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PS8101-V-A Optoisolator Equivalent and Substitute Parts
Part Overview
The PS8101-V-A is a single-channel optoisolator with transistor output manufactured by CEL, rated for 3750Vrms isolation voltage. The device is currently classified as obsolete, necessitating identification of functionally equivalent active alternatives. This reference page documents substitute optoisolators suitable for direct or design-level replacement based on matching electrical and mechanical parameters.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | CEL | — |
| Part Number | PS8101-V-A | — |
| Category | Optoisolators (Transistor Output) | — |
| Isolation Voltage | 3750 | Vrms |
| Number of Channels | 1 | — |
| Current Transfer Ratio (Min/Max) | 15% / 35% @ 16mA | — |
| Output Voltage (Max) | 35 | V |
| Output Current | 8 | mA |
| Input Forward Voltage (Typ) | 1.7 | V |
| Input DC Forward Current (Max) | 25 | mA |
| Operating Temperature | -55 to 100 | °C |
| Mounting Type | Surface Mount | — |
| Package | 6-SOIC (0.173", 4.40mm Width), 5 Leads | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
| Product Status | Obsolete | — |
Substitute Part Grouping Explanation
Substitution of the PS8101-V-A optoisolator is governed by the following key electrical and mechanical parameters:
Primary Matching Criteria:
- Isolation voltage rating (≥3750Vrms minimum)
- Transistor output configuration with single channel
- Surface mount package with 5-lead SOIC footprint (0.173", 4.40mm width)
- Output current capability (≥8mA per channel)
- Operating temperature range compatibility (-40°C to 125°C extends operational envelope of original -55°C to 100°C specification)
Secondary Compatibility Parameters:
- Current transfer ratio performance at specified input current levels
- Input forward voltage characteristics
- Maximum input DC forward current tolerance (≥20mA recommended)
- Turn-on/turn-off timing performance
The substitute parts identified are drawn from Broadcom Limited's R²Coupler™ series and compatible alternatives, all maintaining the required isolation voltage, channel configuration, package footprint, and output specifications. Variants within each product line differ in packaging format (Tube, Tape & Reel, Cut Tape), RoHS compliance status, and specific electrical performance characteristics, allowing selection based on procurement and design requirements.
Parameter Comparison
| Part Number | Manufacturer | Isolation (Vrms) | CTR Min @ mA | Output V (Max) | Temp Range (°C) | Package | Status |
|---|---|---|---|---|---|---|---|
| PS8101-V-A | CEL | 3750 | 15% @ 16mA | 35 | -55 to 100 | 6-SOIC (5L) | Obsolete |
| ACPL-M43T | Broadcom | 4000 | 32% @ 10mA | 20 | -40 to 125 | 6-SOIC (5L) | Active |
| ACPL-M43T-000E | Broadcom | 4000 | 32% @ 10mA | 20 | -40 to 125 | 6-SOIC (5L) | Active |
| ACPL-M43T-500 | Broadcom | 4000 | 32% @ 10mA | 20 | -40 to 125 | 6-SOIC (5L) | Active |
| ACPL-M43T-500E | Broadcom | 4000 | 32% @ 10mA | 20 | -40 to 125 | 6-SOIC (5L) | Active |
| ACPL-M43U-000E | Broadcom | 3750 | 32% @ 10mA | 20 | -40 to 125 | 6-SOIC (5L) | Active |
| ACPL-M43U-500E | Broadcom | 3750 | 32% @ 10mA | 20 | -40 to 125 | 6-SOIC (5L) | Active |
| ACPL-M49T-000E | Broadcom | 4000 | 32% @ 10mA | 20 | -40 to 125 | 6-SOIC (5L) | Active |
| ACPL-M49T-500E | Broadcom | 4000 | 32% @ 10mA | 20 | -40 to 125 | 6-SOIC (5L) | Active |
| ACPL-M50L-000E | Broadcom | 3750 | 100% @ 3mA | 24 | -40 to 105 | 6-SOIC (5L) | Active |
| ACPL-M50L-060E | Broadcom | 3750 | 100% @ 3mA | 24 | -40 to 105 | 6-SOIC (5L) | Active |
Engineering Selection Recommendations
Product Status Consideration: The PS8101-V-A is classified as obsolete. All substitute parts listed are in active production status, ensuring long-term availability and continued manufacturer support.
Compliance and Qualification: ACPL-M43T and ACPL-M43T-000E variants carry automotive-grade qualification (AEC-Q100), suitable for applications with automotive reliability requirements. ACPL-M43T-500E, ACPL-M43U-000E, ACPL-M43U-500E, ACPL-M49T-000E, ACPL-M49T-500E, ACPL-M50L-000E, and ACPL-M50L-060E provide RoHS3 compliance (where applicable) for environmental regulation adherence.
Electrical Parameter Alignment: For direct functional equivalence, ACPL-M43U-000E and ACPL-M43U-500E provide matched 3750Vrms isolation voltage with higher minimum current transfer ratio (32% @ 10mA vs. 15% @ 16mA). The 4000Vrms variants (ACPL-M43T series and ACPL-M49T series) provide enhanced isolation margin.
ACPL-M50L series components deliver significantly higher current transfer ratio performance (100% @ 3mA) at the expense of slightly reduced maximum output voltage (24V vs. 35V), suitable for low-input-current drive applications.
Packaging Format Selection: Tube packaging (-000E variants) is standard for manual assembly or low-volume production. Tape & Reel (TR) and Cut Tape with Digi-Reel® (-500E variants) provide automated assembly support for higher-volume manufacturing operations.
Frequently Asked Questions (FAQ)
Q: What is the primary reason for seeking substitute parts for the PS8101-V-A? A: The PS8101-V-A is classified as obsolete. Active substitute parts ensure continued design support, future production, and supply chain stability for manufacturing and maintenance applications.
Q: Can ACPL-M43T variants be used as direct replacements? A: ACPL-M43T variants provide superior isolation voltage (4000Vrms vs. 3750Vrms), compatible package footprint, single-channel transistor output, and sufficient output current capacity. They are electrically suitable but operate at reduced output voltage (20V maximum vs. 35V). Design verification of voltage requirements is necessary.
Q: What is the difference between ACPL-M43U and ACPL-M43T variants? A: ACPL-M43U models are rated for 3750Vrms isolation (matching PS8101-V-A), while ACPL-M43T models provide 4000Vrms isolation. Both share identical package, channel configuration, and output current specifications. ACPL-M43T offers increased isolation margin.
Q: How do ACPL-M50L parts differ from ACPL-M43 series substitutes? A: ACPL-M50L components feature significantly higher current transfer ratio (100% @ 3mA), enabling operation with lower input LED drive current. Maximum output voltage is 24V (vs. 20V for M43 series, and 35V for PS8101-V-A). Selection depends on input drive current availability and output voltage requirements.
Q: Are packaging format differences (Tube vs. Tape & Reel) electrically significant? A: No. Tube, Tape & Reel, and Cut Tape packaging variants contain electrically identical components. Selection is based on assembly process requirements and production volume. All variants maintain identical electrical specifications and package footprints.
Q: What is RoHS3 compliance, and why does it matter? A: RoHS3 compliance indicates adherence to European Union Restriction of Hazardous Substances regulations, including restrictions on lead, cadmium, mercury, and other materials. Compliance status is determined by application regulatory requirements and procurement specifications.
Q: Can I use ACPL-M49T variants interchangeably with ACPL-M43T models? A: ACPL-M49T models provide identical isolation voltage (4000Vrms), output voltage, and channel configuration. However, turn-on/turn-off timing specifications are not listed for M49T variants. Electrical compatibility exists; timing-sensitive applications require detailed datasheet comparison.
Q: What output voltage limitation exists when substituting with Broadcom alternatives? A: The PS8101-V-A supports 35V maximum output, while ACPL-M43 and ACPL-M49 series support 20V maximum, and ACPL-M50L series support 24V maximum. Applications requiring output voltages exceeding substitute part ratings cannot use these components.
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