Ohmite Resistors

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Lot of Ohmite B8J100 Wirewound Resistors Qty 15
Lot of Ohmite B8J100 Wirewound Resistors Qty 15
$21.99
quality
10 Ohmite 1 Wire Wound Resistors 402 Ohms 5 Watts
10 Ohmite 1 Wire Wound Resistors 402 Ohms 5 Watts
$19.95
quality
LOT OF 4 OHMITE 850F15R RE75G150R0 WIREWOUND RESISTORS
LOT OF 4 OHMITE 850F15R RE75G150R0 WIREWOUND RESISTORS
$19.99
quality
Power Resistor Wirewound Chassis Mount 1 Ohms 5 25W OHMITE L25J1R0 2 Pcs
Power Resistor Wirewound Chassis Mount 1 Ohms 5 25W OHMITE L25J1R0 2 Pcs
$15.00
quality
OHMITE 270 12D 57 270 12D 57 27012D57 180  OHM 12W RESISTOR NEW
OHMITE 270 12D 57 270 12D 57 27012D57 180 OHM 12W RESISTOR NEW
$6.24
quality
1x 20000 Ohm 25W Rheostat Wirewound Resistor Potentiometer 25 Watt 20000ohm Ohms
1x 20000 Ohm 25W Rheostat Wirewound Resistor Potentiometer 25 Watt 20000ohm Ohms
$24.99
quality
Ohmite Metal Devil Metal Film Resistors Kit
Ohmite Metal Devil Metal Film Resistors Kit
$150.00
quality
Lot of 50 Ohmite Quonset Hut Metal Mite 5 Watt 805F1K0 Resistors
Lot of 50 Ohmite Quonset Hut Metal Mite 5 Watt 805F1K0 Resistors
$99.99
quality
1x 1500 Ohm 25W Rheostat Wirewound Resistor Potentiometer 25 Watt 1500ohm Ohms
1x 1500 Ohm 25W Rheostat Wirewound Resistor Potentiometer 25 Watt 1500ohm Ohms
$25.00
quality
2pcs Ohmite Wirewound Power Resistor 27 Ohm 11 Watt 5 90J27R
2pcs Ohmite Wirewound Power Resistor 27 Ohm 11 Watt 5 90J27R
$6.25
quality
Ohmite D100K100 Adjustable Resistor Wirewound 100 Ohm 100W Solder Lug 10
Ohmite D100K100 Adjustable Resistor Wirewound 100 Ohm 100W Solder Lug 10
$19.95
quality
25 OHM 160 WATT OHMITE DIVIDOHM VIT ENAMELED RESISTOR  B2
25 OHM 160 WATT OHMITE DIVIDOHM VIT ENAMELED RESISTOR B2
$7.50
quality
OHMITE 1165 RESISTOR 160 WATTS 10000 OHMS
OHMITE 1165 RESISTOR 160 WATTS 10000 OHMS
$10.00
quality
QTY 20 L25J4K0E OHMITE CHASSIS MOUNT WIREWOUND RESISTORS 4K Ohm 25W 5 ROHS
QTY 20 L25J4K0E OHMITE CHASSIS MOUNT WIREWOUND RESISTORS 4K Ohm 25W 5 ROHS
$24.99
quality
Ohmite WFH160LR47KE 47 Ohm 160W Aluminum Housed Wirewound Power Resistor
Ohmite WFH160LR47KE 47 Ohm 160W Aluminum Housed Wirewound Power Resistor
$26.99
quality
OHMITE 0609 270 100M 40 RESISTOR 1000 OHMS NEW NO BOX
OHMITE 0609 270 100M 40 RESISTOR 1000 OHMS NEW NO BOX
$16.00
quality
Ohmite Thick Film Resistor Through Hole 25Mohm 1 100PPM 38W MOX91032505FTE
Ohmite Thick Film Resistor Through Hole 25Mohm 1 100PPM 38W MOX91032505FTE
$9.64
quality
OHMITE 15 Ohm 225 Watt 5 Fixed Audio Speaker Tube Amplifier Power Resistor
OHMITE 15 Ohm 225 Watt 5 Fixed Audio Speaker Tube Amplifier Power Resistor
$9.95
quality
OHMITE ADJUSTABLE RESISTOR  211H 25KA 40 2K000K NSN 5905 00 556 4738
OHMITE ADJUSTABLE RESISTOR 211H 25KA 40 2K000K NSN 5905 00 556 4738
$9.95
quality
Ohmite C300K16R Resistor 16 OHM 300 WATT LOT OF 2
Ohmite C300K16R Resistor 16 OHM 300 WATT LOT OF 2
$24.95
quality
New and UsedResistor Assortment Ohmite Dale Ultraohm Noble some precision
New and UsedResistor Assortment Ohmite Dale Ultraohm Noble some precision
$4.02
quality
OHMITE 150Ohm 25W DIVIPOHM Enameled Ceramic Power variable resistor NOS p
OHMITE 150Ohm 25W DIVIPOHM Enameled Ceramic Power variable resistor NOS p
$4.99
quality
BRAND NEW IN BOX OHMITE RESISTOR 225W 100 OHMS MODEL D225K100
BRAND NEW IN BOX OHMITE RESISTOR 225W 100 OHMS MODEL D225K100
$44.99
quality
BRAND NEW IN BOX OHMITE RESISTOR 175W 1000 OHMS MODEL 210 175P 46
BRAND NEW IN BOX OHMITE RESISTOR 175W 1000 OHMS MODEL 210 175P 46
$39.99
quality
OHMITE 12FR010 Resistor New Lot Quantity 10
OHMITE 12FR010 Resistor New Lot Quantity 10
$13.20
quality
OHMITE 20J47R Resistor New Lot Quantity 10
OHMITE 20J47R Resistor New Lot Quantity 10
$10.60
quality
OHMITE 25J100 Resistor New Lot Quantity 25
OHMITE 25J100 Resistor New Lot Quantity 25
$13.75
quality
OHMITE 40JR30 Resistor New Lot Quantity 20
OHMITE 40JR30 Resistor New Lot Quantity 20
$15.60
quality
OHMITE 43J1R0 1 OHM 5 3W Wire Wound Axial Resistor New Lot Quantity 50
OHMITE 43J1R0 1 OHM 5 3W Wire Wound Axial Resistor New Lot Quantity 50
$18.15
quality
OHMITE 850F500 500 OHM 1 50W Wire Wound Resistor New Lot Quantity 10
OHMITE 850F500 500 OHM 1 50W Wire Wound Resistor New Lot Quantity 10
$16.30
quality
OHMITE 92J110 110 OHM 2W Axial Resistor New Lot Quantity 10
OHMITE 92J110 110 OHM 2W Axial Resistor New Lot Quantity 10
$19.80
quality
OHMITE 45F25K Resistor New Lot Quantity 10
OHMITE 45F25K Resistor New Lot Quantity 10
$16.40
quality
OHMITE 93J750 Resistor New Lot Quantity 5
OHMITE 93J750 Resistor New Lot Quantity 5
$10.30
quality
OHMITE B20J1R0 1 OHM 5 20W Wire Wound Axial Resistor New Lot Quantity 5
OHMITE B20J1R0 1 OHM 5 20W Wire Wound Axial Resistor New Lot Quantity 5
$13.80
quality
OHMITE L50J1R0 Resistor New Lot Quantity 2
OHMITE L50J1R0 Resistor New Lot Quantity 2
$12.18
quality
OHMITE L100J75R Resistor New Lot Quantity 2
OHMITE L100J75R Resistor New Lot Quantity 2
$12.76
quality
OHMITE 13FR020 Resistor New Lot Quantity 15
OHMITE 13FR020 Resistor New Lot Quantity 15
$13.35
quality
OHMITE 4123 1K OHM 15W Ceramic WW Axial Resistor New Quantity 1
OHMITE 4123 1K OHM 15W Ceramic WW Axial Resistor New Quantity 1
$104.03
quality
OHMITE 25J20KE Resistor New Lot Quantity 10
OHMITE 25J20KE Resistor New Lot Quantity 10
$11.40
quality
OHMITE 95J2R7 Ceramic 27 OHM 5WATT WIRE WOUND Axial Resistor Qty 5
OHMITE 95J2R7 Ceramic 27 OHM 5WATT WIRE WOUND Axial Resistor Qty 5
$12.15
quality
OHMITE RW3R0DB5R00JE Resistor New Lot Quantity 10
OHMITE RW3R0DB5R00JE Resistor New Lot Quantity 10
$18.10
quality
OHMITE 20J4R0 Resistor New Lot Quantity 10
OHMITE 20J4R0 Resistor New Lot Quantity 10
$11.40
quality
OHMITE 43J330 Resistor New Lot Quantity 25
OHMITE 43J330 Resistor New Lot Quantity 25
$12.30
quality
OHMITE 63961 5K Resistor New Quantity 1
OHMITE 63961 5K Resistor New Quantity 1
$79.23
quality
OHMITE 45J22R 22 OHM 5 5W Wire Wound Axial Resistor New Lot Quantity 24
OHMITE 45J22R 22 OHM 5 5W Wire Wound Axial Resistor New Lot Quantity 24
$14.91
quality
OHMITE 95J120 120 OHM 5 5W WW Axial Resistor New Lot Quantity 5
OHMITE 95J120 120 OHM 5 5W WW Axial Resistor New Lot Quantity 5
$10.20
quality
OHMITE 85F33R2 Resistor New Lot Quantity 10
OHMITE 85F33R2 Resistor New Lot Quantity 10
$13.60
quality
OHMITE 92J35R 35 OHM 5 2W Wire Wound Axial Resistor New Lot Quantity 10
OHMITE 92J35R 35 OHM 5 2W Wire Wound Axial Resistor New Lot Quantity 10
$13.80
quality
OHMITE 95J68R 68 OHM 5 5W Wire Wound Axial Resistor New Lot Quantity 5
OHMITE 95J68R 68 OHM 5 5W Wire Wound Axial Resistor New Lot Quantity 5
$10.75
quality
OHMITE L12J47K 47K OHM 5 12W Wire Wound Lug Resistor New Lot Quantity 3
OHMITE L12J47K 47K OHM 5 12W Wire Wound Lug Resistor New Lot Quantity 3
$14.79
quality
OHMITE TWM3J56RE Resistor New Lot Quantity 50
OHMITE TWM3J56RE Resistor New Lot Quantity 50
$15.20
quality
OHMITE 13FR080 080 OHM 1 3W WW Axial Resistor New Lot Quantity 15
OHMITE 13FR080 080 OHM 1 3W WW Axial Resistor New Lot Quantity 15
$14.10
quality
OHMITE 23J10R Resistor New Lot Quantity 25
OHMITE 23J10R Resistor New Lot Quantity 25
$12.75
quality
OHMITE 42J750 750 OHM 5 2W Wire Wound Axial Resistor New Lot Quantity 25
OHMITE 42J750 750 OHM 5 2W Wire Wound Axial Resistor New Lot Quantity 25
$11.58
quality
OHMITE L50J250 Resistor New Lot Quantity 3
OHMITE L50J250 Resistor New Lot Quantity 3
$16.50
quality
OHMITE B20J2K5 Resistor New Lot Quantity 5
OHMITE B20J2K5 Resistor New Lot Quantity 5
$13.45
quality
OHMITE R5J5R0 Resistor New Lot Quantity 5
OHMITE R5J5R0 Resistor New Lot Quantity 5
$14.10
quality
OHMITE 25J2K5 Resistor New Lot Quantity 15
OHMITE 25J2K5 Resistor New Lot Quantity 15
$14.76
quality
OHMITE 43J390 390 OHM 5 3W Wire Wound Axial Resistor New Lot Quantity 25
OHMITE 43J390 390 OHM 5 3W Wire Wound Axial Resistor New Lot Quantity 25
$13.55
quality
OHMITE 45J2K0 Resistor New Lot Quantity 50
OHMITE 45J2K0 Resistor New Lot Quantity 50
$21.25
quality
OHMITE 805F300 Resistor New Lot Quantity 5
OHMITE 805F300 Resistor New Lot Quantity 5
$11.15
quality
OHMITE 90J150 150 OHM 5 11W Wire Wound Axial Resistor New Lot Quantity 4
OHMITE 90J150 150 OHM 5 11W Wire Wound Axial Resistor New Lot Quantity 4
$12.00
quality
OHMITE L225J2R0 Resistor New Quantity 1
OHMITE L225J2R0 Resistor New Quantity 1
$15.59
quality
OHMITE 25J300 Resistor New Lot Quantity 25
OHMITE 25J300 Resistor New Lot Quantity 25
$13.75
quality
OHMITE 95J1R5 Ceramic 5 15 OHM 5WATT WIRE WOUND Axial Resistor Qty 5
OHMITE 95J1R5 Ceramic 5 15 OHM 5WATT WIRE WOUND Axial Resistor Qty 5
$11.50
quality
OHMITE RC07GF101J 100 OHM 5 25W CC Axial Resistor New Lot Quantity 100
OHMITE RC07GF101J 100 OHM 5 25W CC Axial Resistor New Lot Quantity 100
$13.90
quality
OHMITE 1518 Resistor New Quantity 1
OHMITE 1518 Resistor New Quantity 1
$12.10
quality
OHMITE 92J4R7 Resistor New Lot Quantity 5
OHMITE 92J4R7 Resistor New Lot Quantity 5
$11.25
quality
OHMITE B12J1K75 Resistor New Lot Quantity 5
OHMITE B12J1K75 Resistor New Lot Quantity 5
$10.65
quality
OHMITE 23J18R 18 OHM 5 3W Wire Wound Axial Resistor New Lot Quantity 25
OHMITE 23J18R 18 OHM 5 3W Wire Wound Axial Resistor New Lot Quantity 25
$12.75
quality
OHMITE D225K250 250 OHM 10 225W Wire Wound Axial Lug Resistor New Quantity 1
OHMITE D225K250 250 OHM 10 225W Wire Wound Axial Lug Resistor New Quantity 1
$21.55
quality
OHMITE TWW5J1R5 Resistor New Lot Quantity 50
OHMITE TWW5J1R5 Resistor New Lot Quantity 50
$14.00
quality
OHMITE OY150KE 15 OHM 10 2W CER COMP Axial Resistor New Lot Quantity 25
OHMITE OY150KE 15 OHM 10 2W CER COMP Axial Resistor New Lot Quantity 25
$17.70
quality
OHMITE 43F1R5 15 OHM 1 3W Wire Wound Axial Resistor New Quantity 25
OHMITE 43F1R5 15 OHM 1 3W Wire Wound Axial Resistor New Quantity 25
$13.95
quality
OHMITE 43J5K0 Resistor New Lot Quantity 10
OHMITE 43J5K0 Resistor New Lot Quantity 10
$13.78
quality
OHMITE B12J30K 30K OHM 5 12W Wire Wound Axial Resistor New Lot Quantity 5
OHMITE B12J30K 30K OHM 5 12W Wire Wound Axial Resistor New Lot Quantity 5
$12.05
quality
OHMITE 45JR10 Resistor New Lot Quantity 15
OHMITE 45JR10 Resistor New Lot Quantity 15
$14.94
quality
OHMITE L25J1K5 15K OHM 5 25W Wire Wound Lug Resistor New Lot Quantity 3
OHMITE L25J1K5 15K OHM 5 25W Wire Wound Lug Resistor New Lot Quantity 3
$12.21
quality
OHMITE 93J15R 15 OHM 5 3W Wire Wound Axial Resistor New Lot Quantity 10
OHMITE 93J15R 15 OHM 5 3W Wire Wound Axial Resistor New Lot Quantity 10
$17.00
quality
OHMITE 91J180 Resistor New Lot Quantity 3
OHMITE 91J180 Resistor New Lot Quantity 3
$11.82
quality
OHMITE F30J75R Resistor New Lot Quantity 3
OHMITE F30J75R Resistor New Lot Quantity 3
$17.10
quality
OHMITE 23J1K0 Resistor New Lot Quantity 25
OHMITE 23J1K0 Resistor New Lot Quantity 25
$17.25
quality
OHMITE 3873 33 OHM 5 25W WW Axial Resistor New Quantity 1
OHMITE 3873 33 OHM 5 25W WW Axial Resistor New Quantity 1
$13.42
quality
OHMITE RHS175E Resistor New Quantity 1
OHMITE RHS175E Resistor New Quantity 1
$30.00
quality
OHMITE 95J22K Ceramic 5 22K 5 WATT WIRE Axial Resistor New Lot Quantity 3
OHMITE 95J22K Ceramic 5 22K 5 WATT WIRE Axial Resistor New Lot Quantity 3
$14.64
quality
OHMITE 825F200 200 OHM 1 25W Wire Wound Axial Resistor New Lot Quantity 10
OHMITE 825F200 200 OHM 1 25W Wire Wound Axial Resistor New Lot Quantity 10
$15.60
quality
OHMITE 43F27R Resistor New Lot Quantity 25
OHMITE 43F27R Resistor New Lot Quantity 25
$11.05
quality
OHMITE OY151KE Ceramic Composition 150 Ohm 2W 10 Axial Resistor New Quantity 25
OHMITE OY151KE Ceramic Composition 150 Ohm 2W 10 Axial Resistor New Quantity 25
$16.95
quality
OHMITE 93J1R2 12 OHM 5 3W Wire Wound Axial Resistor New Lot Quantity 5
OHMITE 93J1R2 12 OHM 5 3W Wire Wound Axial Resistor New Lot Quantity 5
$10.20
quality
OHMITE L25J1R0 Resistor New Lot Quantity 4
OHMITE L25J1R0 Resistor New Lot Quantity 4
$11.28
quality
OHMITE 91J20R Resistor New Lot Quantity 4
OHMITE 91J20R Resistor New Lot Quantity 4
$15.12
quality
OHMITE F55J1R0 Resistor New Quantity 1
OHMITE F55J1R0 Resistor New Quantity 1
$10.94
quality
OHMITE 43J7K5 Resistor New Lot Quantity 25
OHMITE 43J7K5 Resistor New Lot Quantity 25
$16.25
quality
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Ohmite Resistors

See More About:    Ohmite Resistor        
680V over OHMITE 100 ohm 225W resistor

The Test Methods and Experiences of 8 Resistors

1. Fixed Resistor Testing.

A. Connect the two probes(regardless of positive and negative) to the pins of resistors respecially, the actual resistance value will be measured. In order to improve the measurement accuracy, the measured resistance should be based on the size of the nominal value to select the range. As the scale of the nonlinear Ohm's block, dividing it in the middle of a more refined, pointer indicates the value should be possible to scale fell on the middle position, that is the start of full scale of 20% to 80% within the arc to make the measurements more accurate. According to a different level of resistance error. Reading between the nominal resistance were allowed ± 5%, ± 10% or ± 20% error. If we do not match, beyond the error range, then the resistance value change the value.

B. Note: When you are testing, particularly in the resistance measured over tens of kΩ resistor, hands do not touch the probe and resistance of the conductive part; be detected in the welding of the resistance from the circuit down, at least open a welding head, in order to avoid circuit The impact on other components of the test, resulting in measurement residual; the resistance value of color ring resistor can be able to determined by color ring marks, but is best to test the actual resistance using a multimeter.

2. Cement Resistance Testing.

Detection of resistance of cement and precautions to ordinary fixed resistor with the same test.

3. Fuse Resistors Test.

In the circuit, when the fuse resistor fuse open, you can make judgments based on experience: If it is found fuse resistors or charred black surface, it can be concluded that the overload rating of the current through it many times over due; If the surface without any trace of the open, it indicates that the current flow is equal to or just greater than the rated fuse value of sales. For the surface without any trace of the fuse resistor to judge good or bad, can make use of the multimeter to measure the R × 1 block, to ensure accurate measurement, it should fuse resistors from the circuit on one end of the next weld. If the measured resistance is infinite, then the fuse has failed open circuit resistor, if the measured resistance falls far short of the nominal value, that value of resistance change, we should not be used. In the maintenance of practice found that a small number of resistors in the circuit fuse is short breakdown phenomenon, attention should also be detected.

4. Potentiometer Detection.

Check the potentiometer, the first to turn the rotating handle, turn handle to see whether the smooth rotation, the switch is flexible, switch-pass, short "clicks" is crisp, and listen to the potentiometer and the resistance of the contact point within the body of friction sound, if any "imperfections" sound, indicating poor quality. Test with a multimeter, the first based on the size of the measured resistance of the potentiometer, the appropriate choice of a good multimeter resistance gear, and then according to the following method for testing.

A. Measured with a multimeter's ohm block "1" "2" at both ends, the reading should be nominal for the potentiometer resistance, such as the meter pointer does not move a lot of difference, or resistance, it indicates that the potentiometer is damaged.

B. Detect whether the activities of the potentiometer arm and the resistance of film contact is good or not. The ohm meter test block with "1" "2" ("2" "3") ends of the potentiometer shaft counterclockwise rotation to close the "off" position, when the resistance value as possible. Handle clockwise rotation axis and then slowly, the resistance value should be increased gradually, the pointer in the header should be a smooth move. When the spin axis of the handle to the extreme position of "3", the resistance should be close to the nominal value of the potentiometer. If the multimeter pointer handle potentiometer shaft rotation in the process of jumps, indicating active fault contacts are bad.

5. Positive Temperature Coefficient Thermistor (PTC) Detection.

When detecting, with a multimeter R × 1 block, concrete and two-step operation:

A. Room Temperature Testing (room temperature close to 25 ℃): the two probes touch the two pins PTC thermistors measure the actual resistance, and with the relative ratio of the nominal resistance, the difference between the two is the normal within the ± 2Ω. If the nominal resistance and the resistance of the actual difference is too large, then the performance is bad or damaged.

B. Heating Test: at room temperature, on the basis of the tests are normal, then a second step tests - heat detection, to a heat source (such as electric iron) near the PTC thermistor to its heating, while monitoring the resistance with a multimeter if the value increases with increasing temperature, and if so, that the normal thermal resistance, if resistance did not change, indicating that its performance became inferior and can not be used. Careful not to heat with the PTC thermistor by too close or direct contact with the thermistor in order to prevent their ruined.

6. Negative Temperature Coefficient Thermistor (NTC) Testing.

(1) Measured nominal resistance value Rt NTC thermistor with a multimeter measuring methods and measuring the same way as ordinary fixed resistor, which according to the nominal resistance of NTC thermistor select the appropriate power block can be directly measured actual Rt value. But NTC thermistor is sensitive to temperature, so the test should note the following:

A. Rt is the manufacturer at an ambient temperature measured at 25 ℃, so the Rt measured with a multimeter when the ambient temperature should also be close to 25 ℃, in order to ensure the credibility of the test.

B. Measurement of power shall not exceed the specified value, so that the current measurement error caused by thermal effects.

C. It is operating correctly. Test, and hold your hands to prevent the body temperature of the test impact.

(2) Estimate the temperature coefficient "at"

First measured the value of t1 resistance Rt1 at room temperature, then electric soldering iron for heat, close to the thermistor Rt, measure the resistance RT2, also measured with a thermometer at this time the surface of the thermistor RT and then calculated the average temperature t2.

7. Varistor Testing.

R × 1k with a multimeter to measure the varistor block between the two pins is, the reverse insulation resistance, are infinite, otherwise, that leakage current. If the measured resistance is very small, indicating varistor is damaged, can not be used.

8. Photosensitive Resistance Testing.

A. With a black piece of paper to cover the window light sensitive resistor, when the multimeter pointer remained fixed, the resistance approaches infinity. This value shows the bigger the better performance of photosensitive resistance. If this value is very small or close to zero, indicating photoresistor has burn damage, can not continue to use.

B. Will be a light transmittance of the window aligned photosensitive resistance, when the multimeter pointer swing should be more substantial, more resistance was significantly reduced. The smaller this value the better the performance that photosensitive resistance. If this value is large or even infinite, indicating that the resistance of the internal open-photosensitive damage, can no longer continue.

C. The photosensitive resistor light window light rays aligned with the black pieces of paper on top of the window shade photoresistors shaking, it stopped by the light, this time with the black pieces of paper multimeter pointer should be shaking and side to side. If the meter pointer position does not always stop with the paper in a rock and swing, indicating resistance of the photosensitive photosensitive materials have been damaged.

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