Schottky Barrier Diodes
MINI-MELF Outline Dimensions
* Small surface mounting type
* High reliability
* Low reverse current and low forward voltage
* Low current rectification and high speed switching
*Case : MINI-MELF Glass Case (SOD-80)
*Polarity: Color Band Denotescathode Band
*Weight : Approx 0.05 gram
Mechanical Data:
Features:
LL103A/B/C
WEITRON
http//www.weitron.com.tw
Schottky Barrier Diode
350 mAMPERES
20-40 VOLTS
MINI-MELF
Unit:mm
A
B
C
Dim
A
B
C
Min
3.30
1.30
0.28
Max
3.70
1.60
0.50
MINI MELF
Lead(Pb)-Free
P b
1/3 24-Feb-06
Maximum Ratings (TA=25°C Unless otherwise noted)
Characteristic
Pepetitive Peak Reverse Voltage
Symbol
VRRM
IFSM
LL103A LL103B LL103C Unit
V
A
TJ
TSTG
+175
250
-65 to +175
Electrical Characteristics (TA=25°C Unless otherwise noted)
Characteristic Symbol Min Tpy Max Unit
V
Reverse Recovery Time
IF= IR=200mA to 0.1mA IR
IR
VF
IF
PD
RθJA
A
m
W
m
°C
K/W
°C
Forward Voltage
IF = 20mA
IF = 200mA
CDPF
WEITRON
http//www.weitron.com.tw
Forward Continuous Current, TA=25 °C
Power dissipation,TA=25°C
Repetitive peak forward current
tp ≤ 1s
Operating Temperature Range
Junction ambient
On PC board 50mm×50mm×1.6mm
3040
1.0
350
400
20
LL103A
LL103B
LL103C
Diode capacitance
VR=VF=0, f=1MHz
Rverse Current
VR=30V
VR=20V
VR=10V
Trr
0.37
0.6
50
-
µA
nS
-
-
-
-
5.0
5.0
5.0
-
-
-
-
-
-
- -
- 10
Strorage Temperature Range
LL103A/B/C
2/3 24-Feb-06
LL103A/B/C
WEITRON
http//www.weitron.com.tw
Fig. 1 Forward Current vs. Forward Voltage
VF– Forward Voltage ( mV )
Fig. 2 Forward Current vs. Forward Voltage
)A(
t
ne
r
ru
C
drawroF–
I
0
1
2
3
4
5
0.0 0.5 1.0 1.5
V
F
– Forward Voltage ( V )
F
Fig. 3 Reverse Voltage vs. Junction Temperature Fig. 4 Diode Capacitance vs. Reverse Voltage
Fig. 6 Reverse Current vs. Reverse Voltage
T
j
– Junction Temperature (°
C )
µA)
(
t
n
e
rr
u
C
esreveR
–I
R
1
10
100
1
0.1
10
100
1000
0 10 20 30 40 50
VR–Reverse Voltage ( V )
0 10 20 30 40 50
VR–Reverse Voltage ( V )
)Fp(
e
c
n
at
ic
ap
a
CedoiD–C
D
Fig. 5 Forward Current vs. Pulse width
t
p– Pulse width ( ms )
Typical Characteristics (TA = 25 °C unless otherwise specified)
IF Forward Current(mA)
3/3 24-Feb-06
1000
100
10
1
0.1
0.01
0 500 1000
0 100 200
)A(
t
ne
r
ru
C
drawroF–
I
F
0
10
20
30
40
50
0
10
20
30
40
50
0.001 0.01 0.1 1.0 10 100 1000
TA=125°C
IF=400mA
IF=200mA
IF=100mA
TA=100°C
TA=75°C
TA=50°C
TA=25°C
VR-Reverse Voltage (V)
