Todays deals on Switching Diode?

Lot 3K AH1802-FJG-7 DIODES HALL SWITCH OMNIPOLAR 0.3/PC $899.00

Lot 3K AH1802-FJG-7 DIODES IC HALL SWITCH MCRPWR 0.3/PC $899.00

Avago PIN Switch/Limiter Diode, HSMP-3820, New,Qty.3000 $404.99

25000 PC LL4148 LL-34 1N4148 IN4148 SMD SWITCHING DIODES SMT /Free Register Mail $205.99

XB-39-HAD SPDT DIODE SWITCH $150.00

2000 PCS 1N4148 IN4148 SMD 0805 SOD-323 Switching Diode $139.99

10000PCS 1N4148 IN4148 DO-35 Silicon Switching Diode $139.99

3000 PC’S P/N MA3S137001ER DIODE SWITCH SMD BY PHILPS $129.99

DAICO PIN DIODE SP2T SWITCH 20-2000MHZ 70dB-1GHZ $129.99

SUNX CX21D-J PHOTOELECTRIC SWITCH sd=10m NPN DIODE PROT $99.90

SUNX CX21P-J PHOTOELECTRIC SWITCH sd=10m PNP DIODE PROT $99.90

SMA pin diode fast RF SWITCH SPDT VHF 30-180 MHz $99.00

2553 PC’S P/N CMPD914TR Diode Switching 100V 0.2A 3-Pin $94.99

ALPHA RF Microwave Pin Diode Switch Relay FS761466 402-08604-02 SMA +5V +28V $100.00

ALPHA RF Microwave Pin Diode Switch Relay MT-7860-96 402-05178-01 SMA $100.00

3000 Diodes Inc MMDB9814-7 SMT Switching Diodes SOT-23 $79.99

M/A-COM Switch, PIN Diode, 0.5- 2.0 GHz 2664-1003-00 $79.00

HP 33134A Microwave Diode Switch (SPST), 18 GHz $80.00

HP 33144A Microwave Diode Switch (SPST), 18 GHz $80.00

RF Microwave 96341 SP2T PIN Diode Switch 8431-205 SMA $80.00

SUNX CX-11EBD PHOTOELECTRIC SWITCH sd=150mm NPN DIODE P $59.90

5000 PCS 1N4148 IN4148 DO-35 Silicon Switching Diode $69.99

RF Microwave Mini-Circuits ZSDR-230 Pin Diode Switch SPDT 10-3000 MHz 50 ohm $65.00

10000 PCS 1N4148 DO-35 SWITCHING DIODE NSC SEMICONDUCTOR NEW $49.99

PANASONIC DIODE SWITCH MA3J14700L 80V 100MA (2700p)USA $59.99

Mini-Circuits SP4T 1:4 Pin Diode Switch 10-2500 MHz $55.00

3000PCS IMN10T108 SWITCHING DIODE BOX#4S $55.00

MMBD7000LT1 / Motorola / SMD Diode Switch / 3,000 piece Lot (Reel) $50.00

2000+ MOTOROLA MMBD914LT1 HIGH SPEED SWITCHING DIODES $49.99

CM400HA-24H / Powerex IGBT Switching Diode / Used $40.00

Microwave RF 2-way Pin Diode Switch Relay SP2T FAST $47.00

1200 PC’S P/N CMPD914TR Diode Switching 100V 0.2A 3-Pin $48.99

Microwave RF Pin Diode Switch Relay SP2T FAST 2-way $44.00

High Speed Switching Diode 1SS119 – Lot of 100 $49.95

M/A-COM Microwave Pin Diode Switch Relay SP2T 1-4 GHz $45.00

3000 Diodes Inc BAV70-70-F 75VDual SMT Switching Diodes $44.99

reel 500 pcs SWITCHING DIODE 400V 2A DO-214AA Panjit semiconductor $45.00

Daico 2-way SP2T Microwave Switch Relay SMA PIN Diode $40.00

Mini-Circuits Coaxial Switch 50Ω SPDT Pin Diode10-2500 MHz ZMSW-1211 $50.00

ON SEMICONDUCTOR BAS16WT1 DIODE SWITCHING NEW REEL Qty 2800+ $43.99

KDI TB611HASD SP6T Diode Absorptive Switch 0.02-0.2 GHz $39.95

KDI TB691HASD SP6T Diode Absorptive Switch 8.0-18.0 GHz $39.95

VISHAY Switching Diodes-LL4148-GS08 100V/300mA 2500PCS $43.99

10 pieces – SB3200 Schottky Barrier Switching Diode 200V 3A Genuine NEW ORIGINAL $40.00

Daico 100C1536 Pin Diode Switch. SP2T. DC to 1000MHz. $39.00

Mini-Circuits ZMSW-1111 SPST PIN Diode Reflective Switch. 10 to 2500MHz. $39.00

3000pcs Dap202KT146 80v 100ma Switching Diode Dap202k T146 Full Reel NEW $34.95

Innovative Digital Multimeter Diode Tester Tool Auto/Manual switch LCD Display $36.00

500 pcs IN914 High Speed Switching Diode 250mW Taiwan $26.50

2A507A Military Si Switching p-i-n Diode, 200GHz Oty:1 $26.00

WHOLESALE New Lot of 1000 x 1N4936 Fast Switching Rectifier Diode 1A 400V DO-41 $32.99

2A507A Military Si Switching p-i-n Diode 200GHz QTY=1 $25.95

Mini-Circuits ZMSW-1111 Pin Diode Switch 50Ω SPST NEW $24.95

1000 PCS 1N4148 0805 IN4148 SOD-323 SMD SWITCHING DIODE $29.99

QTY:4 ALFRED PIN DIODE SWITCH RF MICROWAVE PARTS $19.99

ROHM DA204KT146 DIODE SWITCHING SMD 20V 100mA T146 1000 $28.04

BANNER S186ELDQ LASER DIODE EMITTER PROXIMITY SWITCH $24.99

2A509A Military Si Switching p-i-n Diode, 150GHz Oty:1 $19.00

HP App Note 929: Fast Switching PIN Diodes $19.99

500pc 1N4148 glass Switching Diodes $24.99

AMPEREX 1N119 VINTAGE GERMANIUN SWITCHING DIODE NIB $19.90

Mini-Circuits ZSDR-230 SPDT Pin Diode Switch NEW!! $23.95

x2 1I308D Military Ge Fast-Switching Tunnel Diode $14.95

2500pcs 1N4148 LL4148 SMD SMT Diode Switching Signal $22.78

2500 PCS LL4148 LL-34 1N4148 IN4148 SMD SWITCHING DIODES SMT $22.69

350Pcs 35 Value SMD Transistor Rectifier Switching Schottky Diode Assortment Kit $22.50

2A505A Russian Military Switching N-I-P-I-N Diode Lot of 8 pcs. $14.50

1000-PACK 1N463 DO-7 SILICON HIGH VOLTAGE 200PIV 50nS FAST SWITCHING 250mW DIODE $22.45

2A509A ex-USSR Military Si Switching p-i-n Diode QTY=1 NOS $15.95

SIEMENS BGX50A DIODE SWITCHING 50V SOT-143 NEW QTY- 79 $14.00

2A515A Military Si Switching p-i-n Diode, 100GHz Oty:1 $14.00

3I306R Military Ga-As Switching Tunnel Diode QTY=10 NOS $14.95

2A524B Military Si Switching p-i-n Diode, 200GHz Oty:2 $12.00

OPB818, Slotted Optical Switch, IR Emitting Diode / Phototransistor, Qty 4 $19.99

125 Central Semi. CMPD7000 Switching Diodes SOT-23 $12.99

500 PCS 1N4148 SMD 0805 SOD-323 SWITCHING DIODE NEW $19.99

DIODE SWITCH PN 317219 SN 0001 $12.99

125 Diodes Inc. BAS21-7 SOT23 Fast Switching Diodes $12.99

22 1N6640 Glass Package Switching Diodes $12.99

500 Rohm RLS245TE-11 SMT Diode Switch 250V/200mA LL-34 $12.99

15 MACom MA4PH236-1072T SMQ Switching Diodes $12.99

100 IN914B High Speed Switching Diodes 100V $12.99

WHOLESALE New Lot of 500 x 1N4936 Fast Switching Rectifier Diode 1A 400V DO-41 $19.98

2A515A ex-USSR Military Si Switching p-i-n Diode QTY=1 NOS $13.95

2000 PCS P/N BAV19 Diode Small Signal Switching 120V 0.2A 2-Pin DO-35 $9.99

50pcs 1SS133 Switching Clipping Diodes ROHM Boss Ibanez $17.00

RGP20A / RGP20 / GI / Lot of 50 pieces / FAST SWITCHING PLASTIC RECTIFIER $12.50

3A531A Microwave Schottky Switching Diode 150GHz Oty2 $11.95

1I304B Military Ge Fast-Switching Tunnel Diode Lot of 4 $9.95

100- 1N4151 Small Signal(Switch)Diode 25V 500mW 1N 4151 $13.95

Mullard ZA1000 subminiature switching diode valve tube $9.35

3I306L Military Ga-As Switching Tunnel Diode Lot of 10 pcs. $10.00

2K, 1N4148 DO-35 Silicon Switching Diode (2000pcs) $12.99

1I305A Military Ge Fast-Switching Tunnel Diode Lot of 4 $8.95

AI301B Military Ga-As Switching Tunnel Diode Lot of 8 $8.95

AI301V Military Ga-As Switching Tunnel Diode Lot of 8 $8.95

2A536A Military Si Switching p-i-n Diode, 300GHz Oty:2 $10.95

3I306E Military Ga-As Switching Tunnel Diode Lot of 8 $8.95

3I306G Military Ga-As Switching Tunnel Diode Lot of 8 $8.95

3I306J Military Ga-As Switching Tunnel Diode Lot of 8 $8.95

Switching Diode Questions

Troubleshooting Switching Power Supplies – 5 Effective Guidelines to Help You Troubleshoot Them Quickly

If you think that troubleshooting switching power supplies is difficult…think again!

See, fact of the matter is troubleshooting them is fairly easy and jolly fun too! You just need to follow a set of proven guidelines.

Now, let me reveal to you the 5 effective guidelines for troubleshooting switching power supplies. So read on…

Guideline 1

You must be well verse in reading and understanding schematic diagram of a switching power supply unit! And that’s not all…

You must learn as much as possible about every single component, how each one works, how each one affects the other, output voltages etc.

Also learn by heart about the 11 circuit functions in switching power supply along with voltages and critical waveforms. If you know all these things, then you’ll be able to locate the exact problems fast!

Guideline 2

Examine the components in the primary and secondary area in great detail. Trust me; it doesn’t take long once you get the hang of it.

Be on the lookout for typical failure issues like dried up main filter capacitors, faulty schottky diodes, displaced connection, decayed glue, faulty zener diode etc. Speaking of zener diode, you can assess its condition with a zener tester.

You know, you can actually build this powerful tester yourself on the cheap PLUS… it can be used to assess other components such as LED, schottky diodes and more!

Guideline 3

Sharpen your electronic testing skill as much as possible. I know, troubleshooting switching power supplies can be quite hassling…

For example, if you’re not familiar with a particular design, then you would need to take out every single component for testing purposes.

But if you’re highly skilled in testing electronic components, you will be able to complete the testing work much faster.

Guideline 4

If you need a reference repairing guide, then I suggest you get one that takes you step-by-step on how to repair switching power supplies including detailed description of each repairing process, full color pictures explaining the steps plus email support in case you have any difficulties.

You know, you can actually DOWNLOAD a step-by-step guide for troubleshooting switching power supplies and how to fix them using 5 highly proven methods.

The guide is over 200 pages long! However it contains plenty of pictures and also has support from the author who is a highly experienced electronic engineer.

Follow this link for download information: http://www.smpsrepair.info

About the Author

Jerry Gazila

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