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Product Detailed Parameters
- Description：OPTOISO 4.17KV DARL W/BASE 6-SMD
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：4170Vrms
- Current Transfer Ratio (Min)：100% @ 10mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：5µs, 40µs (Max)
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Darlington with Base
- Voltage - Output (Max)：30V
- Current - Output / Channel：150mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：80 mA
- Vce Saturation (Max)：1V
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：6-SMD
- Grade：-
- Qualification：-
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Overview
The 4N29SR2M is a single-channel transistor output optocoupler manufactured by onsemi. It features an infrared LED coupled to a photodarlington with base output, housed in a 6-SMD surface mount package. Key electrical parameters include a maximum collector-emitter voltage of 30 V and a peak collector current of 150 mA. The device supports a forward current of up to 80 mA with a typical forward voltage of 1.2 V. Isolation capability reaches 4170 Vrms. Operating temperature ranges from -40°C to +100°C, with a power dissipation rating of 250 mW.
Feature Summary
- Integrates an infrared emitting diode with a silicon photodarlington for high-gain signal transmission
- Provides electrical isolation between input and output circuits via optical coupling
- Includes a base terminal on the photodarlington to facilitate faster switching response times
Applications
- Signal isolation in industrial control systems
- Interface circuits for microprocessors and logic systems
- Output isolation in solid-state relays
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific packaging variants such as tape and reel quantities. Check for recent production change notices that may affect pinout or material composition. Ensure storage conditions meet moisture sensitivity level requirements prior to assembly.
Selection Notes
Select this component when surface mount integration is required for standard photodarlington applications. Consider the 4170 Vrms isolation rating for safety-critical interfaces. Evaluate the trade-off between higher gain and slower switching speed inherent to darlington outputs compared to standard phototransistors. Verify thermal management capabilities within the specified operating temperature range.
Part Context
This part belongs to the 4N29 family of general-purpose optocouplers produced by onsemi. It serves as the surface mount equivalent to through-hole variants like the 4N29M. The series is widely recognized for basic isolation tasks in consumer and industrial electronics, offering a balance of performance and cost-effectiveness for standard digital signal transfer.
Replacement Considerations
Direct substitutes include the 4N29M (through-hole) and H11B1M (surface mount). Verify pin compatibility and isolation voltage ratings before substitution.
