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What is a Schottky Barrier Diode? Defination of a Schottky Barrier Rectifiers

The Schottky diode, named after its inventor, also known as Schottky barrier diode or hot-carrier diode, is a semiconductor diode formed by the junction of a semiconductor with a metal. Schottky barrier diode not only  have many applications in today's high tech electronics scene,but also it is one of the oldest semiconductor devices in existence.

It has a low forward voltage drop, a switching speeds that approach zero time and is an electronics component that is widely used in RF applications as a mixer or detector. Also used in power applications as a rectifier, again because of its low forward voltage drop, it lowers the levels of power loss, compared to ordinary PN junction diodes.

The reverse recovery time of Schottky diodes provides extremely fast recovery characteristics. What little reverse recovery time they exhibit is dictated by their capacitance instead of minority carrier recombination such as in conventional PN junction rectifiers. This offers very little reverse current overshoot when switching the Schottky from a forward conducting mode to a reverse blocking state.

Most stronge Schottky Barrier Rectifiers in WEE are SMA Schottky Barrier Rectifier SS12-SS110, SMB Schottky Barrier Rectifier SS32-SS310, SMC Schottky Barrier Rectifier SS52-SS510.

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Zener Diodes BZV55 serie

BZV55C2V4, BZV55C2V7, BZV55C3V0, BZV55C3V3, BZV55C3V6, BZV55C3V9, BZV55C4V3, BZV55C4V7, BZV55C5V1, BZV55C5V6, BZV55C6V2, BZV55C6V8, BZV55C7V5, BZV55C8V2, BZV55C9V1, BZV55C10V, BZV55C11V, BZV55C12V, BZV55C13V, BZV55C15V, BZV55C16V, BZV55C18V, BZV55C20V, BZV55C22V, BZV55C24V, BZV55C27V, BZV55C30V, BZV55C33V, BZV55C36V, BZV55C39V, BZV55C43V, BZV55C47V,

BZV55B2V4, BZV55B2V7, BZV55B3V0, BZV55B3V3, BZV55B3V6, BZV55B3V9, BZV55B4V3, BZV55B4V7, BZV55B5V1, BZV55B5V6, BZV55B6V2, BZV55B6V8, BZV55B7V5, BZV55B8V2, BZV55B9V1, BZV55B10V, BZV55B11V, BZV55B12V, BZV55B13V, BZV55B15V, BZV55B16V, BZV55B18V, BZV55B20V, BZV55B22V, BZV55B24V, BZV55B27V, BZV55B30V, BZV55B33V, BZV55B36V, BZV55B39V, BZV55B43V, BZV55B47V

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WEE Surface Mount SMD Diodes and Rectifiers Package Information

WEE stronge at SOD-123FL, SMAF, SMA, SMA-J, SMBF, SMB, SMC and so on

For more information, please check below link or contact with our sales engineers.

http://www.smddip.com/zb_users/upload/2018/8/WEET-Surface-Mount-SMD-Diodes-and-Rectifiers-Package-Information.pdf

WEE Through Hole DIP Diodes and Rectifiers Package Information

WEE stronge at R-1, A-405, DO-41, DO-15, DO-27, R-6 and so on

For more information, please check below link or contact with our sales engineers.

http://www.smddip.com/zb_users/upload/2018/8/WEET-Through-Hole-DIP-Diodes-and-Rectifiers-Package-Information.pdf

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The ES1J from WEE is surface mount ultra-fast recovery rectifier in SMAF (DO-214AC, also known as SMA) package. This device features glass passivated junction, low profile package and super-fast recovery time for high efficiency. It used for power management, industrial, portable devices, and consumer electronics.

WEE ES1J ultra-fast recovery rectifier characteristics:

Reverse voltage - 50 to 600 Volts              

Forward current - 1.0 Ampere

Ideally suited for automatic assembly          

Low forward voltage drop

Low power loss

High temperature soldering guaranteed : 250℃/10 seconds at terminals

WEE ES1J ultra-fast recovery rectifier mechanical data:

Material: GPP chip

Packing: T/R (turntable roll)

Quantity: 10Kpcs /roll

Supply: 200KKpcs/month

Types: ES1A, ES1B, ES1C, ES1D, ES1E, ES1G, ES1J

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WEE Surface Mount (SMD) Diodes Production Process Flow 

WEE Through Hole (DIP) Diodes Production Process Flow   

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More and more customers choose WEE Technology as alternative of Kemet, Diodes, and AVX etc. 

While some famous brands don't produce RS1M fast recovery rectifier in SMAF pacakge. WEE continuously expand production scale and back you up all the time.

WEE RS1M fast recovery rectifier features:

Reverse voltage - 50 to 1000 Volts            

Forward current - 1.0 Ampere

Glass passivated die construction             

Surface mounted applications

Fast recovery time for high efficiency         

Surge overload rating to 30A peak

Lead-free finish, RoHS Compliant

High temperature soldering guaranteed: 250 C/10 seconds at terminals

WEE RS1M fast recovery rectifier details:

Material: GPP chip

Packing: T/R (turntable roll)

Quantity: 10Kpcs /roll

Supply: 200KKpcs/month

Supplier device package: SMAF (DO-214AC, also known as SMA)

Type: RS1A, RS1B, RS1D,  RS1G, RS1J, RS1K, RS1M

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 1.0 AMPS. DB101S THRU DB107S Glass Passivated Bridge Rectifiers
     DB101S(50V), DB102S(100V), DB103S(200V), DB104S(400V), DB105S(600V), DB106S(800V), DB107S(1000V)
     MECHANICAL DATA   

· Case: Molded plastic body
     · Terminals: Plated leads solderable per MIL-STD-750, Method 2026
     · Polarity: Polarity symbols marked on case
     · Weight: 0.003 ounce, 0.1 gram
     Application：Base station, Computer, Programmable tax, Switchboard, ADSL, Telephone, Fax machine; Switching power, Chargers, Adapter, Module power, LED power, UPS power, EPS power, Medical power supply, Communication power supply, LCD, PDP CCFL, Car power, Inverter, Variable frequency power source, Electric power supply, High voltage source and other power...
     Check more DB101S, DB102S, DB103S, DB104S, DB105S, DB106S, DB107S information at http://www.weetcl.com/pdf/WEET_DBS_DB101S_THRU_DB107S.pdf 
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We are WEE, We Enhance Efficiency
2.0 AMPS. DB201 THRU DB207 Glass Passivated Bridge Rectifiers
DB201(50V), DB202(100V), DB203(200V), DB204(400V), DB205(600V), DB206(800V), DB207(1000V)
Weight: 0.02 ounce, 0.38 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
· Ratings at 25* ambient temperature unless otherwise specified.
· Single phase, half wave, 60Hz, resistive or inductive load, For capacitive load, derate current by 20%.
Application：Energy-saving lamps ballasts, Fluorescent ballast, HID electronic ballast, LED driving

power, LED drivers, Sodium halide ballast, MotoTorch LED lighting source, LED lights with CFL...
Check more DB201, DB202, DB203, DB204, DB205, DB206, DB207 information at http://www.weetcl.com/pdf/WEET_DB_DB201_THRU_DB207.pdf
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WEE is proud to announce the latest diodes and bridge rectifiers monthly capacity so far in year 2018.

In the last two years, our factory input vast investment in surface mount GPP chip manufacturing.

Now in the harvest season of 2018, the outcome is beyond our expectation.

Thanks for all of our factory engineers hard work and faithful customers support, we will always  provide the best solutions to our customers. 

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WEE Technology Company Limited, Manufacturer of Surface Mount (SMD) and Through Hole (DIP) Diodes & Rectifiers.

M7=GS1M=S1M, M7 SMAF Tape & Reel SPQ: 10Kpcs RoHS

500Kpcs at US$3.2/Kpcs

1KKpcs at US$3.1/Kpcs

2KKpcs at US$3.0/Kpcs

5KKpcs at US$2.9/Kpcs

10KKpcs at US$2.8/Kpcs

MOQ: 500Kpcs / shipment

Look forward to hearing your order soon. Please contact sales at any time.

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Global semiconductor industry posted sales totaling $412.2 billion in 2017, the industry’s highest-ever annual sales and an increase of 21.6 percent compared to the 2016 total. Global sales for the month of December 2017 reached $38.0 billion, an increase of 22.5 percent over the December 2016 total and 0.8 percent more than the previous month’s total. Fourth-quarter sales of $114.0 billion were 22.5 percent higher than the total from the fourth quarter of 2016 and 5.7 percent more than the third quarter of 2017. Global sales during the fourth quarter of 2017 and during December 2017 were the industry’s highest-ever quarterly and monthly sales, respectively. 

Several semiconductor product segments stood out in 2017. Memory was the largest semiconductor category by sales with $124.0 billion in 2017, and the fastest growing, with sales increasing 61.5 percent. Within the memory category, sales of DRAM products increased 76.8 percent and sales of NAND flash products increased 47.5 percent. Logic ($102.2 billion) and micro-ICs ($63.9 billion) – a category that includes microprocessors – rounded out the top three product categories in terms of total sales. Other fast-growing product categories in 2017 included rectifiers (18.3 percent), diodes (16.4 percent), and sensors and actuators (16.2 percent). Even without sales of memory products, sales of all other products combined increased by nearly 10 percent in 2017.  

Annual sales increased substantially across all regions: the Americas (35.0 percent), China (22.2 percent), Europe (17.1 percent), Asia Pacific/All Other (16.4 percent), and Japan (13.3 percent). The Americas market also led the way in growth for the month of December 2017, with sales up 41.4 percent year-to-year and 2.1 percent month-to-month. Next were Europe (20.2 percent/-1.6 percent), China (18.1 percent/1.0 percent), Asia Pacific/All Other (17.4 percent/0.2 percent), and Japan (14.0 percent/0.9 percent).

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2.0 AMPS. DB201S THRU DB207S Glass Passivated Bridge Rectifiers
DB201S(50V), DB202S(100V), DB203S(200V), DB204S(400V), DB205S(600V), DB206S(800V), DB207S(1000V)
FEATURES
· Ideal for printed circuit board
· Reliable low cost construction utilizing molded plastic technique
· High surge current capability
· Polarity: marked on body
· Mounting position: Any
MECHANICAL DATA
· Case: Molded plastic body
· Epoxy: UL94V-0 rate flame retardant
· Polarity: Molded on body
· LeadP: Plated terminals solderable per MIL-STD-202E method 208C
· Weight: 0.03 ounce, 1.0 gram
Application：Energy-saving lamps ballasts, Fluorescent ballast, HID electronic ballast, LED driving power, LED

drivers, Sodium halide ballast, MotoTorch LED lighting source, LED lights with CFL; Base station, Computer,

Programmable tax, Switchboard, ADSL, Telephone, Fax machine; Switching power, Chargers, Adapter, Module power, LED

power, UPS power, EPS power, Medical power supply, Communication power supply, LCD, PDP CCFL, Car power, Inverter,

Variable frequency power source, Electric power supply, High voltage source and other power...
Check more DB201S, DB202S, DB203S, DB204S, DB205S, DB206S, DB207S information at

http://www.weetcl.com/pdf/WEET_DBS_DB201S_THRU_DB207S.pdf
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DO-15 HER201 THRU HER208 High Efficient Rectifier
HER201(50V), HER202(100V), HER203(200V), HER204(400V), HER205(600V), HER206(800V), HER207(1000V)
Weight: 0.02 ounce, 0.38 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
· Ratings at 25* ambient temperature unless otherwise specified.
· Single phase, half wave, 60Hz, resistive or inductive load, For capacitive load derate current by 20%.
Application：LCD televisions；Energy-saving lamps ballasts, Fluorescent ballast, HID electronic ballast, LED driving power, LED drivers, Sodium halide ballast, MotoTorch LED lighting source, LED lights with CFL...
Check more HER201, HER202, HER203, HER204, HER205, HER206, HER207, HER208 information at http://www.weetcl.com/pdf/WEET_DO15_HER201_THRU_HER208.pdf
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DO-15 SF21 THRU SF26 Ultra-Fast Recovery Rectifiers
SF21(50V), SF22(100V), SF23(150V), SF24(200V), SF25(300V), SF26(400V)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
· Ratings at 25℃ambient temperature unless otherwise specified
· Single Phase, half wave, 60Hz, resistive or inductive load
· For capacitive load derate current by 20%
Application: White-household appliance; Intelligent Electric-meters; Energy-saving lamps ballasts, Fluorescent ballast, HID electronic ballast, LED driving power, LED drivers, Sodium halide ballast, MotoTorch LED lighting source, LED lights with CFL; Base station, Computer, Programmable tax, Switchboard, ADSL, Telephone, Fax machine; Switching power, Chargers, Adapter, Module power, LED power, UPS power, EPS power, Medical power supply, Communication power supply, LCD, PDP CCFL, Car power, Inverter, Variable frequency power source, Electric power supply, High voltage source and other power...
Check more SF21, SF22, SF23, SF24, SF25, SF26 information at https://www.weetcl.com/Ultra_Fast_Recovery_Rectifiers/DO15_SF21_THRU_SF28.html

Datasheet: http://www.weetcl.com/pdf/WEET_DO15_SF21_THRU_SF28.pdf   
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DO-15 SF21 THRU SF28 Ultra-Fast Recovery Rectifiers
SF21(50V), SF22(100V), SF23(150V), SF24(200V), SF25(300V), SF26(400V), SF28(600V)
FEATURES
· Super fast speed switching speed
· Low forward voltage drop
· Low leakage current
· High forward surge capability
· High reliability
· High temperature soldering guaranteed 260℃/10 seconds,0.375”(9.5mm)lead length at 5 lbs(2.3kg) tension
MECHANICAL DATA
· Case: Transfer molded plastic
· Epoxy: UL94V-0 rate flame retardant
· Polarity: Color band denotes cathode end
· Lead: Plated axial lead, solderable per MIL-STD-202E method 208C
· Mounting position: Any
Check more SF21, SF22, SF23, SF24, SF25, SF26, SF28 information at http://www.weetcl.com/pdf/WEET_DO15_SF21_THRU_SF28.pdf 
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DO-27 HER301 THRU HER308 High Efficient Rectifier
HER301(50V), HER302(100V), HER303(200V), HER304(300V), HER305(400V), HER306(600V), HER307(800V), HER308(1000V)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
· Ratings at 25℃ambient temperature unless otherwise specified
· Single Phase, half wave, 60Hz, resistive or inductive load
· For capacitive load derate current by 20%
Application：LCD televisions；Energy-saving lamps ballasts, Fluorescent ballast, HID electronic ballast, LED driving power, LED drivers, Sodium halide ballast, MotoTorch LED lighting source, LED lights with CFL...
Check more HER201, HER202, HER203, HER204, HER205, HER206, HER207, HER208 information at http://www.weetcl.com/pdf/WEET_DO27_HER301_THRU_HER308.pdf
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WEET DO-27 SF51G THRU SF58G Ultra-Fast Recovery Rectifiers

SF51G(50V), SF52G(100V), SF53G(150V), SF54G(200V), SF55G(300V), SF56G(400V), SF58G(8600V)

FEATURES

    Super fast speed switching speed
    Low forward voltage drop
    Low leakage current
    High forward surge capability
    High reliability
    High temperature soldering guaranteed 260℃/10 seconds,0.375”(9.5mm)lead length at 5 lbs(2.3kg) tension

MECHANICAL DATA

    Case: Transfer molded plastic
    Epoxy: UL94V-0 rate flame retardant
    Polarity: Color band denotes cathode end
    Lead: Plated axial lead, solderable per MIL-STD-202E method 208C
    Mounting position: Any

Application：LCD televisions；Energy-saving lamps ballasts, Fluorescent ballast, HID electronic ballast, LED driving power, LED drivers, Sodium halide ballast, MotoTorch LED lighting source, LED lights with CFL...

Check more SF51G, SF52G, SF53G, SF54G, SF55G, SF56G, SF58G information at http://www.weetcl.com/pdf/WEET_DO27_SF51G_THRU_SF58G.pdf 

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WEET DO-27 SR320 THRU SR3100 Schottky Barrier Rectifiers

SR320(20V), SR330(30V), SR340(40V), SR350(50V), SR360(60V), SR380(80V), SR3100(100V)

FEATURES
     Low forward voltage drop
     Low leakage current
     High forward surge capability
     High reliability

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

     Ratings at 25℃ambient temperature unleSR otherwise specified
     Single Phase, half wave, 60Hz, resistive or inductive load
     For capacitive load derate current by 20%

Application：LCD televisions；Energy-saving lamps ballasts, Fluorescent ballast, HID electronic ballast, LED driving power, LED drivers, Sodium halide ballast, MotoTorch LED lighting source, LED lights with CFL...

Check more  SR320, SR330, SR340, SR350, SR360, SR380, SR3100 information at http://www.weetcl.com /pdf/WEET_DO27_SR320_THRU_SR3100.pdf

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WEET DO-27 SR3100 Schottky Barrier Rectifiers

SR3100 is identical to SB3100
Schottky barrier rectifiers. Some factories take the English abbreviation at the beginning and the middle, and some take the English abbreviation at the beginning and the back. The electrical properties are not different.

Schottky diodes are low-power, high-current, ultra-high-speed semiconductor devices that have been available in recent years. The reverse recovery time is extremely short (can be as small as a few nanoseconds), the forward voltage drop is only about 0.4V, and the rectified current can reach several thousand amperes. These excellent characteristics are unmatched by fast recovery diodes.

Check more SR3100(100V) information at http://www.weetcl.com/pdf/WEET_DO27_SR320_THRU_SR3100.pdf 

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WEET DO-27 SR520 THRU SR5100 Schottky Barrier Rectifiers

SR520(20V), SR530(30V), SR540(40V), SR550(50V), SR560(60V), SR580(80V), SR5100(100V)

Schottky diodes are named after their inventor, Dr. Schottky, short for Schottky Barrier Diode (abbreviated as SBD).
The SBD is not fabricated by the principle of forming a PN junction by contacting a P-type semiconductor with an N-type semiconductor, but by a metal-semiconductor junction principle formed by metal-to-semiconductor contact.
Therefore, SBD is also called a metal-semiconductor (contact) diode or a surface barrier diode, which is a hot carrier diode.

FEATURES
   Low forward voltage drop
   Low leakage current
   High forward surge capability
   High reliability
MECHANICAL DATA
   Case: DO-27,Mold plastic
   Epoxy: UL94V-0 rate flame retardant
   Polarity: Indicated by cathode band
   Lead:MIL-STD-202E, Method 208 guaranteed
   Mounting position: Any

Check more SR520, SR530, SR540, SR550, SR560, SR580, SR5100 information at http://www.weetcl.com/pdf/WEET_DO27_SR520_THRU_SR5100.pdf 

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