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Page <1> V1.026/02/13
Small Signal Switching Diode
Features:
• Silicon Epitaxial Diode
• High Speed Switching Diode
• 500mW Power Dissipation
Maximum Ratings and Electrical Characteristics:
Ratings at 25°C ambient temperature unless otherwise specied
Characteristics Symbol LL4148-13 Units
Reverse voltage VR75 V
Peak reverse voltage VRM 100 V
Average forward rectied current
Half wave rectication with resistive load
at ta=25°C and f ≥50Hz
IO150 mA
Forward surge current at t <1S and TJ=25°C (Note 1) IFSM 500 mA
Power dissipation at Ta=25°C Ptot 500 mW
Junction temperature TJ175 °C
Storage temperature range TSTG -55 to+175 °C
Mechanical Data:
• Case:MINI-MELF glass case
• Polarity: Colour band denotes cathode
• Weight: Approx. 0.031g
Note:
(1) Valid provided that electrodes are kept at ambient temperature
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Page <2> V1.026/02/13
Small Signal Switching Diode
Characteristics Min. Typ. Max. Units
Forward voltage at IF=10mA VF- - 1 V
Leakage current
at VR=20V
at VR=75V
at VR=20V TJ=150°C
IR- - 25
5
50
nA
µA
µA
Capacitance at VF=VR=0V Ctot - - 4 pF
Voltage rise when switching on tested with
50mA pulses
tp=0.1µS, rise time <30ns, fp=5 to 100kHz
Vfr - - 2.5 V
Reverse recovery time from IF=10mA
VR=6V, RL=100,at IR=1mA trr - - 4 ns
Thermal resistance junction to ambient (Note1) RθJA 350 K/W
Rectication efciency at 100MHz, VRF=2V ηV 0.45 - - -
Electrical Characteristics:
Note
(1) Valid provided that electrodes are kept at ambient temperature
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Page <3> V1.026/02/13
Small Signal Switching Diode
Important Notice : This data sheet and its contents (the “Information”) belong to the members of the Premier Farnell group of companies (the “Group”) or are licensed to it. No licence is granted
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without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any
error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any
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Multicomp is the registered trademark of the Group. © Premier Farnell plc 2012.
Part Number Table
Description Part Number
Small Signal Switching Diode LL4148-13
Dimensions:
Dimensions : Millimetres
