The 6 Best Transistor Tester kits (2023 reviews)

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Best Overall: Buy: Aideepen Transistor Tester kit READ REVIEW

Best For quick component testing: Buy: Aceirmc Transistor Tester kit READ REVIEW

Best For making quick checks: Buy: Sywan Transistor Tester kit READ REVIEW

Best And inexpensive little kit: Buy: Treedix Transistor Tester kit READ REVIEW

Best little Tester: Buy: Treedix Great kit READ REVIEW

Best Accuracy: Buy: Weytoll Transistor Tester kit READ REVIEW

Best Overall: Aideepen Transistor Tester kit

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Aideepen transistor tester kit is the epitome of what a great kit should be. It is great to quickly identify unmarked components. It works fine and tests LED's, resistors, caps and transistors. It can detect the transistor, mosfet protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage. It is recommended to use the upgraded multi-function capacitance resistance esr tester. It is great for checking transistor pins to verify orientation and function. It is in a box so it won't get damaged.

• Wonderful little lcr tester, diodes, fet
• Works fine for testing the transistors and resistors
• Good brand reputation

Best For quick component testing: Aceirmc Transistor Tester kit

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The aceirmc transistor tester kit should be able to handle its purpose and duties with ease. This is great for builders of inexpensive electronic kits, that come with no instructions or pictorials. It works with NPN and PNP transistors which is nice. It can be in the correct order and the diode symbol displays two diodes, and gives the diode forward voltage. It is pretty straight forward additionally it is great for a low cost tester.

This meter identifies which transistor lead is the base, collector and emitter. It is perfect for quick component testing and matching. It is easy to use and makes a great teaching tool.

• Great for a low cost tester
• Highly recommended for any electronic repair person or hobbyist
• More poking around with meter leads ascertaining readings

Best For making quick checks: Sywan Transistor Tester kit

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Compared with other kit in this category, the sywan transistor tester kit has a convenient design. This model does so much information about components it tests. It is great for making quick checks on components. This multifunctional capacitance meter can be used to test triode, field. It is shutdown countdown displayed on the monitor and the shutdown countdown time can be extended to 40s. This device is able to recognize so many components and then give you information on WHAT it is and its condition.

This little box does a great job at accurately identifying components and their values. The product comes loosely packed with no box, no instructions and no test capacitor. It is a great little tool to have for those odd components that might be mislabeled.

• Shows anode/cathode on leds and direction specific info on other components as well
• Good investment for long term

Best And inexpensive little kit: Treedix Transistor Tester kit

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate kit. The treedix transistor tester kit is exactly that - it's a simple kit that hits all the right notes. It is an intelligent semiconductor device analyzer, it can measure most of the diodes, bipolar transistors, junction/mos fets and low power thyristors. Even the graphics displayed are extremely readable, unlike some of the fancier colored-screen testers, which have smaller displays and are harder to read. It is only 20na, which supports battery operation, and all the parts for assembly are there.

The accuracy of the unit is fairly close, but probably the best use is for general component identification. The tester fits the case perfectly, and all the parts for assembly are there. It is perfect for protecting it from dust, dirt, and chemicals when it is not in use. It comes with a storage box. They are reasonably accurate, the display is large, and the green backlight is very bright.

• One key operation with automatic power shutdown
• Automatic shutdown function can avoid unnecessary waste, save battery energy
• Identifies transistor type and gain, which is a huge plus

Best little Tester: Treedix Great kit

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Not everyone likes to purchase kit for their regular usage, but the treedix great kit would be an anomoly. This is an interesting device and works surprisingly well. It is a great way to learn soldering skills. Though these are through hole components, they're very small, and it takes a delicate touch to put just the right amount of solder on the joints. It is handy to quickly check components. The case is a puzzle to build but eventually you'll get it done.

These devices are easy to assemble for someone who is knowledgeable in electronics, they work, they are accurate and they are fun to use. It is for calibration you need 3 wires and a capacitor of higher value than 100nf. The tester should be a basic tool for every hobbyist in electronics.

• Easy build, case is a pita
• Rotary coding switch control, one-button measurement, automatic shutdown features
• Good brand reputation

Best Accuracy: Weytoll Transistor Tester kit

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Compared with other kit in this category, the weytoll transistor tester kit has a convenient design. It makes the time consuming chore of manually researching items and makes it quick and painless leaving tons more time doing the things you like/want to do. It will test the components and will display the test results on the LCD graphics screen which will tell you almost everything you need to know about it. It can recognize diodes, transistors, resistors, capacitors, chokes, LED's and even test fuses.

The transistor tester will detect npn and pnp transistor, capacitor, resistor, diode, triode, n-channel and p-channel mosfet, igbt, jfet, triac and battery etc plus let's you know the voltage, current, pinouts and much more. The silk screen is clear on where the components go. It is dip, which is convenient for electronic enthusiasts to diy or update the main chip.

• Rotary switch control, one-key measurement, easy to use
• Component pins are automatically tested and shown on the display
• Digital lcd screen, easy to read, can display measurement data and graphics
• Supports 2 resistance measurements, showing its positive and negative, on-state voltages