ACS108-6SA-TR STMicroelectronics Integrated Circuit (Other) In Stock
STMicroelectronics ACS108-6SA-TR is a 600V, 450mA alternistor triac in a TO-92 package supplied on tape-and-reel for automated PCB assembly, enabling efficient AC load switching with 10mA gate trigger current. Available in stock for worldwide fast shipping.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 3
- Lifecycle
- END OF LIFE
- Datasheet
- ACS108-6SA-TR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1570(MOQ 1)
- 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-TR?
- 600V repetitive peak off-state voltage for direct 120V and 230V AC mains interface
- Tape-and-reel (TR) packaging optimized for high-volume pick-and-place automated assembly lines
- 10mA maximum gate trigger current with 1V gate threshold enabling microcontroller or optocoupler direct drive
What is ACS108-6SA-TR used for?
The ACS108-6SA-TR is designed for high-volume production of AC load controllers such as lamp dimmers, fan speed regulators, and home appliance motor switches where tape-and-reel packaging reduces assembly cost on SMT lines. Operating at up to 450mA and 600V, it suits smart home relay-replacement modules, thermostat output stages, and low-power solid-state relay designs running on 50Hz or 60Hz mains.
What are the specifications of ACS108-6SA-TR?
| 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-TR datasheet?
ACS108-6SA-TR Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for ACS108-6SA-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What does the -TR suffix mean for ACS108-6SA-TR, and how does it affect ordering for automated assembly?
The -TR suffix denotes tape-and-reel packaging, typically supplied in reels of 3000 units for TO-92 devices, enabling automated pick-and-place insertion on PCB assembly lines. Compared to bulk or ammo-pack variants, the -TR format reduces manual handling time and is mandatory for most high-volume contract manufacturers requiring IPC-7711 compliant component feeding.
Which gate drive circuit is recommended to trigger the ACS108-6SA-TR from a 5V microcontroller output?
With a maximum gate trigger current of 10mA and gate threshold voltage of 1V, a simple 390-ohm series resistor between a 5V GPIO and the ACS108-6SA-TR gate provides approximately 10mA drive, sufficient to trigger all 4 quadrants reliably. For noise immunity in inductive load environments, adding a 100-ohm resistor between gate and MT1 (main terminal 1) prevents false triggering from dV/dt transients above 50V per microsecond.
How does ACS108-6SA-TR performance compare to a mechanical relay for switching a 230V, 100W resistive load?
At 230V AC and 100W load (approximately 435mA), the ACS108-6SA-TR operates within its 450mA RMS rating with negligible margin; a 600mA or 800mA triac would provide better headroom. Unlike a mechanical relay, it offers zero-bounce switching, silent operation, and unlimited cycle life, but adds a conduction voltage drop of about 1V resulting in roughly 450mW power dissipation that requires thermal management via the TO-92 lead frame.
Is ACS108-6SA-TR suitable for phase-angle dimming of a 230V incandescent lamp, and what snubber values are needed?
Yes, the ACS108-6SA-TR is appropriate for phase-angle dimming of incandescent lamps up to approximately 100W on 230V AC within its 450mA rating. A standard RC snubber of 100-ohm in series with 10nF across the triac (MT1 to MT2) suppresses commutation dV/dt spikes and prevents spurious turn-on, keeping the rate of voltage rise below the critical dV/dt threshold of approximately 50V per microsecond specified in the ACS108 datasheet.
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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 |
|---|---|---|
| 1+ | $0.3890 | $0.39 |
| 10+ | $0.3860 | $3.86 |
| 500+ | $0.3300 | $165.00 |
| 16000+ | $0.1628 | $2605.44 |
| 32000+ | $0.1599 | $5116.16 |
| 64000+ | $0.1570 | $10049.28 |
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