4N40S [Onsemi]

Name: 4N40S
Brand: Onsemi
SKU: 4N40S
Availability: InStock

Part No:

4N40S

Category:

Optical Switches

Manufacturer:

Onsemi

Description:

The 4N39 and 4N40 have a gallium-arsenide infrared emitting diode optically coupled with a light activated silicon controlled rectifier in a dual in-line package.

Datasheet:

Stock Status:

Available for RFQ

Pricing:

Request Volume Pricing

Quote Response:

Within 24 Hours

Shipping:

In-stock parts ship in 1–2 business days

Specification

Type

Parameter

Isolation Voltage

5300 Vac(rms)

Isolation Resistance

10^11Ω

Turn On Time

50 µs

Input Capacitance

50pF

Isolation Capacitance

0.8pF

Lead Solder Temperature

260°C for 10 sec

Input Forward Voltage

1.5V max

Operating Temperature

-55°C ~ +100°C

Storage Temperature

-55°C ~ +150°C

4N39 Off State Current

50µA

4N39 Off State Voltage

200V

4N39 Reverse Current

50µA

4N39 Trigger Current

30mA

4N40 Off State Current

150µA

4N40 Off State Voltage

400V

4N40 Reverse Current

150µA

4N40 Trigger Current

14mA

Coupled Dv Dt

500V/µs

Detector Derate

8.0mW/°C

Detector Power Dissipation

400mW

Direct On State Current

300mA

Emitter Continuous Forward Current

60mA

Emitter Derate

2.0mW/°C

Emitter Peak Forward Current

1.0A

Emitter Power Dissipation

100mW

Emitter Reverse Voltage

6V

Holding Current

1.0mA

Input Reverse Leakage Current

10µA

On State Voltage

1.3V

Package Capacitance

2pF

Peak Gate Current

10mA

Peak Reverse Gate Voltage

6V

Surge On State Current

10A

Total Device Derate

9.0mW/°C

Total Device Power Dissipation

450mW

Products Detail

These are photo SCR optocouplers designed for high-voltage isolation applications. They feature a GaAs IR LED coupled to a silicon controlled rectifier (SCR) output. Key capabilities include functioning as a 10A solid-state relay compatible with T2L logic, a 25W logic indicator lamp driver, and a 400V symmetrical transistor coupler. They provide 5300Vrms input-output isolation voltage and are UL recognized.

Key Features

10A T2L compatible solid state relay
25W logic indicator lamp driver
400V symmetrical transistor coupler
Underwriters Laboratory (UL) recognized
High surge capability
Non-reactive input characteristics
5300Vrms isolation voltage

Application scenarios

Low power logic circuits
telecommunications equipment
portable electronics
solid state relays
interfacing coupling systems of different potentials and impedances

Documents

Datasheets:

4N39, 4N40

Product FAQ

1. Is 4N40S available for RFQ?

Yes. 4N40S by Onsemi is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

2. Why is there no fixed price for 4N40S?

Pricing for 4N40S can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

3. What are the key specifications of 4N40S?

4N40S is a Onsemi Optical Switches with Emitter Continuous Forward Current: 60mA and Total Device Power Dissipation: 450mW. Review the product details or submit an RFQ if you need confirmation before purchase.

4. How fast can I get a quote for 4N40S?

Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

5. How soon can 4N40S be shipped?

If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

6. Can you suggest alternatives to 4N40S?

Yes. If 4N40S is unavailable, obsolete, or does not meet your required lead time, we can help check similar Onsemi Optical Switches parts or compatible alternatives.

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