VS-87CNQ020A PbF Series
Vishay High Power Products
Schottky Rectifier
New Generation 3 D-61 Package, 2 x 40 A
VS-87CNQ020APbF
Base
common
cathode
FEATURES
• 150 °C T
J
operation
• Center tap module
• Optimized for 3.3 V application
1
Anode
1
2
Common
cathode
3
Anode
2
• Ultralow forward voltage drop
• High frequency operation
• High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
• Guard ring for enhanced ruggedness and long term
reliability
D-61-8
VS-87CNQ020ASMPbF
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-87CNQ020ASLPbF
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 ultralow forward voltage drop specifically for 3.3 V output
power supplies. The proprietary barrier technology allows
for reliable operation up to 150 °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
at 125 °C
V
R
at 150 °C
I
RM
2 x 40 A
20 V
10 V
550 mA at 125 °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
= 125 °C (per leg)
Range
CHARACTERISTICS
Rectangular waveform
VALUES
80
20
6000
0.32
- 55 to 150
UNITS
A
V
A
V
°C
VOLTAGE RATINGS
PARAMETER
Maximum DC reverse voltage
SYMBOL
V
R
TEST CONDITIONS
125 °C
150 °C
VS-87CNQ020APbF
20
10
UNITS
V
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 94261
Revision: 16-Apr-10
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
1
VS-87CNQ020A PbF Series
Vishay High Power Products
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Maximum average
forward current
per leg
per device
SYMBOL
I
F(AV)
TEST CONDITIONS
50 % duty cycle at T
C
= 135 °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
40
80
6000
1100
36
8
mJ
A
A
UNITS
Schottky Rectifier
New Generation 3 D-61 Package, 2 x 40 A
Maximum peak one cycle
non-repetitive surge current per leg
Non-repetitive avalanche energy per leg
Repetitive avalanche current per leg
T
J
= 25 °C, I
AS
= 8 A, L = 1.12 mH
Current decaying linearly to zero in 1 μs
Frequency limited by T
J
maximum V
A
= 1.5 x V
R
typical
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
40 A
80 A
Maximum forward voltage drop per leg
V
FM (1)
40 A
80 A
40 A
80 A
T
J
= 125 °C
Maximum reverse leakage current per leg
I
RM
(1)
TEST CONDITIONS
T
J
= 25 °C
T
J
= 125 °C
T
J
= 150 °C
V
R
= 5 V
V
R
= 3.3 V
V
R
= 10 V
V
R
= Rated V
R
VALUES
0.45
0.51
0.32
0.39
0.29
0.37
90
70
480
5.5
550
0.191
2.3
6500
5.5
10 000
UNITS
V
T
J
= 150 °C
T
J
= 25 °C
T
J
= 125 °C
mA
Threshold voltage
Forward slope resistance
Maximum junction capacitance per leg
Typical series inductance per leg
Maximum voltage rate of change
Note
(1)
Pulse width < 300 μs, duty cycle < 2 %
V
F(TO)
r
t
C
T
L
S
dV/dt
T
J
= T
J
maximum
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
V
mΩ
pF
nH
V/μs
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
Maximum junction and storage
temperature range
Maximum thermal
resistance, junction to case
Typical thermal resistance,
case to heatsink
Approximate weight
Mounting torque
minimum
maximum
Case style D-61
Marking device
Case style D-61-8-SM
Case style D-61-8-SL
per leg
per package
SYMBOL
T
J
, T
Stg
R
thJC
R
thCS
DC operation
Mounting surface, smooth and greased
Device flatness < 5 mils
TEST CONDITIONS
VALUES
- 55 to 150
0.85
0.42
0.30
7.8
0.28
40 (35)
58 (50)
g
oz.
kgf · cm
(lbf · in)
°C/W
UNITS
°C
87CNQ020A
87CNQ020ASM
87CNQ020ASL
www.vishay.com
2
For technical questions, contact:
diodestech@vishay.com
Document Number: 94261
Revision: 16-Apr-10
VS-87CNQ020A PbF Series
Schottky Rectifier
Vishay High Power Products
New Generation 3 D-61 Package, 2 x 40 A
1000
10 000
I
R
- Reverse Current (mA)
1000
100
10
1
0.1
0.01
I
F
- Instantaneous
Forward Current (A)
T
J
= 150 °C
T
J
= 125 °C
T
J
= 100 °C
T
J
= 75 °C
T
J
= 50 °C
T
J
= 25 °C
100
T
J
= 150 °C
T
J
= 125 °C
T
J
= 25 °C
10
1
0
0.2
0.4
0.6
0.8
1.0
0
5
10
15
20
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
25
V
R
- Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
Z
thJC
- Thermal Impedance (°C/W)
1
0.1
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
P
DM
Single pulse
(thermal resistance)
t
1
t
2
0.01
Notes:
1. Duty factor D = t
1
/t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.001
0.00001
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: 94261
Revision: 16-Apr-10
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
3
VS-87CNQ020A PbF Series
Vishay High Power Products
150
Schottky Rectifier
New Generation 3 D-61 Package, 2 x 40 A
25
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
RMS limit
Allowable Case Temperature (°C)
Average Power Loss (W)
145
140
135
130
125
20
DC
15
Square wave (D = 0.50)
80
% rated V
R
applied
10
DC
5
See note (1)
120
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
Note
(1)
Formula used: T = T - (Pd + Pd
C
J
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
www.vishay.com
4
For technical questions, contact:
diodestech@vishay.com
Document Number: 94261
Revision: 16-Apr-10
VS-87CNQ020A 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
87
2
C
3
N
4
Q
5
020
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 rating (020 = 20 A)
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: 94261
Revision: 16-Apr-10
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
5
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