Debt (Tables)

9 Months Ended

Oct. 01, 2023

Components of Convertible Senior Notes

The tables below represent the key components of Teradyne’s convertible senior notes:

	October 1, 2023		December 31, 2022
	(in thousands)
Debt principal	$	23,529	$	50,228
Unamortized debt issuance fees		—		113
Net Carrying amount of convertible debt	$	23,529	$	50,115

Teradyne’s convertible senior notes were reported as current debt at October 1, 2023 and December 31, 2022.

The interest expense on Teradyne’s convertible senior notes for the three and nine months ended October 1, 2023 and October 2, 2022 was as follows:

	For the Three Months  Ended				For the Nine Months  Ended
	October 1, 2023		October 2, 2022		October 1, 2023		October 2, 2022
	(in thousands)				(in thousands)
Contractual interest expense on the coupon	$	74	$	159	$	312	$	592
Amortization of debt issuance fees recognized as interest expense		—		43		113		173
Total interest expense on the convertible debt	$	74	$	202	$	425	$	765