50SQ... Series
Vishay High Power Products
Schottky Rectifier, 5 A
FEATURES
• 175 °C T
J
operation
• Low forward voltage drop
• High frequency operation
Cathode
Anode
• High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
• Guard ring for enhanced ruggedness and long term
reliability
• Lead (Pb)-free plating
• Compliant to RoHS directive 2002/95/EC
• Designed and qualified for industrial level
DO-204AR
PRODUCT SUMMARY
I
F(AV)
V
R
5A
60 V to 100 V
DESCRIPTION
The 50SQ... axial leaded Schottky rectifier series has been
optimized for low reverse leakage at high temperature. The
proprietary barrier technology allows for reliable operation
up to 175 °C junction temperature. 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
CHARACTERISTICS
Rectangular waveform
Range
t
p
= 5 μs sine
5 Apk, T
J
= 125 °C
Range
VALUES
5
60 to 100
1900
0.52
- 55 to 175
UNITS
A
V
A
V
°C
VOLTAGE RATINGS
PARAMETER
Maximum DC reverse voltage
Maximum working peak reverse voltage
SYMBOL
V
R
V
RWM
50SQ060
60
50SQ080
80
50SQ100
100
UNITS
V
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Maximum average forward current
See fig. 5
Maximum peak one cycle
non-repetitive surge current
See fig. 7
Non-repetitive avalanche energy
Repetitive avalanche current
SYMBOL
I
F(AV)
TEST CONDITIONS
50 % duty cycle at T
C
= 119 °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
T
J
= 25 °C, I
AS
= 1.0 A, L = 15 mH
Current decaying linearly to zero in 1 μs
Frequency limited by, T
J
maximum V
A
= 1.5 x V
R
typical
Following any rated load
condition and with rated
V
RRM
applied
VALUES
5
1900
290
7.5
1.0
mJ
A
A
UNITS
Document Number: 93355
Revision: 27-Jan-09
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
1
50SQ... Series
Vishay High Power Products
Schottky Rectifier, 5 A
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
5A
Maximum forward voltage drop
See fig. 1
V
FM (1)
10 A
5A
10 A
Maximum reverse leakage current
See fig. 2
Maximum junction capacitance
Typical series inductance
Maximum voltage rate of change
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
T
J
= 125 °C
V
R
= Rated V
R
VALUES
0.66
0.77
0.52
0.62
0.55
7
500
10
10 000
mA
pF
nH
V/μs
V
UNITS
V
R
= 5 V
DC
, (test signal range 100 kHz to 1 MHz), 25 °C
Measured lead to lead 5 mm from body
Rated V
R
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
Maximum junction and storage
temperature range
Maximum thermal resistance,
junction to lead
Typical thermal resistance,
junction to air
Approximate weight
SYMBOL
T
J
, T
Stg
R
thJL
R
thJA
DC operation; see fig. 4
1/8" lead length
TEST CONDITIONS
VALUES
- 55 to 175
8.0
°C/W
44
1.4
0.049
50SQ060
Marking device
Case style DO-204AR (JEDEC)
50SQ080
50SQ100
g
oz.
UNITS
°C
www.vishay.com
2
For technical questions, contact:
diodestech@vishay.com
Document Number: 93355
Revision: 27-Jan-09
50SQ... Series
Schottky Rectifier, 5 A
Vishay High Power Products
100
100
T
J
= 175°C
Revers Current - I
R
(mA)
e
10
1
0.1
0.01
0.001
150°C
125°C
100°C
75°C
50°C
25°C
Ins
tantaneous Forward Current - I
F
(A)
10
0.0001
T = 175°C
J
T = 125°C
J
T = 25°C
J
0
20
40
60
80
100
Reverse Voltage - V
R
(V)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage
1000
Junction Capacitance - C
T
(pF)
1
T
J
= 25°C
0.1
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
Forward Voltage Drop - V
FM
(V)
100
0
20
40
60
80
100
Revers Voltage - V
R
(V)
e
Fig. 1 - Maximum Forward Voltage Drop Characteristics
Fig. 3 - Typical Junction Capacitance vs.
Reverse Voltage
10
T
hermal Impedance Z
thJL
(°C/ W)
1
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08
P
DM
= 1/8 inch
t1
0.1
Notes:
S
ingle Pulse
(T
hermal Resistance)
0.01
0.00001
1. Duty factor D = t 1/ t 2
2. Peak T = P
DM
x Z
thJL
+ T
C
J
0.1
1
10
100
t2
0.0001
0.001
0.01
t 1 , Rectangular Pulse Duration (S
econds)
Fig. 4 - Maximum Thermal Impedance Z
thJL
Characteristics
Document Number: 93355
Revision: 27-Jan-09
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
3
50SQ... Series
Vishay High Power Products
Schottky Rectifier, 5 A
175
Allowable Case T
emperature - (°C)
R
thJL
(DC) = 8.0°C/ W
170
165
160
DC
155
150
= 1/8 inch
145
0
2
4
6
8
Average Forward Current - I
F(AV)
(A)
Average Power Loss - (Watts)
3.5
3
2.5
2
1.5 RMS Limit
1
0.5
0
0
1
2
3
4
5
6
7
8
Average Forward Current - I
F(AV)
(A)
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
DC
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
10000
(A)
Fig. 6 - Forward Power Loss Characteristics
Non-Repetitive Surge Current - I
At Any Rated Load Condition
And With Rated V
RRM
Applied
Following Surge
FSM
1000
100
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current
L
High-speed
switch
Freewheel
diode
40HFL40S02
+ V
d
= 25 V
D.U.T.
IRFP460
R
g
= 25
Ω
Current
monitor
Fig. 8 - Unclamped Inductive Test Circuit
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For technical questions, contact:
diodestech@vishay.com
Document Number: 93355
Revision: 27-Jan-09
50SQ... Series
Schottky Rectifier, 5 A
ORDERING INFORMATION TABLE
Device code
Vishay High Power Products
50
1
1
2
3
4
5
-
-
-
-
-
S
2
Q
3
100
4
TR
5
50 = Current x 10
S = DO-204AR
Q = Schottky Q series
Voltage rating
TR = Tape and reel package (1500 pcs)
None = Box package (300 pcs)
060 = 60 V
080 = 80 V
100 = 100 V
LINKS TO RELATED DOCUMENTS
Dimensions
Part marking information
Packaging information
SPICE model
www.vishay.com/doc?95243
www.vishay.com/doc?95325
www.vishay.com/doc?95332
www.vishay.com/doc?95394
Document Number: 93355
Revision: 27-Jan-09
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
5
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