31DQ03 VISHAY
Document overview
- Manufacturer or author: Provided By www.digicamel.com(free datasheet download site)
- PDF pages: 5
Technical content
Document Number: 93319 For technical ques tions, contact: diodes-tech@vishay.com www.vishay.com Revision: 06-Nov-08 1 Schottky Rectifier, 3.3 A 31DQ03, 31DQ04 Vishay High Power Products
FEATURES
- Low profile, axial leaded outline High frequency operation Very low forward voltage drop High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Guard ring for enhanced ruggedness and long term reliability Lead (Pb)-free plating Designed and qualified for industrial level
DESCRIPTION
The 31DQ.. axial leaded Schottky rectifier has been optimized for very low forwar d voltage drop, with moderate leakage. Typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection PRODUCT SUMMARY IF(AV) 3.3 A VR 30/40 V C-16 Cathode Anode MAJOR RATINGS AND CHARACTERISTICS SYMBOL CHARACTERISTICS VALUES UNITS I F(AV) Rectangular waveform 3.3 A VRRM 30/40 V IFSM tp = 5 µs sine 450 A VF 3 Apk, TJ = 25 °C 0.57 V TJ - 40 to 150 °C VOLTAGE RATINGS PARAMETER SYMBOL 31DQ03 31DQ04 UNITS Maximum DC reverse voltage V R 30 40 V Maximum working peak reverse voltage V RWM ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum average forward current See fig. 4 IF(AV) 50 % duty cycle at TL = 117 °C, rectangular waveform 3.3 AMaximum peak one cycle non-repetitive surge current See fig. 6 IFSM 5 µs sine or 3 µs rect. pulse Following any rated load condition and with rated VRRM applied 450 10 ms sine or 6 ms rect. pulse 90 Non-repetitive avalanche energy E AS TJ = 25 °C, IAS = 1.0 A, L = 12 mH 6.0 mJ Repetitive avalanche current I AR Current decaying linearly to zero in 1 µs Frequency limited by TJ maximum VA = 1.5 x VR typical 1.0 A
www.vishay.com For technical questi ons, contact: diodes-tech@vishay.com Document Number: 93319
2 Revision: 06-Nov-08
31DQ03, 31DQ04 Vishay High Power Products Schottky Rectifier, 3.3 A Note (1) Pulse width < 300 µs, duty cycle < 2 % Note (1) thermal runaway condition for a diode on its own heatsink ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum forward voltage drop See fig. 1 VFM (1) 3 A TJ = 25 °C 0.57 V 6 A 0.71 3 A TJ = 125 °C 0.51 6 A 0.62 Maximum reverse leakage current See fig. 4 IRM (1) TJ = 25 °C VR = Rated VR mA TJ = 125 °C 20 Typical junction capacitance C T VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C 190 pF Typical series inductance L S Measured lead to lead 5 mm from package body 9.0 nH Maximum voltage rate of charge dV/dt Rated V R 10 000 V/µs THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum junction and storage temperature range TJ (1), TStg - 40 to 150 °C Maximum thermal resistance, junction to ambient RthJA DC operation Without cooling fin 80 °C/WTypical thermal resistance, junction to lead RthJL With fin 20 mm x 20 mm (0.79" x 0.79") 1.0 mm (0.04") thickness 15 Approximate weight 1.2 g 0.042 oz. Marking device Case style C-16 31DQ03 31DQ04 dPtot dTJ RthJA
Document Number: 93319 For technical ques tions, contact: diodes-tech@vishay.com www.vishay.com Revision: 06-Nov-08 3 31DQ03, 31DQ04 Schottky Rectifier, 3.3 A Vishay High Power Products Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage Fig. 4 - Maximum Allowable Lead Temperature vs. Average Forward Current Fig. 5 - Forward Power Loss Characteristics Note (1) 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 Forward Voltage Drop - VFM (V) Instantaneous Forward Current - IF (A) 0.1 100 0 0.3 0.6 0.9 1.2 T = 150˚C T = 125˚C T = 25˚C J J J Reverse Voltage - VR (V) Reverse Current - IR (mA) 0.001 0.01 0.1 100 0 1 02 03 04 0 25˚C T = 150˚C J 125˚C Reverse Voltage - VR (V) Junction Capacitance - CT (pF) 100 1000 0 40 80 120 160 200 T = 25˚C J Average Forward Current - IF(AV) (A) Allowable Lead Temperature (°C) 110 130 150 012345 DC see note (1) Square wave (D = 0.50) 80% Rated Vr applied Average Forward Current - IF(AV) (A) Average Power Loss (Watts) 0.5 1.5 2.5 012345 DC RMS Limit D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75
www.vishay.com For technical questi ons, contact: diodes-tech@vishay.com Document Number: 93319
4 Revision: 06-Nov-08
31DQ03, 31DQ04 Vishay High Power Products Schottky Rectifier, 3.3 A Fig. 6 - Maximum Non-Repetitive Surge Current ORDERING INFORMATION TABLE Square Wave Pulse Duration - tp (microsec) Non-Repetitive Surge Current - IFSM (A) 100 1000 10 100 1000 10000 At Any Rated Load Condition And With Rated V Applied Following Surge RRM - 31 = 3.1 A (axial and small packages - current is x 10) - D = DO-201 package - Q = Schottky Q.. series - 04 = Voltage ratings - TR = Tape and reel package ( 1200 pcs) None = Box package (500 pcs) 03 = 30 V 04 = 40 V Device code 513 24
31 D Q 04 TR
LINKS TO RELATED DOCUMENTS Dimensions http://www.vishay.com/doc?95242 Part marking information http://www.vishay.com/doc?95304 Packaging information http://www.vishay.com/doc?95309
Document Number: 91000 www.vishay.com Revision: 18-Jul-08 1 Disclaimer Legal Disclaimer Notice Vishay 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 li ability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permit ted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purcha se, 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 medi cal, 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.