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KPC357NT0B The Cosmo KPC357NT0B is a 4-pin mini-flat phototransistor optocoupler designed for high-density mounting applications. It offers 3750 Vrms isolation voltage.
Mfr Part #:

KPC357NT0B

Available from 1 distributors
Mfr Name: Cosmo
Cosmo
The Cosmo KPC357NT0B is a 4-pin mini-flat phototransistor optocoupler designed for high-density mounting applications. It offers 3750 Vrms isolation voltage.
✓ Total Stock: 17 pcs
$ Price Range: $1.87

KPC357NT0B Available from 1 distributor

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✓ Non-Authorised
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KPC357NT0B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Number of Outputs
Operating Temperature
Output Current
Peak Forward Current
Reverse Current
Storage Temperature
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KPC357NT0B Description

Short technical summary and product information.

The Cosmo KPC357NT0B is a single-channel DC-input optocoupler featuring a phototransistor output. It is housed in a compact 4-pin SOP package with a low profile of 2.0mm, making it suitable for hybrid substrates requiring high-density mounting.

 

Key electrical specifications include a maximum isolation voltage of 3750 Vrms, a collector-emitter voltage of up to 80V, and a maximum collector current of 50mA. The current transfer ratio (CTR) is a minimum of 50% at IF=5mA and Vce=5V. It operates within a wide temperature range of -55°C to +115°C.

 

This optocoupler is Pb-free and RoHS compliant. Agency approvals include UL, c-UL, VDE, FIMKO, and CQC, indicating its suitability for various international standards.

 

Applications for the KPC357NT0B include programmable controllers, DC-DC converters, and telecommunication equipment where reliable signal isolation is critical.

KPC357NT0B Quick Information

Product Type: Optoisolator
Series: KPC357NT
Canonical Name: KPC357NT0B 4-Pin Mini-Flat Phototransistor Optocoupler
Subcategory: Phototransistor Output Optocouplers

KPC357NT0B Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb free

KPC357NT0B Estimated Pricing

Qty Low High
1+ $1.87 $1.87

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

KPC357NT0B Features

  • Compact 4-pin SOP package.
  • 3750 Vrms isolation voltage.
  • Minimum CTR of 50% at 5mA.
  • Wide operating temperature range.
  • Pb-free and RoHS compliant.

KPC357NT0B Applications

  • Ideal for high-density mounting.
  • Used in programmable controllers.
  • Suitable for DC-DC converters.
  • Applicable in telecommunication equipment.

KPC357NT0B FAQs

5 frequently asked questions generated from this part’s specifications.
What is the isolation voltage of the KPC357NT0B?

The isolation voltage is 3750 Vrms.

What is the operating temperature range for the KPC357NT0B?

The operating temperature range is -55°C to +115°C.

What is the minimum Current Transfer Ratio (CTR) for the KPC357NT0B?

The minimum CTR is 50% at IF=5mA and Vce=5V.

What package type is the KPC357NT0B available in?

The KPC357NT0B is available in a 4-pin SOP package.

Is the KPC357NT0B RoHS compliant?

Yes, the KPC357NT0B is RoHS3 compliant.

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