

Quantity:



Looking for price or availability? Send us an RFQ and our sales team will respond quickly.
Fast worldwide shipping via DHL, FedEx, UPS, and EMS.
We support multiple secure payment methods including PayPal, Visa, MasterCard, and American Express. All transactions are protected with advanced encryption to ensure secure and reliable payments.
All components supplied by Aichiplink are sourced from trusted global suppliers and verified through strict in-house inspection and quality control procedures.
Certified in-house inspection and testing facilities ensure all components meet internationally recognized quality standards.
Available from AS9120 Certified Supplier, AIChipLink delivers high-reliability electronic components supported by certified quality management, rigorous inspection processes, counterfeit mitigation controls, and full traceability systems. Our operations comply with AS9120, ISO 9001:2015, and IECQ ESD standards to support aerospace, industrial, defense, and mission-critical applications.
Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.
MEANS OF PAYMENTFor your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.
RFQ (REQUEST FOR QUOTATIONS)Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.
Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

Step1:Prepare product

Step2:Desiccant Protection

Step3:Vacuum Packaging

Step4:Individual Package

Step5:Anti-collision Filling

Step6:Packaging Box
1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
DELIVERY TIME1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.
Isocom TLP521-4 technical specifications, attributes, parameters and parts with similar specifications to Isocom TLP521-4.
Download datasheets and manufacturer documentation for Isocom TLP521-4.
Product Description: TLP521-4
The TLP521-4 is a high-performance, 4-channel, transistor output optocoupler from Isocom, designed for a wide range of applications. This reverse-breakdown voltage sensor is mounted through a hole and features a DC output type, making it suitable for use in various commercial and industrial environments.
Features:
Applications:
Alternative Parts:
Embedded Modules:
Frequently Asked Questions:
Q: What is the maximum forward current of the TLP521-4? A: The maximum forward current is 50mA.
Q: What is the operating temperature range of the TLP521-4? A: The operating temperature range is -30°C to 100°C.
Q: What is the isolation voltage of the TLP521-4? A: The isolation voltage is 5300V (maximum) and 7500V (maximum).
Q: What is the power dissipation of the TLP521-4? A: The power dissipation is 0.2W.
Q: Is the TLP521-4 rad-hardened? A: No, the TLP521-4 is not rad-hardened.
Q: What is the package type of the TLP521-4? A: The package type is PDIP (Plastic Dual In-Line Package).
TLP521-4 from Isocom is ready for RFQ submission. Send your target quantity and requirements, and AIChipLink will check current availability, lead time, and quantity-based pricing.
The final price for TLP521-4 depends on requested quantity, supply conditions, date code, package option, and destination. An RFQ lets us return the current market quote for your order.
TLP521-4 is a Isocom Sensors, Transducers part. Key details include Operating Temperature Classification: Commercial and Optoelectronic Device Type: TRANSISTOR OUTPUT OPTOCOUPLER; contact us if you need the specifications verified before sourcing.
After you submit the RFQ for TLP521-4, our sales team typically replies within 24 hours with availability, unit pricing, lead time, shipping choices, and possible substitutes.
Once stock for TLP521-4 is confirmed, available inventory can generally ship within 1–2 business days. The final schedule depends on quantity, warehouse source, and delivery address.
Yes. If TLP521-4 is unavailable, end-of-life, or outside your schedule, we can review comparable Isocom Sensors, Transducers parts and compatible replacement options.
AIChipLink – Your Trusted Electronic Components Distributor
12.28 M
Listed Part Number3,000+
Leading Manufacturers4.9 M
In-stock SKU15,000+
Warehouse Area(㎡)The following parts are popular search parts in Integrated Circuits (ICs).