Vishay TCDT1110(G) Data Sheet
Summary
This high-safety phototransistor optocoupler delivers crucial electrical separation for hazardous environments. Designed to meet rigorous safety standards like VDE 0884 and IEC 60950, it provides reinforced isolation against electrical shock (Safety Class II). The manual details comprehensive technical specs, including maximum ratings, creepage distances, and tested performance under various mains voltages. Ideal for electrical engineers designing sensitive equipment such as switch-mode power supplies, line receivers, computer peripherals, and microprocessor interfacing where ultra-high safety is non-negotiable.
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TCDT1110(G) Vishay Telefunken
Optocoupler with Phototransistor Output Description The TCDT1110(G) consists of a phototransistor optically coupled to a gallium arsenide infrared- emitting diode in a 6-lead plastic dual inline package. The elements are mounted on one leadframe using a coplanar technique, providing a fixed distance between input and output for highest safety requirements.
Applications Circuits for safe protective separation against electrical shock according to safety class II (reinforced isolation): For appl. class I – IV at mains voltage ≤ 300 V For appl. class I – III at mains voltage ≤ 600 V according to VDE 0884, table 2, suitable for:
Switch-mode power supplies, line receiver, computer peripheral interface, microprocessor system interface.
VDE Standards These couplers perform safety functions according to the following equipment standards: VDE 0884 Optocoupler for electrical safety requirements A (+) C (–) nc IEC 950/EN 60950 Office machines (applied for reinforced isolation for mains voltage ≤ 400 VRMS) VDE 0804 Telecommunication apparatus and data processing IEC 65 Safety for mains-operated electronic and related household apparatus
Order Instruction Ordering Code CTR Ranking Remarks TCDT1110/ TCDT1110G1) > 100% 1) G = Leadform 10.16 mm; G is not market on the body
Rev. A3, 11–Jan–99216
Page Summary Contents For Vishay TCDT1110(G) Data Sheet
Manual Details
| Brand | Vishay |
|---|---|
| Pages | 9 |
| File Size | 103.98 KB |
| Published | June 06, 2026 |
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Frequently Asked Questions
What general electrical safety applications is this device designed for?
It provides protective separation against electrical shock, suitable for mains voltages up to 300 V or 600 V depending on the application class.
What is the operational temperature range for the optocoupler?
The ambient operating temperature range is from –55°C to +100°C, and storage temperature is –55°C to +125°C.
What is the specified coupling capacitance of the device?
The typical IOWM RMS coupling capacitance (pF) is 0.3 pF.
What physical feature distinguishes the TCDT1110(G) model?
The 'G' denotes a leadform size of 10.16 mm.