product familypackage typeIrVrPdVzZztIztZzkIzkPackage QtyFIT            GBU4K Selling Leads, GBU4K Datasheet PDF, - ChinaICMart.com
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Parameters

Technical/Catalog InformationGBU4K
VendorFairchild Semiconductor
CategoryDiscrete Semiconductor Products
Diode Type Single Phase
Package / CaseGBU
PackagingTube
Reverse Recovery Time (trr)-
SpeedStandard Recovery >500ns, > 200mA (Io)
Current - DC Forward (If)4A
Voltage - Peak Reverse (Max)800V
Mounting TypeThrough Hole
Lead Free StatusLead Free
RoHS StatusRoHS Compliant
Other Names GBU4K
GBU4K
GBU4KFS ND
GBU4KFSND
GBU4KFS

Product Manufacturers Pack D/C
GBU4K - - -

Pinout/Connection Diagram

gbu4k Circuit
Today's electronic systems often rely on distributed power to support a myriad of control functions. This contrasts with historical approaches, which provided a regulated dc voltage to each of the subsystems with an off-line converter, often an expensive off-the-shelf box with less-than-optimal reliability. Shown here is a discrete approach that simplifies the task of distributed power design, saving time and money during system design. The LT1105 current-mode PWM control IC makes a simple, low-cost, yet highly reliable distributed power supply with the added advantage of a customizable footprint. The 24-V output is regulated to better than ±1 percent over a line range of 90 to 260 Vac and an 8:1 dynamic load range. A maximum output current of 4.2 A is available for a total of 100 W. All components, including the transformer, are specified in this design. The trans-former meets international safety standards UL 1950 and IEC950. This transformer and others that provide 36 or 48 V at 100 W are available off the shelf. The LT1105 uses unique design techniques, eliminating the optocoupler feedback normally found in off-line supplies, yet enabling the regulator to provide tight line and load regulation. A totem-pole output drives the gate of an external high-voltage FET (Q1), and switch current is monitored by sense resistor R22. Short-circuit protection is provided by "burp" mode operation, whereby the LT1105 will continuously shut down and restart during the fault condition.

Supplier

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  Part Number Mfg Pack D/C Qty Note
GBU4K GENERAL SEMI. 9944 15
  JY(HK)ELECTRONICS CO.,LTD Hong Kong
Contact: Ms. Claire Huang   MSN:claire-jy@hotmail.com Tel: 86-755-82887756 Fax: 86-755-82886700
GBU4K ON SMD 10+ 12560 New and original
  AIBOSI ELECTRONIC (HK) CO., LIMITED China (Mainland)
Contact: Ms. liuhongyun   MSN:aibosi02@hotmail.com Tel: +86-755-23806752 Fax: +86-755-82719183
GBU4K SMSC 4A800V 08+ 360 0
  Yike Electronics (HK) Co.,Ltd China (Mainland)
Contact: Mr. Zhao   MSN:zhaojunjack@hotmail.com Tel: 86--15017908912 Fax: 86-755-82533178
GBU4K FAIRCHIND 20/tube 10+ 12000 HOT & New and Origina
  HHS Technology Co.,Ltd China (Mainland)
Contact: Ms. Jane Zhang   MSN:cheerjane@hotmail.com Tel: 86-755-83970132 Fax: 86-755-83953764
GBU4K VISHAY DIP 09+ 30000
  Aslan Internatinal Trade Co., Limited China (Mainland)
Contact: Mr. David King   MSN:Aslan0908@live.com Tel: 86-754-84439661 Fax: 86-754-84439661
GBU4K GENERAL SEMI. 9944 15 Stock & New, We work 24 hours/day
  HK Truly Electronics Tech Co.,LTD China (Mainland)
Contact: Ms. Candy   MSN:sarryx@hotmail.com Tel: 86-755-33071327 Fax: 86-755-83011657
GBU4K GENERALSEMI. 9944 1428
  HONGKONG KEDA ELECTRONIC LIMITED China (Mainland)
Contact: Mr. Kendy Chen   MSN:keda_3@hotmail.com Tel: +86-0755-83001234 Fax: +86-0755-83002023
GBU4K N/A 125
  AllPurpose Electronics Co.,Ltd China (Mainland)
Contact: Mr. Sandi   MSN:ap-ec@hotmail.com Tel: 86-0754-84496014 Fax: 86-0754-84496014
GBU4K GENERAL SEMI. 9944 15 ICQ#426661950,http://99ictrade.taobao.com/"
  HongKong 99IC Trade Co.,Ltd. China (Mainland)
Contact: Ms. Wenggie Weng   MSN:w99ic@hotmail.com Tel: 86-755-83253970 Fax: 86-755-82500640
GBU4K N/A N/A N/A 7750 N/A
  HK KINGLION ELECTRONICS LIMITED China (Mainland)
Contact: Ms. candy   MSN:kinglion2@live.cn Tel: 86-755-82510626 Fax: 86-755-82510626
GBU4K RoHs DIP 09+ 50000 The main sales original
  XINGGUANGSHENG ELECTRONICS(HK) LIMITED China (Mainland)
Contact: Mr. SU   MSN:xgsdz2@msn.cn Tel: 086-0755-61685953 Fax: 086-0755-82539159
GBU4K VISHAY ZIP-4 110
  Rong Fa Electronics China (Mainland)
Contact: Ms. Ke   MSN:rfdz0754@126.com Tel: 086-0755-83041767/83372015 Fax: 086-0755-83041767
GBU4K VISHAY 10+ 5000 new and original
  tengying elctronics ltd China (Mainland)
Contact: Ms. linda   MSN:shujy1984@hotmail.com Tel: 86-755-26767262 Fax: 86-755-26767262
GBU4K 03+ 125
  ZHENGKE ELECTRONICS INT'L LIMITED  China (Mainland)
Contact: Ms. Anita   MSN:zkAnnita@hotmail.com Tel: 86-0755-82736678 Fax: 86-0755-83222267
GBU4K Fairchild N/A 09+ 20000 SUNON'S STOCK
  SUNON(HK) SEMICON CO.,LTD Hong Kong
Contact: Mr. Rick Lin   MSN:sun789@msn.cn Tel: 86-755-82811600 Fax: 86-755-83985387
GBU4K 07+ 5000
  Hongsheng (Hongkong) Electronics Limited China (Mainland)
Contact: Ms. Amy   MSN:hs-vicky@hotmail.com Tel: 86-755-26766949 Fax: 86-755-26945505
GBU4K fsc dc02 100
  Shunlongwei electornic components China (Mainland)
Contact: Mr. Huang   Tel: 86-755-82732562 Fax: 86-755-82951097
GBU4K GENERAL SEMI. 9944 15
  Bosson Electronics(HK)CO.,LIMITED China (Mainland)
Contact: Ms. Lucky   MSN:bosson_ic@hotmail.com Tel: 86-755-83215115 Fax: 86-755-83378029
GBU4K Fairchild GBU 09+ 7230 Advantage Offer!!!
  ATL (HK) ELECTRONIC CO.,LIMITED China (Mainland)
Contact: Mr. Semon   MSN:semon_26@hotmail.com Tel: 0086-0755-36938864，83554152 Fax: 0086-0755-28233505
GBU4K GENERAL SEMI. 9944 15
  Yakesheng Elect trade CO. China (Mainland)
Contact: Ms. Cindy   MSN:yakesheng2@hotmail.com Tel: 86-755-83759890 Fax: 86-755-83759890
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PDF / Datasheet

GBU4K PDF Download

GBU4K

File Size: 175277 KB
Manufacturer: SEMIKRON [Semikron International]

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