LL4148 datasheet(2/2 Pages) DIOTEC

Part #	LL4148

Description	Ultrafast Switching Surface Mount Si-Planar Diodes

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Manufacturer	DIOTEC [Diotec Semiconductor]

Direct Link	http://www.diotec.com

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LL4148, LL4150, LL4151, LL4448

Characteristics (Tj = 25°C)

Kennwerte (Tj = 25°C)

Type

Typ

Forward voltage

Durchlass-Spannung

Leakage current

Sperrstrom

Rev. recovery time 2)

Sperrverzugszeit 2)

VF [V] at/bei IF [mA]

IR [nA] at/bei VR [V]

trr [ns]

LL4148

< 1

10

< 25

< 5.000

< 50.000

20

75

20 (Tj = 150°C)

< 4

LL4150

0.54...0.62

0.66...0.74

0.76...0.86

0.82...0.92

8.87...1.00

1

10

50

100

200

< 100

< 100.000

50

50 (Tj = 150°C)

< 4

LL4151

< 1

50

< 50

< 50.000

50

50 (Tj = 150°C)

< 2

LL4448

0.62...0.72

< 1

5

100

< 25

< 5.000

< 50.000

20

75

20 (Tj = 150°C)

< 4

Thermal resistance junction to ambient air

Wärmewiderstand Sperrschicht – umgebende Luft

RthA

< 300 K/W 1)

2

IF = 10 mA through/über IR = 10 mA to/auf IR = 1 mA, VR = 6 V, RL = 100 Ω

1

Mounted on P.C. board with 25 mm2 copper pads at each terminals

Montage auf Leiterplatte mit 25 mm2 Kupferbelag (Lötpad) an jedem Anschluss

2

http://www.diotec.com/

120

100

80

60

40

20

0

[%]

I

FAV

Rated forward current versus ambient temperature )

Zul. Richtstrom in Abh. von der Umgebungstemp. )

1

[°C]

T

A

150

100

50

0

Forward characteristics (typical values)

Durchlasskennlinien (typische Werte)

T = 25°C

j

T = 125°C

j

V

F

[V] 1.4

1.0

0.8

0.6

0.4

0

[A]

I

F

10-3

10-2

10-1

1

10

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