VS-25CTQ...PbF Series, VS-25CTQ...-N3 Series
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Vishay Semiconductors
Schottky Rectifier, 2 x 15 A
Base 2 common cathode
TO-220AB
Anode
2 Anode
1 Common 3
cathode
PRODUCT SUMMARY
Package IF(AV) VR
VF at IF IRM max. TJ max. Diode variation
EAS
TO-220AB 2 x 15 A
25 V, 40 V, 45 V 0.50 V
70 mA at 125 °C 150 °C
Common cathode 20 mJ
FEATURES
• 150 °C TJ operation • Low 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
• Compliant to RoHS Directive 2002/95/EC
• Designed and qualified according to JEDEC-JESD47
• Halogen-free according to IEC 61249-2-21 definition (-N3 only)
DESCRIPTION
The VS-25CTQ... center tap Schottky rectifier series has been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for reliable operation up to 150 °C junction temperature. Typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection.
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
CHARACTERISTICS
IF(AV) VRRM IFSM
Rectangular waveform Range tp = 5 μs sine
VF 15 Apk, TJ = 125 °C (per leg)
TJ Range
VALUES 30
35 to 45 990 0.50
- 55 to 150
UNITS A V A V °C
VOLTAGE RATINGS
PARAMETER
SYMBOL
VS25CTQ035PbF
VS25CTQ035-N3
VS25CTQ040PbF
VS25CTQ040-N3
VS25CTQ045PbF
VS25CTQ045-N3
UNITS
Maximum DC reverse voltage
VR
Maximum working
35 35 40 40 45 45 V
peak reverse voltage
VRWM
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Maximum average forward current See fig. 5
IF(AV)
Maximum peak one cycle non-repetitive surge current per leg See fig. 7
IFSM
Non-repetitive avalanche energy per leg
EAS
Repetitive avalanche current per leg
IAR
TEST CONDITIONS
VALUES UNITS
50 % duty cycle at TC = 102 °C, rectangular waveform 30 A
5 µs sine or 3 µs rect. pulse 10 ms sine or 6 ms rect. pulse
Following any rated load condition and with rated VRRM applied
TJ = 25 °C, IAS = 3.0 A, L = 4.40 mH
Current decaying linearly to zero in 1 μs Frequency limited by TJ maximum VA = 1.5 x VR typical
990 250 20
3
A
mJ A
Revision: 26-Aug-11
1 Document Number: 94173
For technical questions within your region:
[email protected],
[email protected],
[email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
VS-25CTQ...PbF Series, VS-25CTQ...-N3 Series
www.vishay.com
Vishay Semiconductors
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
Maximum forward voltage drop per leg See fig. 1
VFM (1)
Maximum reverse leakage current per leg See fig. 2
Maximum junction capacitance per leg Typical series inductance per leg Maximum voltage rate of change
Note (1) Pulse width < 300 μs, duty cycle < 2 %
IRM (1)
CT LS dV/dt
TEST CONDITIONS
15 A 30 A
TJ = 25 °C
15 A 30 A
TJ = 125 °C
TJ = 25 °C TJ = 125 °C
VR = Rated VR
VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C
Measured lead to lead 5 mm from package body
Rated VR
VALUES 0.56 0.71 0.50 0.64 1.75 70 900 8.0
10 000
UNITS
V
mA pF nH V/μs
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
Maximum junction and storage temperature range
TJ, TStg
Maximum thermal resistance, junction to case per leg
Maximum thermal resistance, junction to case per package
Typical thermal resistance, case to heatsink
RthJC
DC operation See fig. 4
DC operation
RthCS Mounting surface, smooth and greased
Approximate weight
Mounting torque
minimum maximum
Marking device
Case style TO-220AB
VALUES - 55 to 150
UNITS °C
3.25
1.63 °C/W
0.50
2.0 g
0.07 oz.
6 (5) 12 (10)
kgf · cm (lbf· in)
25CTQ035
25CTQ040
25CTQ045
Revision: 26-Aug-11
2 Document Number: 94173
For technical questions within your region:
[email protected],
[email protected],
[email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
IF - Instantaneous Forward Current (A)
VS-25CTQ...PbF Series, VS-25CTQ...-N3 Series
www.vishay.com
Vishay Semiconductors
1000
100
10 TJ = 150 °C TJ = 125 °C TJ = 25 °C
1
0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 VFM - Forward Voltage Drop (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics (Per Leg)
1000
IR - Reverse Current (mA)
1000 100 10 1 0.1
TJ = 150 °C TJ = 125 °C TJ = 100 °C TJ = 75 °C TJ = 50 °C
0.01
0.001 0
TJ = 25 °C 5 10 15 20 25 30 35 40 45
VR - Reverse Voltage (V)
Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage (Per Leg)
CT - Junction Capacitance (pF)
TJ = 25 °C
100 0
10 20 30 40 50
VR - Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
ZthJC - Thermal Impedance (°C/W)
10
1
0.1
0.01
0.001 .