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KOA Speer Electronics, Inc.- Embedded Microcontrollers

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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Embedded Microcontrollers - 型号列表

4 parts in total

Mfr Part #	Quantity Available	Price	Military Standard	Tolerance	Resistance	Power - Max	Depth	Height	Packaging	Construction	Lead Spacing	Package / Case	Length - Overall	Termination Style	Type	Failure Rate	Operating Temperature	Temperature Coefficient	DELETED
CF1/4 Res Carbon Film 3K Ohm 5% 0.25W -450ppm/�C to 350ppm/�C Conformal AXL Thru-Hole T/R Res Carbon Film 680 Ohm 5% 1/4W -450ppm/C to 350ppm/C Conformal AXL Thru-Hole T/R Res Carbon Film 1.5K Ohm 5% 0.25W(1/4W) -450ppm/�C to 350ppm/�C Conformal AXL T/R Res Carbon Film 22 Ohm 5% 0.25W(1/4W) -450ppm/�C to 350ppm/�C Conformal AXL T/R Res Carbon Film 47 Ohm 5% 0.25W(1/4W) -450ppm/C to 350ppm/C Conformal AXL T/R Res Carbon Film 51 Ohm 5% 0.25W(1/4W) -450ppm/�C to 350ppm/�C Conformal AXL T/R Res Carbon Film 510 Ohm 5% 1/4W -450ppm/C to 350ppm/C Conformal AXL Thru-Hole T/R Res Carbon Film 68K Ohm 5% 0.25W(1/4W) -450ppm/�C to 350ppm/�C Conformal AXL T/R Res Carbon Film 20 Ohm 5% 1/4W -450ppm/C to 350ppm/C Conformal AXL Thru-Hole T/R Res Carbon Film 27K Ohm 5% 1/4W -450ppm/C to 350ppm/C Conformal AXL Thru-Hole T/R CF1/4 C 271 J CF1/4 C 2R2 J CF1/4 C 560 J CF1/4 C 680 J CF1/4 C 105 J CF1/4 C 220 J CF1/4 C 272 J CF1/4 C 303 J CF1/4 C 470 J CF1/4 C 273 J CF1/4 C 395 J CF1/4 C 471 J CF1/4 C 475 J CF1/4 C 513 J CF1/4 C 563 J CF1/4 C 100 J CF1/4 C 150 J CF1/4 C 201 J CF1/4 C 223 J CF1/4 C 121 J CF1/4 C 151 J CF1/4 C 181 J CF1/4 C 4R7 J CF1/4 C 510 J Res Carbon Film 1.2K Ohm 5% 0.25W(1/4W) -450ppm/�C to 350ppm/�C Conformal AXL T/R Res Carbon Film 510 Ohm 5% 0.25W -450ppm/�C to 350ppm/�C Conformal RDL Thru-Hole Ammo Pack Res Carbon Film 13K Ohm 5% 0.25W -450ppm/�C to 350ppm/�C Conformal AXL Thru-Hole T/R Res Carbon Film 15K Ohm 5% 0.25W(1/4W) -450ppm/�C to 350ppm/�C Conformal AXL T/R Res Carbon Film 4.7K Ohm 5% 0.25W(1/4W) -450ppm/�C to 350ppm/�C Conformal AXL T/R Res Carbon Film 9.1 Ohm 5% 0.25W(1/4W) -450ppm/�C to 350ppm/�C Conformal AXL T/R Res Carbon Film 100K Ohm 5% 0.25W(1/4W) -450ppm/C to 350ppm/C Conformal AXL T/R Koa Speer Electronics	-		Not Required	5%	3000 ohm	1/4 W	Not Required mm	Not Required mm	Tape and Reel	Cylindrical	Not Required mm	Conformal	7.1 mm	Axial	Carbon Film	Not Required	-55C to 155C	-450 to 350 ppm/�C	Compliant
CF1/2 Res Carbon Film 200K Ohm 5% 1/2W -700ppm/C to 0ppm/C Conformal AXL Thru-Hole T/R Res Carbon Film 47K Ohm 5% 0.5W(1/2W) -450ppm/C to 350ppm/C Conformal AXL T/R Res Carbon Film 3.3K Ohm 5% 0.5W(1/2W) -450ppm/C to 350ppm/C Conformal AXL T/R Res Carbon Film 180K Ohm 5% 0.5W(1/2W) -700ppm/C to 0ppm/C Conformal AXL T/R Res Carbon Film 39 Ohm 5% 0.5W(1/2W) -450ppm/C to 350ppm/C Conformal AXL T/R Res Carbon Film 2.2K Ohm 5% 0.5W(1/2W) -450ppm/C to 350ppm/C Conformal AXL T/R Res Carbon Film 5.6 Ohm 5% 0.5W(1/2W) -450ppm/C to 350ppm/C Conformal AXL T/R Res Carbon Film 4.7K Ohm 5% 0.5W(1/2W) -450ppm/C to 350ppm/C Conformal AXL T/R CF1/2 C 113 J Koa Speer Electronics	-		Not Required	5%	200000 ohm	1/2 W	Not Required mm	Not Required mm	Tape and Reel	Cylindrical	Not Required mm	Conformal	9.5 mm	Axial	Carbon Film	Not Required	-55C to 155C	-700 to 0 ppm/�C	Compliant
CFS1/2 CFS1/2 C 472 J Res Carbon Film 470 Ohm 5% 1/2W -450ppm/�C to 350ppm/�C Conformal AXL Thru-Hole Ammo Pack CFS1/2 C 224 J Res Carbon Film 330 Ohm 5% 1/2W -450ppm/C to 350ppm/C Conformal AXL Thru-Hole T/R Res Carbon Film 360 Ohm 5% 0.5W -450ppm/�C to 350ppm/�C Conformal AXL Thru-Hole T/R Res Carbon Film 1M Ohm 5% 1/2W -700ppm/C to 0ppm/C Conformal AXL Thru-Hole T/R Koa Speer Electronics	-		Not Required	5%	470 ohm	1/2 W	Not Required mm	Not Required mm	Ammo	Cylindrical	Not Required mm	Conformal	7.1 mm	Axial	Carbon Film	Not Required	-55C to 155C	-450 to 350 ppm/�C	-
CFS1/4 CFS1/4 C 100 J CFS1/4 C 121 J CFS1/4 C 151 J CFS1/4 C 202 J CFS1/4 C 222 J CFS1/4 C 302 J CFS1/4 C 330 J CFS1/4 C 471 J Res Carbon Film 27K Ohm 5% 0.25W(1/4W) -450ppm/�C to 350ppm/�C Conformal AXL CFS1/4 C 102 J CFS1/4 C 122 J CFS1/4 C 182 J CFS1/4 C 223 J CFS1/4 C 331 J CFS1/4 C 5R6 J CFS1/4 C 821 J Res Carbon Film 27K Ohm 5% 0.25W(1/4W) -450ppm/C to 350ppm/C Conformal AXL CFS1/4 C 183 J CFS1/4 C 204 J CFS1/4 C 332 J CFS1/4 C 4R7 J CFS1/4 C 822 J CFS1/4 C 105 J CFS1/4 C 154 J CFS1/4 C 184 J CFS1/4 C 200 J CFS1/4 C 511 J CFS1/4 C 682 J CFS1/4 C 823 J CFS1/4 C 301 J CFS1/4 C 334 J CFS1/4 C 470 J CFS1/4 C 512 J Res Carbon Film 100K Ohm 5% 0.25W(1/4W) -700ppm/?C to 0ppm/?C Conformal AXL T/R Res Carbon Film 120K Ohm 5% 0.25W -1000ppm/�C to 0ppm/�C Conformal AXL Thru-Hole T/R Res Carbon Film 4.7M Ohm 5% 0.25W(1/4W) Conformal AXL T/R Res Carbon Film 2.7M Ohm 5% 0.25W(1/4W) Conformal AXL T/R Res Carbon Film 330K Ohm 5% 1/4W -1000ppm/C to 0ppm/C Conformal AXL Thru-Hole T/R Res Carbon Film 1.8M Ohm 5% 0.25W(1/4W) Conformal AXL T/R Res Carbon Film 270K Ohm 5% 1/4W -1000ppm/C to 0ppm/C Conformal AXL Thru-Hole T/R Koa Speer Electronics	-		Not Required	5%	27000 ohm	1/4 W	Not Required mm	Not Required mm	Bulk	Cylindrical	Not Required mm	Conformal	4.2 mm	Axial	Carbon Film	Not Required	-55C to 155C	-450 to 350 ppm/�C	-

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