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Product Detailed Parameters
- Description：OPTOISOLTR 15KV OPEN COLLECTOR
- Series：-
- Mfr：TT Electronics/Optek Technology
- Package：Bulk,Bulk
- Number of Channels：1
- Inputs - Side 1/Side 2：1/0
- Voltage - Isolation：15000VDC
- Common Mode Transient Immunity (Min)：-
- Input Type：DC
- Output Type：Open Collector
- Current - Output / Channel：-
- Data Rate：250kbps
- Propagation Delay tpLH / tpHL (Max)：5µs, 5µs (Typ)
- Rise / Fall Time (Typ)：100ns, 100ns
- Voltage - Forward (Vf) (Typ)：1.5V (Max)
- Current - DC Forward (If) (Max)：25mA
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The OPI128 is a high-speed, single-channel optically coupled isolator manufactured by TT Electronics/Optek Technology. It features an open-collector NPN phototransistor output and is designed for through-hole mounting. The device provides a high isolation voltage of 15000 Vrms between input and output circuits. It operates within a temperature range of -55°C to +100°C and supports a supply voltage of 4.5V to 5.5V. The component is RoHS compliant and packaged in bulk.
Feature Summary
- High-speed optical isolation capability
- Open-collector NPN phototransistor output configuration
- Extended operating temperature range suitable for demanding environments
Applications
- Industrial control systems requiring signal isolation
- High-reliability aerospace and defense applications
- General-purpose digital logic interface circuits
Procurement Notes
Verify the specific datasheet version for the OPI128 to confirm exact electrical characteristics and mechanical dimensions. Ensure that the procurement source is an authorized distributor to guarantee component authenticity and traceability. Check for any specific handling or storage requirements indicated in the official documentation before integration into production lines.
Selection Notes
Select the OPI128 when high-speed signal transmission with robust electrical isolation is required. Its wide operating temperature range makes it suitable for harsh industrial or aerospace environments. Consider the open-collector output topology for compatibility with standard logic families. Verify that the through-hole package format aligns with the target PCB design constraints.
Part Context
The OPI128 belongs to the Photologic series of optocouplers from TT Electronics/Optek Technology. This product line focuses on high-reliability components designed for critical applications in industrial, medical, and aerospace sectors. The series emphasizes performance under extreme conditions and includes various screening options to meet military specifications.
Replacement Considerations
Consult the official datasheet for the OPI125, OPI126, and OPI128 family to identify potential functional substitutes. Verify pinout compatibility and electrical parameter equivalence before substituting.
