H11AV1A Equivalent & Substitute Parts

Part Overview

The H11AV1A is an optoisolator transistor with base output manufactured by onsemi, designed for high-voltage isolation applications requiring 4170Vrms isolation rating. This component features a single-channel configuration in a 6-DIP through-hole package and is classified as obsolete. Due to its obsolete status, identifying equivalent and substitute parts is necessary for ongoing design support, maintenance, and production continuity in applications requiring optoisolation functionality.

Substiute Parts

H11AV1A

onsemiIn Stock: 3225H11AV1A Datasheet

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H11AV1AM

onsemiIn Stock: 2137H11AV1AM Datasheet

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H11AV1X

Isocom Components 2004 LTDIn Stock: 1553H11AV1X Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the H11AV1A optoisolator are identified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

• Package / Case: 6-DIP (0.300", 7.62mm) — ensures mechanical and pin compatibility
• Output Type: Transistor with Base — maintains functional equivalence
• Number of Channels: 1 — preserves circuit integration requirements
• Mounting Type: Through Hole — ensures PCB assembly compatibility
• Input Type: DC — maintains signal interface compatibility
• Voltage - Isolation: Minimum 4170Vrms — ensures isolation performance meets or exceeds original specification
• Voltage - Output (Max): 70V — maintains output voltage rating
• Vce Saturation (Max): 400mV — ensures switching performance
• Operating Temperature Range: Must encompass or match the -40°C ~ 100°C range

Substitute parts must maintain these core parameters to ensure direct functional replacement without circuit redesign.

Parameter Comparison

Engineering Selection Recommendations

H11AV1AM (onsemi) — This substitute is the primary equivalent for the H11AV1A. It maintains identical electrical specifications including 4170Vrms isolation voltage, 70V maximum output voltage, 400mV Vce saturation, and -40°C ~ 100°C operating temperature range. The H11AV1AM is currently in active production status with ROHS3 compliance, providing supply continuity and regulatory alignment. The packaging, pin configuration, and functional characteristics are directly compatible with the obsolete H11AV1A.

H11AV1X (Isocom Components 2004 LTD) — This substitute offers enhanced isolation performance at 5300Vrms, exceeding the H11AV1A requirement of 4170Vrms. It maintains the same 6-DIP package, transistor-with-base output configuration, and 70V maximum output voltage. The H11AV1X features an extended operating temperature range of -55°C ~ 100°C and improved rise/fall time performance of 2µs. This part is active in production and ROHS3 compliant. The higher isolation voltage provides additional design margin for high-voltage isolation applications.

Both substitutes are electrically and mechanically compatible with the H11AV1A and support direct replacement in existing designs.

Frequently Asked Questions (FAQ)

Q: Can the H11AV1AM directly replace the H11AV1A without circuit modification?

A: Yes. The H11AV1AM maintains identical electrical and mechanical specifications to the H11AV1A, including isolation voltage (4170Vrms), output voltage rating (70V), saturation voltage (400mV), and operating temperature range (-40°C ~ 100°C). The 6-DIP package and pin configuration are identical, enabling direct substitution.

Q: What is the primary advantage of selecting the H11AV1X over the H11AV1AM?

A: The H11AV1X provides 5300Vrms isolation voltage compared to the 4170Vrms of the H11AV1A and H11AV1AM. This higher isolation rating offers additional design margin in high-voltage isolation circuits. The H11AV1X also features faster rise/fall times (2µs) and an extended operating temperature range (-55°C ~ 100°C), making it suitable for applications requiring enhanced performance or wider temperature operation.

Q: Are both substitute parts available in the same packaging as the H11AV1A?

A: Yes. Both the H11AV1AM and H11AV1X are supplied in 6-DIP (0.300", 7.62mm) through-hole packages, identical to the H11AV1A. This ensures mechanical compatibility with existing PCB designs and assembly processes.

Q: What is the difference in product status between the main part and substitutes?

A: The H11AV1A is classified as obsolete, indicating it is no longer in active production. Both substitute parts, H11AV1AM and H11AV1X, are in active production status, ensuring long-term supply availability and continued manufacturer support.

Q: Do the substitute parts meet current regulatory compliance standards?

A: Yes. Both the H11AV1AM and H11AV1X are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The H11AV1A does not specify RoHS status, making the substitutes preferable for new designs and applications requiring regulatory compliance documentation.

Q: Can the H11AV1X be used in applications designed for the H11AV1A?

A: Yes. The H11AV1X is functionally compatible with the H11AV1A. All critical electrical parameters including output type (transistor with base), maximum output voltage (70V), saturation voltage (400mV), and DC input type are maintained. The higher isolation voltage (5300Vrms) and extended temperature range provide additional performance margin without requiring circuit redesign.