TCMT1109 Allicdata Electronics
Allicdata Part #:

TCMT1109TR-ND

Manufacturer Part#:

TCMT1109

Price: $ 0.00
Product Category:

Isolators

Manufacturer: Vishay Semiconductor Opto Division
Short Description: OPTOISOLATOR 3.75KV TRANS 4-SOP
More Detail: Optoisolator Transistor Output 3750Vrms 1 Channel ...
DataSheet: TCMT1109 datasheetTCMT1109 Datasheet/PDF
Quantity: 1238
Stock 1238Can Ship Immediately
Specifications
Output Type: Transistor
Supplier Device Package: 4-SOP
Package / Case: 4-SOIC (0.173", 4.40mm Width)
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 100°C
Vce Saturation (Max): 300mV
Current - DC Forward (If) (Max): 60mA
Voltage - Forward (Vf) (Typ): 1.35V
Current - Output / Channel: 50mA
Voltage - Output (Max): 70V
Series: --
Input Type: DC
Rise / Fall Time (Typ): 5.5µs, 7µs
Turn On / Turn Off Time (Typ): 9.5µs, 8.5µs
Current Transfer Ratio (Max): 400% @ 5mA
Current Transfer Ratio (Min): 200% @ 5mA
Voltage - Isolation: 3750Vrms
Number of Channels: 1
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Optoisolators are electronic components designed to isolate electrical pathways among circuits and components, created to preserve the integrity of sensitive components against high-voltage interruptions, and to allow the integration of both digital and analog signals. The TCMT1109 optoisolator, available from Toshiba, is one such component.

The TCMT1109 optoisolator is an optocoupler and is primarily used in applications calling for isolation, including communications, power supply, and industrial control applications. It combines a gallium arsenide infrared LED and a fast response photovoltaic diode, all packaged in a 4-pin, DIP integrated circuit package. The operating temperature range of the TCMT1109 is between -40˚C and +85˚C with a power dissipation of 500mW. The logic input impedance is 5kΩ at a voltage of 5V, with a forward input current of 1.0mA, and an operating current of 7mA when turned on.

The primary use of the TCMT1109 is to provide isolation between a low voltage, logic control signal and a high voltage control element. By using the optoisolator, a safe and reliable feedback loop can be created to ensure compatibility between systems, avoiding electric interference or malfunctioning. The TCMT1109 can be used to isolate input and output signals of digital circuits, or to facilitate the connection of analog circuits, such as amplifiers, and medium or high voltage signal sources.

The working principle of the TCMT1109 is similar to that of many other optoisolators. When exposed to a voltage between 5V and 12V, the LED will become illuminated, causing its anode to become negative and activating a photovoltaic diode. This diode will then allow a current to flow from an output pin, producing a negative voltage that is proportional to the input voltage. The output current is limited, however, and does not exceed 25mA when the voltage exceeds 12V.

This photovoltaic effect is also used in digital logic applications. A TCMT1109 can be used to convert between high voltage signals and logic level signals, known as level shifting. In this application, the LED will detect a logic signal from a low voltage device and will generate a high voltage output that can switch a transistor or other device with the same signal.

Other applications of the TCMT1109 optoisolator include the control of analogue signalling devices, such as relays, and the integration of digital communication protocols, like SPI and I2C. It is available in 4-pin, DIP and micro lead packages, making it suitable for a variety of applications and servicing needs.

Overall, the Toshiba TCMT1109 is a versatile optoisolator that can be used in a wide range of applications, from a basic isolation device to a level-shifting device capable of switching high-voltage circuits. With its simple operating principle and reliable performance, it is an ideal choice for isolating control signals and preventing electric interference.

The specific data is subject to PDF, and the above content is for reference

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