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20CJQ045
Vishay High Power Products
Schottky Rectifier, 2 x 1 A
FEATURES
* Small foot print, surface mountable
Base common 4
* Low profile * Very low forward voltage drop * High frequency operation * Guard ring for enhanced ruggedness and long term reliability
Anode 3
SOT-223
Anode 1
2 Common cathode
* Common cathode * Designed and qualified for industrial level
DESCRIPTION PRODUCT SUMMARY
IF(AV) VR 2x1A 45 V
The 20CJQ045 surface mount Schottky rectifier series has been designed for applications requiring very low forward drop and very small foot prints. Typical applications are in portables, switching power supplies, converters, automotive system, freewheeling diodes, battery charging, and reverse battery protection.
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL IF(AV) VRRM IFSM VF TJ tp = 5 s sine 1 Apk, TJ = 125 C (per leg) CHARACTERISTICS Rectangular waveform VALUES 2 45 390 0.50 - 55 to 150 UNITS A V A V C
VOLTAGE RATINGS
PARAMETER DC reverse voltage Working peak reverse voltage SYMBOL VR VRWM 20CJQ045 45 UNITS V
ABSOLUTE MAXIMUM RATINGS
PARAMETER Maximum average forward current See fig. 5 per leg IF(AV) per device 50 % duty cycle at TC = 102 C, rectangular waveform 5 s sine or 3 s rect. pulse IFSM 10 ms sine or 6 ms rect. pulse EAS IAR TJ = 25 C, IAS = 1 A, L = 4 mH Current decaying linearly to zero in 1 s Frequency limited by TJ maximum VA = 1.5 x VR typical Following any rated load condition and with rated VRRM applied 2 A 390 23 2 1 mJ A SYMBOL TEST CONDITIONS 50 % duty cycle at TC = 126 C, rectangular waveform VALUES 1 UNITS
Maximum peak one cycle non-repetitive surge current per leg See fig. 7 Non-repetitive avalanche energy per leg Repetitive avalanche current per leg
Document Number: 93272 Revision: 22-Aug-08
For technical questions, contact: diodes-tech@vishay.com
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20CJQ045
Vishay High Power Products Schottky Rectifier, 2 x 1 A
ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL 1A Maximum forward voltage drop per leg See fig. 1 VFM
(1)
TEST CONDITIONS TJ = 25 C
VALUES 0.54 0.67 0.50 0.65 0.1
UNITS
2A 1A 2A
V
TJ = 125 C
Maximum reverse leakage current per leg See fig. 2 Typical junction capacitance per leg Typical series inductance per leg Maximum voltage rate of change Note (1) Pulse width < 300 s, duty cycle < 2 %
IRM (1) CT LS dV/dt
TJ = 25 C VR = Rated VR TJ = 125 C VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 C Measured lead to lead 5 mm from package body Rated VR
mA 10 70 6 7700 pF nH V/s
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER Maximum junction and storage temperature range Maximum thermal resistance, junction to ambient Maximum thermal resistance, junction to lead Approximate weight Marking device Note
(1)
SYMBOL TJ (1), TStg RthJA DC operation RthJL
TEST CONDITIONS
VALUES - 55 to 150 65
UNITS C
C/W 25 0.13 0.0045 g oz. 2CJQF
Case style SOT-223
dP tot 1 ------------ < ------------- thermal runaway condition for a diode on its own heatsink dT J R thJA
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For technical questions, contact: diodes-tech@vishay.com
Document Number: 93272 Revision: 22-Aug-08
20CJQ045
Schottky Rectifier, 2 x 1 A Vishay High Power Products
100
10
R everse Current - IR (mA)
10 1
TJ = 150C 125C 100C
0.1 0.01 0.001
75C 50C 25C
Ins tantaneous Forward Current - IF (A)
0.0001 0 5 10 15 20 25 30 35 40 45 Reverse Voltage - VR (V)
T = 150C 1
J
Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage (Per Leg)
100
TJ = 125C TJ = 25C
Junction Capac itance - C T (pF )
TJ = 25C
0.1 0 0.4 0.8 1.2 1.6 Forward Voltage Drop - VFM (V)
10 0 10 20 30 40 50 R everse Voltage - V (V) R
Fig. 1 - Maximum Forward Voltage Drop Characteristics (Per Leg)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
100 T herma l Impedanc e Z thJC (C/ W)
10
D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20
P DM
1 S ingle Pulse (T hermal Resistance) Notes:
t1 t2
1. Duty fac tor D = t 1/ t 2 2. Peak T = P x ZthJC+ TC J DM 0.1 1 10 100
0.1 0.00001
0.0001
0.001
0.01
t 1 , Rectangular Pulse Duration (S econds)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg)
Document Number: 93272 Revision: 22-Aug-08
For technical questions, contact: diodes-tech@vishay.com
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20CJQ045
Vishay High Power Products Schottky Rectifier, 2 x 1 A
150 Allowable Case T emperature - (C) 140
Average Power Los - (Watts) s
2.5 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 DC
130 120 110 100 90 80 70 60 0 0.5 1 1.5 2 2.5 3 Average Forward Current - I F(AV) (A)
see note (1)
2
DC
1.5 RMS Limit 1
S quare wave (D = 0.50) 80% Rated V R applied
0.5
0 0 0.5 1 1.5 2 2.5 3 Average Forward Current - I F(AV) (A)
Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current (Per Leg)
1000
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
Non-Repetitive S urge Current - I FSM (A)
At Any Rated Load Condition And With Rated VRRM Applied Following S urge 100
10 10
100
1000
10000
S quare Wave Pulse Duration - t p (microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
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: 93272 Revision: 22-Aug-08
20CJQ045
Schottky Rectifier, 2 x 1 A Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
2
1 1 2 3 4 5 6 7 -
0
2
C
3
J
4
Q
5
045
6
7
Current rating (2 = 2 A) Schottky rectifier series Circuit configuration: C = Common cathode
-
Package: J = SOT-223
-
Schottky "Q" series Voltage rating (045 = 45 V) None = Standard production PbF = Lead (Pb)-free
-
LINKS TO RELATED DOCUMENTS Dimensions Part marking information Packaging information http://www.vishay.com/doc?95022 http://www.vishay.com/doc?95031 http://www.vishay.com/doc?95035
Document Number: 93272 Revision: 22-Aug-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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