Radio Shack 22-330 Owner'S Manual Download

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Cat. No.

22-330

OWNER’S MANUAL

Please read before using this equipment.

Electronic Components

Tester

22-330.fm Page 1 Friday, August 6, 1999 12:34 PM

Summary of Contents for 22-330

Page 1: ...Cat No 22 330 OWNER S MANUAL Please read before using this equipment Electronic Components Tester 22 330 fm Page 1 Friday August 6 1999 12 34 PM...

Page 2: ...stors IGBTs isolated gate bipolar transistors JFETs junction field effect transistors MOSFETs metal oxide silicon field effect transistors LEDs light emitting diodes Power diodes Zener diodes SCRs sil...

Page 3: ...lace devices such as transistor curve tracers or production test equipment If you are not familiar with semiconductors and testing procedures we suggest you read the books Basic Semiconductor Circuits...

Page 4: ...ickly connect components to the tester using its built in test clips and sockets or connect components with axial leads to the tester s component slots Continuity Check lets you quickly hear and see i...

Page 5: ...ponents If the tester shows that an expensive compo nent is bad have the component checked by a qualified electronics technician before dis posing of it Your tester is designed to test components out...

Page 6: ...out Your Tester 10 Test Points 10 Controls and Displays 11 Operation 13 Component Testing Notes 22 Continuity 22 Diodes 22 SCRs and TRIACs 23 General Rules for Transistors 24 JFETs 26 MOSFETs 26 IGBTs...

Page 7: ...fe we recommend alkaline batteries Warnings To avoid electrical shock disconnect the tester s test clips from any equipment before you install or remove the tester s batteries Do not operate your test...

Page 8: ...ine or rechargeable or rechargeable batteries of different capacities Install three AAA alkaline batteries into the tester If you do not plan to use the tester for a few weeks remove the batteries Cau...

Page 9: ...touch the black and red test clips together then press CONT ANODE NPN and ANODE PNP light and a tone sounds If the tone does not sound remove a battery wait about 30 seconds reinstall it then press C...

Page 10: ...g a component the tester turns off TEST POINTS To test a component connect it to one of the tester s test points ILLUS SHOW FRONT OF TESTER CALL OUT COMPONENT SLOTS UNDER ANODE NPN AND ANODE PNP TEST...

Page 11: ...ct a component with 3 legs The test sockets are labeled BASE3 black BASE2 yellow and BASE1 red Test Clip lets you connect a component with 2 or 3 legs or terminals The test clip s insulators are color...

Page 12: ...the junction type of a transistor ANODE PNP lights to show the cathode of a di ode or the junction type of a transistor BAD lights if the tester determines that a com ponent is faulty BASE3 BASE2 BAS...

Page 13: ...E3 and BASE1 test sockets or the black and red test clips Then de pending on the type of device you are testing press one of the following CONT to test continuity DIODE to test a diode The tester show...

Page 14: ...ran sistor is working properly The remaining pin is the emitter This section shows what the tester displays when you test each type of component Legend off on flashing Note See Component Testing Notes...

Page 15: ...15 LED Function device BASE3 BASE2 BASE1 ANODE NPN ANODE PNP BAD Continuity open Continuity shorted tester beeps Transistor NPN EBC F 22 330 fm Page 15 Friday August 6 1999 12 34 PM...

Page 16: ...16 LED Function device BASE3 BASE2 BASE1 ANODE NPN ANODE PNP BAD Transistor NPN B open Transistor NPN B shorted Transistor PNP ECB F F F F F 22 330 fm Page 16 Friday August 6 1999 12 34 PM...

Page 17: ...Function device BASE3 BASE2 BASE1 ANODE NPN ANODE PNP BAD Transistor PNP B open JFET NCHAN G shorted JFET NCHAN G open JFET PCHAN G shorted F F F F F F F F F F 22 330 fm Page 17 Friday August 6 1999 1...

Page 18: ...18 LED Function device BASE3 BASE2 BASE1 ANODE NPN ANODE PNP BAD MOSFET NCHAN DGS MOSFET NCHAN G open MOSFET NCHAN G short F F F F F F F F 22 330 fm Page 18 Friday August 6 1999 12 34 PM...

Page 19: ...19 LED Function device BASE3 BASE2 BASE1 ANODE NPN ANODE PNP BAD MOSFET PCHAN GDS IGBT NCHAN EGC IGBT no transistor installed F F F F F F F 22 330 fm Page 19 Friday August 6 1999 12 34 PM...

Page 20: ...20 LED Function device BASE3 BASE2 BASE1 ANODE NPN ANODE PNP BAD Diode CATH ANODE Diode ANODE CATH Diode open or none Diode shorted 22 330 fm Page 20 Friday August 6 1999 12 34 PM...

Page 21: ...21 LED Function device BASE3 BASE2 BASE1 ANODE NPN ANODE PNP BAD SCR KGA logic SCR KGA 1 amp TRIAC TRIAC AAG F F F F F F 22 330 fm Page 21 Friday August 6 1999 12 34 PM...

Page 22: ...as described if you connect a good diode A resistor that is less than about 7 1K ohms 20 and most capacitors rated above 1 F 20 will show continuity Diodes You cannot accurately test some high voltag...

Page 23: ...rrent or power SCRs are TRIACs or that some bad TRIACs are good SCRs To test an SCR or TRIAC as accurately as possible test the device more than once switching the leads you use to connect the device...

Page 24: ...s to find out if the transis tor is a bipolar or a JFET device If the transistor has only one PN junction or a shorted PN junction or if the transistor is a shorted junction TRIAC the tester tries to...

Page 25: ...you connect it to the tester If the internal base to emitter resistance in the power transistor being tested is less than about 7 1 kilohms the tester might not find the base and will instead show tha...

Page 26: ...shorted An open JFET will register as bad during the bipolar checks A MOSFET with a protection diode might reg ister as a bipolar transistor MOSFETs Since some MOSFETs can conduct in both directions...

Page 27: ...MOSFET is bad IGBTs The tester might incorrectly identify the collector and emitter of an IGBT If the tester is successful in identifying the correct pin configuration it will show the pinout as it wo...

Page 28: ...fully Don t drop it Keep the tester away from dust and dirt Wipe the tester with a damp cloth occasion ally to keep it looking new Modifying or tampering with the tester s internal components can caus...

Page 29: ...64 1 51 2 26 Volts PN Current shorted 525 300 00 450 00 Amps PN Current open 0 00 0 00 0 00 Amps Shorted Voltage any pin 0 70 0 60 0 64 Volts Beta Voltage 5 25 3 00 4 50 Volts Beta Current 52 50 30 00...

Page 30: ...BA PN Test Time 10 mSec Display Time 1 Sec All voltages and currents are 20 Specifications are typical individual units might vary Specifications are subject to change and im provement without notice...

Page 31: ...31 22 330 fm Page 31 Friday August 6 1999 12 34 PM...

Page 32: ...l be charged for repair or replacement of the product made after the ex piration of the warranty period This warranty does not cover a damage or failure caused by or attribut able to acts of God abuse...

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