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Products - Atlas DCA - Semiconductor Analyser - Model DCA55
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£46.81 + Airmail approx. £6. Duty may be charged in your country.
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DCA55 
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Revised Design for 2007/2008
- New Ultra high contrast green-mode display.
- New smart panel design.
- New Premium probes!!
Atlas DCA - Semiconductor Component Analyser - Model DCA55
Now with tough premium probes
The Peak Atlas DCA
A fresh approach to component analysis has resulted in the fantastic Peak Atlas DCA, an intelligent, slim and invaluable tool. A world of detailed component data has never been so accessible.

Just connect your component any way round and press the test button. The Atlas DCA will then present you with detailed component information in concise, easy to read, scrollable pages. The displayed information will include: the component type, special component features, component pinout, and measured parameters (such as gain, leakage current, gate threshold voltages, volt drops etc...). No more searching through data books and catalogues in order to identify components and pinouts, the Atlas does it all.
Analysis Portfolio
It doesn't matter how you connect the test clips to the component, the Atlas can analyse a vast number of different component types including bipolar transistors, enhancement mode MOSFETs, depletion mode MOSFETs, Junction FETs, low power thyristors and triacs (less than 5mA trigger and hold), diodes, multiple diode networks, LEDs, bi-colour and tri-colour LEDs. It will even identify special component features such as diode protection and shunt resistors in transistors. For two-leaded components such as diodes and LEDs, any pair of test clips can be applied to the component any way round, the Atlas DCA sorts it all out for you.
Atlas DCA testing a BFY51 Atlas DCA testing a bicolour LED Atlas DCA testing a diode
Simplicity
There is no on/off switch, power is automatically turned on at the start of an analysis and then automatically turned off if inactive for more than 30 seconds. Each page of displayed information is presented in manageable amounts, with each page being displayed when you want it. If you want to concentrate on the "pinout" page then just select that page, you don't have to see information that you don't need.

The Atlas DCA Package 
The Peak Atlas DCA is supplied complete with a long life battery, universal test probes and a comprehensive illustrated user guide. Furthermore, free and unlimited technical support and advice is available to all users by telephone, fax, email or our web site.
Parameters Minimum Typical Maximum Notes
 Peak test current into S/C -5.5mA   5.5mA 1
 Peak test voltage across O/C -5.1V   5.1V 1
 Measurable transistor gain range (HFE) 4   65,000 2
 Transistor gain accuracy -3%-5 HFE   +3%+5 HFE 2,9
 Transistor VCEO 2.0V   3.0V 2
 Transistor VBE accuracy -2%-20mV   +2%+20mV 9
 VBE threshold for Darlington identification   0.9V   3
 VBE threshold for Darlington identification (shunted)   0.8V   4
 Acceptable transistor VBE     1.8V  
 Base-emitter shunt resistance threshold   60k    
 Transistor collector-emitter test current 2.45mA 2.50mA 2.55mA  
 Acceptable transistor collector leakage   1.0mA   6
 MOSFET gate threshold range 0.1V   5.0V 5
 MOSFET gate threshold accuracy -2%-20mV   +2%-20mV 5
 MOSFET drain-source test current 2.45mA 2.50mA 2.55mA  
 MOSFET minimum acceptable gate resistance   8k    
 Thyristor/Triac gate test current   4.5mA   7
 Thyristor/Triac load test current   5mA    
 Diode test current     5mA  
 Diode forward voltage accuracy -2%-2mV   +2%+2mV  
 VF threshold for LED   1.50V    
Short circuit detection threshold   10 ohms    
 Battery type GP23A 12V Alkaline
 Battery voltage range 7.50V 12V    
 Battery voltage warning threshold   8.25V    
 Inactivity power-down period   30 secs    
 Dimensions (excluding test leads) 103 x 70 x 20 mm
 Operating temperature range 0°C   50°C 8
 

 

Example screenshots for a typical transistor:
Example screenshots
Trans Blue Atlas DCA
  1. Between any pair of test clips.
  2. Collector current of 2.50mA.
  3. Resistance across reverse biased base-emitter > 60k.
  4. Resistance across reverse biased base-emitter < 60k.
  5. Drain-source current of 2.50mA.
  6. Collector-Emitter voltage of 5V.
  7. Thyristor quadrant 1, Triac quadrants I and III.
  8. Subject to acceptable LCD visibility.
  9. BJT with no shunt resistors.
Customers who bought the Atlas DCA also bought:
Carry case for Atlas DCA Atlas LCR Passive Component Analyser - Model LCR40 Atlas ESR Electrolytic Capacitor Analyser - Model ESR60 GP23A/MN21 12V Battery
Custom padded carry case Atlas LCR Atlas ESR Spare Battery
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