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hot UF4004


For Reference Only

Part Number UF4004
Manufacturer Fairchild/ON Semiconductor
Description DIODE GEN PURP 400V 1A DO204AL
Datasheet UF4004 Datasheet
Package DO-204AL, DO-41, Axial
In Stock 263368 piece(s)
Unit Price $ 0.0718 *
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UF4004 Specifications

ManufacturerFairchild/ON Semiconductor
CategoryDiscrete Semiconductor Products - Diodes - Rectifiers - Single
Datasheet UF4004 Datasheet
PackageDO-204AL, DO-41, Axial
Diode TypeStandard
Voltage - DC Reverse (Vr) (Max)400V
Current - Average Rectified (Io)1A
Voltage - Forward (Vf) (Max) @ If1V @ 1A
SpeedFast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)50ns
Current - Reverse Leakage @ Vr10µA @ 400V
Capacitance @ Vr, F17pF @ 4V, 1MHz
Mounting TypeThrough Hole
Package / CaseDO-204AL, DO-41, Axial
Supplier Device PackageDO-204AL (DO-41)
Operating Temperature - Junction-65°C ~ 150°C

UF4004 Datasheet

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To learn more about ON Semiconductor, please visit our website at Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor’s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclature that utilizes an underscore (_), the underscore (_) in the Fairchild part numbers will be changed to a dash (-). This document may contain device numbers with an underscore (_). Please check the ON Semiconductor website to verify the updated device numbers. The most current and up-to-date ordering information can be found at Please email any questions regarding the system integration to Is Now Part of ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent coverage may be accessed at ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.

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U F 4001 - U F 4007 — F ast R ectifiers © 1999 Fairchild Semiconductor Corporation UF4001 - UF4007 Rev. 1.8 August 2016 UF4001 - UF4007 Fast Rectifiers Features • Low Forward Voltage Drop • High Surge Current Capability • High Reliability • High Current Capability • Glass-Passivated Junction Ordering Information Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera- ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi- tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Values are at TA = 25°C unless otherwise noted. Part Number Top Mark Package Packing Method UF4001 UF4001 DO-204AL (DO-41) Tape and Reel UF4002 UF4002 DO-204AL (DO-41) Tape and Reel UF4003 UF4003 DO-204AL (DO-41) Tape and Reel UF4004 UF4004 DO-204AL (DO-41) Tape and Reel UF4005 UF4005 DO-204AL (DO-41) Tape and Reel UF4006 UF4006 DO-204AL (DO-41) Tape and Reel UF4007 UF4007 DO-204AL (DO-41) Tape and Reel Symbol Parameter Value UnitUF 4001 UF 4002 UF 4003 UF 4004 UF 4005 UF 4006 UF 4007 VRRM Maximum Repetitive Reverse Voltage 50 100 200 400 600 800 1000 V IF(AV) Average Rectified Forward Current .375 " Lead Length at TA = 75C 1.0 A IFSM Non-Repetitive Peak Forward Surge Current 8.3 ms Single Half-Sine-Wave 30 A TSTG Storage Temperature Range -65 to +150 C TJ Operating Junction Temperature -65 to +150 C DO-41 (Plastic) COLOR BAND DENOTES CATHODE

Page 4

U F 4001 - U F 4007 — F ast R ectifiers © 1999 Fairchild Semiconductor Corporation UF4001 - UF4007 Rev. 1.8 2 Thermal Characteristics Values are at TA = 25°C unless otherwise noted. Electrical Characteristics Values are at TA = 25°C unless otherwise noted. Symbol Parameter Value Unit PD Power Dissipation 2.08 W RJA Thermal Resistance, Junction-to-Ambient 60 C/W RJL Thermal Resistance, Junction-to-Lead 30 C/W Symbol Parameter Conditions Value UnitUF 4001 UF 4002 UF 4003 UF 4004 UF 4005 UF 4006 UF 4007 VF Maximum Forward Voltage IF = 1.0 A 1.0 1.7 V trr Maximum Reverse Recovery Time IF = 0.5 A, IR = 1.0 A, IRR = 0.25 A 50 75 ns IR Maximum Reverse Current at Rated VR TA = 25C 10 A TA = 100C 50 CT Maximum Total Capacitance VR = 4.0 V, f = 1.0 MHz 17 pF

Page 5

U F 4001 - U F 4007 — F ast R ectifiers © 1999 Fairchild Semiconductor Corporation UF4001 - UF4007 Rev. 1.8 3 Typical Performance Characteristics Figure 1. Forward Current Derating Curve Figure 2. Forward Characteristics Figure 3. Non-Repetitive Surge Current Figure 4. Reverse Characteristics Figure 5. Typical Junction Capacitance Figure 6. Reverse Recovery Time Characteristic and Test Circuit Diagram 0 25 50 75 100 125 150 175 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 Ambient Temperature [ºC]A v e ra g e R e c ti fi e d F o rw a rd C u rr e n t, I F [ A ] SINGLE PHASE HALF WAVE 60HZ RESISTIVE OR INDUCTIVE LOAD .375" (9.00mm) LOAD LENGTHS 0.2 0.4 0.6 0.8 1 1.2 1.4 0.001 0.01 0.1 1 10 Forward Voltage, VF [V] F o rw a rd C u rr e n t, I F [ A ] T = 25 C ºJ Pulse Width = 300μS 2% Duty Cycle A UF4001-UF4003 UF4005-UF4007 UF4004 1 2 5 10 20 50 100 0 10 20 30 40 Number of Cycles at 60Hz P e a k F o rw a rd S u rg e C u rr e n t, I F S M [ A ] 0 20 40 60 80 100 120 140 0.1 1 10 100 1000 Percent of Rated Peak Reverse Voltage [%] R e v e rs e C u rr e n t, I R [ m A ] T = 25 C ºJ A T = 125 C º A 0.1 0.5 1 2 5 10 20 50 100 500 0 10 20 30 40 50 60 Reverse Voltage, VR [V] T o ta l C a p a c it a n c e , C T [ p F ] UF4004-UF4007 UF4001-UF4003 Pulse Generator (Note 2) 50Ω NONINDUCTIVE 50Ω NONINDUCTIVE DUT (-) (+) OSCILLOSCOPE (Note 1) 50Ω NONINDUCTIVE 50V (approx) NOTES: 1. Rise time = 7.0 ns max; Input impedance = 1.0 megaohm 22 pf. 2. Rise time = 10 ns max; Source impedance = 50 ohms. 1.0cm SET TIME BASE FOR trr +0.5A 0 -0.25A -1.0A 5/ 10 ns/ cm

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UF4004 Reviews

Average User Rating
5 / 5 (81)
★ ★ ★ ★ ★
5 ★
4 ★
3 ★
2 ★
1 ★


December 29, 2020

Always meet my expectations with order and questions.


December 8, 2019

Sure appreciate your quality, expertise and professional service. Thank you so much!!!


November 3, 2019

Absolutely the finest source for electric components, connectors, terminal strips, panel lights, etc. The website online ordering system makes a easy business.


October 10, 2019

Not messy and easy to handle. I've used these professionally and for my self, and they never failed me.


October 6, 2019

You're my good supplier. I appreciate Heisener Electronics on many levels.


September 28, 2019

Website and order clear, concise and user friendly. Thanks!


September 26, 2019

Great product & fast shipping. Works as they should.

Leon***** Puri

August 31, 2019

Excellent service over extended period of time. Incredibly fast shipping, never any errors. Couldn't be more pleased.


August 18, 2019

The best choice, clear and easy to make an order. Gives me full control.


August 2, 2019

No problem in making an order and will see how the shipping goes.

UF4004 Guarantees

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