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LL4448

General Semiconductor
Part Number LL4448
Manufacturer General Semiconductor
Description Small Signal Diodes
Published Mar 22, 2005
Detailed Description LL4448 Small Signal Diodes MiniMELF FEATURES ♦ Silicon Epitaxial Planar Diode ♦ Fast switching diode in MiniMELF case ∅...
Datasheet PDF File LL4448 PDF File

LL4448
LL4448

Overview
LL4448 Small Signal Diodes MiniMELF FEATURES ♦ Silicon Epitaxial Planar Diode ♦ Fast switching diode in MiniMELF case ∅ .
063 (1.
6) .
055 (1.
4) especially suited for automatic insertion.
styles including: the DO-35 case with the type designation 1N4448, the SOD-123 case with the type designation 1N4448W, and the SOT-23 case with the type designation IMBD4448.
Cathode Mark ♦ This diode is also available in other case .
142 (3.
6) .
134 (3.
4) .
019 (0.
48) .
011 (0.
28) Dimensions in inches and (millimeters) MECHANICAL DATA Case: MiniMELF Glass Case (SOD-80) Weight: approx.
0.
05 g MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 °C ambient temperature unless otherwise specified Symbol Reverse Voltage Peak Reverse Voltage Rectified Current (Average) Half Wave Rectification with Resist.
Load at Tamb = 25 °C and f ≥ 50 Hz Surge Forward Current at t < 1 s and Tj = 25 °C Power Dissipation at Tamb = 25 °C Junction Temperature Storage Temperature Range 1) Value 75 100 1501) Unit V V mA VR VRM I0 IFSM Ptot Tj TS 500 5001) 175 –65 to +175 mA mW °C °C Valid provided that electrodes are kept at ambient temperature.
4/98 LL4448 ELECTRICAL CHARACTERISTICS Ratings at 25 °C ambient temperature unless otherwise specified Symbol Forward Voltage at IF = 5 mA at IF = 100 mA Leakage Current at VR = 20 V at VR = 75 V at VR = 20 V, Tj = 150 °C Capacitance at VF = VR = 0 Reverse Recovery Time from IF = 10 mA to IR = 1 mA, VR = 6 V, RL = 100 Ω Thermal Resistance Junction to Ambient Air Rectification Efficiency at f = 100 MHz, VRF = 2 V 1) Min.
0.
62 – – – – – – – 0.
45 Typ.
– – – – – – – – – Max.
0.
72 1 25 5 50 4 4 0.
351) – Unit V V nA µA µA pF ns K/mW – VF VF IR IR IR Ctot trr RthJA ηv Valid provided that electrodes are kept at ambient temperature.
Rectification Efficiency Measurement Circuit RATINGS AND CHARACTERISTIC CURVES LL4448 RATINGS AND CHARACTERISTIC CURVES LL4448 ...


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