31DQ09G, 31DQ10G
Vishay High Power Products
Schottky Rectifier, 3.3 A
FEATURES
• Low profile, axial leaded outline
• High frequency operation
• Very low forward voltage drop
Cathode
Anode
• High purity, high temperature epoxy encapsulation
forenhanced mechanical strength and moisture resistance
• Guard ring for
termreliability
enhanced
ruggedness
and
long
C-16
• Lead (Pb)-free plating
• Designed and qualified for industrial level
PRODUCT SUMMARY
I
F(AV)
V
R
3.3 A
90/100 V
DESCRIPTION
The 31DQ..G axial leaded Schottky rectifier has been
optimized for very low forward voltage drop, with moderate
leakage. Typical applications are in switching power
supplies, converters, freewheeling diodes, and reverse
battery protection.
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
I
F(AV)
V
RRM
I
FSM
V
F
T
J
t
p
= 5 µs sine
3 Apk, T
J
= 25 °C
CHARACTERISTICS
Rectangular waveform
VALUES
3.3
90/100
370
0.85
- 40 to 150
UNITS
A
V
A
V
°C
VOLTAGE RATINGS
PARAMETER
Maximum DC reverse voltage
Maximum working peak reverse voltage
SYMBOL
V
R
V
RWM
31DQ09G
90
31DQ10G
100
UNITS
V
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Maximum average forward current
See fig. 4
Maximum peak one cycle
non-repetitive surge current, T
J
= 25 °C
See fig. 6
Non-repetitive avalanche energy
Repetitive avalanche current
SYMBOL
I
F(AV)
TEST CONDITIONS
50 % duty cycle at T
C
= 53.4 °C, rectangular waveform
5 µs sine or 3 µs rect. pulse
I
FSM
10 ms sine or 6 ms rect. pulse
E
AS
I
AR
Following any rated load
condition and with rated
V
RRM
applied
VALUES
3.3
370
60
3.0
0.5
mJ
A
A
UNITS
T
J
= 25 °C, I
AS
= 1 A, 18 µs square pulse
Current decaying linearly to zero in 1 µs
Frequency limited by T
J
maximum V
A
= 1.5 x V
R
typical
Document Number: 93322
Revision: 06-Nov-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
1
31DQ09G, 31DQ10G
Vishay High Power Products
Schottky Rectifier, 3.3 A
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
3A
Maximum forward voltage drop
See fig. 1
V
FM (1)
6A
3A
6A
Maximum reverse leakage current
See fig. 2
Typical junction capacitance
Typical series inductance
Maximum voltage rate of charge
Note
(1)
Pulse width < 300 µs, duty cycle < 2 %
I
RM (1)
C
T
L
S
dV/dt
T
J
= 25 °C
T
J
= 125 °C
TEST CONDITIONS
T
J
= 25 °C
VALUES
0.85
0.97
0.69
0.80
0.1
3
110
9.0
10 000
mA
pF
nH
V/µs
V
UNITS
T
J
= 125 °C
V
R
= Rated V
R
V
R
= 5 V
DC
(test signal range 100 kHz to 1 MHz) 25 °C
Measured lead to lead 5 mm from package body
Rated V
R
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
Maximum junction and storage
temperature range
Maximum thermal resistance,
junction to ambient
Typical thermal resistance,
junction to lead
Approximate weight
SYMBOL
T
J
, T
Stg
R
thJA
R
thJL
DC operation
Without cooling fin
DC operation
TEST CONDITIONS
VALUES
- 40 to 150
80
°C/W
34
1.2
0.042
Case style C-16
31DQ09G
31DQ10G
g
oz.
UNITS
°C
Marking device
www.vishay.com
2
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93322
Revision: 06-Nov-08
31DQ09G, 31DQ10G
Schottky Rectifier, 3.3 A
Vishay High Power Products
10
Junction Capacitance - C
T
(pF)
1000
T = 25˚C
J
100
Instantaneous Forward Current - I
F
(A)
10
T
J
= 150˚C
0
40
80
120
160
1
T
J
= 125˚C
T
J
= 25˚C
Reverse Voltage - V
R
(V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
150
Allowable Lead Temperature (°C)
120
DC
90
60
Square wave (D = 0.50)
80% Rated V applied
R
30
see note (1)
0.1
0
0.3
0.6
0.9
1.2
0
0
1
2
3
4
5
Average Forward Current - I
F(AV)
(A)
Forward Voltage Drop - V
FM
(V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
Fig. 4 - Maximum Allowable Lead Temperature vs.
Average Forward Current
4
Average Power Loss (Watts)
10
T J = 150˚C
1
Reverse Current - I
R
(mA)
3
0.1
0.01
0.001
125˚C
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
DC
RMS Limit
2
25˚C
1
0.0001
0
0
20
40
60
80
100
Reverse Voltage - V
R
(V)
0
0
1
2
3
4
5
Average Forward Current - I
F(AV)
(A)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage
Fig. 5 - Forward Power Loss Characteristics
(6)
Note
Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward power loss = I
F(AV)
x V
FM
at (I
F(AV)
/D) (see fig. 6); Pd
REV
= Inverse power loss = V
R1
x I
R
(1 - D); I
R
at V
R1
= 80 % rated V
R
Document Number: 93322
Revision: 06-Nov-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
3
31DQ09G, 31DQ10G
Vishay High Power Products
Schottky Rectifier, 3.3 A
1000
Non-Repetitive Surge Current - I
FSM
(A)
100
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
10
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
Fig. 6 - Maximum Non-Repetitive Surge Current
ORDERING INFORMATION TABLE
Device code
31
1
1
2
3
4
5
6
-
-
-
-
-
-
D
2
Q
3
10
4
G
5
TR
6
-
7
31 = 3.3 A (axial and small packages - current is x 10)
D = DO-41 package
Q = Schottky Q.. series
10 = Voltage ratings
G = Schottky generation
None = Box package (500 pcs)
TR = Tape and reel package (1200 pcs)
09 = 90 V
10 = 100 V
7
-
None = Standard production
PbF = Lead (Pb)-free
LINKS TO RELATED DOCUMENTS
Dimensions
Part marking information
Packaging information
SPICE model
http://www.vishay.com/doc?95242
http://www.vishay.com/doc?95304
http://www.vishay.com/doc?95309
http://www.vishay.com/doc?95300
www.vishay.com
4
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93322
Revision: 06-Nov-08
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
1
京公网安备 11010802033920号
EEWORLD
