LL4148, LL4448

Document Number 85557

Rev. 1.9, 01-Sep-10

Vishay Semiconductors

www.vishay.com

1

94 9371

For technical questions within your region, please contact one of the following:

DiodesAmericas@vishay.com,DiodesAsia@vishay.com,DiodesEurope@vishay.com

Small Signal Fast Switching Diodes

Features

• Silicon epitaxial planar diodes

• Electrical data identical with the devices

1N4148 and 1N4448 respectively

• AEC-Q101 qualified

• Compliant to RoHS directive 2002/95/EC

and in accordance to WEEE 2002/96/EC

Applications

• Extreme fast switches

Mechanical Data

Case:MiniMELF SOD-80

Weight:approx. 31 mg

Cathode band color:black

Packaging codes/options:

GS18/10K per 13" reel (8 mm tape), 10K/box

GS08/2.5K per 7" reel (8 mm tape), 12.5K/box

Parts Table

Absolute Maximum Ratings

Tamb= 25 °C, unless otherwise specified

Note

1)Valid provided that electrodes are kept at ambient temperature

Thermal Characteristics

Tamb= 25 °C, unless otherwise specified

Note

1)Valid provided that electrodes are kept at ambient temperature

Part Type differentiation Ordering code Marking code Remarks

LL4148

VRRM= 100 V,

VF= max. 1000 mV at IF= 50 mA

LL4148-GS18 or

LL4148-GS08

- Tape and reel

LL4448

VRRM= 100 V,

VF= max. 1000 mV at IF= 100 mA

LL4448-GS18 or

LL4448-GS08

- Tape and reel

Parameter Test condition Symbol Value Unit

Repetitive peak reverse voltage VRRM100 V

Reverse voltage VR75 V

Peak forward surge current tp= 1 μs IFSM2 A

Repetitive peak forward current IFRM500 mA

Forward continuous current IF300 mA

Average forward current VR= 0 IFAV150 mA

Power dissipation Ptot5001)mW

Parameter Test condition Symbol Value Unit

Thermal resistance junction to ambient air RthJA3001)K/W

Junction temperature Tj175 °C

Storage temperature range Tstg- 65 to + 175 °C

www.vishay.com

2

Document Number 85557

Rev. 1.9, 01-Sep-10

LL4148, LL4448

Vishay Semiconductors

For technical questions within your region, please contact one of the following:

DiodesAmericas@vishay.com,DiodesAsia@vishay.com,DiodesEurope@vishay.com

Electrical Characteristics

Tamb= 25 °C, unless otherwise specified

Typical Characteristics

Tamb= 25 °C, unless otherwise specified

Parameter Test condition Part Symbol Min. Typ. Max. Unit

Forward voltage

IF= 5 mA LL4448 VF620 720 mV

IF= 50 mA LL4148 VF860 1000 mV

IF= 100 mA LL4448 VF930 1000 mV

Reverse current

VR= 20 V IR25 nA

VR= 20 V, Tj= 150 °C IR50 μA

VR= 75 V IR5 μA

Breakdown voltage

IR= 100 μA, tp/T = 0.01,

tp= 0.3 ms

V(BR)100 V

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