TSC LL914BL1

LL4148/LL4448/LL914B
500mW High Speed SMD Switching Diode
Small Signal Diode
Mini-MELF (LL34)
HERMETICALLY SEALED GLASS
C
Features
—Fast switching device(Trr<4.0nS)
—Surface device type mounting
B
—Moisture sensitivity level 1
D
—Matte Tin(Sn) lead finish with Nickel(Ni) underplate
—Pb free version and RoHS compliant
—All External Surfaces are Corrosion Resistant and
Leads are Readily Solderable
A
Unit (mm)
Unit (inch)
Min
Max
Min
A
3.30
3.70
0.130 0.146
Dimensions
Mechanical Data
—Case : Mini-MELF Package (JEDEC DO-213AC)
Max
—High temperature soldering guaranteed : 270°C/10s
B
1.40
1.60
0.055 0.063
—Polarity : Indicated by cathode band
C
0.25
0.40
0.010 0.016
—Weight : 50.8 ± 0.5 mg
D
1.25
1.40
0.049 0.055
Ordering Information
Part No.
Package
Packing
LLxxxx L1
Mini-MELF
2.5Kpcs / 7" Reel
LLxxxx L0
Mini-MELF
10Kpcs / 13" Reel
Maximum Ratings and Electrical Characteristics
Rating at 25°C ambient temperature unless otherwise specified.
Maximum Ratings
Type Number
Symbol
Value
Units
PD
500
mW
Non-Repetitive Peak Reverse Voltage
VRSM
100
V
Repetitive Peak Reverse Voltage
VRRM
75
V
Power Dissipation
Peak Forward Surge Current
Pulse Width 8.3ms
IFSM
A
2.0
Non-Repetitive Peak Forward Current
IFM
450
mA
Mean Forward Current
IO
150
mA
RθJA
300
°C/W
TJ, TSTG
-65 to + 200
°C
Thermal Resistance (Junction to Ambient) (Note 1)
Junction and Storage Temperature Range
Electrical Characteristics
Type Number
Reverse Breakdown Voltage
Min
Symbol
IR=100uA
IR=5uA
Max
100
V(BR)
Units
V
75
Forward Voltage
LL4448, LL914B
IF=5.0mA
LL4148
IF=10.0mA
LL4448, LL914B
Reverse Leakage Current
Junction Capacitance
Reverse Recovery Time (Note 2)
VF
0.62
VR=20V
VR=0, f=1.0MHz
1.0
V
1.0
IF=100.0mA
VR=75V
0.72
25
nA
5.0
μA
CJ
4.0
pF
Trr
4.0
ns
IR
Notes:1. Valid provided that electrodes are kept at ambient temperature
Notes:2. Reverse Recovery Test Conditions: IF=IR=10mA, RL=100Ω, IRR=1mA
Version : D09
LL4148/LL4448/LL914B
500mW High Speed SMD Switching Diode
Small Signal Diode
Rating and Sharacteristic Curves
FIG 1 Typical Forward Characteristics
FIG 2 Reverse Current vs Reverse Voltage
100
Reverse Current (uA)
Forward Current (A)
1
0.1
Ta=25°C
0.01
10
Ta=25°C
1
0.1
0.001
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0.01
0
20
Forward Voltage (V)
60
80
100
120
Reverse Voltage (V)
FIG 4 Typical Junction Capacitance
FIG 3 Admissible Power Dissipation Curve
1.5
Junction Capacitance (pF)
500
Power Dissipation (mW)
40
400
300
200
100
0
1.2
0.9
0.6
0.3
0
0
25
50
75
100
125
150
175
200
0
5
10
15
20
25
30
Reverse Voltage (V)
Ambient Temperature (°C)
FIG 5 Forward Resistance vs. Forward Current
Dynamic Forward Resistance (Ώ)
10000
1000
100
10
1
0
0
1
Forward Current (mA)
10
100
Version : C09