Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders' Equity [Abstract]

Shares of common stock reserved for future issuance

At December 31, 2020, the Company had reserved shares of common stock for future issuance as follows:

Restricted stock units outstanding	793,000
Phantom stock units outstanding	198,000
2007 Stock Incentive Program - available to grant	2,307,000
Convertible senior debentures, due 2040*	27,600
Convertible senior notes, due 2025*	19,060,723
Conversion of Class B common stock	12,097,148
	34,483,471

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*At December 31, 2020, the convertible senior debentures due 2040 are convertible into 24,544 shares of Vishay common stock.  Based on the effective conversion rate at December 31, 2020, the convertible senior notes due 2025 would be convertible into 14,836,842 shares of Vishay common stock.  The Company has reserved adequate shares to ensure it could issue the maximum amount of shares to be delivered upon a make-whole fundamental change as defined in the indentures governing the convertible debt instruments.