WK73S2ATTDR309F

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KOA Speer Electronics, Inc.

RES 309M OHM 1% 1W 0805

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WK73S2ATTDR309F

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KOA Speer Electronics, Inc.

RES 309M OHM 1% 1W 0805

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	WK73S2ATTDR309F

Composition	Thick Film
Features	Automotive AEC-Q200, Moisture Resistant
Height - Seated (Max) [Max]	0.026 in
Height - Seated (Max) [Max]	0.65 mm
Number of Terminations	2
Operating Temperature [Max]	155 °C
Operating Temperature [Min]	-55 °C
Package / Case	Wide 0805 (2012 Metric), 0508
Power (Watts)	1 W
Ratings	AEC-Q200
Resistance	309 mOhms
Size / Dimension [x]	1.25 mm
Size / Dimension [x]	0.049 in
Size / Dimension [y]	0.079 in
Size / Dimension [y]	2 mm
Supplier Device Package	0508
Temperature Coefficient [Max]	200 ppm/°C
Temperature Coefficient [Min]	0 ppm/°C
Tolerance	1 %

WK73S2A Series

...

Part	Resistance	Power (Watts)	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Features	Operating Temperature [Max]	Operating Temperature [Min]	Height - Seated (Max) [Max]	Height - Seated (Max) [Max]	Temperature Coefficient	Composition	Supplier Device Package	Tolerance	Ratings	Package / Case	Number of Terminations	Temperature Coefficient [Min]	Temperature Coefficient [Max]
KOA Speer Electronics, Inc. WK73S2ATTD2R67F	2.67 Ohms	1 W	1.25 mm	0.079 in	2 mm	0.049 in	Automotive AEC-Q200 Moisture Resistant	155 °C	-55 °C	0.026 in	0.65 mm	100 ppm/°C	Thick Film	0508	1 %	AEC-Q200	0508 Wide 0805 (2012 Metric)	2
KOA Speer Electronics, Inc. WK73S2ATTDR383F	383 mOhms	1 W	1.25 mm	0.079 in	2 mm	0.049 in	Automotive AEC-Q200 Moisture Resistant	155 °C	-55 °C	0.026 in	0.65 mm		Thick Film	0508	1 %	AEC-Q200	0508 Wide 0805 (2012 Metric)	2	0 ppm/°C	200 ppm/°C
KOA Speer Electronics, Inc. WK73S2ATTD8R06F	8.06 Ohms	1 W	1.25 mm	0.079 in	2 mm	0.049 in	Automotive AEC-Q200 Moisture Resistant	155 °C	-55 °C	0.026 in	0.65 mm	100 ppm/°C	Thick Film	0508	1 %	AEC-Q200	0508 Wide 0805 (2012 Metric)	2
KOA Speer Electronics, Inc. WK73S2ATTDR309F	309 mOhms	1 W	1.25 mm	0.079 in	2 mm	0.049 in	Automotive AEC-Q200 Moisture Resistant	155 °C	-55 °C	0.026 in	0.65 mm		Thick Film	0508	1 %	AEC-Q200	0508 Wide 0805 (2012 Metric)	2	0 ppm/°C	200 ppm/°C
KOA Speer Electronics, Inc. WK73S2ATTDR174F	174 mOhms	1 W	1.25 mm	0.079 in	2 mm	0.049 in	Automotive AEC-Q200 Moisture Resistant	155 °C	-55 °C	0.026 in	0.65 mm		Thick Film	0508	1 %	AEC-Q200	0508 Wide 0805 (2012 Metric)	2	0 ppm/°C	200 ppm/°C
KOA Speer Electronics, Inc. WK73S2ATTD8R20F		1 W	1.25 mm	0.079 in	2 mm	0.049 in	Automotive AEC-Q200 Moisture Resistant	155 °C	-55 °C	0.026 in	0.65 mm	100 ppm/°C	Thick Film	0508	1 %	AEC-Q200	0508 Wide 0805 (2012 Metric)	2
KOA Speer Electronics, Inc. WK73S2ATTD4R32F	4.32 Ohms	1 W	1.25 mm	0.079 in	2 mm	0.049 in	Automotive AEC-Q200 Moisture Resistant	155 °C	-55 °C	0.026 in	0.65 mm	100 ppm/°C	Thick Film	0508	1 %	AEC-Q200	0508 Wide 0805 (2012 Metric)	2
KOA Speer Electronics, Inc. WK73S2ATTD3R48F	3.48 Ohms	1 W	1.25 mm	0.079 in	2 mm	0.049 in	Automotive AEC-Q200 Moisture Resistant	155 °C	-55 °C	0.026 in	0.65 mm	100 ppm/°C	Thick Film	0508	1 %	AEC-Q200	0508 Wide 0805 (2012 Metric)	2
KOA Speer Electronics, Inc. WK73S2ATTD5R10F	5.1 Ohms	1 W	1.25 mm	0.079 in	2 mm	0.049 in	Automotive AEC-Q200 Moisture Resistant	155 °C	-55 °C	0.026 in	0.65 mm	100 ppm/°C	Thick Film	0508	1 %	AEC-Q200	0508 Wide 0805 (2012 Metric)	2
KOA Speer Electronics, Inc. WK73S2ATTDR576F	576 mOhms	1 W	1.25 mm	0.079 in	2 mm	0.049 in	Automotive AEC-Q200 Moisture Resistant	155 °C	-55 °C	0.026 in	0.65 mm		Thick Film	0508	1 %	AEC-Q200	0508 Wide 0805 (2012 Metric)	2	0 ppm/°C	200 ppm/°C

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tape & Reel (TR)	5000	$ 0.07

Description

General part information

WK73S2A Series

309 mOhms ±1% 1W Chip Resistor Wide 0805 (2012 Metric), 0508 Automotive AEC-Q200, Moisture Resistant Thick Film

Documents

Technical documentation and resources