SL5500300 Equivalent & Substitute Parts

Part Overview

The SL5500300 is an optoisolator transistor with base output manufactured by onsemi, designed for high-voltage isolation applications requiring 5300Vrms isolation rating. This component features a single-channel configuration in a 6-DIP package and is rated for 100mA output current with a 40% to 300% current transfer ratio range.

The SL5500300 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications currently utilizing this component.

Substiute Parts

SL5500300

onsemiIn Stock: 661SL5500300 Datasheet

Current PartRFQ

H11AV1VM

Fairchild SemiconductorIn Stock: 12376H11AV1VM Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SL5500300 is evaluated based on the following critical parameters that define functional equivalence:

• Package Compatibility: Both parts must use 6-DIP (0.300", 7.62mm) through-hole mounting to ensure direct PCB compatibility without layout modifications.
• Output Configuration: Both parts must feature transistor output with base connection to maintain circuit interface compatibility.
• Single-Channel Architecture: Substitutes must provide exactly one isolation channel.
• Isolation Voltage: The substitute must meet or exceed the 5300Vrms isolation requirement of the original part.
• Output Current Capability: The substitute must support the 100mA output current specification.
• Current Transfer Ratio: The substitute must provide adequate current transfer ratio performance within the operating range.
• Operating Temperature Range: The substitute must support the required temperature envelope or a compatible subset.

The H11AV1VM from Fairchild Semiconductor qualifies as a substitute based on these parameters, with specific trade-offs noted in the comparison table below.

Parameter Comparison

Engineering Selection Recommendations

Primary Consideration - Isolation Voltage: The H11AV1VM provides 4170Vrms isolation compared to the SL5500300's 5300Vrms rating. This represents a 21% reduction in isolation capability. Selection of this substitute is appropriate only when the application circuit design does not require the full 5300Vrms isolation margin. Review the isolation voltage requirement in your specific application schematic and safety certification documentation before proceeding with substitution.

Supply Chain Status: The SL5500300 is obsolete with no ongoing manufacturing. The H11AV1VM is in active production status with 12,300 units currently in stock, providing assured supply continuity for new production and field replacements.

Compliance and Certification: Both parts carry identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications, ensuring equivalent regulatory treatment. The H11AV1VM maintains REACH compliance status consistent with the original part.

Performance Advantages of H11AV1VM: The substitute offers improved switching speed (15µs turn-on/off versus 20µs/50µs), higher minimum current transfer ratio (100% versus 40%), and higher maximum output voltage rating (70V versus 30V). These characteristics provide enhanced performance margins in most applications.

Temperature Range Limitation: The H11AV1VM minimum operating temperature is -40°C compared to -55°C for the SL5500300. Applications requiring operation below -40°C are not compatible with this substitute.

Frequently Asked Questions (FAQ)

Q: Can the H11AV1VM be used as a direct replacement for the SL5500300 without circuit modifications?

A: The H11AV1VM is pin-compatible and functionally equivalent in package, output type, and channel configuration. However, the reduced isolation voltage (4170Vrms versus 5300Vrms) must be evaluated against your specific application requirements. If your circuit design margin accommodates the lower isolation rating, no modifications are necessary. If your application requires the full 5300Vrms isolation specification, this substitute is not appropriate.

Q: What is the impact of the lower isolation voltage rating?

A: The 4170Vrms rating of the H11AV1VM is approximately 79% of the SL5500300's 5300Vrms rating. This affects the maximum voltage differential that can be safely applied across the isolation barrier. Review your application's isolation voltage requirements, including transient overvoltage conditions and safety certification standards, to determine if this reduction is acceptable.

Q: Are there any differences in the input circuit requirements?

A: The forward voltage (Vf) differs minimally: 1.23V for the SL5500300 versus 1.18V for the H11AV1VM. This 50mV difference has negligible impact on input LED drive circuit design and does not require modifications to existing input stage components.

Q: How do the switching characteristics compare?

A: The H11AV1VM provides faster switching performance with 15µs turn-on and turn-off times compared to the SL5500300's 20µs turn-on and 50µs turn-off. This improvement is beneficial for high-frequency applications and does not introduce compatibility issues.

Q: Is the H11AV1VM suitable for low-temperature applications?

A: The H11AV1VM operates from -40°C to 100°C, compared to the SL5500300's -55°C to 100°C range. If your application requires operation below -40°C, the H11AV1VM is not suitable. Verify your application's minimum operating temperature requirement before selecting this substitute.

Q: What is the current output capability difference?

A: The SL5500300 specifies 100mA output current per channel. The H11AV1VM does not provide a specified maximum output current in the available data. Verify the H11AV1VM's output current capability against your application's load requirements before substitution.

Q: Are both parts available for immediate procurement?

A: The SL5500300 is obsolete and no longer manufactured. The H11AV1VM is in active production with 12,300 units currently in stock, ensuring supply availability for new designs and field replacements.