LL4448 datasheet(2/4 Pages) VISHAY

2 / 4 page

www.vishay.com

Document Number 85557

Rev. 1.7, 06-Feb-04

VISHAY

LL4148 / LL4448

Vishay Semiconductors

Electrical Characteristics

Tamb = 25 °C, unless otherwise specified

Typical Characteristics (Tamb = 25 °C unless otherwise specified)

Parameter

Test condition

Symbol

Min

Typ.

Max

Unit

Forward voltage

IF = 5 mA

0.62

0.72

IF = 50 mA

0.86

IF = 100 mA

0.93

Reverse current

VR = 20 V

VR = 20 V, Tj = 150 °C

µA

VR = 75 V

µA

Breakdown voltage

IR = 100 µA, tp/T = 0.01,

tp = 0.3 ms

V(BR)

100

Diode capacitance

VR = 0, f = 1MHz, VHF = 50 mV

4pF

Rectification efficiency

VHF = 2 V, f = 100 MHz

ηr

Reverse recovery time

IF = IR = 10 mA,

iR = 1 mA

trr

8ns

IF = 10 mA, VR = 6 V,

iR = 0.1 x IR, RL = 100 Ω

trr

4ns

Fig. 1 Forward Current vs. Forward Voltage

0.4

0.8

1.2

1.6

0.1

100

1000

VF - Forward Voltage(V)

2.0

94 9096

LL4148

Scattering Limit

Tj =25 ° C

Fig. 2 Forward Current vs. Forward Voltage

94 9097

Tj =25 ° C

LL4448

Scattering Limit

0.4

0.8

1.2

1.6

0.1

100

1000

VF - Forward Voltage(V)

2.0

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