Flat chip resistors KOA WK73R3ATTE180J wide terminal type with thick film ceramic substrate technology

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Product Description

Product Overview

The WK73R series are wide terminal type flat chip resistors featuring high reliability and performance. They are suitable for both reflow and flow solderings and meet EU-RoHS requirements. These resistors are designed for applications such as power supply circuits and ECUs, particularly in automotive and industrial equipment.

Product Attributes

Brand: KOA
Product Type: Flat Chip Resistors (Wide Terminal Type)
Coating Color: Black
Certifications: EU-RoHS compliant, AEC-Q200 qualified
Materials: Thick Film, Ceramic substrate, Ni plating, Sn plating (lead-free terminals)

Technical Specifications

Type	Power Rating	Resistance Range ()	Resistance Tolerance	T.C.R. (106/K)	Max. Working Voltage	Max. Overload Voltage	Taping & Q'ty/Reel (pcs)	Rated Ambient Temp.	Rated Terminal Part Temp.
WK73R1E	0.33W*1	101M	D:0.5%, F:1%, J:5%	100	75V	100V	TP: 10,000	-	125
WK73R1J	0.5W*1	101M	D:0.5%, F:1%, J:5%	100	150V	200V	TD: 5,000	-	125
WK73R2A	0.75W*1	20.5k1M (D:0.5%), 22k1M (F:1%)	D:0.5%, F:1%, J:5%	100	200V	400V	TD: 5,000	-	125
WK73R2A	1W*1	1020k	D:0.5%, F:1%, J:5%	100	-	-	TD: 5,000	-	125
WK73R2B	0.75W	101M	D:0.5%, F:1%, J:5%	100	-	-	TE: 5,000	70	125
WK73R2B	1W*1	109.76k (D:0.5%), 109.1k (F:1%)	D:0.5%, F:1%, J:5%	100	-	-	TE: 5,000	-	115
WK73R2H	1W	10430k	D:0.5%, F:1%, J:5%	100	-	-	BK: 4,000	70	125
WK73R2H	-	432k1M (200)	200	200	-	-	BK: 4,000	70	125
WK73R2J	1W	10510k	D:0.5%, F:1%, J:5%	100	-	-	BK: 4,000	70	100
WK73R2J	-	511k1M (200)	200	200	-	-	BK: 4,000	70	100
WK73R3A	1.5W	10330k	D:0.5%, F:1%, J:5%	100	-	-	BK: 4,000	70	125
WK73R3A	-	332k1M (200)	200	200	-	-	BK: 4,000	70	125
WK73R3A	2W*1	10330k	D:0.5%, F:1%, J:5%	100	-	-	BK: 4,000	-	115
WK73R3A	-	332k1M (200)	200	200	-	-	BK: 4,000	-	115