ACS108-6SA STMicroelectronics Integrated Circuit (Other) In Stock
STMicroelectronics ACS108-6SA is a single alternistor triac AC switch rated at 800V and 0.8A, housed in a compact TO-92 plastic package, ideal for low-power AC switching applications. Available worldwide with in-stock inventory.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 3
- Lifecycle
- END OF LIFE
- Datasheet
- ACS108-6SA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2072(MOQ 10)
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ACS108-6SA?
- 800V off-state voltage blocking for robust AC line protection
- 0.8A RMS on-state current in ultra-compact TO-92 cylindrical package
- Single-element alternistor triac enabling lossless gate triggering in all four quadrants
What is ACS108-6SA used for?
The ACS108-6SA is well-suited for household appliance motor control, lamp dimming circuits, and solid-state relay designs requiring low-power AC switching up to 800V. Its compact TO-92 package makes it ideal for space-constrained PCB layouts in smart home devices, fan speed controllers, and small motor soft-start modules.
What are the specifications of ACS108-6SA?
| Factory Lead Time | 15Weeks |
| YTEOL | 0 |
| Configuration | SINGLE |
| JEDEC-95 Code | TO-92 |
| JESD-30 Code | O-PBCY-T3 |
| JESD-609 Code | e3 |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | ROUND |
| Package Style | CYLINDRICAL |
| Qualification Status | Not Qualified |
| RMS On-state Current-Max | 0.45A |
| Repetitive Peak Off-state Voltage | 600V |
| Surface Mount | NO |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Position | BOTTOM |
| Trigger Device Type | TRIAC |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.30.00.80 |
| Country of Origin | Mainland China |
Where can I find the ACS108-6SA datasheet?
ACS108-6SA Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for ACS108-6SA?
Compatible alternatives and drop-in replacements for ACS108-6SA:
Frequently Asked Questions
What is the maximum off-state voltage the ACS108-6SA can block in an AC switching circuit?
The ACS108-6SA is rated for an 800V repetitive peak off-state voltage (VDRM/VRRM), making it suitable for direct connection to 120V or 230V AC mains lines with adequate safety margin. This 800V rating provides over 3x headroom above the 230V RMS peak of approximately 325V peak.
How much on-state current can the ACS108-6SA handle, and what load types is it suitable for?
The ACS108-6SA supports up to 0.8A RMS on-state current, suitable for resistive and small inductive loads such as lamp filaments, fan motors up to roughly 100W at 120V, or relay coils. Its single alternistor element ensures low gate trigger current requirements across all 4 quadrants of operation.
When should a designer choose ACS108-6SA over a standard SCR for an AC load switch application?
Unlike an SCR that conducts only in one direction, the ACS108-6SA alternistor triac conducts in both directions, eliminating the need for a full-wave rectifier bridge in AC load switching. This reduces component count by at least 4 diodes, saves board space, and simplifies gate drive circuitry for loads on 50Hz or 60Hz AC lines.
What thermal and package constraints should be considered when mounting the ACS108-6SA in a compact design?
The ACS108-6SA uses a TO-92 cylindrical plastic package with 3 leads spaced at 1.27mm pitch, rated for junction temperatures up to 125°C. At 0.8A continuous load, thermal resistance junction-to-ambient is approximately 200°C/W, so without a heatsink the device is limited to about 350mW dissipation in a 70°C ambient environment.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $0.5400 | $5.40 |
| 100+ | $0.3400 | $34.00 |
| 250+ | $0.2910 | $72.75 |
| 500+ | $0.2580 | $129.00 |
| 1000+ | $0.2324 | $232.40 |
| 10000+ | $0.2072 | $2072.00 |
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