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Optoelectronics / Optocoupler / TLP521-1
Datasheets
TLP521-1 by:

Optocoupler - Transistor Output, 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER, PLASTIC, 11-5B2, DIP-4

Part Details for TLP521-1 by Toshiba America Electronic Components

Results Overview of TLP521-1 by Toshiba America Electronic Components

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TLP521-1 Information

TLP521-1 by Toshiba America Electronic Components is an Optocoupler.
Optocoupler are under the broader part category of Optoelectronics.

Optoelectronic components work to detect, generate, and control light. They can essentially produce and/or react to light. Read more about Optoelectronics on our Optoelectronics part category page.

Available Datasheets

Part # Manufacturer Description Datasheet
TLP5212 Toshiba Electronic Devices & Storage Corporation Photocoupler (Gate Driver Coupler) DESAT Detection, OCP, AMC, 5000 Vrms, SO16L
TLP5214A Toshiba Electronic Devices & Storage Corporation Photocoupler (Gate Driver Coupler) DESAT Detection, OCP, AMC, 5000 Vrms, SO16L
TLP5214 Toshiba Electronic Devices & Storage Corporation Photocoupler (Gate Driver Coupler) DESAT Detection, OCP, AMC, 5000 Vrms, SO16L

Price & Stock for TLP521-1

Part # Distributor Description Stock Price Buy
Quest Components 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER 15
  • 1 $6.7500
  • 5 $4.9500
  • 16 $4.5000
$4.5000 / $6.7500 Buy Now
Vyrian Optoelectronics 39643
RFQ
Win Source Electronics Optoisolator Transistor Output 5300Vrms 2 Channel 8-DIP 21000
  • 240 $0.2448
  • 580 $0.2009
  • 895 $0.1947
  • 1,230 $0.1883
  • 1,590 $0.1820
  • 2,125 $0.1632
$0.1632 / $0.2448 Buy Now

Part Details for TLP521-1

TLP521-1 CAD Models

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TLP521-1 Part Data Attributes

Parametric Data
TLP521-1 Toshiba America Electronic Components
Buy Now Datasheet
Compare Parts:
TLP521-1 Toshiba America Electronic Components Optocoupler - Transistor Output, 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER, PLASTIC, 11-5B2, DIP-4
Part Life Cycle Code Obsolete
Ihs Manufacturer TOSHIBA CORP
Package Description DIP-4
Reach Compliance Code unknown
Samacsys Manufacturer Toshiba
Additional Feature UL RECOGNIZED
Coll-Emtr Bkdn Voltage-Min 55 V
Configuration SINGLE
Current Transfer Ratio-Min 70%
Current Transfer Ratio-Nom 50%
Dark Current-Max 100 nA
Forward Current-Max 0.025 A
Forward Voltage-Max 1.3 V
Isolation Voltage-Max 2500 V
Mounting Feature THROUGH HOLE MOUNT
Number of Elements 1
On-State Current-Max 0.05 A
Operating Temperature-Max 85 °C
Operating Temperature-Min -25 °C
Optoelectronic Device Type TRANSISTOR OUTPUT OPTOCOUPLER
Power Dissipation-Max 0.2 W
Response Time-Max 0.000006 s
Surface Mount NO

Alternate Parts for TLP521-1

This table gives cross-reference parts and alternative options found for TLP521-1. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of TLP521-1, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LTV817B Lite-On Semiconductor Corporation Check for Price 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER, ROHS COMPLIANT, DIP-4 TLP521-1 vs LTV817B
TLP621 Isocom Components $0.3742 Transistor Output Optocoupler, 1-Element, 5300V Isolation, DIP-4 TLP521-1 vs TLP621
SFH617A Infineon Technologies AG Check for Price Transistor Output Optocoupler, 1-Element, 5300V Isolation, PLASTIC, DIP-4 TLP521-1 vs SFH617A
LTV817A Lite-On Semiconductor Corporation Check for Price 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER, ROHS COMPLIANT, DIP-4 TLP521-1 vs LTV817A
PC123Y Sharp Corp Check for Price Transistor Output Optocoupler, 1-Element, 5000V Isolation, PLASTIC, DIP-4 TLP521-1 vs PC123Y
LTV-817 Lite-On Semiconductor Corporation $0.1223 Transistor Output Optocoupler, 1-Element, 5000V Isolation, ROHS COMPLIANT, DIP-4 TLP521-1 vs LTV-817
LTV-815S-TA1 Lite-On Semiconductor Corporation $0.1435 Darlington Output Optocoupler, 1-Element, 5000V Isolation, ROHS COMPLIANT, SURFACE MOUNT, DIP-8 TLP521-1 vs LTV-815S-TA1
Part Number Manufacturer Composite Price Description Compare
PC866 Sharp Corp Check for Price Transistor Output Optocoupler, 1-Element, 5000V Isolation, DIP-4 TLP521-1 vs PC866
TIL191 Isocom LTD Check for Price Transistor Output Optocoupler, 1-Element, 5000V Isolation, DIP-4 TLP521-1 vs TIL191
TLP621 Isocom LTD Check for Price Transistor Output Optocoupler, 1-Element, 7500V Isolation, PLASTIC PACKAGE-4 TLP521-1 vs TLP621
PC817A Sharp Corp Check for Price Transistor Output Optocoupler, 1-Element, 5000V Isolation, DIP-4 TLP521-1 vs PC817A
PS2501-1 NEC Electronics America Inc Check for Price Transistor Output Optocoupler, 1-Element, 5000V Isolation, PLASTIC, DIP-4 TLP521-1 vs PS2501-1
LTV-817-A-G Lite-On Semiconductor Corporation Check for Price Transistor Output Optocoupler, TLP521-1 vs LTV-817-A-G
PC120 Sharp Corp Check for Price Transistor Output Optocoupler, 1-Element, 5000V Isolation, DIP-4 TLP521-1 vs PC120
SFH611A Isocom LTD Check for Price Transistor Output Optocoupler, 1-Element, 5000V Isolation, DIP-4 TLP521-1 vs SFH611A
LTV-817B Lite-On Semiconductor Corporation Check for Price Transistor Output Optocoupler, 1-Element, 5000V Isolation, ROHS COMPLIANT, DIP-4 TLP521-1 vs LTV-817B
PC121 Sharp Corp Check for Price Transistor Output Optocoupler, 1-Element, 5000V Isolation, DIP-4 TLP521-1 vs PC121

TLP521-1 Related Parts

TLP521-1 Frequently Asked Questions (FAQ)

  • The recommended operating temperature range for the TLP521-1 is -40°C to 100°C. However, it's essential to note that the device's performance may degrade at extreme temperatures, and the maximum junction temperature should not exceed 125°C.

  • To ensure reliability in high-voltage applications, it's crucial to follow proper PCB layout and design guidelines, such as keeping the optocoupler away from high-voltage tracks, using adequate creepage and clearance distances, and providing sufficient isolation between the input and output circuits.

  • The maximum allowable current for the TLP521-1's output transistor is 50 mA. Exceeding this current may lead to device damage or degradation. It's essential to ensure that the output current is within the specified limit to maintain the device's reliability.

  • The TLP521-1 is not suitable for high-frequency applications above 1 MHz due to its limited bandwidth. For high-frequency applications, consider using a different optocoupler with a higher bandwidth, such as the TLP521-4 or TLP521-5.

  • The TLP521-1 has built-in ESD protection, but it's still essential to follow proper ESD handling procedures during device handling and assembly. Use anti-static wrist straps, mats, and packaging materials to prevent ESD damage.

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