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4N37 The Vishay Dale 4N37 is a transistor output optocoupler featuring 5000Vrms isolation voltage and a 6-pin DIP package. It is designed for through-hole mounting.
Mfr Part #:

4N37

Available from 2 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale 4N37 is a transistor output optocoupler featuring 5000Vrms isolation voltage and a 6-pin DIP package. It is designed for through-hole mounting.
✓ Total Stock: 1,822 pcs
$ Price Range: $0.99

4N37 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Chanetech ✓
Non-Authorised Inventory information
1,815 pcs
On Request
1815 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
7 pcs
On Request
7 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

4N37 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Current Transfer Ratio (Min)
Forward Current
Forward Voltage
Input Type
Mounting Type
Number of Channels
Operating Temperature
Output Type
Power Dissipation
Response Time
Reverse Voltage
Supplier Device Package
Turn On
Voltage
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4N37 Description

Short technical summary and product information.

The Vishay Dale 4N37 is an optocoupler designed for signal isolation applications. It features a high input-output isolation voltage of 5000Vrms, making it suitable for environments requiring robust electrical separation.

 

The device has a transistor output with a base connection and operates with a DC input. Key electrical characteristics include a maximum forward current of 60mA, a maximum collector current of 100mA, and a typical turn-on time of 10µs. The operating temperature range is from -55°C to 100°C.

 

Packaged in a standard 6-pin DIP (Dual In-line Package) with a 0.300" (7.62mm) pitch, the 4N37 is designed for through-hole mounting. It offers a creepage and clearance distance of 7mm minimum, contributing to its safety and isolation capabilities. The optocoupler also adheres to RoHS3 compliance and has an MSL 1 rating.

 

Applications for the 4N37 include power supply regulators, digital logic inputs, and microprocessor inputs, where reliable isolation between circuits is essential.

4N37 Quick Information

Product Type: Optocoupler
Canonical Name: 4N37 Transistor Output Optocoupler
Subcategory: Transistor Output Optocoupler

4N37 Compliance

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

4N37 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

4N37 Features

  • Offers 5000Vrms input-output isolation voltage.
  • Features a transistor output with base connection.
  • Designed for through-hole mounting in a 6-pin DIP package.
  • Operates across a wide temperature range of -55°C to 100°C.
  • Provides 100% minimum current transfer ratio at 10mA.

4N37 Applications

  • Ideal for power supply isolation circuits.
  • Suitable for digital logic input interfaces.
  • Used for microprocessor input isolation.
  • Provides isolation in telecommunication circuits.
  • Applicable for AC detector circuits.

4N37 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the isolation voltage of the 4N37 optocoupler?

The 4N37 optocoupler offers an isolation voltage of 5000Vrms.

What is the operating temperature range for the 4N37?

The 4N37 operates within a temperature range of -55°C to 100°C.

What is the minimum current transfer ratio for the 4N37?

The minimum current transfer ratio for the 4N37 is 100% at 10mA.

What package type is the 4N37 available in?

The 4N37 is available in a 6-pin DIP package.

Is the 4N37 RoHS compliant?

The 4N37 is RoHS3 Compliant.

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