LL4448 データシートの表示（PDF） - Diotech Company.
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LL4448 Datasheet PDF : 2 Pages
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LL4148 / LL4448
SMALL SIGNAL SWITCHING DIODE
FEATURES
● Silicon epitaxial planar diode
● Fast switching diodes
● 500mw power dissipation
● High temperature soldering guaranteed
250℃/10S at terminals
MECHANICAL DATA
Case: MINI MELF glass sealed envelope.
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.002 ounce, 0.05 grams
MINI MELF (LL-34)
0.020(0.5)
0.012(0.3)
0.146(3.7)
0.130(3.3)
0.063(1.6)
0.055(1.4) DIA.
0.020(0.5)
0.012(0.3)
Dimensions in inches and (millimeters)
Maximum Ratings ( TA=25 C Unless otherwise noted)
Characteristic
Non-Repetitive Peak Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Output Current (1)
Non-Repetitive Peak Forward Surge Current
@t=1.0us
Power Dissipation
Thermal Resistance Junction to Ambient
Operating and Strorage Temperature Range
Symbol
VRM
VPWM
VRWM
VR
IO
IFSM
Pd
RθJA
TJ,TSTG
LL4148 / LL4448
100
75
150
2.0
500
300
-65 to +175
Electrical Characteristics ( TA=25 C Unless otherwise noted)
Characteristic
Reverse Breakdown Voltage
IR = 100ua
Forward Voltage
LL4148 IF=10 mA
LL4448 IF=5 mA
IF=100 mA
Leakage Current
VR=20V
VR=75V
VR =75V, Tj=150 C
Junction Capacitance
Reverse Recovery Time
IF=10 mA, IR=1mA, VR=6V, RL=100Ω
Symbol
V(BR)R
VF
IR
Cj
TRR
Min
100
0.62
-
-
-
-
-
Note: 1.Valid Provided that device Terminals are Kept at Ambient Temperature.
Max
-
1.0
0.72
1.0
25
5
50
4
4
Unit
V
V
mA
A
mW
K/W
C
Unit
V
V
µA
PF
nS
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