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Product Detailed Parameters
- Description：OPTOISO 3.75KV TRANS 5-MINI-FLAT
- Series：Optocoupler
- Mfr：QT Brightek (QTB)
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：20% @ 16mA
- Current Transfer Ratio (Max)：50% @ 16mA
- Turn On / Turn Off Time (Typ)：350ns, 300ns
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：20V
- Current - Output / Channel：8mA
- Voltage - Forward (Vf) (Typ)：1.45V
- Current - DC Forward (If) (Max)：25 mA
- Vce Saturation (Max)：-
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SOIC (0.173", 4.40mm Width), 5 Leads
- Supplier Device Package：5-Mini-Flat
- Grade：-
- Qualification：-
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Overview
The QTM453T1 is a photovoltaic output optoisolator manufactured by QT Brightek. It features a Mini-Flat package and supports data rates up to 1 Mbit/s. Key electrical parameters include an isolation voltage of 3750Vrms, a typical forward voltage (Vf) of 1.45V, and a channel output current of 8mA. The device operates within a temperature range of -55°C to 100°C. Typical switching times are 350ns for turn-on and 300ns for turn-off.
Feature Summary
- Photovoltaic output architecture for galvanic isolation
- Mini-Flat package design for compact integration
- High-speed data transmission capability up to 1 Mbit/s
Applications
- Digital signal isolation in industrial control systems
- Microcontroller interface protection
- Power supply feedback loops
Procurement Notes
Verify the manufacturer part number QTM453T1 against official QT Brightek documentation to ensure authenticity. Confirm that the received components match the specified Mini-Flat package and electrical ratings. Check for any specific handling requirements related to electrostatic discharge during storage and installation.
Selection Notes
Select this component when high-speed digital isolation is required with a photovoltaic output type. Ensure the application environment falls within the -55°C to 100°C operating temperature range. Verify that the 3750Vrms isolation voltage meets the safety requirements of the circuit design.
Part Context
This component belongs to the family of transistor and photovoltaic output optoisolators from QT Brightek. It shares similar packaging and functional categories with other models like the QTM452T1, which also utilizes the Mini-Flat package but may differ in specific electrical characteristics or speed ratings.
Replacement Considerations
Consult official substitution lists for verified equivalents. Cross-reference specifications such as isolation voltage, output current, and package dimensions before replacing.
