4N35 The 4N35 is a phototransistor output optocoupler from On Semiconductor, offering 3550Vrms isolation and a minimum CTR of 100%. It is available in a DIP-6 package.
Mfr Part #:

4N35

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
The 4N35 is a phototransistor output optocoupler from On Semiconductor, offering 3550Vrms isolation and a minimum CTR of 100%. It is available in a DIP-6 package.
✓ Total Stock: 8,824 pcs
$ Price Range: $0.99

4N35 Available from 4 distributors

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5,450 pcs
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1,000 pcs
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99 pcs
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4N35 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
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Response Time

4N35 Description

Short technical summary and product information.

The 4N35 is a phototransistor output optocoupler manufactured by On Semiconductor. It provides a high input-output isolation voltage of 3550Vrms and a minimum current transfer ratio (CTR) of 100% at 10mA forward current.

 

Key electrical characteristics include a typical response time of 3 μs, a maximum collector current of 100mA, and a maximum power dissipation of 700mW on the phototransistor side. The device operates within a temperature range of -55°C to +100°C.

 

Designed for applications such as power supply regulators, digital logic inputs, and microprocessor inputs, the 4N35 is housed in a standard DIP-6 package suitable for through-hole mounting. It features creepage and clearance distances of 7.0mm minimum, ensuring safe electrical isolation.

 

Safety approvals include UL, CSA, FIMKO, VDE, BSI, and CQC, indicating its suitability for various industrial and consumer electronics applications.

4N35 Quick Information

Product Type: Optocoupler
Canonical Name: 4N35 Photocoupler
Subcategory: Optocouplers - Triac, SCR Output

4N35 Compliance

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

4N35 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

4N35 Features

  • High input-output isolation voltage of 3550Vrms.
  • Minimum CTR of 100% at 10mA.
  • Typical response time of 3 μs.
  • DIP-6 package for through-hole mounting.
  • Suitable for power supply regulators.

4N35 Applications

  • Used in motor control circuits
  • Suitable for power supply isolation
  • Ideal for communication signal isolation
  • Applied in industrial automation systems

4N35 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the isolation voltage of the 4N35 optocoupler?

The 4N35 series offers an isolation voltage of 3,550Vrms.

What is the minimum Current Transfer Ratio (CTR) for the 4N35?

The minimum CTR is 100% at IF = 10mA and VCE = 10V.

What is the typical response time of the 4N35?

The typical response time is 3 μs at Vcc = 10V, IC = 2mA, RL = 100 Ω.

What type of package does the 4N35 use?

The 4N35 is available in a dual-in-line package (DIP-6).

What are the operating temperature limits for the 4N35?

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

4N35 Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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4N35
4N35
NXP Semiconductors
The 4N35 is an optocoupler from NXP Semiconductors, featuring a DIP-6 package and high input-output isolation voltage of 3550Vrms. It is suitable for applications like power supply regulators and microprocessor inputs.
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