What is TLP227G?

This is Photocoupler Photo Relay.

A relay allows a low-power electrical signal, such as from a microcontroller or sensor, to control a much larger current or voltage, such as required to drive a motor or light bulb. This allows a small electronic device to control a much larger one, or to isolate the low-power circuit from the high-power one. Relays are used in a wide range of applications, including automotive systems, HVAC systems, and computer power supplies.

[PDF] Complete Technical Details can be found in the TLP227G datasheet provided at this page.

Datasheet Summary in PDF File

TLP227G TLP227G 2 TOSHIBA Photocoupler Photo Relay TLP227G TLP227G 2 Cordless Telephone PBX Modem The TOSHIBA TLP227G series consist of a gallium arsenide infrared emitting diode optically coupled to a photo MOS FET in a plastic DIP package The TLP227G series are a bi directional switch which can replace mechanical relays in many applications TLP227G 4 pin DIP DIP4 1 channel type 1 form A TLP227G 2 8 pin DIP DIP8 2 channel type 2 form A Peak off state voltage 350V min Trigger LED current 3mA max On state current 120mA max On state resistance 35 max Isolation voltage 2500Vrms min Isolation thickness 0 4mm min BSI approved BS EN60065 1994 certificate no 8275 BS EN60950 1992 certificate no 8276 Option D4 type TUV approved DIN VDE0884 06 92 certificate no 9850585 1 2 Unit in mm TOSHIBA Weight 0 26g 1 Form A 11 5B2 4 3 Pin Configuration top view TLP227G 1 4 1 TLP227G 2 8 2 1 Anode 2 Cathode 3 Drain 1 4 Drain 2 3 2 7 1 3 Anode 2 4 Cathode 5 Drain 1 6 6 Drain 2 7 Drain 3 8 Drain 4 3 TOSHIBA Weight 0 54g 2 Form A 8 11 10C4 5 4 5 1 4 1 2002 09 25 TLP227G TLP227G 2 Internal Circuit TLP227G 1 4 2 3 Maximum Ratings Ta 25 C Characteristi

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[ Detailed Data ]

Q: What is a relay, and how does it work?

A: A relay is an electromagnetic switch that uses an energized coil to open or close a circuit. When the coil is energized, it creates a magnetic field that pulls a contact armature towards it, closing a set of electrical contacts. When the coil is de-energized, the magnetic field collapses, and the contact armature returns to its original position, opening the contacts.

Q: What are the types of relays? A: There are many types of relays, including electromagnetic relays, solid-state relays, thermal relays, reed relays, and time-delay relays, among others. Each type of relay has its unique design and application.

Q: What is the purpose of a relay? A: The primary purpose of a relay is to switch electrical circuits on and off. It is commonly used in control circuits to control high-power loads or where a signal from a low-power circuit is used to control a higher power load.

Q: What are the advantages of using a relay? A: Relays offer several advantages, including isolation of the controlling circuit from the controlled circuit, the ability to switch high power loads with low power circuits, and the ability to switch multiple circuits simultaneously.

Manufacturers : Toshiba Semiconductor

TOSHIBA - TLP227G Datasheet PDF


Photocoupler Photo Relay

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Datasheet TLP227G.PDF DownLoad ( TOSHIBA )

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