LL4148/LL4448/LL914B
500mW High Speed SMD Switching Diode
Small Signal Diode
Mini-MELF (LL34)
HERMETICALLY SEALED GLASS
Features
Fast switching device(T
rr
<4.0nS)
Surface device type mounting
Moisture sensitivity level 1
Matte Tin (Sn) Terminal Finish
Pb free version and RoHS compliant
All External Surfaces are Corrosion Resistant and
Leads are Readily Solderable
Mechanical Data
Case : Mini-MELF Package (JEDEC DO-213AC)
High temperature soldering guaranteed : 270°C/10s
Polarity : Indicated by cathode band
Weight : approx. 31 mg
Dimensions
A
B
C
D
Unit (mm)
Min
3.30
1.40
0.25
1.25
Unit (inch)
Min
0.130
0.055
0.010
0.049
Max
3.70
1.60
0.40
1.40
Max
0.146
0.063
0.016
0.055
Ordering Information
g
Package
LL34
LL34
LL34
LL34
LL34
LL34
Part No.
LL4148 L0
LL4448 L0
LL914B L0
LL4148 L1
LL4448 L1
LL914B L1
Packing
10K / 13" Reel
10K / 13" Reel
10K / 13" Reel
2.5K / 7" Reel
2.5K / 7" Reel
2.5K / 7" Reel
Suggested PAD Layout
ayout
1.25
0.049
2.00
2.50
0.098
5.00
0.197
0.079
Maximum Ratings and Electrical Characteristics
Rating at 25°C ambient temperature unless otherwise specified.
Maximum Ratings
Type Number
Power Dissipation
Repetitive Peak Reverse Voltage
Reverse Voltage
Peak Forward Surge Current (Note 1)
Non-Repetitive Peak Forward Current
Mean Forward Current
Thermal Resistance (Junction to Ambient) (Note 2)
Junction and Storage Temperature Range
Symbol
P
D
V
RRM
V
R
I
FSM
I
FM
I
O
RθJA
T
J
, T
STG
Value
500
100
75
2
450
150
300
-65 to + 200
Units
mW
V
V
A
mA
mA
°C/W
°C
Notes:1. Test Condition : 8.3ms Single half Sine-Wave Superimposed on Rated Load (JEDEC Method)
Notes:2. Valid provided that electrodes are kept at ambient temperature
Version : E10
TSC [ TAIWAN SEMICONDUCTOR COMPANY, LTD ]
