New Product
UHF20FCT
Vishay General Semiconductor
Dual Common-Cathode Ultrafast Recovery Rectifier
FEATURES • Oxide planar chip junction • Ultrafast recovery times • Soft recovery characteristics • Low switching losses, high efficiency • High forward surge capability
1 UHF20FCT
PIN 1 PIN 3 PIN 2
ITO-220AB
2
3
• Solder dip 260 °C, 40 s • Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC TYPICAL APPLICATIONS For use in high frequency power factor correctors, switching mode power supplies, freewheeling diodes and secondary dc-to-dc rectification application. MECHANICAL DATA Case: ITO-220AB Epoxy meets UL 94V-0 flammability rating Terminals: Matte tin plated leads, solderable per J-STD-002 and JESD22-B102 E3 suffix for consumer grade, meets JESD 201 class 1A whisker test Polarity: As marked Mounting Torque: 10 in-lbs maximum
PRIMARY CHARACTERISTICS
IF(peak) VRRM IFSM trr VF at IF = 10 A TJ max. 10 A x 2 300 V 180 A 25 ns 0.85 V 175 °C
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER Maximum repetitive peak reverse voltage Maximum DC working forward current at TC = 125 °C Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load Isolation voltage (ITO-220AB only) from terminal to heatsink t = 1 min Operating junction and storage temperature range per device per diode per diode SYMBOL VRRM IF(peak) IFSM VAC TJ, TSTG UHF20FCT 300 20 10 180 1500 - 55 to + 175 UNIT V A A V °C
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER TEST CONDITIONS IF = 5.0 A IF = 10.0 A IF = 5.0 A IF = 10.0 A VR = 300 V TA = 25 °C VF TA = 125 °C TA = 25 °C TA = 125 °C IR SYMBOL TYP. 0.96 1.02 0.77 0.85 0.06 25 MAX. 1.20 V 5 150 µA UNIT
Maximum instantaneous forward voltage per diode (1)
Maximum reverse current per diode (2)
Document Number: 89064 Revision: 13-May-08
For technical questions within your region, please contact one of the following: PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com
www.vishay.com 1
New Product
UHF20FCT
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER Maximum reverse recovery time Maximum reverse recovery time per diode Typical softness factor (tb/ta) Typical reverse recovery current Typical stored charge Typical forward recovery time per diode Notes: (1) Pulse test: 300 µs pulse width, 1 % duty cycle (2) Pulse test: Pulse width ≤ 40 ms TEST CONDITIONS IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A IF = 1.0 A, dI/dt = 50 A/µs, VR = 30 V, Irr = 0.1 IRM IF = 10 A, dI/dt = 200 A/µs, VR = 200 V, TJ = 125 °C per diode IF = 10 A, dI/dt = 80 A/µs, VFR = 1.1 x VFmax SYMBOL trr trr S IRM Qrr tfr TYP. 20 28 0.36 7.0 160 150 MAX. 25 35 UNIT ns ns A nC ns
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER Typical thermal resistance per diode Notes: (1) Without heatsink, free air (2) With infinite heatsink SYMBOL RθJA RθJC(2)
(1)
UHF20FCT 50 4.6
UNIT °C/W
ORDERING INFORMATION (Example)
PACKAGE ITO-220AB PREFERRED P/N UHF20FCT-E3/4W UNIT WEIGHT (g) 1.74 PACKAGE CODE 4W BASE QUANTITY 50/tube DELIVERY MODE Tube
RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted)
12 100 D = 0.8
10
Av erage Power Loss (W)
D = 0.3 D = 0.2 D = 0.1 D = 1.0
9 8 7 6 5 4 3 2 1 0 0 2
Instantaneous Forward Current (A)
11
D = 0.5
TJ = 125 °C
10
TJ = 175 °C
TJ = 25 °C 1
T
D = tp/T 4 6 8
tp 10 12
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
Average Forward Current (A)
Instantaneous Forward Voltage (V)
Figure 1. Forward Power Loss Characteristics Per Diode
Figure 2. Typical Instantaneous Forward Characteristics Per Diode
www.vishay.com 2
For technical questions within your region, please contact one of the following: PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com
Document Number: 89064 Revision: 13-May-08
New Product
UHF20FCT
Vishay General Semiconductor
1000
10
Transient Thermal Impedance (°C/W)
Instantaneous Reverse Current (µA)
TA = 175 °C 100 TA = 150 °C TA = 125 °C 10
Junction to Case
1
1
0.1 TA = 25 °C 0.01
0.001 10 20 30 40 50 60 70 80 90 100
0.1 0.001
0.01
0.1
1
10
100
Percent of Rated Peak Reverse Voltage (%)
t - Pulse Duration (s)
Figure 3. Typical Reverse Leakage Characteristics Per Diode
Figure 5. Typical Transient Thermal Impedance Per Diode
1000
Junction Capacitance (pF)
TJ = 25 °C f = 1.0 MHz Vstg = 50 mVp-p
100
10
1 0.1
1
10
100
Reverse Voltage (V )
Figure 4. Typical Junction Capacitance Per Diode
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
ITO-220AB
0.404 (10.26) 0.384 (9.75) 0.076 (1.93) REF. 0.076 (1.93) REF.
7° REF. 0.140 (3.56) DIA. 0.125 (3.17) DIA. 0.135 (3.43) DIA. 0.122 (3.08) DIA. 0.190 (4.83) 0.170 (4.32) 0.110 (2.79) 0.100 (2.54)
45° REF.
0.600 (15.24) 0.580 (14.73)
PIN
0.671 (17.04) 0.651 (16.54)
7° REF. 0.350 (8.89) 0.330 (8.38)
1
2
3
7° REF.
0.560 (14.22) 0.530 (13.46) 0.057 (1.45) 0.045 (1.14) 0.025 (0.64) 0.015 (0.38) 0.105 (2.67) 0.095 (2.41)
0.191 (4.85) 0.171 (4.35)
0.110 (2.79) 0.100 (2.54)
0.057 (1.45) 0.045 (1.14)
0.035 (0.89) 0.025 (0.64) 0.205 (5.21) 0.195 (4.95)
0.028 (0.71) 0.020 (0.51)
Document Number: 89064 Revision: 13-May-08
For technical questions within your region, please contact one of the following: PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com
www.vishay.com 3
Legal Disclaimer Notice
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 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 in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. 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. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000 Revision: 11-Mar-11
www.vishay.com 1