TIL111W Equivalent & Substitute Parts

Part Overview

The TIL111W is an optoisolator transistor with base output manufactured by onsemi, designed for applications requiring galvanic isolation up to 5300Vrms. This component features a single-channel configuration with transistor output and integrated base connection, housed in a 6-DIP package. The TIL111W is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

TIL111W

onsemiIn Stock: 1161TIL111W Datasheet

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H11A1

onsemiIn Stock: 19937H11A1 Datasheet

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TIL111G

Isocom Components 2004 LTDIn Stock: 871TIL111G Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TIL111W is determined by the following critical parameters:

• Isolation Voltage: Minimum 5300Vrms to maintain equivalent galvanic isolation
• Output Configuration: Transistor with base output required for pin-compatible operation
• Package Type: 6-DIP through-hole mounting for PCB compatibility
• Operating Temperature Range: -55°C ~ 100°C minimum coverage
• Output Voltage Rating: 30V maximum output voltage
• Vce Saturation: 400mV maximum for switching performance equivalence

The identified substitute parts meet these core electrical and mechanical requirements, enabling direct functional replacement in existing designs.

Parameter Comparison

Engineering Selection Recommendations

H11A1 (onsemi): Maintains identical isolation voltage (5300Vrms), output voltage rating (30V), and saturation characteristics (400mV). Package dimensions differ slightly (0.300" vs 0.400"), requiring PCB layout verification. Product status is obsolete, consistent with the main part. REACH compliance status is unaffected.

TIL111G (Isocom Components 2004 LTD): Offers active product status, providing long-term availability advantage. Maintains 6-DIP package footprint compatibility (0.400", 10.16mm) and identical saturation voltage (400mV). Isolation voltage specification differs (7.5Vpk vs 5300Vrms), representing a reduced isolation rating. Maximum forward current is lower (60mA vs 100mA). RoHS3 compliance is documented. REACH compliance status is unaffected.

Frequently Asked Questions (FAQ)

Q: Can H11A1 be used as a direct replacement for TIL111W?

A: H11A1 meets the core electrical requirements: 5300Vrms isolation, 30V output rating, 400mV saturation, and -55°C to 100°C operating range. Package dimensions differ (0.300" vs 0.400" DIP width), requiring verification that PCB pad spacing accommodates the H11A1 footprint.

Q: What is the key difference between TIL111G and TIL111W?

A: TIL111G maintains identical package dimensions and saturation characteristics but specifies lower isolation voltage (7.5Vpk vs 5300Vrms) and reduced maximum forward current (60mA vs 100mA). TIL111G holds active product status, whereas TIL111W is obsolete. Applications requiring 5300Vrms isolation must verify that 7.5Vpk isolation is sufficient.

Q: Are package dimensions critical for substitution?

A: Yes. H11A1 uses 0.300" DIP spacing while TIL111W and TIL111G use 0.400" spacing. PCB layout must accommodate the selected package footprint. Through-hole mounting compatibility is maintained across all three parts.

Q: What compliance certifications apply to these parts?

A: All three parts maintain REACH Unaffected status. TIL111G additionally carries RoHS3 compliance certification. ECCN and HTSUS classifications are identical across all parts.

Q: Which substitute offers the best long-term availability?

A: TIL111G holds active product status, indicating ongoing manufacturing and supply availability. H11A1 and TIL111W are both classified as obsolete.