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Product Detailed Parameters
- Description：OPTOISO 4.17KV TRANS W/BASE 6DIP
- Series：-
- Mfr：onsemi
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：4170Vrms
- Current Transfer Ratio (Min)：10% @ 10mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：2µs, 2µs
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor with Base
- Voltage - Output (Max)：30V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.18V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：500mV
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：6-DIP (0.300", 7.62mm)
- Supplier Device Package：6-DIP
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Overview
The onsemi 4N27VM is a single-channel transistor output optocoupler housed in a PDIP-6 package. It features an NPN phototransistor output with a collector-emitter voltage of 30 V and a maximum forward current of 60 mA. The device provides high isolation with an insulation voltage of 4170 Vrms. Key electrical parameters include a minimum current transfer ratio of 100%, a forward voltage of 1.5 V, and a power dissipation of 270 mW. It operates within a temperature range of -40°C to +100°C.
Feature Summary
- Provides galvanic isolation between input and output circuits using an infrared LED and NPN phototransistor.
- Features a built-in base terminal on the phototransistor for enhanced sensitivity and faster switching performance.
- Designed for through-hole mounting in standard DIP-6 packages for reliable PCB integration.
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops
- Microcontroller interface circuits
Procurement Notes
Verify the specific suffix 'VM' against the official datasheet to confirm it denotes the version with a built-in base resistor or specific packaging variant. Ensure the procurement documentation matches the PDIP-6 through-hole package type. Confirm RoHS compliance status as indicated in the manufacturer's latest specifications before finalizing orders.
Selection Notes
Select this component when a low-cost, general-purpose optocoupler with moderate speed and high isolation voltage is required. The built-in base feature offers improved performance over standard variants without base pins. Consider the 30 V collector-emitter voltage limit and 100% CTR minimum when designing the load circuit for adequate noise immunity.
Part Context
The 4N27VM belongs to the broader family of 4Nxx series optocouplers manufactured by onsemi. These devices are widely used in legacy and modern industrial applications where cost-effective electrical isolation is necessary. The VM suffix typically distinguishes specific manufacturing lots or packaging configurations within the standard 4N27 product line.
Replacement Considerations
Direct pin-compatible replacements include the 4N27 and 4N28 from various manufacturers. Verify that substitute parts meet the same 4170 Vrms isolation rating and 30 V collector-emitter voltage specifications to ensure circuit compatibility.
