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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：NEPOC
- Mfr：CEL
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：130% @ 5mA
- Current Transfer Ratio (Max)：260% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.17V
- Current - DC Forward (If) (Max)：40 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The PS2561BL-1-W-A is a single-channel transistor output optocoupler manufactured by CEL. It features a surface-mount DIP-4 gull wing package designed for high-temperature applications. The device provides electrical isolation with an insulation voltage of 5000 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and a power dissipation of 150 mW. It operates within a temperature range of -55°C to +110°C.
Feature Summary
- High-temperature BSI (BSI Couplr) design suitable for demanding thermal environments
- Single-channel configuration with NPN phototransistor output
- Surface-mount gull wing packaging for automated assembly
Applications
- Industrial control systems requiring high-temperature reliability
- Power supply feedback circuits
- Signal isolation in noisy electrical environments
Procurement Notes
Verify the manufacturer designation carefully, as this part number appears in catalogs from both CEL and Renesas Electronics due to historical lineage. Confirm the specific suffix requirements for lead-free compliance and high-temperature rating against your Bill of Materials. Ensure the sourcing channel provides authentic components matching the specified gull-wing package and isolation voltage ratings.
Selection Notes
Select this component when a surface-mount solution is required for high-voltage isolation in elevated temperature conditions. The 5000 Vrms insulation rating supports safety standards for mains-connected interfaces. Consider the 80 V collector-emitter voltage limit for low-side switching applications. Verify that the 150 mW power dissipation capability meets the thermal management requirements of the target PCB layout.
Part Context
This device belongs to the PS2561B series of transistor output optocouplers. It is functionally similar to parts produced by Renesas Electronics under the same base model number, reflecting shared architectural origins. The 'W' suffix typically denotes specific packaging or tape-and-reel configurations in some distributor listings, though official datasheets may vary in defining this exact suffix.
Replacement Considerations
PS2561BL-1-A is a documented equivalent offering identical functional specifications and pinout compatibility. PS2561DL1-1Y-V-A offers through-hole alternatives with comparable isolation characteristics.
