RB731U
SURFACE MOUNT TRIPLE SCHOTTKY DIODES
This device features three electrically-isolated Schottky diodes housed in a
very small SOT-23-6L package. It is ideal for applications where board
space is at a premium.
SOT- 23-6L
4
5
6
2
1
3
FEATURES
Low reverse leakage current (guaranteed <0.98uA @
25V)
Reverse voltage rating of 40V
Lead-free plating (100% matte tin finish)
4
4
APPLICATIONS
Mobile phones and accessories
Video game consoles connector ports
1
1
2
2
Device Marking: 731
MAXIMUM RATINGS (Per Diode)
T
J
= 25°C Unless otherwise noted
Rating
Repetitive Peak Reverse Voltage
Continuous Reverse Voltage
Average Rectified Forward Current
Non-repetitive Peak Forward Current (60Hz, 1 cycle)
Total Power Dissipation (Note 1)
Operating Junction Temperature Range
Storage Temperature Range
Note 1. FR-4 Board
70
x
60
x
1mm.
Symbol
V
RRM
V
R
I
O
I
FSM
P
tot
T
J
T
stg
Value
40
40
30
200
225
-55 to 125
-65 to 150
Units
V
V
mA
mA
mW
°C
°C
THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance, Junction to Ambient
Symbol
R
thetaJA
Value
556
Units
°C/W
2/23/2009
Page 1
www.panjit.com
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
PDA's
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
6
6
5
5
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
RB731U
ELECTRICAL CHARACTERISTICS (Per Diode)
Tj = 25°C Unless otherwise noted
Parameter
Breakdown Voltage (Note 1)
Forward Voltage (Note 1)
Reverse Leakage Current (Note 1)
Total Capacitance
Reverse Recovery Time
(See Figure 1)
Symbol
V
BR
V
F
I
R
C
T
t rr
Conditions
I
BR
= 10uA
I
F
= 1mA
V
R
=
25V
1Vdc Bias, f =1 MHz
I
F
= 10mA, I
R
= 10mA
R
L
= 100 Ohms;
measured at I
Rrec
= 1mA
Min
40
-
-
-
-
Typ
-
-
-
2.0
-
Max
-
370
0.98
5.0
5.0
Units
V
mV
uA
pF
ns
Note 1. Short duration pulse to minimize self-heating effect
820
Ω
+10 V
2 .0 k
Ω
100 µH
0 .1 µ F
I
F
0 .1 µ F
?
DUT
5 0
Ω
O u tp u t
P u ls e
G e n e ra to r
5 0
Ω
In p u t
S a m p li n g
O s c il lo s c o p e
Notes: 1. A 2.0kΩ variable resistor adjusted for a forward current (I
F
) to 10mA
2. Input pulse is adjusted to I
R(peak)
is equal to 10mA
Figure 1. REVERSE RECOVERY TIME EQUIVALENT TEST CIRCUIT
2/23/2009
Page 2
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RB731U
TYPICAL CHARACTERISTIC CURVES (Per Diode)
100
100
T
J
= 125 °C
(uA)
T
J
= 125 °C
R
10
T
J
= 75 °C
(mA)
Reverse Leakage Current, I
F
10
Forward Current, I
1
1
T
J
= 75 °C
T
J
= -25 °C
0.1
T
J
= 25 °C
0.01
T
J
= -25 °C
T
J
= 25 °C
0.1
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.001
0
10
20
30
40
Forward Voltage , V
F
(V)
Reverse Voltage, V
R
(V)
Fig. 2. Typical Forward Characteristics
Fig. 3. Typical Reverse Characteristics
3.5
3
(pF)
f=1.0MHz
2.5
2
1.5
1
0.5
0
0
10
20
Reverse Voltage, V
R
(V)
Total Capacitance, C
T
30
40
Fig. 4. Typical Capacitance
2/23/2009
Page 3
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RB731U
PACKAGE LAYOUT AND SUGGESTED PAD DIMENSIONS
SOT23-6L
Unit
：
inch(mm)
SOT-23 6L
Unit
：
inch(mm)
0.024
(0.60)
0.119(3.00)
0.110(2.80)
0.075(1.90)
BSC
0.009(0.22)
0.003(0.08)
0.020(0.50)
0.012(0.30)
0.051(1.30)
0.035(0.90)
0.006(0.15)
MAX.
0.057(1.45)
MAX.
0.119(3.00)
0.102(2.60)
0.067(1.70)
0.059(1.50)
0.037
(0.95)
0.037
(0.95)
ORDERING INFORMATION
RB731U T/R7 - 7" reel, 3K units per reel
RB731U T/R13 - 13" reel, 10K units per reel
2/23/2009
Page 4
www.panjit.com
Part No_packing code_Version
RB731U_R1_00001
RB731U_R2_00001
For example :
RB500V-40_R2_00001
Part No.
Serial number
Version code means HF
Packing size code means 13"
Packing type means T/R
Packing Code
XX
Packing type
Tape and Ammunition Box
(T/B)
Tape and Reel
(T/R)
Bulk Packing
(B/P)
Tube Packing
(T/P)
Tape and Reel (Right Oriented)
(TRR)
Tape and Reel (Left Oriented)
(TRL)
FORMING
1
st
Code
A
R
B
T
S
L
F
Packing size code
N/A
7"
13"
26mm
52mm
PANASERT T/B CATHODE UP
(PBCU)
PANASERT T/B CATHODE DOWN
(PBCD)
Version Code
XXXXX
2
nd
Code
HF or RoHS
1
st
Code 2
nd
~5
th
Code
0
1
2
X
Y
U
D
HF
RoHS
0
1
serial number
serial number
2/23/2009
PAGE .
5
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