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ILD74 The Siemens ILD74 is an optically coupled pair featuring a GaAIAs infrared LED and a silicon NPN phototransistor. It offers a typical transfer ratio of 35% and coupling capacitance of 0.5 pF.
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ILD74

Available from 2 distributors
Mfr Name: Siemens
Siemens
The Siemens ILD74 is an optically coupled pair featuring a GaAIAs infrared LED and a silicon NPN phototransistor. It offers a typical transfer ratio of 35% and coupling capacitance of 0.5 pF.
✓ Total Stock: 133 pcs
$ Price Range: $0.50

ILD74 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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128 pcs
On Request
128 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
5 pcs
On Request
5 pcs On Request 1 On Request On Request On Request On Request On Request
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ILD74 Specifications Quick View

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ILD74 Description

Short technical summary and product information.

The ILD74, ILQ74 from Siemens is an optically coupled pair designed for signal transmission with high electrical isolation. It utilizes a GaAIAs infrared LED and a silicon NPN phototransistor.

 

This optocoupler is suitable for driving medium-speed logic, helping to eliminate ground loop and noise issues. It can also serve as a replacement for relays and transformers in various digital interface applications, and is applicable in analog uses such as CTR modulation.

 

Key electrical characteristics include a typical transfer ratio of 35% and a coupling capacitance of 0.5 pF. The ILD74 offers dual channels in a DIP package, while the ILQ74 provides quad channels. It is compatible with TTL logic and is available in industry-standard DIP and SMD packages.

 

Agency approvals include UL 1577, cUL, CQC, FIMKO, and DIN EN 60747-5-5 (VDE 0884-5) with option 1. This component is designed for reliable signal isolation in electronic circuits.

ILD74 Quick Information

Product Type: Optocoupler
Canonical Name: ILD74 Optocoupler, Phototransistor Output
Subcategory: Phototransistor Output

ILD74 Compliance

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

ILD74 Estimated Pricing

Qty Low High
1+ $0.50 $0.50

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

ILD74 Features

  • Optically coupled pair with GaAIAs LED and NPN phototransistor.
  • Typical transfer ratio of 35%.
  • Coupling capacitance of 0.5 pF.
  • TTL compatible.
  • Available in dual and quad channel packages.

ILD74 Applications

  • Driving medium-speed logic circuits.
  • Eliminating ground loop and noise problems.
  • Replacing relays and transformers.
  • Digital interface applications.
  • Analog applications like CTR modulation.

ILD74 FAQs

3 frequently asked questions generated from this part’s specifications.
What is the typical transfer ratio of the ILD74 optocoupler?

The typical transfer ratio of the ILD74 optocoupler is 35%.

What is the coupling capacitance of the ILD74 optocoupler?

The coupling capacitance of the ILD74 optocoupler is 0.5 pF.

What package types are available for the ILD74 optocoupler?

The ILD74 optocoupler is available in DIP-8, DIP-16, SMD-8, and SMD-16 package types.

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