RB731U
SURFACE MOUNT TRIPLE SCHOTTKY DIODES
1
2
3
4
5
6
1
2
3
4
5
6
FEATURES
APPLICATIONS
Mobile phones and accessories
Video game consoles connector ports
PDA's
MAXIMUM RATINGS (Per Diode)
Rating Symbol Value Units
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.
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
2/23/2009 Page 1 www.panjit.com
40 V
V40
mA30
mA200
225 mW
°C-55 to 125
°C-65 to 150
V
V
I
I
P
T
T
RRM
R
O
FSM
tot
stg
T = 25°C Unless otherwise noted
J
J
Note 1. FR-4 Board 70 x 60 x 1mm.
SOT- 23-6L
THERMAL CHARACTERISTICS
Characteristic Symbol Units
thetaJA
Thermal Resistance, Junction to Ambient 556
Value
R°C/W
123
654
123
654
123
654
123
4
123
4
123
123
4
5
6
123
654
123
654
123
654
123
4
123
4
123
123
654
123
654
123
654
123
4
123
4
123
123
654
123
654
123
654
123
4
123
4
123
123
4
5
6
Device Marking: 731
Lead-free plating (100% matte tin finish)
Low reverse leakage current (guaranteed <0.98uA @ 25V)
Reverse voltage rating of 40V
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2/23/2009 Page 2
ELECTRICAL CHARACTERISTICS (Per Diode)
Parameter Symbol Min Units
Breakdown Voltage (Note 1)
Tj = 25°C Unless otherwise noted
Conditions Typ Max
VBR BR
I =
Forward Voltage (Note 1) VFI =
F
Reverse Leakage Current (Note 1)
I
RR
V =
Total Capacitance
CT
1Vdc Bias, f =1 MHz
Reverse Recovery Time
(See Figure 1)
trr
I = 10mA, I = 10mA
R = 100 Ohms;
measured at I = 1mA
F
R
L
10uA
1mA
25V
40 - - V
--
370 mV
- 0.98 uA-
5.0 pF- 2.0
- 5.0 ns-
+10 V
50 ΩOutput
Pulse
Generator
50 ΩIn p u t
Sampling
O scilloscope
DUT
?
820 Ω
2.0 kΩ0.1 µF
IF
100 µH
0.1 µF
+10 V
50 ΩOutput
Pulse
Generator
50 ΩIn p u t
Sampling
O scilloscope
DUT
?
820 Ω
2.0 kΩ0.1 µF
I
F
100 µH
0.1 µF
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
Note 1. Short duration pulse to minimize self-heating effect
Rrec
RB731U
0
0.5
1
1.5
2
2.5
3
3.5
010203040
Reve rs e Voltage , VR (V)
Total Capacitance, C T (pF)
f=1.0MH
z
Fig. 3. Typical Reverse CharacteristicsFig. 2. Typical Forward Characteristics
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2/23/2009 Page 3
Fig. 4. Typical Capacitance
TYPICAL CHARACTERISTIC CURVES (Per Diode)
RB731U
0.001
0.01
0.1
1
10
100
0 10203040
Reverse Voltage, VR (V)
Reverse Leakage Current, I R (uA)
T
J
= 25 °C
T
J
= 75 °C
T
J
= 125 °C
T
J
= -25 °C
0.1
1
10
100
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Forward Voltage, V
F
(V)
Forward Current, I
F
(mA)
T
J
= -25 °C
T
J
= 25 °C
T
J
= 75 °C
T
J
= 125 °C
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2/23/2009 Page 4
ORDERING INFORMATION
RB731U T/R7 - 7" reel, 3K units per reel
RB731U T/R13 - 13" reel, 10K units per reel
PACKAGE LAYOUT AND SUGGESTED PAD DIMENSIONS
RB731U
SOT-23 6L
0.024
(0.60)
0.037
(0.95)
0.037
(0.95)
Unit inch(mm)：
SOT23-6L
Unit inch(mm)：
0.119(3.00)
0.110(2.80)
0.067(1.70)
0.059(1.50)
0.119(3.00)
0.102(2.60)
0.020(0.50)
0.012(0.30)
0.057(1.45)
MAX.
0.051(1.30)
0.035(0.90)
0.006(0.15)
MAX.
0.009(0.22)
0.003(0.08)
0.075(1.90)
BSC
PAGE . 5
2/23/2009
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 Version Code XXXXX
Packing type 1st Code Packing size code 2nd Code HF or RoHS 1st Code 2nd~5th Code
Tape and Ammunition Box
(T/B) AN/A 0HF 0 serial number
Tape and Reel
(T/R) R7" 1RoHS 1 serial number
Bulk Packing
(B/P) B13" 2
Tube Packing
(T/P) T26mm X
Tape and Reel (Right Oriented)
(TRR) S52mm Y
Tape and Reel (Left Oriented)
(TRL) LPANASERT T/B CATHODE UP
(PBCU) U
FORMING FPANASERT T/B CATHODE DOWN
(PBCD) D
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Disclaimer
z Reproducing and modifying information of the document is prohibited without
permission from Panjit International Inc..
z Panjit International Inc. reserves the rights to make changes of the content herein the
document anytime without notification. Please refer to our website for the latest
document.
z Panjit International Inc. disclaims any and all liability arising out of the application or
use of any product including damages incidentally and consequentially occurred.
z Panjit International Inc. does not assume any and all implied warranties, including
warranties of fitness for particular purpose, non-infringement and merchantability.
z Applications shown on the herein document are examples of standard use and
operation. Customers are responsible in comprehending the suitable use in particular
applications. Panjit International Inc. makes no representation or warranty that such
applications will be suitable for the specified use without further testing or modification.
z The products shown herein are not designed and authorized for equipments requiring
high level of reliability or relating to human life and for any applications concerning
life-saving or life-sustaining, such as medical instruments, transportation equipment,
aerospace machinery et cetera. Customers using or selling these products for use in
such applications do so at their own risk and agree to fully indemnify Panjit
International Inc. for any damages resulting from such improper use or sale.
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PAGE . 6
2/23/2009