Wide terminal flat chip resistor KOA WK73R3ATTE1003F with Pb glass exemption and ceramic substrate

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Product Description

Product Overview

The WK73R is a wide-terminal type flat chip resistor featuring reverse-geometry design for high reliability and performance. It offers a T.C.R. of 100 x 10^-6/K and resistance tolerance as tight as 0.5%. Products with lead-free terminations meet EU RoHS requirements, though Pb-glass in electrode, resistor element, and glass is exempt. The series is AEC-Q200 tested.

Product Attributes

Brand: KOA Speer Electronics, Inc.
Certifications: AEC-Q200 Tested, EU RoHS Compliant (with exemptions)
Termination Material: Solder Plating, Ni Plating
Protective Coating: Yes
Inner Electrode: Yes
Resistive Film: Yes
Ceramic Substrate: Yes

Technical Specifications

Type	Size Code	Resistance Range ()	Power Rating	Max. Working Voltage (V)	Max. Overload Voltage (V)	T.C.R. (X 10^-6/K)	Operating Temp. Range (C)	Rated Ambient Temp. (C)	Rated Terminal Part Temp. (C)	Tolerance
WK73R1E	1E (0204)	10 - 1M	0.33W	75	100	100	-55 to +155	70	115	1%, 5%
WK73R1J	1J (0306)	10 - 1M	0.5W	100	150	100	-55 to +155	70	115	1%, 5%
WK73R2A	2A (0508)	10 - 1M	0.75W, 1W	125	200	100	-55 to +155	70	125	1%, 5%
WK73R2B	2B (0612)	10 - 1M	0.75W, 1W	125	200	100, 200	-55 to +155	70	115	0.5%, 1%, 5%
WK73R2H	2H (1020)	10 - 1M	1W	150	200	100	-55 to +155	70	125	0.5%, 1%, 5%
WK73R3A	3A (1225)	1.5W, 2W	150	200	100, 200	-55 to +155	70	115	0.5%, 1%, 5%