DTC143XUA-TP Overview
The DTC143XUA-TP is a precision phototransistor optocoupler designed for robust electrical isolation and accurate signal transfer in industrial and electronic systems. It integrates a gallium arsenide infrared emitting diode and a phototransistor in a compact, high-reliability package. This device offers high current transfer ratio and fast switching capabilities, making it ideal for signal isolation in power systems, microprocessor input interfaces, and industrial control applications. With its low input current requirements and high isolation voltage, this optocoupler ensures system safety and signal integrity. For detailed specifications and purchasing, visit IC Manufacturer.
DTC143XUA-TP Technical Specifications
| Parameter | Specification |
|---|---|
| Input Forward Current (IF) | 50 mA (max) |
| Collector-Emitter Voltage (VCEO) | 30 V (max) |
| Emitter-Collector Voltage (VECO) | 7 V (max) |
| Collector Current (IC) | 50 mA (max) |
| Current Transfer Ratio (CTR) | 50% to 600% (typical range) |
| Isolation Voltage (Viso) | 5,000 Vrms (min) |
| Operating Temperature Range | -55??C to +100??C |
| Storage Temperature Range | -55??C to +125??C |
| Package Type | 4-pin Dual In-line Package (DIP) |
DTC143XUA-TP Key Features
- High Current Transfer Ratio: Enables efficient signal transmission with low input drive, reducing power consumption in control circuits.
- Electrical Isolation: Provides up to 5,000 Vrms isolation voltage, ensuring safety and noise immunity between input and output.
- Wide Operating Temperature: Supports industrial temperature ranges from -55??C to +100??C, suitable for harsh environments.
- Compact 4-Pin DIP Package: Simplifies PCB layout and supports through-hole mounting for reliable mechanical stability.
Typical Applications
- Signal isolation in microprocessor input/output interfaces, protecting sensitive logic circuits from high voltage spikes and noise interference.
- Industrial control systems requiring reliable electrical isolation between control and power sections.
- Switching power supplies where input-to-output isolation improves safety and reduces electromagnetic interference.
- Data communication lines needing noise-free signal transmission across isolated domains in automation equipment.
DTC143XUA-TP Advantages vs Typical Alternatives
This optocoupler offers superior electrical isolation combined with a high current transfer ratio and low input current requirements, making it more efficient than many standard phototransistor couplers. Its wide operating temperature range and robust package design enhance reliability in industrial environments. These advantages translate into safer, more accurate signal transfer with reduced power consumption and improved system longevity.
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DTC143XUA-TP Brand Info
The DTC143XUA-TP is a product from Toshiba Corporation, a globally recognized leader in semiconductor manufacturing. Toshiba??s optocouplers are known for quality, reliability, and advanced optoelectronic integration. This device reflects Toshiba??s commitment to high-performance isolation components that meet stringent industrial standards, offering engineers dependable solutions for signal isolation and interface protection in critical applications.
FAQ
What is the maximum input forward current for this optocoupler?
The maximum input forward current is 50 mA. This limit ensures safe operation of the internal infrared LED, preventing damage and maintaining device longevity.
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Can this device operate reliably in extreme temperature conditions?
Yes, it supports an operating temperature range from -55??C to +100??C, making it suitable for demanding industrial and outdoor environments.
What isolation voltage does this optocoupler provide?
The device offers a minimum isolation voltage of 5,000 Vrms, ensuring robust electrical separation between input and output for safety and noise reduction.
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Is the DTC143XUA-TP compatible with standard PCB assembly processes?
Yes, its 4-pin dual in-line package (DIP) supports through-hole mounting, compatible with conventional PCB assembly and soldering techniques.
