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KOA Speer Electronics, Inc.

KOA Speer Electronics, Inc.- Test Leads

KOA Speer Electronics, Inc. is a premier manufacturer of passive electronic components, primarily resistors and inductors. Headquartered in Bradford, Pennsylvania, USA, it is the North American subsidiary of Japan's KOA Corporation, founded in 1940. The company specializes in thick film, thin film, and current sense resistors, serving automotive, industrial, medical, and aerospace markets. Its flagship product series include the RK73 thick film chip resistors, SR73 current sensing resistors, and TF series thin film precision resistors. KOA Speer also offers a range of inductors and thermistors. Known for high reliability and precision, the company is a key supplier to demanding applications like engine control units and safety systems. With a strong R&D focus, it continuously advances thin film technologies and miniaturization. Globally, KOA Speer holds a significant market share in chip resistors, competing among the top passive component manufacturers. Their components are integral to power management, signal integrity, and circuit protection in electronics worldwide.

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Test Leads - 型号列表

22 parts in total

Resistance

Factory Pack Quantity

Temperature Coefficient

Power - Rated

Voltage Rating

Diameter

Packaging

Lead Spacing

Package / Case

Size / Dimension

Type

Mfr Part #Quantity AvailablePriceProductProduct CategoryRoHSToleranceResistancePower - RatedVoltage RatingDiameterPackagingLead SpacingPackage / CaseSize / DimensionTermination StyleMechanical LifeOperating TemperatureTypeSeriesFactory Pack QuantityTemperature CoefficientEU RoHS
RC1/2T220J
RC1/2T220J

Carbon Composition Resistors 1/2watts 22ohms 5%

KOA Speer

4981: ¥2.176Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %22 Ohms500 mW (1/2 W)500 V3.6 mmBulk0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC100--
RC1/2T273J
RC1/2T273J

Carbon Composition Resistors 1/2watts 27Kohms 5%

KOA Speer

4111: ¥2.176Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %27 kOhms500 mW (1/2 W)500 V3.6 mmBulk0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC1000- 7.5 PPM / C, 0 PPM / C-
RC1/2T223J
RC1/2T223J

Carbon Composition Resistors 1/2watts 22Kohms 5%

KOA Speer

3671: ¥2.176Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %22 kOhms500 mW (1/2 W)500 V3.6 mmBulk0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC1000- 7.5 PPM / C, 0 PPM / C-
RC1/2T475J
RC1/2T475J

Carbon Composition Resistors 1/2watts 4.7Mohms 5%

KOA Speer

6631: ¥2.448Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %4.7 MOhms500 mW (1/2 W)500 V3.6 mmBulk0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC1000- 15 PPM / C, 0 PPM / C-
RC1/4T120J
RC1/4T120J

Carbon Composition Resistors 12 ohm 5%

KOA Speer

8121: ¥1.875Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %12 Ohms250 mW (1/4 W)100 V2.4 mmBulk0.6 mm6.3 mm2.4 mm Dia. x 6.3 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC1000--
RC1/4T470J
RC1/4T470J

Carbon Composition Resistors 47 ohm 5%

KOA Speer

3151: ¥1.768Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %47 Ohms250 mW (1/4 W)100 V2.4 mmBulk0.6 mm6.3 mm2.4 mm Dia. x 6.3 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC200--
RC1/2T470J
RC1/2T470J

Carbon Composition Resistors 1/2watts 47ohms 5%

KOA Speer

4671: ¥2.176Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %47 Ohms500 mW (1/2 W)500 V3.6 mmBulk0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC100--
RC1/2T272J
RC1/2T272J

Carbon Composition Resistors 1/2watts 2.7Kohms 5%

KOA Speer

891: ¥2.176Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %2.7 kOhms500 mW (1/2 W)500 V3.6 mmBulk0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC1000- 6 PPM / C, 0 PPM / C-
RC1/2T4R7J
RC1/2T4R7J

Carbon Composition Resistors 1/2watts 4.7ohms 5%

KOA Speer

101: ¥2.176Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %4.7 Ohms500 mW (1/2 W)500 V3.6 mmBulk0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC100--
RC1/2T8R2J
RC1/2T8R2J

Carbon Composition Resistors 1/2watts 8.2ohms 5%

KOA Speer

7601: ¥2.176Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %8.2 Ohms500 mW (1/2 W)500 V3.6 mmBulk0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC100--
RC1/2T684J
RC1/2T684J

Carbon Composition Resistors 1/2watts 680Kohms 5%

KOA Speer

2121: ¥2.176Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %680 kOhms500 mW (1/2 W)500 V3.6 mmBulk0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC100- 10 PPM / C, 0 PPM / C-
RC1/4T122J
RC1/4T122J

Carbon Composition Resistors 1.2K OHM 5%

KOA Speer

731: ¥1.428Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %1.2 kOhms250 mW (1/4 W)100 V2.4 mmBulk0.6 mm6.3 mm2.4 mm Dia. x 6.3 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Film ResistorRC-- 6 PPM / C, 0 PPM / C-
RC1/2T153J
RC1/2T153J

Carbon Composition Resistors 1/2watts 15Kohms 5%

KOA Speer

4671: ¥2.176Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %15 kOhms500 mW (1/2 W)500 V3.6 mmReel0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC1000- 7.5 PPM / C, 0 PPM / C-
RC1/4T622J
RC1/4T622J

Carbon Composition Resistors 6.2K OHM 5%

KOA Speer

8681: ¥1.428Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %6.2 kOhms250 mW (1/4 W)100 V2.4 mmBulk0.6 mm6.3 mm2.4 mm Dia. x 6.3 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 C---- 6 PPM / C, 0 PPM / C-
RC1/2T185J
RC1/2T185J

Carbon Composition Resistors 1/2watts 1.8Mohms 5%

KOA Speer

8291: ¥2.448Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %1.8 MOhms500 mW (1/2 W)500 V3.6 mmBulk0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC100- 6 PPM / C, 0 PPM / C-
RC1/4T182J
RC1/4T182J

Carbon Composition Resistors 1.8K ohm 5%

KOA Speer

1711: ¥1.768Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %1.8 kOhms250 mW (1/4 W)100 V2.4 mmBulk0.6 mm6.3 mm2.4 mm Dia. x 6.3 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC200- 6 PPM / C, 0 PPM / C-
RC1/4T6R8J
RC1/4T6R8J

Carbon Composition Resistors 6.8 ohm 5%

KOA Speer

1911: ¥1.768Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %6.8 Ohms250 mW (1/4 W)100 V2.4 mmReel0.6 mm6.3 mm2.4 mm Dia. x 6.3 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC1000--
RC1/2T394J
RC1/2T394J

Carbon Composition Resistors 1/2watts 390Kohms 5%

KOA Speer

4841: ¥2.176Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %390 kOhms500 mW (1/2 W)500 V3.6 mmBulk0.7 mm9.5 mm3.6 mm Dia. x 9.5 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC1000- 10 PPM / C, 0 PPM / C-
RC1/4TT52R104J
RC1/4TT52R104J

Carbon Composition Resistors 100K ohm 5% Res Carbon Composition 100K Ohm 5% 0.2W(1/5W) -7.5ppm/°C to 13ppm/°C Conformal AXL T/R

KOA Speer

4661: ¥1.768Resistors Carbon CompositionCarbon Composition ResistorsRoHS Compliant5 %100 kOhms250 mW (1/4 W)100 V2.4 mmReel0.6 mm6.3 mm2.4 mm Dia. x 6.3 mm LAxialEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.- 55 C to + 125 CCarbon Composition ResistorRC5000- 7.5 PPM / C, 0 PPM / CCompliant
SR731JTK001KIT
SR731JTK001KIT

KOA Speer Electronics, Inc.

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