The Thorlabs LDC400, LDC402, and TED420 controller cards are engineered to provide high-precision control of laser diodes and thermoelectric coolers. The LDC series offers low-noise current control for laser diodes, ensuring stable optical output. The TED series provides accurate temperature control using thermoelectric devices, maintaining optimal operating conditions. These cards are suitable for integration into various laser and photonics systems, offering reliable and repeatable performance.
Product Condition & Availability
Thorlabs LDC 400 , LDC 402 AND TED 420 Controller CardS Profile is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.
Thorlabs LDC 400 , LDC 402 AND TED 420 Controller CardS Profile
- Repair Support & OEM Spare Parts
- University and Research Discounts
- 100% Verified & Tested Equipment
- Rental Units Available
The Thorlabs LDC400, LDC402, and TED420 are controller cards designed for precise control of laser diodes and thermoelectric devices. These cards offer stable current and temperature control, essential for demanding photonics applications.
$1,970.00
instock
In stock

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Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.
Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.
Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.
Fast Shipping & Flexible Payments
We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.
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