VS-85CNQ015A PbF Series
Vishay High Power Products
Schottky Rectifier
New Generation 3 D-61 Package, 2 x 40 A
VS-85CNQ015APbF
Base
common
cathode
FEATURES
• 125 °C T
J
operation (V
R
< 5 V)
• Center tap module
• Optimized for OR-ing applications
1
Anode
1
2
Common
cathode
3
Anode
2
• Ultra low forward voltage drop
• High frequency operation
• Guard ring for enhanced ruggedness and long term
reliability
• High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
D-61-8
VS-85CNQ015ASMPbF
1
Anode
1
2
Common
cathode
3
Anode
2
• New fully transfer-mold low profile, small footprint, high
current package
• Through-hole versions are currently available for use in
lead (Pb)-free applications (“PbF” suffix)
D-61-8-SM
VS-85CNQ015ASLPbF
Base
common
cathode
• Compliant to RoHS directive 2002/95/EC
• Designed and qualified for industrial level
3
Anode
2
1
DESCRIPTION
The center tap Schottky rectifier module has been optimized
for ultra low forward voltage drop specifically for the OR-ing
of parallel power supplies. The proprietary barrier
technology allows for reliable operation up to 125 °C
junction temperature. Typical applications are in parallel
switching power supplies, converters, reverse battery
protection, and redundant power subsystems.
D-61-8-SL
Anode
1
PRODUCT SUMMARY
I
F(AV)
V
R
I
RM
2 x 40 A
15 V
1000 mA at 100 °C
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
I
F(AV)
V
RRM
I
FSM
V
F
T
J
t
p
= 5 μs sine
40 Apk, T
J
= 75 °C (per leg)
Range
CHARACTERISTICS
Rectangular waveform
VALUES
80
15
5200
0.32
- 55 to 125
UNITS
A
V
A
V
°C
VOLTAGE RATINGS
PARAMETER
Maximum DC reverse voltage
Maximum working peak reverse voltage
SYMBOL
V
R
V
RWM
VS-85CNQ015APbF
15
25
UNITS
V
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 94260
Revision: 16-Apr-10
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
1
VS-85CNQ015A PbF Series
Vishay High Power Products
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Maximum average forward current
See fig. 5
Maximum peak one cycle
non-repetitive surge current per leg
See fig. 7
Non-repetitive avalanche energy per leg
Repetitive avalanche current per leg
SYMBOL
I
F(AV)
TEST CONDITIONS
50 % duty cycle at T
C
= 78 °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
= 2 A, L = 4.5 mH
Current decaying linearly to zero in 1 μs
Frequency limited by T
J
maximum V
A
= 3 x V
R
typical
Following any rated
load condition and with
rated V
RRM
applied
VALUES
80
5200
850
9
2
mJ
A
A
UNITS
Schottky Rectifier
New Generation 3 D-61 Package, 2 x 40 A
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
40 A
Maximum forward voltage drop per leg
See fig. 1
V
FM (1)
80 A
40 A
80 A
T
J
= 100 °C
Maximum reverse leakage current per leg
See fig. 2
I
RM (1)
T
J
= 25 °C
T
J
= 100 °C
Maximum junction capacitance per leg
Typical series inductance per leg
Maximum voltage rate of change
Note
(1)
Pulse width < 300 μs, duty cycle < 2 %
C
T
L
S
dV/dt
TEST CONDITIONS
T
J
= 25 °C
T
J
= 75 °C
V
R
= 12 V
V
R
= 5 V
V
R
= Rated V
R
VALUES
0.36
0.45
0.32
0.42
890
540
20
1000
3600
5.5
10 000
pF
nH
V/μs
mA
V
UNITS
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
per leg
Maximum thermal resistance,
junction to case
per package
Typical thermal resistance,
case to heatsink
Approximate weight
minimum
maximum
Case style D-61
Marking device
Case style D-61-8-SM
Case style D-61-8-SL
SYMBOL
T
J
, T
Stg
R
thJC
R
thCS
DC operation (see fig. 4)
DC operation
Mounting surface, smooth and greased
Device flatness < 5 mils
TEST CONDITIONS
VALUES
- 55 to 125
0.85
0.42
0.30
7.8
0.28
40 (35)
58 (50)
g
oz.
kgf · cm
(lbf · in)
°C/W
UNITS
°C
Mounting torque
85CNQ015A
85CNQ015ASM
85CNQ015ASL
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2
For technical questions, contact:
diodestech@vishay.com
Document Number: 94260
Revision: 16-Apr-10
VS-85CNQ015A PbF Series
Schottky Rectifier
Vishay High Power Products
New Generation 3 D-61 Package, 2 x 40 A
1000
1000
100
I
R
- Reverse Current (mA)
T
J
= 100 °C
I
F
- Instantaneous
Forward Current (A)
100
T
J
= 75 °C
10
T
J
= 100 °C
T
J
= 75 °C
T
J
= 25 °C
10
T
J
= 50 °C
1
T
J
= 25 °C
1
0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
5
10
15
V
FM
- Forward Voltage Drop (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
(Per Leg)
10 000
V
R
- Reverse Voltage (V)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
C
T
- Junction Capacitance (pF)
T
J
= 25 °C
1000
0
5
10
15
20
V
R
- Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
Z
thJC
- Thermal Impedance (°C/W)
1
P
DM
0.1
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08
t
1
t
2
Single pulse
(thermal resistance)
0.01
0.00001
Notes:
1. Duty factor D = t
1
/t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.0001
0.001
0.01
0.1
1
10
100
t
1
- Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics (Per Leg)
Document Number: 94260
Revision: 16-Apr-10
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
3
VS-85CNQ015A PbF Series
Vishay High Power Products
105
Schottky Rectifier
New Generation 3 D-61 Package, 2 x 40 A
20
Allowable Case Temperature (°C)
R
thJC
(DC) = 0.85 °C/W
100
Average Power Loss (W)
15
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
RMS limit
95
10
DC
90
DC
5
85
80
0
0
10
20
30
40
50
60
0
10
20
30
40
50
60
I
F(AV)
- Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
I
F(AV)
- Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
I
FSM
- Non-Repetitive Surge Current (A)
10 000
1000
At any rated load condition
and with rated V
RRM
applied
following surge
100
10
100
1000
10 000
t
p
- Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
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: 94260
Revision: 16-Apr-10
VS-85CNQ015A PbF Series
Schottky Rectifier
Vishay High Power Products
New Generation 3 D-61 Package, 2 x 40 A
ORDERING INFORMATION TABLE
Device code
VS-
1
85
2
C
3
N
4
Q
5
015
6
A
7
PbF
8
1
-
-
-
-
-
-
-
HPP product suffix
Current rating (80 A)
Circuit configuration:
C = Common cathode
Package:
N = D-61
Schottky “Q” series
Voltage ratings (015 = 15 V)
Package style:
A = D-61-8
ASM = D-61-8-SM
ASL = D-61-8-SL
2
3
4
5
6
7
8
-
None = Standard production
PbF = Lead (Pb)-free
Standard pack quantity: A = 10 pieces; ASM/ASL = 20 pieces
LINKS TO RELATED DOCUMENTS
Dimensions
Part marking information
www.vishay.com/doc?95354
www.vishay.com/doc?95356
Document Number: 94260
Revision: 16-Apr-10
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
5
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