Announcements Notice of Discontinuation of TO-66 Production

Dear Valued Customer,
We hope this message finds you well and that your business continues to prosper. We sincerely appreciate your continued support of our TO-66 products.
Due to the discontinuation of supply for key components used in the TO-66 products, we have thoroughly evaluated alternative components. However, we have concluded that it is not possible to secure replacements that meet our quality and performance standards. Therefore, we have decided to discontinue the production of TO-66 series products.
We apologize for any inconvenience this may cause and kindly ask for your understanding.

Details

1.    Discontinued Products

TO-66 products
Models starting with "L" and containing "-66-" in the product name,
e.g., L850D-66-60, L850D-66-16100
*Please refer to the attached document for the detailed list of discontinued products.
 

2.    Reason for Discontinuation

Discontinuation of key component production.
 

3.    Discontinuation Schedule

•    Final order acceptance deadline: End of March 2026
•    Scheduled delivery for final orders: End of September 2026
 

4.    Alternative Products

There are no direct alternatives for the TO-66 product line.
However, surface-mount products with the same wavelength range are available.
Please contact us for further information.
 

【List of Affected Products】

Optional items such as lenses or heat sinks (product names with suffixes -130, -550, or -HS added to the standard product name) are also included.
Custom products not listed here are also subject to discontinuation in the same manner as the listed models.
 

UV	VIS	NIR	SWIR
L365-66-60	L415-66-60	L720-66-60	L1050-66-60
L365-66-60-110	L420-66-60	L735-66-60	L1050D-66-60
L365V-66-16100-110	L430-66-60	L740-66-60	L1050GD-66-16100
L375-66-60	L435V-66-16100	L740D-66-16100	L1050GD-66-60
L375V-66-16100-110	L450-66-60	L750-66-60	L1050S-66-60
L385-66-60	L470-66-16100	L750D-66-16100	L1070-66-16100
L385V-66-16100-110	L470-66-60	L760-66-60	L1070-66-60
L395-66-60	L470V-66-16100	L760D-66-16100	L1070D-66-60
L395-66-60-110	L505-66-60	L760D-66-60	L1100D-66-16100
L405-66-60	L525-66-60	L780-66-16100	L1150D-66-16100
	L545-66-60	L780-66-60	L1200-66-16100
	L565-66-60	L780D-66-16100	L1200-66-60
	L570-66-60	L800-66-60	L1200D-66-16100
	L590-66-60	L810-66-60	L1200D-66-60
	L590D-66-16100	L810D-66-16100	L1200S-66-16100
	L620-66-60	L810D-66-60	L1200S-66-60
	L630-66-60	L810N-66-60	L1300-66-60
	L640-66-60	L830-66-60	L1300D-66-16100
	L645-66-60	L850-66-60	L1300D-66-60
	L660N-66-16100	L850D-66-16100	L1300S-66-16100
	L660N-66-60	L850D-66-60	L1300S-66-60
	L670-66-60	L870-66-16100	L1450-66-60
	L670D-66-60	L870-66-60	L1450D-66-16100
	L680-66-60	L870-66-75	L1450D-66-60
	L680D-66-16100	L880-66-60	L1450S-66-16100
	L680D-66-60	L890-66-60	L1450S-66-60
	L690-66-60	L910-66-60	L1550-66-60
	L690D-66-16100	L940-66-60	L1550D-66-16100
	L690D-66-60	L940D-66-16100	L1550D-66-60
	L690D-66-60	L940DS-66-16100	L1550S-66-16100
	L700-66-16100	L970-66-60	L1550S-66-60
	L700-66-60	L980D-66-16100	L1600-66-60
		L980D-66-60	L1650D-66-16100
			L1650D-66-60