Part Details for TLP321 by Isocom Components
Results Overview of TLP321 by Isocom Components
- Distributor Offerings: (6 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (0 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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TLP321 Information
TLP321 by Isocom 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.
Price & Stock for TLP321
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
TLP321
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TME | Optocoupler, THT, Ch: 1, OUT: transistor, Uinsul: 5kV, Uce: 80V, DIP4 Min Qty: 1 | 0 |
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$0.1230 / $0.5170 | RFQ |
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DISTI #
93073503
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Verical | DC-IN 1-CH Transistor 4-Pin PDIP RoHS: Compliant Min Qty: 2000 Package Multiple: 100 Date Code: 2025 | Americas - 40000 |
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$0.1258 / $0.1569 | Buy Now |
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Onlinecomponents.com | 4 Pin Transistor Output, Single Optocoupler COO: Thailand RoHS: Compliant | 0 |
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$0.0948 / $0.1765 | Buy Now |
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DISTI #
93073503
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Verical | DC-IN 1-CH Transistor 4-Pin PDIP COO: Thailand RoHS: Compliant Min Qty: 2000 Package Multiple: 100 Date Code: 2025 | Americas - 40000 |
|
$0.1258 / $0.1569 | Buy Now |
|
DISTI #
93073503
|
Verical | DC-IN 1-CH Transistor 4-Pin PDIP COO: Thailand RoHS: Compliant Min Qty: 2000 Package Multiple: 100 Date Code: 2025 | Americas - 40000 |
|
$0.1258 / $0.1569 | Buy Now |
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NAC | Transistor output optocoupler, single channel, DIP-4 RoHS: Compliant Min Qty: 2000 Package Multiple: 100 Container: Tube | 0 |
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$0.1105 / $0.3200 | Buy Now |
US Tariff Estimator: TLP321 by Isocom Components
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
TLP321 Part Data Attributes
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TLP321
Isocom Components
Buy Now
Datasheet
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Compare Parts:
TLP321
Isocom Components
Transistor Output Optocoupler, 1-Element, 5300V Isolation
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Package Description | Dip-4 | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.40.80.00 | |
| Additional Feature | Ul Recognized | |
| Coll-Emtr Bkdn Voltage-Min | 80 V | |
| Configuration | Single | |
| Current Transfer Ratio-Nom | 50% | |
| Dark Current-Max | 100 Na | |
| Forward Current-Max | 0.05 A | |
| Isolation Voltage-Max | 5300 V | |
| JESD-609 Code | e3 | |
| Number of Elements | 1 | |
| Operating Temperature-Max | 100 °C | |
| Operating Temperature-Min | -55 °C | |
| Optoelectronic Device Type | Transistor Output Optocoupler | |
| Terminal Finish | Tin |
TLP321 Frequently Asked Questions (FAQ)
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The recommended PCB layout for the TLP321 involves keeping the input and output circuits separate, using a ground plane to reduce noise, and minimizing the distance between the optocoupler and the input/output components to reduce electromagnetic interference (EMI).
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To ensure reliable operation of the TLP321 in high-temperature environments, it is recommended to derate the device's current and voltage ratings according to the temperature derating curve provided in the datasheet, and to ensure good thermal management through proper heat sinking and airflow.
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The maximum allowable voltage across the input pins of the TLP321 is typically limited by the breakdown voltage of the LED, which is typically around 5-6 V. Exceeding this voltage can cause damage to the device.
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The TLP321 is not suitable for high-frequency applications due to its limited bandwidth, which is typically around 10 kHz. For high-frequency applications, a faster optocoupler such as the TLP521 or TLP621 may be more suitable.
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The correct resistor values for the TLP321 depend on the specific application and the required current transfer ratio. A general guideline is to choose resistors that provide a current of around 1-5 mA through the LED, and to ensure that the output resistor is sized to provide the required output current.