4N37S-TA1 The Lite-On Inc. 4N37S-TA1 is a surface mount optoisolator featuring 1500Vrms isolation voltage and a transistor output. It offers a minimum current transfer ratio of 100% at 10mA.
Mfr Part #:

4N37S-TA1

Available from 2 distributors
Mfr Name: Lite-On Inc.
Lite-On Inc.
The Lite-On Inc. 4N37S-TA1 is a surface mount optoisolator featuring 1500Vrms isolation voltage and a transistor output. It offers a minimum current transfer ratio of 100% at 10mA.
Total Stock: 9,850 pcs
$ Price Range: $0.99

4N37S-TA1 Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
8,850 pcs
8850 pcs On Request 1 On Request On Request 21+ On Request On Request
Non-Authorised Inventory information
1,000 pcs
1000 pcs On Request 1 On Request On Request 06+ On Request On Request

4N37S-TA1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Current Transfer Ratio (Min)
Forward Voltage
Input Type
Mounting Type
Number of Channels
Operating Temperature
Output Current
Output Type
Rise
Supplier Device Package
Supplier Package
Tape & Reel
Vce Saturation (Max)
Voltage

4N37S-TA1 Description

Short technical summary and product information.

The Lite-On Inc. 4N37S-TA1 is an optoisolator designed for applications requiring high input-output isolation. It provides 1500Vrms of isolation voltage and features a transistor output with base connection.

 

Key electrical specifications include a minimum current transfer ratio (CTR) of 100% at 10mA, a typical forward voltage of 1.45V, and a maximum output current of 150mA. The device operates with a DC input and has a maximum collector-emitter voltage of 70V. Its saturation voltage is a maximum of 300mV.

 

This optoisolator is housed in a 6-SMD, Gull Wing package, suitable for surface mounting. It operates across a wide temperature range of -55°C to 100°C. The part is also compliant with RoHS3 standards and has an MSL rating of 1.

 

Typical applications for the 4N37S-TA1 include power supply regulators, digital logic inputs, and microprocessor inputs, where reliable signal isolation is crucial.

4N37S-TA1 Quick Information

Product Type: Optoisolator
Canonical Name: 4N37S-TA1 Optoisolator
Subcategory: Transistor Output

4N37S-TA1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

4N37S-TA1 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

4N37S-TA1 Features

  • 1500Vrms isolation voltage rating.
  • Minimum 100% current transfer ratio.
  • Surface mount 6-SMD Gull Wing package.
  • Wide operating temperature range.
  • RoHS3 compliant component.

4N37S-TA1 Applications

  • Electrical isolation in power supplies
  • Signal transfer in communication systems
  • Motor control and automation
  • Noise immunity in sensitive circuits

4N37S-TA1 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the isolation voltage of the 4N37S-TA1?

The 4N37S-TA1 offers an isolation voltage of 1500Vrms.

What is the minimum current transfer ratio for the 4N37S-TA1?

The minimum current transfer ratio is 100% at 10mA.

What is the operating temperature range for this optoisolator?

The operating temperature range is -55°C to 100°C.

What package type is the 4N37S-TA1 supplied in?

The 4N37S-TA1 is supplied in a 6-SMD, Gull Wing package.

Is the 4N37S-TA1 RoHS compliant?

Yes, the 4N37S-TA1 is RoHS3 Compliant.

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