case.
️· Weight: Approximately 0.04 g.
️· Standard Packaging: Taped and reeled.

Electrical Characteristics

️· Nominal Current (IF): 150 - 300 mA
️· Repetitive Peak Reverse Voltage (VRRM): 50 - 100 V
️· Surge Peak Reverse Voltage (VRSM): 50 - 100 V (depending on type)
️· Max. Average Forward Rectified Current (IFAV):
- LL4148: 150 mA
- LL4150: 200 mA
- LL4151: 300 mA
- LL4448: 150 mA
️· Repetitive Peak Forward Current (IFRM): 500 - 600 mA
️· Non-Repetitive Peak Forward Current (IFSM): 2000 - 4000 mA
️· Max. Power Dissipation (Ptot): 500 mW
️· Forward Voltage (VF):
- LL4148: <1V at 10 mA
- LL4150: 0.54 - 0.62 V at 10 mA
- LL4151: <1 V at 10mA
- LL4448: 0.62 - 0.72 V at 10 mA
️· Leakage Current (IR): <5.000 nA at 25°C (typical)
️· Reverse Recovery Time (trr): < 4 ns (typical)

Thermal Characteristics

️· Junction Temperature (Tj): -50°C to +200°C
️· Storage Temperature (Ts): -50°C to +200°C
️· Thermal Resistance (RthA): < 300 K/W

Notes

️· Maximum ratings are tested with specific pulse conditions.
️· Performance is affected by the copper pad area on the PCB. Specified values require mounting on a PCB with 25 mm² copper pads.