20 Nisan 2010 Salı

SERAMİK KONDANSATÖRLER


SERAMİK KONDANSATÖRLER

1,5NF    2000V              
1,5NF1000V                  
1,5PF    100V              
100PF    500V    MULTILAYER SERAMİK          
100PF    50V              
100PF    750ACX1              
100PF50V                  
100PF6000                  
10PF    3000V              
10PF100V                  
12PF    100V              
150PF3000V                  
15NF500V                  
15NF50V                  
15PF50V                  
180PF500V                  
18PF    500V              
18PF    50V              
1NF    440ACX1              
2,2NF    440AC              
2,2NF    1000V              
2,2NF250V    ACY2              
2,2NF4000V                  
2,2NF500V                  
2,2NF6000V        20          
2,5NF    440AC              
220PF2000V                  
220PF500V                  
220PF50V                  
22NF50V                  
22PF50V                  
3,3NF    2000V              
3,3NF1000V                  
3,3NF6000V                  
3,9NF50V                  
330PF100V    5 ŞERİT    10    MKT    KUTU TİPİ    VİS
33NF250    7,5 ŞERİT    5    MKT    KUTU TİPİ    VİS
390PF630V    AX    1        KUTU TİPİ    VİS
39PF    50V              
4,7NF    500              
4,7NF    760ACX1              
4,7NF2000V                  
4,7NF440V    ACX1    20          
4,7NF50V                  
470PF    8000V              
470PF    6000V              
470PF1000V    MULTİLAYER    20    SERAMİK      
470PF100V                  
470PF2000V        20          
47PF1000V                  
47PF100V                  
5,6NF50V                  
680PF    500V              
680PF100V    5 ŞERİT    2,5    MKT    KUTU TİPİ    VİS
680PF440V    ACX1              
68PF    2000V              
8,2PF    100V 
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İzleyiciler

LED DİRENÇ HESAPLAMA

All LEDs require current limiting, without a current limiting mechanism the LED will usually burn out in under a second. Adding a simple resistor is the easiest way to limit the current. Use the calculator below to find out the value of resistor you require.

For example if you are wanting to power one of our_blank">red LEDs in an automotive application you would see that the typical forward voltage is 2.0 Volts and the maximum continuous forward current is 30mA. Therefore you would enter 14.5, 2.0 and 30 into the Single LED calculation box. After calculating you get 470ohm 1 watt as the result. Here is a that allows you to enter a resistor value and generate the corresponding color code.

Note: For automotive applications use the actual system voltage, not 12 Volts. Most 12 Volt system actually operate at around 14.5 Volts.

Supply Voltage
VOLTS
Voltage Drop Across LED
VOLTS
Desired LED Current
MILLIAMPS



Calculated Limiting Resistor
OHMS
Nearest higher rated 10% resistor

Calculated Resistor Wattage
WATTS
Safe pick is a resistor with
power rating of (common values are .25W, .5W, and 1W)
WATTS

LEDs in series

Several leds in series with one resistor
Supply Voltage
VOLTS
Voltage Drop Across LED
VOLTS
Desired LED Current
MILLIAMPS
How many LEDs connected




Calculated Limiting Resistor
OHMS
Nearest higher rated 10% resistor

Calculated Resistor Wattage
WATTS
Safe pick is a resistor with
power rating of (common values are .25W, .5W, and 1W)
WATTS
LM317 UYGULAMA DEVRELERİ HESAPLAMASI

 




Çıkış Voltajı
R1 resistor

R2 resistor

R1 resistor
R2 resistor

Çıkış Voltajı


Lm317 uygulama devreleri ve detayli bilgiye Buradan ulasabilirsiniz

LM555 - ASTABLE OSCILLATOR CALCULATOR

LM555 - ASTABLE OSCILLATOR CALCULATOR
Value Of R1 Ohms Value Of R2 Ohms
Value Of C1 Microfarads
Output Time HIGH SECONDS Output Time LOW SECONDS Output Period HIGH + LOW SECONDS Output Frequency HERTZ Output Duty Cycle PERCENT
Resistor values are in Ohms (1K = 1000) - Capacitor values are in Microfarads (1uF = 1)

NOTE: The leakage currents of electrolytic capacitors will affect the actual output results of the timers. To compensate for leakage it is often better to use a higher value capacitor and lower value resistances in the timer circuits.

LM555 Astable Oscillator Circuit Diagram

LM555 - ASTABLE CAPACITOR CALCULATOR

The next calculator can find the capacitance needed for a particular output frequency if the values of R1 and R2 are known.

Value Of R1 Ohms Value Of R2 Ohms
Frequency Desired Hertz
Capacitance uF
s

VOLT AMPER OHM ve WATT HESAPLAMA

Current:
kA (kiloamps) A (amps) mA (milliamps) µA (microamps)
Voltage:
kV (kilovolts) V (volts) mV (millivolts) µV (microvolts)