21DQ04 VISHAY
Document overview
- Manufacturer or author: Provided By www.digicamel.com(free datasheet download site)
- PDF pages: 5
Technical content
Document Number: 93279 For technical ques tions, contact: diodes-tech@vishay.com www.vishay.com Revision: 06-Nov-08 1 Schottky Rectifier, 2 A 21DQ04 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 21DQ04 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) 2 A VR 40 V DO-204AL Cathode Anode MAJOR RATINGS AND CHARACTERISTICS SYMBOL CHARACTERISTICS VALUES UNITS I F(AV) Rectangular waveform 2 A VRRM 40 V VF 2 Apk, TJ = 125 °C 0.5 TJ Range - 40 to 150 °C VOLTAGE RATINGS PARAMETER SYMBOL 21DQ04 UNITS Maximum DC reverse voltage V R 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 TC = 112 °C, rectangular waveform 2 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 420 10 ms sine or 6 ms rect. pulse 70 Non-repetitive avalanche energy E AS TJ = 25 °C, IAS = 1.0 A, L = 10 mH 5.0 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: 93279
2 Revision: 06-Nov-08
Vishay High Power Products Schottky Rectifier, 2 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 TYP. MAX. Maximum forward voltage drop V FM (1) 2 A TJ = 25 °C 0.49 0.55 V 4 A 0.60 0.65 2 A TJ = 125 °C 0.42 0.5 4 A 0.56 0.62 Maximum reverse leakage current I RM (1) TJ = 25 °C VR = Rated VR 0.01 0.50 mA TJ = 125 °C 5.2 10 Typical junction capacitance C T VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C 130 pF Typical series inductance L S Measured lead to lead 5 mm from package body 8.0 nH 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 100 °C/WTypical thermal resistance, junction to lead RthJL DC operation See fig. 4 25 Approximate weight 0.33 g 0.012 oz. Marking device Case style DO-204AL (D-41) 21DQ04 dPtot dTJ RthJA
Document Number: 93279 For technical ques tions, contact: diodes-tech@vishay.com www.vishay.com Revision: 06-Nov-08 3 21DQ04 Schottky Rectifier, 2 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: TL = TJ - (Pd + PdREV) x RthJL; Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 5); PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated VR 0.1 00 . 3 0 . 6 0 . 9 1 . 2 F FM T = 150°C T = 125°C T = 2 5 ° C J J J F orward Voltage Drop - V (V) I ns tantaneous F orwar d Curr ent - I (A) 0.0001 0.001 0.01 0.1 100 01 0 2 0 3 0 4 0 R R 125°C 100°C 75°C 50°C 25°C Re v e rse C u rre n t - I ( m A ) Re v e r se V o l t a g e - V ( V ) T = 150°C J 100 1000 01 0 2 0 3 0 4 0 R TJunction Capacitance - C (pF ) Re v e rse V o l t a g e - V ( V ) T = 2 5 ° C J 120 150 0123 DC F( A V) see note (1) Aver age F orwar d Cur rent - I (A) Sq u a r e w a v e ( D = 0 . 5 0 ) 80% Rated V applied R Allowable Lead T emperatur e - (°C) = 1/8 inch 0.4 0.8 1.2 1.6 0123 DC Average Power L oss - (Watts ) F (AV) RM S Lim i t D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 Average F orward Current - I (A)
www.vishay.com For technical questi ons, contact: diodes-tech@vishay.com Document Number: 93279
4 Revision: 06-Nov-08
Vishay High Power Products Schottky Rectifier, 2 A Fig. 6 - Maximum Non-Repetitive Surge Current ORDERING INFORMATION TABLE 100 1000 10 100 1000 10000 FSMNon-R ep etitive Surge Current - I (A) p At Any R ated L oad Condition And With R ated V Applied Fo l lo w i n g Su r g e RRM S quare Wave Puls e Duration - t (micros ec) - 21 = 2.1 A (axial and small packages - current is x 10) - D = DO-41 package - Q = Schottky Q.. series - 04 = Voltage rating: 40 V - TR = Tape and reel package (5000 pcs) TB = Tape and box package (ammunition - 3000 pcs) None = Box package (1000 pcs) Device code 513 24
21 D Q 04 TR
LINKS TO RELATED DOCUMENTS Dimensions http://www.vishay.com/doc?95241 Part marking information http://www.vishay.com/doc?95304 Packaging information http://www.vishay.com/doc?95308
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.