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Electronic Optocouplers IC

Name: Electronic Optocouplers IC
Brand: RELIABLE ELECTRONICS
Price: 1-2000 INR
Availability: InStock

Price 1-2000 INR/ Piece

Get a Price/Quote

MOQ : 5 Pieces

Electronic Optocouplers IC Specification

Output
Phototransistor/Photodarlington

Power Supply
External (Required as per application circuit)

Interface
Pin-based (for PCB mounting)

Thermal Conductivity
Standard electronic IC

Input
Photodiode/LED

Components
LED (Input), Phototransistor (Output)

Response Time
0.1 s - 5 s (depends on model)

Features
High isolation voltage, Fast switching, Low input current, Compact size

Operating Temperature
-40C to +85C

Power Source
External DC Supply

IP Rating
Not rated (encapsulated electronic component)

Usage
Signal isolation, Microcontroller interface, Switching device

Product Type
Electronic Optocoupler IC

Application
Microprocessor protection, Power supply control, Switching circuits

Rated Voltage
5V DC

Supply Voltage
5V (typical), up to 24V (depending on model)

Size
DIP 4/6/8 pin (varies by model)

Dimension (L*W*H)
Approx. 7.0 x 5.0 x 3.5 mm (DIP package)

Function
Electrical isolation between input and output signals

Color
Black (Package)

Weight
3-5 grams (approx.)

Thickness
Standard IC profile (approx. 3 to 5 mm)

Current Rating
Input: 10~20 mA; Output: up to 50 mA (typical)

Frequency
Up to 80 kHz (depends on part number)

Maximum Collector-Emitter Voltage (Vce)
35V (typical)

Package Type
DIP/SOP/SMT (various depending on model)

Output Collector Current
50 mA (maximum)

Number of Channels
1 or 2 channels per IC (common types: 4N35, 4N25, PC817, etc.)

Mounting Style
Through-hole/SMD

Isolation Voltage
5000 Vrms (typical between input and output)

RoHS Compliance
Yes (lead free options available)

Lead Pitch
2.54 mm (DIP package)

Storage Temperature Range
-55°C to +125°C

Input Forward Voltage
1.0V to 1.4V (LED input)

Electronic Optocouplers IC Trade Information

Minimum Order Quantity
5 Pieces

Supply Ability
1000 Pieces Per Month

Delivery Time
8-10 Days

About Electronic Optocouplers IC

Backed by a team of experts, we have been a respected supplier of Electronic Optocouplers IC in the market. This can either be used on their own as a switching device, or used with other electronic devices to provide isolation between low and high voltage circuits. Electronic Optocouplers IC can be availed from us at affordable rates.

Type	Non-Leaded
Temperature	0 - 175 Degree C
Voltage	120 VAC
Model Name/Number	TLP 250
Frequency	50 Hz
Current	5 - 10 amp

Advanced Signal Isolation for Reliable Performance

These optocoupler ICs employ internal LED and phototransistor/photodarlington circuits to achieve signal isolation of up to 5000 Vrms. This mechanism ensures that control systems and sensitive microprocessors remain protected from electrical spikes, thus enhancing system reliability and longevity. Their modern packages enable both through-hole and surface mounting, accommodating various PCB design requirements.

Versatile Applications Across Industries

With their high isolation voltage, rapid response times (as quick as 0.1 s), and low input current requirements, these optocouplers are ideal for microcontroller interfaces, switching control, and power supply monitoring. They cater to applications in automation, industrial control, power electronics, and integrated circuits, supporting both signal and data transmission with electrical isolation.

FAQ's of Electronic Optocouplers IC:

Q: How does the optocoupler IC provide electrical isolation between input and output signals?

A: The optocoupler IC uses an internal LED and phototransistor (or photodarlington) separated by a transparent barrier. When the LED is energized, it emits light detected by the phototransistor, transferring the signal without any physical electrical connection. This ensures high-voltage isolation (5000 Vrms typical) between input and output circuits.

Q: What are the main benefits of using electronic optocouplers in microcontroller interfaces?

A: Optocouplers protect microcontroller circuits from voltage transients, noise, and ground loops by isolating low-voltage control circuitry from high-voltage or noisy environments. They also allow safe switching of signals, reducing the risk of damage or malfunction due to electrical interference.

Q: When should I use a single-channel versus a dual-channel optocoupler IC?

A: Single-channel optocouplers are ideal for isolating individual control lines, while dual-channel types are beneficial when two signals need simultaneous isolation, such as transmitting differential signals or controlling multiple relays from a single IC, simplifying circuit design and saving board space.

Q: Where are optocoupler ICs typically installed in electronic systems?

A: Optocouplers are mounted on PCBs using through-hole or SMD techniques. They appear in input/output sections of power supplies, microcontroller circuits, switching devices, and interface modules, particularly where galvanic isolation is critical for system protection.

Q: What is the recommended process to connect optocoupler ICs in a circuit?

A: Connect the input LED side to the control signal, ensuring appropriate current-limiting resistors (typically supporting 10-20 mA). Power the output phototransistor with an external supply as per your application's voltage (5V typical) and connect the output to the receiving device, observing maximum ratings for voltage and current.

Q: What usage considerations should be checked when choosing an optocoupler for a new project?

A: Check the required isolation voltage, number of channels, collector-emitter voltage, mounting style (SMD or through-hole), and current rating. Also, consider pin pitch (2.54 mm in DIP), operational frequency, power supply compatibility, and the need for RoHS compliance in your application.

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