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Name: TLP291(Y-TP,SE
Brand: Toshiba Semiconductor and Storage
SKU: TLP291(Y-TP,SE
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Toshiba Semiconductor and Storage TLP291(Y-TP,SE

Part No.:: TLP291(Y-TP,SE

Manufacturer:: Toshiba Semiconductor and Storage

Package:: 4-SOIC (0.179, 4.55mm Width)

Datasheet:: TLP291(Y-TP,SE.pdf

Description:: OPTOISOLATOR 3.75KV TRANS 4-SO

In Stock:: 2841

Quantity:: Add To Cart

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TLP291(Y-TP,SE Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
NumberofChannels:
1
Voltage-Isolation:
3750Vrms
CurrentTransferRatio(Min):
50% @ 5mA
CurrentTransferRatio(Max):
150% @ 5mA
TurnOn/TurnOffTime(Typ):
3µs, 3µs
Rise/FallTime(Typ):
2µs, 3µs
InputType:
DC
OutputType:
Transistor
Voltage-Output(Max):
80V
Current-Output/Channel:
50mA
Voltage-Forward(Vf)(Typ):
1.25V
Current-DCForward(If)(Max):
50 mA
VceSaturation(Max):
300mV
OperatingTemperature:
-55°C ~ 110°C
MountingType:
Surface Mount

TLP291(Y-TP,SE this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including TLP291(Y-TP,SE price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for TLP291(Y-TP,SE to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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TLP291(Y-TP,SE information

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TLP291(Y-TP,SE Typical application Circuitry

The TLP291(Y-TP,SE is a photocoupler, also known as an optocoupler, which is a component that transfers electrical signals between two isolated circuits by using light. It's used in various applications where signal isolation is crucial, such as in power supply circuits, microcontroller interfaces, and digital signal isolation. The TLP291(Y-TP,SE offers several key features:

1. Isolation Voltage: The TLP291(Y-TP,SE provides a high isolation voltage, typically around 3750Vrms, which is essential for protecting low-voltage circuits from high-voltage surges.

2. Forward Current and Collector-Emitter Voltage: It operates with a forward current (IF) typically around 50mA and a maximum collector-emitter voltage (VCEO) of around 80V.

3. Transfer Characteristics: It has a Current Transfer Ratio (CTR) that indicates the efficiency of the optocoupling process, usually in the range of 50-600% at IF=5mA.

4. Compact Package: The TLP291(Y-TP,SE is available in a compact SO4 package, suitable for high-density mounting.

One common application of the TLP291(Y-TP,SE is in microcontroller interfacing. Here's a detailed circuit connection using the TLP291(Y-TP,SE:

- Microcontroller to Relay Control: Use the TLP291(Y-TP,SE to drive a relay from a microcontroller.

1. Microcontroller Connection: Connect the microcontroller's output pin to pin 1 (anode) of the TLP291(Y-TP,SE, with pin 2 (cathode) going to the ground. This configuration allows the microcontroller to control the LED inside the optocoupler.

2. Current Limiting Resistor: Place a resistor in series with the LED to limit current according to the microcontroller's output characteristics and the LED's forward voltage and current.

3. Relay Driver: Connect pin 3 (collector) of the TLP291(Y-TP,SE to the positive terminal of a power source suitable for the relay. Connect pin 4 (emitter) to one terminal of the relay coil, with the other terminal going to the ground.

4. Flyback Diode: Place a diode across the relay coil terminals to protect against voltage spikes when the relay is turned off.

When designing circuits with the TLP291(Y-TP,SE, consider the following:

- Power Dissipation: Ensure the total power dissipation does not exceed the maximum rating of the TLP291(Y-TP,SE.

- Input-Output Isolation: Maintain proper isolation distances to ensure the high isolation voltage rating is effective.

- Ambient Temperature: The operating temperature range should be within the specified limits for reliable operation.

- Switching Speed: The TLP291(Y-TP,SE has a certain response time, which should be considered in applications requiring fast switching.

In summary, the TLP291(Y-TP,SE is a versatile photocoupler used in various applications requiring electrical isolation. Its key parameters, such as isolation voltage and CTR, make it suitable for interfacing with microcontrollers, especially in relay control circuits. Proper consideration of power, isolation, temperature, and switching speed is essential in designing circuits with the TLP291(Y-TP,SE.

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6. What is the process for return or replacement of TLP291(Y-TP,SE?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the TLP291(Y-TP,SE we delivered, we will accept the replacement or return of the TLP291(Y-TP,SE only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of TLP291(Y-TP,SE.

(3)The PartNo is unused and only in the original unpacked packaging.

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