LL4448 Datasheet, PDF (1/2 Pages) Semtech Corporation – Silicon Expitaxial Planar Diode

LL4148/LL4448
Fast Switching Surface Mount Diode
MINI MELF
Features
— Fast Switching Speed
— Surface Mount Package Ideally Suited for
Automatic Insertion
— ^{General Purpose Rectification}
— Silicon Epitaxial Planar Construction
Mechanical Data
— Case: MiniMELF
— Polarity: Cathode Band
— Marking: Cathode Band Only
— _{Weight: 0.12 grams (approx.)}
Dimension in millimeters
Maximum Ratings and Electrical Characteristics
Rating at 25^oC ambient temperature unless otherwise specified.
Maximum Ratings
Characteristic
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
Non-Repetitive Peak Forward Surge Current @ t = 1.0s
@ t = 1.0ms
Power Dissipation (Note 1)
Derate Above 25°C
Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Symbol
V_RM
VRRM
V_RWM
VR
V_R(RMS)
I_FM
I_O
I_FSM
P_d
R_qJA
T_j , T_STG
LL4148
LL4448
100
75
53
300
500
150
1.0
2.0
500
1.68
300
-65 to +175
Unit
V
V
V
mA
mA
A
mW
mW/°C
K/W
°C
Electrical Characteristics
Characteristic
Maximum Forward Voltage
Maximum Peak Reverse Current
Capacitance
Reverse Recovery Time
LL4148
LL4448
LL4448
Symbol
V_FM
I_RM
C_j
t_rr
Min
¾
0.62
¾
¾
¾
¾
Max
1.0
0.72
1.0
5.0
50
30
25
4.0
4.0
Unit
V
mA
mA
mA
nA
pF
ns
Test Condition
IF = 10mA
I_F = 5.0mA
I_F = 100mA
VR = 75V
V_R = 70V, T_j = 150°C
V_R = 20V, T_j = 150°C
V_R = 20V
V_R = 0, f = 1.0MHz
I_F = 10mA to I_R =1.0mA
V_R = 6.0V, R_L = 100W
Notes: 1. Valid provided that device terminals are kept at ambient temperature.
http://www.luguang.cn
mail:[e-mail]