ISP521-1X

$0.38

Description：OPTOISOLTR 5.3KV 1CH TRANS 4-DIP
Series：ISP521-1
Mfr：Isocom Components 2004 LTD
Package：Tube

SKU:05917eb6c7db Category: Transistor, Photovoltaic Output Optoisolators Brand: Isocom Components 2004 LTD

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Product introduction

ISP521-1X is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Isocom Components 2004 LTD. Its product description is OPTOISOLTR 5.3KV 1CH TRANS 4-DIP. Review the specifications below when checking this part for your BOM.

Transistor, Photovoltaic Output Optoisolators specifications for ISP521-1X

Description：OPTOISOLTR 5.3KV 1CH TRANS 4-DIP
Series：ISP521-1
Mfr：Isocom Components 2004 LTD
Package：Tube
Number of Channels：1
Voltage - Isolation：5300Vrms
Current Transfer Ratio (Min)：50% @ 5mA
Current Transfer Ratio (Max)：600% @ 5mA
Turn On / Turn Off Time (Typ)：-
Rise / Fall Time (Typ)：4µs, 3µs
Input Type：DC
Output Type：Transistor
Voltage - Output (Max)：55V
Current - Output / Channel：50mA
Voltage - Forward (Vf) (Typ)：1.15V
Current - DC Forward (If) (Max)：50 mA
Vce Saturation (Max)：400mV
Operating Temperature：-30°C ~ 100°C
Mounting Type：Through Hole
Package / Case：4-DIP (0.300", 7.62mm)
Supplier Device Package：4-DIP
Grade：-
Qualification：-

Transistor, Photovoltaic Output Optoisolators datasheet and documents for ISP521-1X

ISP521-1X

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-1X is a single-channel phototransistor optocoupler manufactured by Isocom Components. It integrates an infrared emitting diode with an NPN silicon phototransistor in a compact DIP package. The device provides electrical isolation between input and output circuits, featuring a maximum forward voltage of 1.3V and a typical current transfer ratio of 6%. It operates within a temperature range of -30°C to 100°C and supports a maximum input current of 50mA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

Integrates an infrared LED and NPN phototransistor for signal isolation
Designed for high-density mounting applications
Provides reliable galvanic isolation between control and load circuits

Transistor, Photovoltaic Output Optoisolators Applications

Logic-to-logic isolation in noisy environments
Industrial control systems
Power supply feedback loops
Computer peripheral interfaces

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation against official Isocom documentation to confirm pinout compatibility and electrical tolerances. Ensure the selected variant meets the required insulation voltage and operating temperature range for the target application environment before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a standard phototransistor output isolator is required for general-purpose digital signaling. Consider the current transfer ratio limits and switching speed characteristics relative to the driving circuit capabilities. Evaluate package constraints to ensure physical fit within the designated PCB layout area.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISP521-1X belongs to the TLP521 series family, representing a standard industry replacement for discontinued or obsolete optocouplers. Isocom Components positions these devices as direct substitutes for common commercial isolators, maintaining consistent form factors while offering flexible parameter selection for specific design needs.