Power Transistor
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KD3442 TESLA Transistor Power 10A 140V NPN 2N3442 50pcs. $49.99 |
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3Pcs 900V 5A 2SK2651 Power MOSFET N-Channel Transistors $5.29 |
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FMH07N90G 7A 900V N-Channel Power MOSFET Transistor TO-3P $4.00 |
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FGL40N150D 1500V 40A IGBT Power Transistor for Induction Heating $12.06 |
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5 Pcs Complementary 2SD718 PNP Power Transistor 2SB688 $6.03 |
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20A 500V IRFP460A Through Hole SMPS Power MOSFET Transistor $5.52 |
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4 x 2N3055 15A 60V NPN AF Amp Audio Power Transistor TO-3 $5.93 |
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FMH07N90G 7A 900V N-Channel Power MOSFET Transistor TO-3P $4.04 |
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IRFM9240 IRFM-9240 Power MOSFET GOLD Transistor M9240 $25.99 |
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IRFM340 IRFM-340 Power MOSFET GOLD Transistor M340 $19.99 |
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IRFM040 IRFM-040 Power MOSFET GOLD Transistor M040 $19.99 |
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UHF linear power GOLD Transistor BLW32 NEW $12.99 |
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SSSP45N20A Power MOSFET N-channel Transistor 200V 45A $7.74 |
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25 Pcs Power Transistor for General Purpose Amplifier $12.26 |
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MJL3281A Audio Power Amplifier transistor 260V 15A x10 $24.90 |
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IXFX52N60Q2 N Channel Power MOSFET Transistor 600V 52A $12.06 |
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FJA4313 NPN Audio Power Amp Transistor 250V 17A $0.99 |
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400V 15A Silicon NPN Power Transistor TO-3 2SC2246 NEW $5.53 |
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IXFK48N50 N-Channel Power MOSFET Transistor 500V 48A $14.18 |
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2SA1492 + 2SC3856 PNP NPN Amp Power Silicon Transistors $5.50 |
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2 Vintage 2N1535 Germanium Power Transistors $12.99 |
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20A 500V N-channel Power MOSFET Transistor 2SK2370 $4.14 |
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Motorola NPN Power Transistor – TIP50 – 400V – 1A $5.95 |
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10 Pcs BDX33C 100V 10A 70W Silicon NPN Power Transistor $7.32 |
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IRFP460A 20A 500V 3 Terminals Power MOSFET Transistor $5.16 |
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20PCS AO4600 4600 SOP8 POWER MOSFET TRANSISTORS $12.99 |
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2N6166 NPN SILICON RF POWER TRANSISTOR $49.95 |
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STF18NM80 N Channel Power MOSFET Transistor 18A 800V $9.78 |
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BDX34 Darlington PNP Power Transistor 100V 10A Audio x2 $0.99 |
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M/A-COM MRA0510-50H UHF POWER TRANSISTOR 7.0 dB, 500 – 1000 MHz 50W $29.99 |
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IR IRF840 N Channel MOSFET Power Transistor. 500V, 8A. Qty 10. FREE SHIPPING!! $8.95 |
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1500V 50W Fast Switching Silicon Power NPN Transistor $2.79 |
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4 Pcs TO-3 Package 2N3055 15A 60V NPN Power Transistor $5.25 |
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IXFJ6N100 N-channel 1000V 6A Power Mosfet Transistor $6.05 |
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MJE350 300V, 0.5A, 20W PNP HV Power Transistor. Lot of 20. FREE SHIPPING!! $9.95 |
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2SC5200 2SA1943 Complementary Power Audio transistor Qty: 2 each /4 total $7.90 |
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ST STU9NA60 N Ch Power MOSFET Transistor. 600V, 9A. Lot of 2. FREE SHIPPING!! $9.95 |
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Audio Amplifier Silicon NPN Power Transistor 60V 5A 3DD207 $4.85 |
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4 x 2N3055 15A 60V NPN AF Amp Audio Power Transistor TO-3 $8.90 |
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H1061C Power Amplifier NPN Bipolar Junction Transistors $4.88 |
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2N3055 NPN 15A 60V Audio Power Transistor 2 Pieces $4.43 |
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Electronic 600V 3 Pins MOS Power Transistor SPP20N60C2 $6.00 |
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BD433 36W Power Silicon Transistor BD441 2N5192 10pcs $4.99 |
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600V 13A Power MOSFET N-Channel Transistor STF13NM60N $5.01 |
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Drake UV-3 NOS Power Amplifier Module 440 430 Motorola MHW710-2 Final Transistor $29.99 |
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Five 2N3794 Silicon PNP Lo-power Bipolar Junction Transistors (125 available) $4.50 |
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BLV862 UHF linear push-pull power transistor, 1p.c. $179.00 |
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2SD1047 140V 12A NPN Planar Silicon Power Transistor $3.73 |
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IRF2804 Power MOSFET Transistor Ultra Low On-Resistance 25A 40V $3.83 |
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10 Pcs TIP42C 100V 6A 65W Power Amplifier Transistors $5.72 |
Switched Mode Power Supply (smps)
SMPS stands for switched-mode power supply, switching-mode powe
SMPS stands for Switched Mode Power Supply or switching-mode power supply.
SMPS is a power supply unit (PSU) for electronic use that contains a switching regulator. While a linear regulator maintains the desired output voltage by dissipating excess power in a “pass” power transistor, the SMPS switches a power transistor at the faster rate between saturation (full on) and cutoff (completely off) with a variable duty cycle whose average is the desired output voltage. This process gives rectangular waveform as a result which is filtered by a low-pass filter with using inductor and capacitor.
The supreme benefit of using this process In SMPS is that it gives a better efficiency. It is because of the small dissipation of the power by the switching transistor in the saturated state and the off state compared to the semiconducting state (active region). Other advantages of Switch Mode Power Supply (SMPS) include smaller size and lighter weight which is greater in low frequency transformers which have a high weight. Moreover it generates lower heat from the higher efficiency.
Disadvantages of SMPS are:
Greater complexity,
The generation of high amplitude
High frequency energy that the low-pass filter must block to avoid
electromagnetic interference (EMI)
Ripple voltage at the switching frequency and the harmonic frequencies..
SMPS can be categorized into four different types on the basis of its input and output waveforms, as follows.
AC in, DC out: rectifier, off-line converter input stage.
DC in, DC out: voltage converter, or current converter, or DC to DC converter
AC in, AC out: frequency changer, cycloconverter
DC in, AC out: inverter
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2N3472 Power Transistor