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0.9deg Nema 17 Stepper Motor Bipolar 2A 46Ncm/65oz.in 42x42x48mm 4-wires DIY CNC Product Description This high torque and precision bipolar Nema 17 stepper motor with 0.9ￂﾰ step angle (400 steps/revolution). Each phase draws current 2A, allowing for a holding torque of 46Ncm(65.1oz.in). Electrical Specification * Manufacturer Part Number: 17HM19-2004S * Motor Type: Bipolar Stepper * Step Angle: 0.9ￂﾰ * Holding Torque: 46Ncm(65.1oz.in) * Rated Current/phase: 2.0A * Phase Resistance: 1.4ohms * Recommended Voltage: 12-24V * Inductance: 3.0mHￂﾱ20%(1KHz) Physical Specification * Frame Size: 42 x 42mm * Body Length: 48mm * Shaft Diameter: ￎﾦ5mm * Shaft Length: 24mm * D-cut Length: 15mm * Number of Leads: 4 * Lead Length: 500mm * Weight: 370g Connection: Black(A+), Green(A-), Red(B+), Blue(B-) Warning: Make sure the motor connect to a constant current or chopper drive controller before you test motor. Connecting the motor directly to a power supply will destroy the motor.

This is Short Height Bipolar Nema 17 stepper motor with 1.8 deg. step angle (200 steps/revolution). Each phase draws current 1A, allowing for a holding torque of 13Ncm(18.4oz.in). Electrical Specification: * Manufacturer Part Number: 17HS08-1004S * Motor Type: Bipolar Stepper * Step Angle: 1.8 deg. * Holding Torque: 13Ncm(18.4oz.in) * Rated Current/phase: 1.0A * Phase Resistance: 3.5ohms * Inductance: 4.5mH+/-20%(1KHz) Physical Specification: * Frame Size: 42 x 42mm * Body Length: 20mm * Shaft Diameter: 5mm * Shaft Length: 20mm * D-cut Length: 16.5mm * Number of Leads: 4 * Lead Length: 400mm * Weight: 140g Connection: Black(A+), Green(A-), Red(B+), Blue(B-) Warning: Make sure the motor connect to a constant current or chopper drive controller before you test motor. Connecting the motor directly to a power supply will destroy the motor.

This high torque and precision bipolar Nema 17 stepper motor with 0.9 step angle (400 steps/revolution). Each phase draws current 2A, allowing for a holding torque of 46Ncm(65.1oz.in). Electrical Specification * Manufacturer Part Number: 17HM19-2004S * Motor Type: Bipolar Stepper * Step Angle: 0.9 * Holding Torque: 46Ncm(65.1oz.in) * Rated Current/phase: 2.0A * Phase Resistance: 1.4ohms * Recommended Voltage: 12-24V * Inductance: 3.0mH20%(1KHz) Physical Specification * Frame Size: 42 x 42mm * Body Length: 48mm * Shaft Diameter: 5mm * Shaft Length: 24mm * D-cut Length: 15mm * Number of Leads: 4 * Lead Length: 500mm * Weight: 370g Connection: Black(A+), Green(A-), Red(B+), Blue(B-) Warning: Make sure the motor connect to a constant current or chopper drive controller before you test motor. Connecting the motor directly to a power supply will destroy the motor.

This hybrid bipolar Nema 14 stepper motor with 1.8 deg. step angle (200 steps/revolution). Each phase draws 0.4 A at 12 V, allowing for a holding torque of 14Ncm(20oz.in). Electrical Specification: * Manufacturer Part Number: 14HS10-0404S * Motor Type: Bipolar Stepper * Step Angle: 1.8 deg. * Holding Torque: 14Ncm(20oz.in) * Rated Current/phase: 0.4A * Phase Resistance: 30ohms * Inductance: 30mH+/-20%(1KHz) Physical Specification: * Frame Size: 35 x 35mm * Body Length: 26mm * Shaft Diameter: 5mm * Shaft Length: 20.5mm * D-cut Length: 16.5mm * Number of Leads: 4 * Lead Length: 400mm * Weight: 140g Connection: Black(A+), Green(A-), Red(B+), Blue(B-) Warning: Make sure the motor connect to a constant current or chopper drive controller before you test motor. Connecting the motor directly to a power supply will destroy the motor.

This is bipolar Nema 17 stepper motor with 1.8 step angle (200 steps/revolution). Each phase draws current 0.7A, allowing for a holding torque of 18Ncm(25.5oz.in).. Electrical Specification: * Manufacturer Part Number: 17HS10-0704S * Motor Type: Bipolar Stepper * Step Angle: 1.8 * Holding Torque: 18Ncm(25.5oz.in) * Rated Current/phase: 0.7A * Phase Resistance: 4.2ohms * Recommended Voltage: 12-24V * Inductance: 5.5mH20%(1KHz) Physical Specification: * Frame Size: 42 x 42mm * Body Length: 25mm * Shaft Diameter: 5mm * Shaft Length: 20mm * Number of Leads: 4 * Lead Length: 300mm * Weight: 180g Connection: Black(A+), Green(A-), Red(B+), Blue(B-) Warning: Make sure the motor connect to a constant current or chopper drive controller before you test motor. Connecting the motor directly to a power supply will destroy the motor.

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FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: Package contains the follows: 60 × BC337 Bipolar (BJT) NPN Transistor, 45 V 800mA 100 MHz 625 mW through hole-92-3 60 × BC327 Bipolar (BJT) PNP transistor, 45 V 800mA 100 MHz 625 mW through hole-92-3 60 × 2N2222 Bipolar (BJT) NPN Transistor, 40 V 600mA 200 MHz 625 mW through hole-92-3 60 × 2N2907 Bipolar (BJT) PNP Transistor 40 V 600mA 200 MHz 625 mW through hole-92-3 60 × 2N3904 Bipolar (BJT) NPN Transistor, 40 V 200mA 200 MHz 625 mW through hole-92-3 60 × 2N3906 Bipolar (BJT) PNP Transistor 40 V 200mA 200 MHz 625 mW through hole-92-3 60 × S8050 Bipolar (BJT) NPN Transistor 25 V 0.5A 100 MHz 1 W through hole-92-3 60 × S8550 Bipolar (BJT) PNP Transistor 25 V 0.5A 100 MHz 1 W through hole-92-3 60 × A1015 Bipolar (BJT) PNP Transistor 50 V 150mA 80 MHz 400 mW through hole-92-3 60 × C1815 Bipolar (BJT) NPN Transistor 50 V 150mA 80 MHz 400 mW through hole-92-3 Package included: 600 x Transistor 600Pcs 10Values 60 Each Transistors Kit BC337 BC327 2N2222 2N2907 2N3904 2N3906 S8050 S8550 A1015 C1815 Transistor 600Pcs 10Values 60 Each Transistors Kit BC337 BC327 2N2222 2N2907 2N3904 2N3906 S8050 S8550 A1015 C1815 Transistor 600Pcs 10Values 60 Each Transistors Kit BC337 BC327 2N2222 2N2907 2N3904 2N3906 S8050 S8550 A1015 C1815 Transistor

Mega328 M328 LCR-T4 12846 LCD Digital Transistor Tester Meter Backlight Diode T Package weight: 0.14 kg Features: Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components. Automatic test the pin of a component, and display on the LCD. Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage. Measure the gate and gate capacitance of the MOSFET threshold voltage. Use 12864 liquid crystal display with green backlight. One -button operation, automatic shutdown. Only 20nA shutdown current. Automatically detect NPN, PNP bipolar transistors, N -channel and P -channel MOS FET, JFET, diodes, two diodes, thyristors small power unidirectional and bidirectional thyristor. Automatic identification components pin arrangement. Measuring bipolar transistor current amplification factor and base - emitter threshold voltage. Via the base - emitter threshold voltage and high current amplification factor to identify Darlington transistors. Can detect bipolar transistors and MOS transistors protection diodes. Measuring the gate MOS FET threshold voltage and the gate capacitance. Can simultaneously measure two resistors and resistor symbol is displayed. Displayed on the right with a decimal value of 4. Resistance symbol on both sides shows the pin number. So you can measure the potentiometer. If the potentiometer wiper is not transferred to an extreme position, we can distinguish the middle and both ends of the pin. Resistance measurement resolution is 0.1 ohms, 50M ohms can be measured. Can measure capacitanceCan measure capacitance of 30pF-100mF, resolution 1pF. 2uF more capacitors can simultaneously measure the equivalent series resistance ESR values. The two can be displayed with a decimal value, resolution 0.01 ohms. Can be in the correct order and the diode symbol display two diodes, and gives the diode forward voltage. LED is detected as a diode forward voltage higher. Combo of the LED is identified as two diodes. Eeverse breakdown voltage is less than 4.5V Zener diode can be identified. Can measure a single diode reverse capacitance. If the bipolar transistor connected to the base and collector or emitter of a pin, it can measure the collector or emitter junction reverse capacitance. Can be obtained with a single measurement rectifier bridge connection. Specification: Resistance: 0.1 ohm resolution, maximum 50M ohm Capacitor: 25pf -100,000 uf Inductors: 0.01mh-20H Power Supply: 9V battery(Not included) Click here for more deals Mega328 M328 LCR-T4 12846 LCD Digital Transistor Tester Meter Backlight Diode T Mega328 M328 LCR-T4 12846 LCD Digital Transistor Tester Meter Backlight Diode T

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Features: The processor uses high performance MCU ATmega328, and uses external 8MHz crystal oscillator as the system clock. Using 1.8 Inch LCD display, resolution of 128X160, support 65536 colors. Single button operation, support automatic shutdown for reducing power consumption. Support battery power supply, shutdown current less than 20nA. Each measurement time is about 2S, and only when measuring capacitance or inductance, the measurement time becomes longer. Automatic detection of NPN, PNP bipolar transistor, N channel, P channel MOSFET and JFET, diode, double diode, P-IGPT, thyristor, double thyristor and so on. For some thyristors and double thyristors, the transistor tester can not be tested when the current and current can not be satisfied. For some IGPT with a driving voltage of more than 5V, the transistor tester can not test it. Support the identification of the pins of test elements. Supports the measurement of current amplification factor and base emitter turn-on voltage of bipolar transistors. The Darlington transistor can be distinguished by the turn-on voltage and the current amplification factor. The gate threshold voltage, gate capacitance and drain to drain source resistance of the RDSon under the 5V gate voltage are tested to test the MOSFET. Supports simultaneous measurement of two resistors, and data is displayed in four bit decimal format. Support potentiometer test, but when the potentiometer is adjusted to one end, at this time can not distinguish between the intermediate pin and the end pin. The minimum resistance resolution is 0.01 ohms, and the maximum resistance is 50M ohm. A capacitor can be measured with a capacitance range of 25pf~100mF and a resolution of 1pF. The capacitance less than 25pF can be measured by parallel with another known capacitance greater than or equal to 25pF, and the measured capacitance value can be obtained by subtracting the known capacitance value. When the capacitance greater than 90nF is tested, the series equivalent resistance is also displayed, with a resolution of 0.01 ohms. When the capacitance greater than 5000pF is tested, the voltage loss after the test pulse can be measured, and the quality factor of the capacitor can be estimated by this parameter. Supports simultaneous measurement of two diodes with additional display diode voltage drop. LEDs are identified as diodes, and the test voltage drop is much larger than that of conventional diodes. The two-color diode is identified as two diodes. The equivalent inductance of the resistor less than 2100 ohms is also measured at the same time, with a range of 0.01mH~20H, but the measurement accuracy is not very good. Program with self-test function, support a variety of parameters calibration. Support frequency generator function, output by TP2, output frequency range from 1Hz to 2MHz. Support a fixed frequency signal output from the TP2, you can adjust the duty cycle by the button. Special attention: The capacitor must be discharged before testing the capacitor, otherwise it may damage the test pin. When testing the components on the circuit board, it is necessary to disconnect the power supply on the circuit board, and the residual voltage is not allowed on the test equipment. Hardware circuit: Each interface is illustrated as follows: J1: 2.54-2PIN white seat is used to input DC 7~12V voltage; S1: red button, reset button; S2: green button, operation button, used for one button operation of the entire circuit board; Instructions: 1. Components placed The transistor tester is very simple, and the test pins TP1, TP2 and TP3 are all in sequence. For only two pins, the components only need to be placed to any two test pins. For three pins of the components, randomly placed three test pins. Two resistors and two diodes can be tested at the same time. 2. Press the S1 reset button to shut down, and then press the S2 boot key to start a new measurement. 3. After the start of the long press S2 (more than 1S), enter the additional function selection interface, after a short press for moving the cursor on the attachment, long into the function interface button corresponding to the cursor interface, the various functions are as follows: Package included: 1 x ATmega328 digital transistor tester kits with shell

Description: Multi-functional transistor tester for automatic detection of NPN and PNP transistors, N channel, P channel, MOSFET and JFET, diodes, dual diode, thyristor, automatic identification of the transistor pinout. It also can be used for frequency measurement and PWM signal generator. Features: 1. The processor uses high performance single chip ATmega328 and using external 8MHz oscillator as the system clock. 2. 1.8 Inch LCD screen, resolution is 128X160, Support 65536 colors. 3. Single button operation, support for automatic shutdown to reduce power consumption. 4. Power supply support battery, the current is less than 20nA when the system is turned off. 5. Measurement time of about 2S each time. Measuring time becomes longer when measuring capacitance or inductance. 6. Detection of NPN or PNP Bipolar Transistor automatic, N channel, P channel MOSFET and JFET, diode, Double diode, P-IGPT, Thyristor, Double thyristor etc. For some thyristor and double thyristor. Unable to test When the transistor tester can not meet the requirements of its trigger current and keep the current. Transistor testers are also unable to test the IGPT drive voltages is over than 5V. 7. Support identification pin for test element. 8. Support test current amplification factor for bipolar transistor and base emitter turn-on voltage. 9. Can judge Darlington transistor through the turn-on voltage and the current amplification factor. 10. Support test the gate threshold voltage of MOSFET, grid capacitance and drain electrode in the case of 5V gate voltage- source resistance RDSon 11. Supports the simultaneous measurement of two resistors,Data is four decimal format display. Support potentiometer test, It can not distinguish between the middle pin and this pin When the potentiometer is adjusted to one end of the potentiometer. 12. Minimum resistance resolution 0.01 ohm, Maximum resistance 50M ohms. 13. Can measure a capacitor, Capacitance range 25pf~100mF, Resolution 1pF. 14. Capacitance less than 25pF can be measured by parallel connection another known capacitor is greater than or equal to 25pF. The measured capacitance value can be obtained by subtracting the known capacitance value from the result. 15. When the test capacitance is greater than 90nF, it series equivalent resistance is also be shown, resolution is 0.01 ohm. 16. When the test capacitance is greater than 5000pF. Voltage loss after the test pulse is can be measured.This parameter can estimate the quality factor of the capacitor. 17. Support two diodes to be measured simultaneously and display voltage drop for diode. 18. LED will be identified as a diode, the test voltage drop is much larger than that of the common diode. Two colors diodes are identified as two diodes. 19. Resistance less than 2100 ohm, it’s equivalent inductance is also measured at the same time. Range is 0.01mH~20H, but it’s measurement accuracy is not very good. 20. Program tape self checking function, support calibration of multiple parameters. 21. Support frequency measurement function,frequency signal input from PD4 pin. Frequency resolution is 1Hz when the input frequency is greater than 25KHz. When the value is less than that, by measuring the period, the frequency resolution can be 0.001Hz. 22. Support frequency generator function, output by TP2, the output frequency range is 1Hz ~ 2MHz. 23. Support a fixed frequency signal output from the TP2, the duty cycle can be adjusted by the button. Notice: Before measuring capacitance, the capacitor must be discharged, otherwise very likely damage the meter. Be sure to disconnect the power from the circuit board when testing the components on the circuit board, the test equipment have residual voltage is not allowed. Specifications: Type: Assembled Tester Display: 1.8inch 160*128 LCD Power supply: DC 7-12V Current: Approx. 20mA Resistance measurement: Max. 50MΩ Resistance resolution: 0.01Ω Capacitance measurement: 25pF~100mF Capacitance resolution: 1pF Inductance measurement: 0.01mH~20H PCB size: 7.5 x 6cm / 2.95 x 2.36in Product weight: 50g / 1.79oz Package size: Approx. 10 x 7 x 2cm / 3.94 x 2.75 x 0.8in Package weight: 53g / 1.9oz Package includes: 1 x Transistor Tester English User Manual: Click to open