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FOD2741A The ON Semiconductor FOD2741A is an optically isolated error amplifier combining a precision reference and an optocoupler. It features a 2.5V reference with 0.5% tolerance and 5,000V RMS isolation.
Mfr Part #:

FOD2741A

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor FOD2741A is an optically isolated error amplifier combining a precision reference and an optocoupler. It features a 2.5V reference with 0.5% tolerance and 5,000V RMS isolation.
✓ Total Stock: 1,248 pcs
$ Price Range: $0.99

FOD2741A Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
750 pcs
On Request
750 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
313 pcs
On Request
313 pcs On Request 1 On Request On Request 09+ On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
185 pcs
On Request
185 pcs On Request 1 On Request On Request 02+ 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.

FOD2741A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Input Voltage
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Operating Temperature
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Temperature Coefficient
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FOD2741A Description

Short technical summary and product information.

The FOD2741A from ON Semiconductor is an optically isolated error amplifier designed for use in isolated AC to DC power supplies and DC/DC converters. It integrates a KA431 precision programmable shunt reference with an optocoupler, which consists of a gallium arsenide (GaAs) light-emitting diode coupled to a silicon phototransistor.

 

This device offers a 2.5V reference with a tight tolerance of 0.5% for the FOD2741A variant, reducing the need for adjustments in many applications. The current transfer ratio (CTR) ranges from 100% to 200%, and it boasts a low temperature coefficient of 50 ppm/°C maximum. It provides 5,000V RMS isolation.

 

The FOD2741A is housed in an 8-pin DIP package, suitable for through-hole mounting. Its integrated functionality helps reduce component count and save space in compact designs. Key applications include power supply regulation and DC to DC converters.

FOD2741A Quick Information

Product Type: Optocoupler
Canonical Name: FOD2741A Optically Isolated Error Amplifier
Subcategory: Transistor, Photovoltaic Output

FOD2741A Compliance

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

FOD2741A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

FOD2741A Features

  • Optically isolated error amplifier in single package.
  • Features a 2.5V precision reference.
  • Current Transfer Ratio (CTR) from 100% to 200%.
  • Provides 5,000V RMS isolation.
  • Low temperature coefficient of 50 ppm/°C max.

FOD2741A Applications

  • Suitable for general purpose isolation applications.
  • Used in signal isolation for industrial controls.
  • Applied in power supply feedback circuits.
  • Integrated into data communication systems.
  • Utilized in motor control interfaces.

FOD2741A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the isolation voltage of the FOD2741A?

The FOD2741A has an isolation voltage of 5,000V RMS.

What is the operating temperature range for the FOD2741A?

The operating temperature range for the FOD2741A is -25°C to 85°C.

What is the Current Transfer Ratio (CTR) of the FOD2741A?

The Current Transfer Ratio (CTR) of the FOD2741A ranges from 100% to 200%.

What is the maximum input DC current for the FOD2741A?

The maximum input DC current for the FOD2741A is 20mA.

What is the maximum Collector-Emitter Voltage of the FOD2741A?

The maximum Collector-Emitter Voltage of the FOD2741A is 30V.

What is the package type for the FOD2741A?

The FOD2741A is available in an 8-pin DIP package.

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