VS-20L15TSPbF
Vishay High Power Products
Schottky Rectifier, 20 A
FEATURES
Base cathode 2
• • • • •
3 Anode
D2PAK
1 N/C
•
• • • •
20 A 15 V 600 mA at 100 °C
PRODUCT SUMMARY
IF(AV) VR IRM
125 °C TJ operation (VR < 5 V) Single diode configuration Optimized for OR-ing applications Ultralow forward voltage drop Guard ring for enhanced ruggedness and long term reliability High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C Halogen-free according to IEC 61249-2-21 definition Compliant to RoHS directive 2002/95/EC AEC-Q101 qualified
DESCRIPTION
The 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.
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL IF(AV) VRRM IFSM VF TJ tp = 5 μs sine 19 Apk, TJ = 125 °C (typical) Range CHARACTERISTICS Rectangular waveform VALUES 20 15 700 0.25 - 55 to 125 UNITS A V A V °C
VOLTAGE RATINGS
PARAMETER Maximum DC reverse voltage Maximum working peak reverse voltage SYMBOL VR VRWM TEST CONDITIONS TJ = 100 °C VS-20L15TSPbF 15 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 IF(AV) TEST CONDITIONS 50 % duty cycle at TC = 85 °C, rectangular waveform 5 μs sine or 3 μs rect. pulse IFSM 10 ms sine or 6 ms rect. pulse EAS IAR TJ = 25 °C, IAS = 2 A, L = 6 mH Current decaying linearly to zero in 1 μs Frequency limited by TJ maximum VA = 1.5 x VR typical Following any rated load condition and with rated VRRM applied VALUES 20 700 330 10 2 mJ A A UNITS
Document Number: 94166 Revision: 12-Mar-10
For technical questions, contact: diodestech@vishay.com
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VS-20L15TSPbF
Vishay High Power Products Schottky Rectifier, 20 A
ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL 19 A Forward voltage drop See fig. 1 VFM (1) 40 A 19 A 40 A Reverse leakage current See fig. 2 Threshold voltage Forward slope resistance Maximum junction capacitance Typical series inductance Maximum voltage rate of change IRM (1) VF(TO) rt CT LS dV/dt TJ = 25 °C TJ = 100 °C TJ = TJ maximum VR = 5 VDC, (test signal range 100 kHz to 1 MHz), 25 °C Measured lead to lead 5 mm from package body Rated VR 8 10 000 TEST CONDITIONS TJ = 25 °C TJ = 125 °C VR = Rated VR TYP. 0.25 0.37 0.182 7.6 2000 MAX. 0.41 0.52 0.33 0.50 10 600 mA V mΩ pF nH V/μs V UNITS
Note (1) Pulse width < 300 μs, duty cycle < 2 %
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER Maximum junction temperature range Maximum storage temperature range Maximum thermal resistance, junction to case Typical thermal resistance, case to heatsink Maximum thermal resistance, junction to ambient Approximate weight minimum maximum SYMBOL TJ TStg RthJC RthCS RthJA DC operation See fig. 4 Mounting surface, smooth and greased (For TO-220) DC operation TEST CONDITIONS VALUES - 55 to 125 °C - 55 to 150 1.5 0.50 40 2 0.07 Non-lubricated threads Case style D2PAK 6 (5) 12 (10) 20L15TS g oz. kgf ⋅ cm (lbf ⋅ in) °C/W UNITS
Mounting torque Marking device
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For technical questions, contact: diodestech@vishay.com
Document Number: 94166 Revision: 12-Mar-10
VS-20L15TSPbF
Schottky Rectifier, 20 A Vishay High Power Products
1000
1000
IR - Reverse Current (mA)
TJ = 100 °C
100
IF - Instantaneous Forward Current (A)
100
TJ = 75 °C TJ = 50 °C
10
10
TJ = 125 °C TJ = 75 °C TJ = 25 °C
TJ = 25 °C
1
1
0.1
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
3
6
9
12
15
VFM - Forward Voltage Drop (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
VR - Reverse Voltage (V)
Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage
10 000
CT - Junction Capacitance (pF)
TJ = 25 °C
1000
100
0
5
10
15
20
VR - Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
ZthJC - Thermal Impedance (°C/W)
10
1
PDM
0.1 Single pulse (themal resistance)
D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20
t1 t2
Notes: 1. Duty factor D = t1/t2 2. Peak TJ = PDM x ZthJC + TC 0.1 1 10 100
0.01 0.00001
0.0001
0.001
0.01
t1 - Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
Document Number: 94166 Revision: 12-Mar-10
For technical questions, contact: diodestech@vishay.com
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VS-20L15TSPbF
Vishay High Power Products Schottky Rectifier, 20 A
100 95 90 14
Allowable Case Temperature (°C)
Average Power Loss (W)
12 10 8 6 4 2 0
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75
Square wave (D = 0.50)
85 80 75
RMS limit
See note (1)
70
DC
0
4
8
12
16
20
24
0
5
10
15
20
25
30
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current
IF(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
IFSM - Non-Repetitive Surge Current (A)
1000
At any rated load condition and with rated VRRM applied following surge
100
10
100
1000
10 000
tp - Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current
L High-speed switch Freewheel diode 40HFL40S02 + Vd = 25 V
D.U.T.
IRFP460 Rg = 25 Ω
Current monitor
Fig. 8 - Unclamped Inductive Test Circuit Note Formula used: TC = TJ - (Pd + PdREV) x RthJC; Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6); PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated VR
(1)
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For technical questions, contact: diodestech@vishay.com
Document Number: 94166 Revision: 12-Mar-10
VS-20L15TSPbF
Schottky Rectifier, 20 A Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
VS1 1 2 3 4 5 6 7 -
20
2
L
3
15
4
T
5
S
6
TRL PbF
7 8
HPP product suffix Current rating (20 A) L = Low VF Voltage rating (15 = 15 V) T = Schottky series S = D2PAK None = Tube (50 pieces) TRL = Tape and reel (left oriented) TRR = Tape and reel (right oriented)
8
-
PbF = Lead (Pb)-free
LINKS TO RELATED DOCUMENTS
Dimensions Part marking information Packaging information
www.vishay.com/doc?95014 www.vishay.com/doc?95008 www.vishay.com/doc?95032
Document Number: 94166 Revision: 12-Mar-10
For technical questions, contact: diodestech@vishay.com
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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
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