The TCMT1109 is a single-channel optocoupler with a phototransistor output in a SSOP-4 package, featuring a 3750 V RMS AC isolation test voltage and a typical coupling capacitance of 0.3 pF. It operates within an ambient temperature range of -40 °C to +100 °C and has a collector-emitter voltage rating of 70 V. The current transfer ratio (CTR) for this variant is specified between 200% and 400% at a forward current of 10 mA and collector-emitter voltage of 5 V. The device meets UL1577, cUL, VDE, and BSI safety standards for double protection. It is designed for applications such as programmable logic controllers, modems, and general signal isolation in industrial and communication circuits.
Optocoupler 1-CH DC-IN/OUT 70V 3.75kV SOP SMD Product overview: TCMT1109 from Vishay is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include SMD, 70V, 3.75kV. Search-friendly keywords include transistor, BJT, switching, amplification, SMD, 70V, 3.75kV, Bipolar Transistor, Transistor, Photovoltaic Output Optoisolators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 903-TCMT1109 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-TCMT1109 |
| Product Name | SMD 70V 3.75kV Bipolar Transistor |
| IC(max) | 50 milliamps |
