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Electronics > Component Marking > Flashcards

Component Marking Flashcards

1
Q

Stripe on (polarized) capacitor indicates:

A

negative terminal (cathode)

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2
Q

Long leg of component usually indicates:

A

positive side (anode if a diode)

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3
Q

Smaller capacitor label “xxy” means:

A

xx * 10^y picofarads

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4
Q

Small Capacitor mark “106” indicates:

A

10 microfarads (10,000,000 picofarads)

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5
Q

Small Capacitor mark “334” indicates:

A

333 nanofarads (333,000 picofarads) .333 microfarads

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6
Q

4-band Resistor band meanings

A

<1><2> * 10^<3> ohms; <4> = tolerance

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7
Q

5-band resistor band meanings

A

<1><2><3> * 10^<4> ohms; <5> = tolerance

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8
Q

6-band resistor band meanings

A

<1><2><3> * 10^<4> ohms; <5> = tolerance; <6> = temp coefficient

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9
Q

Resistor digit: Black

A

0

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10
Q

Resistor digit: Brown

A

1

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11
Q

Resistor digit: Red

A

2

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12
Q

Resistor digit: Orange

A

3

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13
Q

Resistor digit: Yellow

A

4

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14
Q

Resistor digit: Green

A

5

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15
Q

Resistor digit: Blue

A

6

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16
Q

Resistor digit: Violet

A

7

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17
Q

Resistor digit: Gray

A

8

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18
Q

Resistor digit: White

A

9

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19
Q

Resistor multiplier: Silver

A

0.01

20
Q

Resistor multiplier: Gold

A

0.1

21
Q

Resistor multiplier: Black

A

1

22
Q

Resistor multiplier: Brown

A

10

23
Q

Resistor multiplier: Red

A

100

24
Q

Resistor multiplier: Orange

A

1,000 (1k)

25
Q

Resistor multiplier: Yellow

A

10,000 (10k)

26
Q

Resistor multiplier: Green

A

100,000 (100k)

27
Q

Resistor multiplier: Blue

A

1,000,000 (1M)

28
Q

Resistor multiplier: Violet

A

10,000,000 (10M)

29
Q

Resistor tolerance: Silver

A

+/- 10%

30
Q

Resistor tolerance: Gold

A

+/- 5%

31
Q

Resistor tolerance: Brown

A

+/- 1%

32
Q

Resistor tolerance: Red

A

+/- 2%

33
Q

Resistor tolerance: Green

A

+/- 0.5%

34
Q

Resistor tolerance: Blue

A

+/- 0.25%

35
Q

Resistor tolerance: Violet

A

+/- 0.1%

36
Q

SMD Resistor with three numbers means:

A

<1><2> * 10^<3> ohms

37
Q

SMD Resistor with two numbers and a letter

A

E96 coding system

38
Q
A

Zener Diode

39
Q
A

Shottky Diode

40
Q
A

N-channel Enhancement-mode MOSFET (NMOS)

41
Q
A

P-channel Enhancement-mode MOSFET (PMOS)

42
Q
A

N-channel Depletion-mode MOSFET

43
Q
A

P-channel Depletion-mode MOSFET

44
Q

SMD Resistor with mark: nRn

A

n.n Ω

45
Q

Tolerances of SMD Resistors

A

In most cases, you’ll find that a surface mount resistor marked with the 3-digit code has a tolerance of 5% and a resistor marked with 4-digit code or the new EIA-96 code has a tolerance of 1% or less.

Electronics (4 decks)

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