Wirewound Resistors

Jun 14
2009

LECTROHM 18 k OHMS WIREWOUND RESISTOR 5 W NNB
LECTROHM 18 k OHMS WIREWOUND RESISTOR 5 W NNB
$2.50
Time Remaining: 25d 8m
Buy It Now for only: $2.50

LECTROHM 135 k OHMS WIREWOUND RESISTOR 10 W NNB
LECTROHM 135 k OHMS WIREWOUND RESISTOR 10 W NNB
$3.50
Time Remaining: 25d 9m
Buy It Now for only: $3.50

DALE VL25 25 WATTS 3 K OHMS WIREWOUND RESISTOR NNB
DALE VL25 25 WATTS 3 K OHMS WIREWOUND RESISTOR NNB
$4.25
Time Remaining: 10d 5h 16m
Buy It Now for only: $4.25

DALE RWR74S WIREWOUND RESISTOR 5 W 1 75 K OHMS NNB
DALE RWR74S WIREWOUND RESISTOR 5 W 1 75 K OHMS NNB
$1.25
Time Remaining: 24d 4h 43m
Buy It Now for only: $1.25

SAGE 5W 1550S 35 3 35 OHM WIREWOUND RESISTOR NNB
SAGE 5W 1550S 35 3 35 OHM WIREWOUND RESISTOR NNB
$1.10
Time Remaining: 21d 20h 6m
Buy It Now for only: $1.10

DALE HL 25 02Z 24 700 OHMS WIREWOUND RESISTOR 15 W NNB
DALE HL 25 02Z 24 700 OHMS WIREWOUND RESISTOR 15 W NNB
$8.50
Time Remaining: 18d 20h 31m
Buy It Now for only: $8.50

CLARO VPR 20H 5 K OHMS WIREWOUND RESISTOR 20 W NNB
CLARO VPR 20H 5 K OHMS WIREWOUND RESISTOR 20 W NNB
$8.25
Time Remaining: 18d 20h 30m
Buy It Now for only: $8.25

SAGE 5W 1550S 7100 3 7 K OHM WIREWOUND RESISTOR NNB
SAGE 5W 1550S 7100 3 7 K OHM WIREWOUND RESISTOR NNB
$1.10
Time Remaining: 21d 20h 6m
Buy It Now for only: $1.10

LECTROHM 1750 OHMS WIREWOUND RESISTOR 20 W NNB
LECTROHM 1750 OHMS WIREWOUND RESISTOR 20 W NNB
$6.50
Time Remaining: 18d 20h 31m
Buy It Now for only: $6.50

EAGTOP RXLG RESISTOR WIREWOUND ALUM CASING 100OHM  100W
EAGTOP RXLG RESISTOR WIREWOUND ALUM CASING 100OHM 100W
$24.99
Time Remaining: 24d 4h 25m
Buy It Now for only: $24.99

DALE RS 10 10W WIREWOUND RESISTOR 10 W 1 130 OHMS NNB
DALE RS 10 10W WIREWOUND RESISTOR 10 W 1 130 OHMS NNB
$2.25
Time Remaining: 25d 8m
Buy It Now for only: $2.25

DALE RWR74S WIREWOUND RESISTOR 5 W 1 140 OHMS NNB
DALE RWR74S WIREWOUND RESISTOR 5 W 1 140 OHMS NNB
$1.25
Time Remaining: 25d 8m
Buy It Now for only: $1.25

LECTROHM 75 K OHMS WIREWOUND RESISTOR 10 W NNB
LECTROHM 75 K OHMS WIREWOUND RESISTOR 10 W NNB
$2.50
Time Remaining: 18d 2h 49m
Buy It Now for only: $2.50

LECTROHM 90000 OHMS WIREWOUND RESISTOR 20 W NNB
LECTROHM 90000 OHMS WIREWOUND RESISTOR 20 W NNB
$6.50
Time Remaining: 22d 22h 14m
Buy It Now for only: $6.50

LECTROHM 75000 OHMS WIREWOUND RESISTOR 20 W NNB
LECTROHM 75000 OHMS WIREWOUND RESISTOR 20 W NNB
$6.50
Time Remaining: 23d 20h 19m
Buy It Now for only: $6.50

CLARO VC5E 47 OHMS WIREWOUND RESISTOR 5 W NNB
CLARO VC5E 47 OHMS WIREWOUND RESISTOR 5 W NNB
$1.30
Time Remaining: 20h 58m
Buy It Now for only: $1.30

CLARO VC5E 03 OHMS WIREWOUND RESISTOR 5 W NNB
CLARO VC5E 03 OHMS WIREWOUND RESISTOR 5 W NNB
$6.50
Time Remaining: 18d 20h 30m
Buy It Now for only: $6.50

DALE RWR84S WIREWOUND RESISTOR 5 W 2200 OHMS NNB
DALE RWR84S WIREWOUND RESISTOR 5 W 2200 OHMS NNB
$1.25
Time Remaining: 20h 59m
Buy It Now for only: $1.25

AEROVOX 6 K OHMS WIREWOUND RESISTOR 20 W NNB
AEROVOX 6 K OHMS WIREWOUND RESISTOR 20 W NNB
$8.25
Time Remaining: 18d 20h 30m
Buy It Now for only: $8.25

LECTROHM 8000 225 OHMS WIREWOUND RESISTOR 20 W NNB
LECTROHM 8000 225 OHMS WIREWOUND RESISTOR 20 W NNB
$6.50
Time Remaining: 20h 57m
Buy It Now for only: $6.50

LECTROHM 45000 OHMS WIREWOUND RESISTOR 20 W NNB
LECTROHM 45000 OHMS WIREWOUND RESISTOR 20 W NNB
$6.50
Time Remaining: 22d 22h 14m
Buy It Now for only: $6.50

LECTROHM 900 OHMS WIREWOUND RESISTOR 10 W NNB
LECTROHM 900 OHMS WIREWOUND RESISTOR 10 W NNB
$2.50
Time Remaining: 25d 8m
Buy It Now for only: $2.50

PENN 68 1 3 WATTS 68 OHMS WIREWOUND RESISTOR 2 NNB
PENN 68 1 3 WATTS 68 OHMS WIREWOUND RESISTOR 2 NNB
$1.10
Time Remaining: 21d 20h 6m
Buy It Now for only: $1.10

OHMITE 4630 2K OHM WIREWOUND RESISTOR 2 W 2 NNB
OHMITE 4630 2K OHM WIREWOUND RESISTOR 2 W 2 NNB
$1.30
Time Remaining: 17d 20h 51m
Buy It Now for only: $1.30

LECTROHM 12 k OHMS WIREWOUND RESISTOR 20 W NNB
LECTROHM 12 k OHMS WIREWOUND RESISTOR 20 W NNB
$6.50
Time Remaining: 19d 20h 13m
Buy It Now for only: $6.50

RCL RW55 345 K OHMS 5 WATTS WIREWOUND RESISTOR NNB
RCL RW55 345 K OHMS 5 WATTS WIREWOUND RESISTOR NNB
$1.50
Time Remaining: 23d 20h 20m
Buy It Now for only: $1.50

DALE HL 25 02Z 24 760 OHMS WIREWOUND RESISTOR 16 W NNB
DALE HL 25 02Z 24 760 OHMS WIREWOUND RESISTOR 16 W NNB
$6.50
Time Remaining: 9d 3h 57m
Buy It Now for only: $6.50

DALE RW74U WIREWOUND RESISTOR 5 W 845 OHMS NNB
DALE RW74U WIREWOUND RESISTOR 5 W 845 OHMS NNB
$1.20
Time Remaining: 20h 58m
Buy It Now for only: $1.20

SAGE 3W 1400S 150 3 3W 150 OHM WIREWOUND RESISTOR NNB
SAGE 3W 1400S 150 3 3W 150 OHM WIREWOUND RESISTOR NNB
$1.10
Time Remaining: 21d 20h 6m
Buy It Now for only: $1.10

DALE RWR74S WIREWOUND RESISTOR 5 W 1 615 K OHMS NNB
DALE RWR74S WIREWOUND RESISTOR 5 W 1 615 K OHMS NNB
$1.40
Time Remaining: 9d 3h 56m
Buy It Now for only: $1.40

DALE RWR74S WIREWOUND RESISTOR 5 W 62 K OHMS NNB
DALE RWR74S WIREWOUND RESISTOR 5 W 62 K OHMS NNB
$2.25
Time Remaining: 17d 20h 5m
Buy It Now for only: $2.25

OHMITE 4636A 35 K OHM WIREWOUND RESISTOR 5 W NNB
OHMITE 4636A 35 K OHM WIREWOUND RESISTOR 5 W NNB
$1.50
Time Remaining: 27d 23m
Buy It Now for only: $1.50

DALE RWR78S WIREWOUND RESISTOR 10 W 2 K OHMS NNB
DALE RWR78S WIREWOUND RESISTOR 10 W 2 K OHMS NNB
$3.25
Time Remaining: 27d 22m
Buy It Now for only: $3.25

DALE CW 5 6 2K OHM WIREWOUND RESISTOR 2 W NNB
DALE CW 5 6 2K OHM WIREWOUND RESISTOR 2 W NNB
$1.30
Time Remaining: 17d 20h 50m
Buy It Now for only: $1.30

SAGE 5W 1550S 3100 OHM 5 WATTS WIREWOUND RESISTOR NNB
SAGE 5W 1550S 3100 OHM 5 WATTS WIREWOUND RESISTOR NNB
$1.50
Time Remaining: 23d 20h 20m
Buy It Now for only: $1.50

SAGE 5W 1550S 6300 3 63 K OHM WIREWOUND RESISTOR NNB
SAGE 5W 1550S 6300 3 63 K OHM WIREWOUND RESISTOR NNB
$1.10
Time Remaining: 23d 19h 13m
Buy It Now for only: $1.10

LECTROHM 1100 1100 OHMS WIREWOUND RESISTOR 10 W NNB
LECTROHM 1100 1100 OHMS WIREWOUND RESISTOR 10 W NNB
$3.50
Time Remaining: 18d 20h 31m
Buy It Now for only: $3.50

LECTROHM 18 k OHMS WIREWOUND RESISTOR 10 W NNB
LECTROHM 18 k OHMS WIREWOUND RESISTOR 10 W NNB
$3.50
Time Remaining: 19d 20h 12m
Buy It Now for only: $3.50

LECTROHM 9000 OHMS WIREWOUND RESISTOR 10 W NNB
LECTROHM 9000 OHMS WIREWOUND RESISTOR 10 W NNB
$3.50
Time Remaining: 19d 20h 13m
Buy It Now for only: $3.50

LECTROHM 65000 OHMS WIREWOUND RESISTOR 20 W NNB
LECTROHM 65000 OHMS WIREWOUND RESISTOR 20 W NNB
$3.50
Time Remaining: 25d 8m
Buy It Now for only: $3.50

Post Glover ILC 606 DBENIA2 Wire Wound Resistor PR5 FB
Post Glover ILC 606 DBENIA2 Wire Wound Resistor PR5 FB
$100.00
Time Remaining: 23d 23h 2m
Buy It Now for only: $100.00

PBR 4035 60A P G Wirewound 928 watt power Resistor
PBR 4035 60A P G Wirewound 928 watt power Resistor
$95.00
Time Remaining: 29d 3h 39m
Buy It Now for only: $95.00

5 DALE WISHAY RH 25 25W WIREWOUND RESISTOR POWER1274
5 DALE WISHAY RH 25 25W WIREWOUND RESISTOR POWER1274
$20.00
Time Remaining: 19d 18h 59m
Buy It Now for only: $20.00

OHMITE BROWN DEVIL POWER WIREWOUND RESISTORS 1541 15
OHMITE BROWN DEVIL POWER WIREWOUND RESISTORS 1541 15
$27.00
Time Remaining: 17d 12h 59m
Buy It Now for only: $27.00

Wirewound Resistors
Wirewound Resistors

the closest standard resistor values?

i'm solving electronic homework ,and i got the values R1=66.67
R2=12.4k
(and Rs=10 ,RL=1k are given),there is part in the question which want me to chose the closet values for the resistor before i design the circuit in pspice program.
can u tell me how i can chose from the given appendix below

Preferred resistance values (approximately 10% increase)

I1.01.52.23.34.76.8
II1.11.62.43.65.17.5
III1.21.82.73.95.68.2
IV1.32.03.04.36.29.1

I to IV for (+-)5% tolerance resistors
I and III for (+-)10% tolerance resistors
I for (+-)20% tolerance resistors

Values multiplied by 1, 10, 100, 1k, 10k, 100k, 1M, 10M
Multiplier 10 to 100k can cover all the preferred values
E.g. 11, 110, 1.1k, 11k, 110k

Resistor types: Carbon film, metal film, wirewound
i think this will be clear

I(1.0)(1.5)(2.2)(3.3)(4.7)6.8)
II(1.1)(1.6)(2.4)(3.6)(5.1)(7.5)
III(1.2)(1.8)(2.7(3.9)(5.6)(8.2)
IV(1.3)(2.0)(3.0)(4.3)(6.2)(9.1)

These are the E12 series resistors I'd chose. It is easier to recognise the values in your list if you do your formatting a bit better.

I 1.0 1.5 2.2 3.3 4.7 6.8
II 1.1 1.6 2.4 3.6 5.1 7.5
III 1.2 1.8 2.7 3.9 5.6 8.2
IV 1.3 2.0 3.0 4.3 6.2 9.1

Metal film is more common and more stable. Use wirewound if you are dumping a lot of Watts.

Group I - R1, 68Ω 10%
Group III - R2, 12kΩ 10%

Fixed and variable wire wound resistors

Comments are closed.