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6TQ...PbF Series
Vishay High Power Products
Schottky Rectifier, 6 A
FEATURES
* 175 C TJ operation
Base cathode 2
* High frequency operation * Low forward voltage drop * High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance
Pb-free Available
RoHS*
COMPLIANT
TO-220AC
1 Cathode
3 Anode
* Guard ring for enhanced ruggedness and long term reliability * Lead (Pb)-free ("PbF" suffix) * Designed and qualified for industrial level
DESCRIPTION PRODUCT SUMMARY
IF(AV) VR 6A 35 to 45 V
The 6TQ...PbF 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 IF(AV) VRRM IFSM VF TJ CHARACTERISTICS Rectangular waveform Range tp = 5 s sine 6 Apk, TJ = 125 C Range VALUES 6 35 to 45 690 0.53 - 55 to 175 UNITS A V A V C
VOLTAGE RATINGS
PARAMETER Maximum DC reverse voltage Maximum working peak reverse voltage SYMBOL VR VRWM 6TQ035PbF 35 6TQ040PbF 40 6TQ045PBF 45 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 = 164 C, rectangular waveform 5 s sine or 3 s rect. pulse IFSM 10 ms sine or 6 ms rect. pulse EAS IAR Following any rated load condition and with rated VRRM applied VALUES 6 690 A 140 8 1.20 mJ A UNITS A
TJ = 25 C, IAS = 1.20 A, L = 11.10 mH Current decaying linearly to zero in 1 s Frequency limited by TJ maximum VA = 1.5 x VR typical
* Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 94252 Revision: 06-Jun-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 1
6TQ...PbF Series
Vishay High Power Products
ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL 6A Maximum forward voltage drop See fig. 1 VFM (1) 12 A 6A 12 A Maximum reverse leakage current See fig. 2 Threshold voltage Forward slope resistance Maximum junction capacitance Typical series inductance Maximum voltage rate of change Note (1) Pulse width < 300 s, duty cycle < 2 % IRM (1) VF(TO) rt CT LS dV/dt TJ = 25 C TJ = 125 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 TEST CONDITIONS TJ = 25 C VALUES 0.60 0.73 0.53 0.64 0.8 7 0.35 18.23 400 8 10 000 mA V m pF nH V/s V UNITS
Schottky Rectifier, 6 A
TJ = 125 C VR = Rated VR
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER Maximum junction and storage temperature range Maximum thermal resistance, junction to case Typical thermal resistance, case to heatsink Approximate weight minimum maximum SYMBOL TJ, TStg RthJC RthCS DC operation See fig. 4 Mounting surface, smooth and greased TEST CONDITIONS VALUES - 55 to 175 2.2 C/W 0.50 2 0.07 6 (5) 12 (10) g oz. kgf * cm (lbf * in) 6TQ035 Marking device Case style TO-220AC 6TQ040 6TQ045 UNITS C
Mounting torque
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For technical questions, contact: diodes-tech@vishay.com
Document Number: 94252 Revision: 06-Jun-08
6TQ...PbF Series
Schottky Rectifier, 6 A
Vishay High Power Products
100
100
IF - Instantaneous Forward Current (A)
IR - Reverse Current (mA)
10 1
TJ = 175 C TJ = 150 C TJ = 125 C
TJ = 100 C
10 TJ = 175 C TJ = 125 C TJ = 25 C
0.1 0.01 0.001 0.0001
TJ = 75 C TJ = 50 C TJ = 25 C
1 0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
5
10
15
20
25
30
35
40
45
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
1000
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
ZthJC - Thermal Impedance (C/W)
10
1
0.1
D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 Single pulse (thermal resistance)
PDM t1 t2
0.01
Notes: 1. Duty factor D = t1/t2 . 2. Peak TJ = PDM x ZthJC + TC 0.01 0.1 1 10 100
0.001 0.00001
0.0001
0.001
t1 - Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
Document Number: 94252 Revision: 06-Jun-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com 3
6TQ...PbF Series
Vishay High Power Products
180
Schottky Rectifier, 6 A
5
Allowable Case Temperature (C)
175 170 165 160 155 See note (1) 150 0 1 2 3 4 5 6 7 8 9 Square wave (D = 0.50) 80 % rated VR applied DC
Average Power Loss (W)
4
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS limit
3
2 DC 1
0 0 1 2 3 4 5 6 7 8 9
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 (s)
Fig. 7 - Maximum Non-Repetitive Surge Current
L High-speed switch Freewheel diode 40HFL40S02 + Vd = 25 V
D.U.T.
IRFP460 Rg = 25
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: diodes-tech@vishay.com
Document Number: 94252 Revision: 06-Jun-08
6TQ...PbF Series
Schottky Rectifier, 6 A
Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
6
1
1 2 3 4 5
T
2 -
Q
3
045
4
PbF
5
Current rating (6 = 6 A) Package: T = TO-220 Schottky "Q" series Voltage ratings None = Standard production PbF = Lead (Pb)-free 035 = 35 V 040 = 40 V 045 = 45 V
Tube standard pack quantity: 50 pieces
LINKS TO RELATED DOCUMENTS Dimensions Part marking information http://www.vishay.com/doc?95221 http://www.vishay.com/doc?95224
Document Number: 94252 Revision: 06-Jun-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com 5
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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