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LL4448 Datasheet Preview

LL4448 Datasheet

HIGH SPEED SWITCHING DIODE

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LL4448
FEATURES :
• High switching speed: max. 4 ns
• Reverse voltage:max. 75V
• Peak reverse voltage:max. 100 V
• Pb / RoHS Free
MECHANICAL DATA :
Case: MiniMELF Glass Case (SOD-80)
Weight: approx. 0.05g
HIGH SPEED SWITCHING DIODE
MiniMELF (SOD-80C)
Cathode Mark
φ 0.063 (1.64)
0.055 (1.40)
0.142(3.6)
0.134(3.4)
0.019(0.48)
0.011(0.28)
0.049 (1.25)Min.
Mounting Pad Layout
0.098 (2.50)
Max.
0.079 (2.00)Min.
0.197 (5.00)
REF
Dimensions in inches and ( millimeters )
Maximum Ratings and Thermal Characteristics (Rating at 25 °C ambient temperature unless otherwise specified.)
Parameter
Maximum Peak Reverse Voltage
Maximum Reverse Voltage
Maximum Continuous Forward Current
Maximum Average Forward Current (1)
Half Wave Rectification with Resistive Load , f 50 Hz
Maximum Surge Forward Current at t < 1s , Tj = 25°C
Maximum Power Dissipation (1)
Thermal Resistance Junction to Ambient Air (1)
Maximum Junction Temperature
Storage Temperature Range
Note : (1) Valid provided that electrodes are kept at ambient temperature
Symbol
VRM
VR
IF
IF(AV)
IFSM
PD
RθJA
TJ
TS
Value
100
75
200
150
0.5
500
350
175
-65 to + 175
Unit
V
V
mA
mA
A
mW
°C/W
°C
°C
Electrical Characteristics (TJ = 25°C unless otherwise noted)
Parameter
Symbol
Test Condition
Reverse Current
Forward Voltage
VR = 20 V
IR VR = 75 V
VR = 20 V , Tj = 150 °C
VF IF = 100 mA
Diode Capacitance
Cd f = 1MHz ; VR = 0
Reverse Recovery Time
Trr IF = 10 mA to IR = 1mA
VR = 6V , RL = 100
Min.
-
-
-
-
-
-
Typ.
-
-
-
-
-
-
Max.
25
5
50
1.0
4.0
4.0
Unit
nA
µA
µA
V
pF
ns
Page 1 of 2
Rev. 02 : March 25, 2005




EIC

LL4448 Datasheet Preview

LL4448 Datasheet

HIGH SPEED SWITCHING DIODE

No Preview Available !

RATING AND CHARACTERISTIC CURVES ( LL4448 )
FIG. 1 MAXIMUM FORWARD CURRENT
VERSUS AMBIENT TEMPERATURE
200
FIG. 2 TYPICAL FORWARD VOLTAGE
1000
100
150
10
100
TJ = 25°C
1
50
0.1
0
0 100
Ambient Temperature , Ta (°C)
200
0.01
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4
Forward Voltage , VF (V)
FIG. 3 TYPICAL DIODE CAPACITANCE AS
A FUNCTION OF REVERSE VOLTAGE
1.2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0
f = 1MHz;
TJ = 25°C
10
Reverse Voltage , VR (V)
20
FIG. 4 TYPICAL REVERSE CURRENT
VERSUS JUNCTION TEMPERATURE
104
103
102
VR = 20V
10
1
0 100 200
Junction Temperature, Tj (°C)
Page 2 of 2
Rev. 02 : March 25, 2005


Part Number LL4448
Description HIGH SPEED SWITCHING DIODE
Maker EIC
Total Page 2 Pages
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