SFH618A-4
Optocoupler DC-IN 1-CH Trans DC-OUT
Quantity | Unit Price(USD) | Ext. Price |
---|---|---|
1 | $0.540 | $0.54 |
500 | $0.308 | $154.00 |
1000 | $0.294 | $294.00 |
10 | $0.451 | $4.51 |
30 | $0.406 | $12.18 |
100 | $0.334 | $33.40 |
Inventory:9,601
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
-
Part Number : SFH618A-4
-
Package/Case : PDIP-4
-
Manufacturer : VISHAY
-
Components Classification : Transistor, Photovoltaic Output Optoisolators
-
Datesheet : SFH618A-4 DataSheet (PDF)
-
Series : SFH618
Overview of SFH618A-4
The SFH618A-4 is an optoisolator optimized for high-speed and low-voltage operations, providing excellent performance for analog and digital signal switching applications.
Pinout
The SFH618A-4 pinout refers to the configuration and function of each pin in its 4-DIP package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the SFH618A-4 has a specific role such as power supply input, ground connection, or signal interface.
Features
- Precise timing and synchronization for reliable operation: The SFH618A-4 provides precise control of output voltage and current, ensuring accurate clocking and timing in various applications.
- Low power consumption for reduced heat generation: This optoisolator is designed to operate with low power consumption, minimizing heat generation and reducing the risk of thermal-related failures.
- High immunity to radio-frequency interference (RFI): The SFH618A-4 features high immunity to RFI, ensuring reliable operation in environments where electromagnetic interference is present.
- Sufficient creepage distance for safe operation: This optoisolator provides a sufficient creepage distance to prevent damage from fault currents and ensure safe operation in various applications.
- Maintenance-free design with no need for calibration: The SFH618A-4 is designed to be maintenance-free, eliminating the need for calibration or adjustments during its operating life.
- Fully compliant with international industry standards: This optoisolator meets and exceeds various international industry standards, ensuring compatibility with a wide range of systems and applications.
Applications
- Telecommunications: The SFH618A-4 is suitable for telecommunications applications where precise timing and synchronization are critical, such as in telephone exchanges or data transmission systems.
- Industrial control systems: This optoisolator can be used in industrial control systems where reliable operation and low power consumption are essential, such as in process control or automation systems.
- Aerospace and defense: The SFH618A-4 is suitable for aerospace and defense applications where high reliability, precision timing, and immunity to RFI are critical, such as in navigation systems or communication equipment.
Advantages and Disadvantages
Advantages
- Precise timing and synchronization: The SFH618A-4 provides precise control of output voltage and current, ensuring accurate clocking and timing in various applications.
- Low power consumption: This optoisolator is designed to operate with low power consumption, minimizing heat generation and reducing the risk of thermal-related failures.
- High immunity to RFI: The SFH618A-4 features high immunity to RFI, ensuring reliable operation in environments where electromagnetic interference is present.
- Sufficient creepage distance for safe operation: This optoisolator provides a sufficient creepage distance to prevent damage from fault currents and ensure safe operation in various applications.
Disadvantages
- Limited operating temperature range: The SFH618A-4 has a limited operating temperature range, which may affect its performance or reliability in extreme environments.
- Sensitivity to moisture and humidity: This optoisolator is sensitive to moisture and humidity, which can affect its operation or reliability in certain environments.
Equivalents
For similar functionalities, consider these alternatives to the SFH618A-4:
- SFH618B-4: This optoisolator offers similar performance and features to the SFH618A-4 but with a slightly different package configuration.
- SFH619A-4: The SFH619A-4 is another option that provides high-speed and low-voltage operations, making it suitable for various applications where precise timing and synchronization are critical.
Frequently Asked Questions
Q: What is the operating temperature range of the SFH618A-4?
A: The SFH618A-4 operates within a temperature range of -40°C to 85°C.
Q: Is the SFH618A-4 suitable for use in high-reliability applications?
A: Yes, the SFH618A-4 is designed for high-reliability applications where precise timing and synchronization are critical, such as in aerospace and defense industries.
Q: Can the SFH618A-4 be used in environments with high levels of electromagnetic interference (EMI)?
A: Yes, the SFH618A-4 features high immunity to EMI, making it suitable for use in environments where electromagnetic interference is present.
Q: What is the typical application of the SFH618A-4?
A: The SFH618A-4 is commonly used in telecommunications, industrial control systems, and aerospace and defense applications where precise timing and synchronization are critical.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | Transistor Output Optocouplers | RoHS | Details |
Mounting Style | Through Hole | Package / Case | DIP-4 |
Number of Channels | 1 Channel | Isolation Voltage | 5300 Vrms |
Output Type | NPN Phototransistor | Current Transfer Ratio - Min | 160 % |
Current Transfer Ratio - Max | 320 % | If - Forward Current | 60 mA |
Vf - Forward Voltage | 1.5 V | Maximum Collector Emitter Voltage | 55 V |
Maximum Collector Current | 100 mA | Maximum Collector Emitter Saturation Voltage | 400 mV |
Rise Time | 3 us | Fall Time | 14 us |
Vr - Reverse Voltage | 6 V | Pd - Power Dissipation | 150 mW |
Minimum Operating Temperature | - 55 C | Maximum Operating Temperature | + 100 C |
Brand | Vishay Semiconductors | Configuration | 1 Channel |
Current Transfer Ratio | 160 % | Height | 3.81 mm |
Length | 4.83 mm | Product Type | Transistor Output Optocouplers |
Factory Pack Quantity | 4000 | Subcategory | Optocouplers |
Width | 6.81 mm | Part # Aliases | VO618A-4 |
Unit Weight | 0.009171 oz |
Warranty & Returns
Warranty, Returns, and Additional Information
-
QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
-
Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
-
Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

SFH6206-3T
Transistor output device with AC input

SFH6345
Vishay SFH6345 DC Input, Transistor Output Optocoupler, Through-hole PDIP 8

SFH6720T
SFH6720T is an optocoupler with a logic-level output and direct current input, designed for use in various electronic circuits

SFH6345-X007
Reliable signal coupling for demanding environment

SFH617A-3
transistor output optocoupler with 1 element and 5300V isolation in DIP-4 package

SFH6286-4T
Optocoupler Transistor Output 1 Channel

SI8662BD-B-ISR
High-Speed Digital Isolator featuring 6 Channels and a Data Rate of 150Mbps, Packaged in a 16-Pin SOIC with Tape and Reel Packaging

LTV-817S-TA1-D
Single-channel transistor output optocoupler with DC input in PDIP surface mount package

ADUM1200CR
High-performance digital isolation solution

ADUM1442ARQZ
Digital Isolator CMOS 4-CH 2Mbps 16-Pin QSOP Tube

HT0740LG-G
Driver 1-OUT High Side Non-Inv 8-Pin SOIC N T/R

HCNW4503-000E
Optocouplers with 1Mbit/s data rate and 1us propagation delay, suitable for logic output applications up to 15kV/us

SFH618A-4
Optocoupler DC-IN 1-CH Trans DC-OUT
Inventory:
9,601
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




