SL55113SD Equivalent & Substitute Parts

Part Overview

The SL55113SD 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 with transistor output and base connection, suitable for DC input applications. The product is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

SL55113SD

onsemiIn Stock: 1215SL55113SD Datasheet

Current PartRFQ

H11AV1SR2VM

Fairchild SemiconductorIn Stock: 12427H11AV1SR2VM Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SL55113SD is determined by the following critical parameters:

• Isolation Voltage: Minimum 5300Vrms required to maintain equivalent safety and performance characteristics
• Output Configuration: Transistor with base output mandatory for circuit compatibility
• Number of Channels: Single channel configuration required
• Package Type: 6-SMD, Gull Wing surface mount package for mechanical compatibility
• Input Type: DC input requirement
• Output Voltage Rating: Minimum 30V output capability
• Current Output Capacity: Minimum 100mA per channel
• Vce Saturation: Maximum 400mV specification

The H11AV1SR2VM from Fairchild Semiconductor meets the core functional requirements of transistor-output optoisolation with single-channel configuration and compatible 6-SMD packaging. However, critical parameter differences exist that must be evaluated for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

The H11AV1SR2VM presents a viable alternative for applications where the lower isolation voltage rating of 4170Vrms is acceptable within system design margins. The substitute component is currently in active production status, ensuring long-term availability compared to the obsolete SL55113SD.

Applications requiring the full 5300Vrms isolation specification of the original part cannot use the H11AV1SR2VM as a direct substitute. In such cases, alternative optoisolators with equivalent or higher isolation ratings must be evaluated.

The substitute component's improved current transfer ratio (100% minimum versus 25% minimum) and faster switching characteristics (15µs versus 20µs/50µs) may provide performance benefits in certain circuit topologies, though circuit validation is necessary to confirm compatibility with existing designs.

The narrower operating temperature range of the H11AV1SR2VM (-40°C minimum versus -55°C minimum) must be verified against application requirements, particularly for systems operating in extended low-temperature environments.

Frequently Asked Questions (FAQ)

Q: Can the H11AV1SR2VM directly replace the SL55113SD in all applications?

A: No. The H11AV1SR2VM has a lower isolation voltage rating (4170Vrms versus 5300Vrms). Direct substitution is only valid for applications where the lower isolation specification meets system requirements.

Q: What are the key differences between these two parts?

A: The primary differences are isolation voltage (5300Vrms vs. 4170Vrms), current transfer ratio specifications, switching speed, maximum output voltage rating (30V vs. 70V), and operating temperature range (-55°C to 100°C vs. -40°C to 100°C).

Q: Are both parts compatible with 6-SMD surface mount assembly processes?

A: Yes. Both components use identical 6-SMD, Gull Wing packaging and are compatible with standard surface mount assembly equipment and processes.

Q: Why is the SL55113SD listed as obsolete?

A: The SL55113SD has been discontinued by onsemi. The H11AV1SR2VM from Fairchild Semiconductor remains in active production and represents a current-generation alternative for new designs.

Q: What should I verify before using the H11AV1SR2VM as a substitute?

A: Verify that your application's isolation voltage requirement does not exceed 4170Vrms, confirm compatibility with the operating temperature range (-40°C to 100°C), and validate circuit performance with the higher current transfer ratio and faster switching characteristics of the substitute component.

Q: Is the base connection configuration identical between these parts?

A: Both components feature transistor output with base connection, providing compatible circuit interface characteristics for base-driven applications.