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Product Detailed Parameters
- Description：OPTOISO 1.5KV POWER MOSFET 8DIP
- Series：-
- Mfr：Broadcom Limited
- Package：Tube
- Type：Power MOSFET
- Number of Channels：1
- Voltage - Isolation：1500VDC
- Common Mode Transient Immunity (Min)：-
- Input Type：DC
- Current - Output / Channel：1.6A
- Propagation Delay tpLH / tpHL (Max)：6ms, 0.25ms
- Rise / Fall Time (Typ)：-
- Current - DC Forward (If) (Max)：20 mA
- Voltage - Supply：-
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-DIP
- Approval Agency：-
- Voltage - Forward (Vf) (Typ)：1.24 V
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Overview
The HSSR-7112 is a high-reliability, single-channel hermetically sealed power MOSFET optocoupler manufactured by Broadcom Limited. It utilizes an 8-pin DIP ceramic package with gold-plated leads, designed for Class H applications. The device features a propagation delay of 6ms (tpLH) and 0.25ms (tpHL). It provides an isolation voltage of 1500VDC and supports a DC forward current of up to 20mA with a typical forward voltage of 1.24V. The output channel can handle a continuous current of 1.6A. Operating temperature ranges from -55°C to +125°C.
Feature Summary
- Hermetically sealed construction in a ceramic 8-DIP package ensures durability in harsh environments.
- Integrates an AlGaAs LED with a photodiode stack to drive dual discrete power MOSFETs.
- Provides robust signal isolation with 1500VDC isolation voltage rating.
Applications
- Military and aerospace systems requiring high reliability
- Standard 28Vdc and 48Vdc load driving
- Flight control systems
- Replacement for AC/DC electromechanical and solid-state relays
Procurement Notes
Verify the specific suffix (e.g., -600, -300) against the datasheet to confirm package type, as standard part numbers may denote different physical configurations. Confirm MIL-PRF-38534 Class H compliance if required for mission-critical procurement. Ensure lead integrity matches the specified gold-plated DIP or SMD variant.
Selection Notes
Select this component for applications demanding hermetic sealing and high-voltage isolation in extreme temperatures. Consider the 1.6A DC output capability and low on-resistance variants when designing load switching circuits. Verify thermal management requirements within the -55°C to +125°C operating range.
Part Context
This device belongs to the HSSR series of high-speed, high-reliability optocouplers. It is distinct from commercial-grade optoisolators due to its hermetic ceramic packaging and adherence to military specifications. The series includes various pinout and package variations tailored for space-constrained and high-stress environments.
Replacement Considerations
Direct replacements must match the 8-DIP hermetic form factor and 1500VDC isolation. Verify that substitute parts meet MIL-PRF-38534 Class H standards if environmental sealing is critical. Check compatibility with existing PCB footprints for DIP-8 packages.
