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Part Details for ACST435-8B by STMicroelectronics
Results Overview of ACST435-8B by STMicroelectronics
- Distributor Offerings: (6 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (7 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
ACST435-8B Information
ACST435-8B by STMicroelectronics is a TRIAC.
TRIACs are under the broader part category of Trigger Devices.
Trigger devices initiate or control actions in electronic circuits by producing output signals when specific input conditions are met. They are commonly used in timing circuits and pulse generators. Read more about Trigger Devices on our Trigger Devices part category page.
Price & Stock for ACST435-8B
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
497-ACST435-8B-ND
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DigiKey | TRIAC 800V 4A DPAK Min Qty: 1 Lead time: 15 Weeks Container: Tube |
2844 In Stock |
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$0.3157 / $1.3800 | Buy Now |
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DISTI #
ACST435-8B
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Avnet Americas | Thyristor TRIAC 800V 32A 3-Pin(2+Tab) DPAK Tube - Rail/Tube (Alt: ACST435-8B) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 15 Weeks, 0 Days Container: Tube | 0 |
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$0.3014 / $0.3184 | Buy Now |
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DISTI #
511-ACST435-8B
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Mouser Electronics | Triacs AC POWER SWITCH 4 AMP LOAD <10 mA RoHS: Compliant | 0 |
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$0.3140 / $1.3800 | Order Now |
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STMicroelectronics | 4 A - 800 V Overvoltage protected AC switch COO: China RoHS: Compliant Min Qty: 1 | 0 |
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$0.4300 / $1.3500 | Buy Now |
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DISTI #
ACST435-8B
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TME | Thyristor: AC switch, 800V, Ifmax: 4A, Igt: 35mA, DPAK, SMD, tube Min Qty: 1 | 0 |
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$0.4060 / $0.7260 | RFQ |
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DISTI #
ACST435-8B
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Avnet Silica | Thyristor TRIAC 800V 32A 3Pin2Tab DPAK Tube (Alt: ACST435-8B) RoHS: Compliant Min Qty: 75 Package Multiple: 75 Lead time: 16 Weeks, 0 Days | Silica - 0 |
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Buy Now |
Part Details for ACST435-8B
ACST435-8B CAD Models
ACST435-8B Part Data Attributes
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ACST435-8B
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
ACST435-8B
STMicroelectronics
4 A - 800 V Overvoltage protected AC switch
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Package Description | PACKAGE-3 | |
| Pin Count | 3 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.30.00.80 | |
| Factory Lead Time | 15 Weeks | |
| Samacsys Manufacturer | STMicroelectronics | |
| Configuration | SINGLE | |
| Critical Rate of Rise of Off-State Voltage-Min | 1000 V/us | |
| DC Gate Trigger Current-Max | 35 mA | |
| DC Gate Trigger Voltage-Max | 1.1 V | |
| Holding Current-Max | 25 mA | |
| JESD-30 Code | R-PSSO-G2 | |
| JESD-609 Code | e3 | |
| Leakage Current-Max | 0.5 mA | |
| Moisture Sensitivity Level | 1 | |
| Number of Elements | 1 | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| RMS On-state Current-Max | 4 A | |
| Repetitive Peak Off-state Voltage | 800 V | |
| Surface Mount | YES | |
| Terminal Finish | Matte Tin (Sn) - annealed | |
| Terminal Form | GULL WING | |
| Terminal Position | SINGLE | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Trigger Device Type | TRIAC |
Alternate Parts for ACST435-8B
This table gives cross-reference parts and alternative options found for ACST435-8B. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of ACST435-8B, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| ACST435-8BTR | STMicroelectronics | $0.7426 | 4 A - 800 V Overvoltage protected AC switch | ACST435-8B vs ACST435-8BTR |
| ACST410-8FP | STMicroelectronics | $0.9639 | 4 A - 800 V Overvoltage protected AC switch | ACST435-8B vs ACST410-8FP |
| ACST830-8T | STMicroelectronics | $0.9829 | Overvoltage protected AC switch | ACST435-8B vs ACST830-8T |
| ACST4-7CFP | STMicroelectronics | Check for Price | Overvoltage protected AC switch | ACST435-8B vs ACST4-7CFP |
| ACST8-8CT | STMicroelectronics | Check for Price | Overvoltage protected AC switch | ACST435-8B vs ACST8-8CT |
| ACST4-7SFP | STMicroelectronics | Check for Price | Overvoltage protected AC switch | ACST435-8B vs ACST4-7SFP |
| ACST435-8FP | STMicroelectronics | Check for Price | 4 A - 800 V Overvoltage protected AC switch | ACST435-8B vs ACST435-8FP |
ACST435-8B Frequently Asked Questions (FAQ)
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STMicroelectronics provides a recommended PCB layout in the application note AN5323, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
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The ACST435-8B has a wide output voltage range (3.3V to 15V) and current capability (up to 1.5A). To select the correct output voltage and current, consider the specific requirements of your load, including voltage tolerance, current consumption, and power dissipation. Consult the datasheet and application notes for guidance on selecting the appropriate output voltage and current settings.
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The EN pin is an active-high enable input that allows you to turn the device on or off. When EN is high, the device is enabled, and when EN is low, the device is disabled. This pin can be used to implement power sequencing, reduce standby power consumption, or enable/disable the device based on system requirements.
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To ensure the device operates within the specified TJ range (-40°C to 150°C), follow proper thermal design and management practices, such as providing adequate heat sinking, using thermal interface materials, and minimizing power dissipation. Consult the datasheet and application notes for thermal management guidelines.
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The ACST435-8B is a high-performance, low-dropout linear voltage regulator with a wide input voltage range (4.5V to 18V) and high output current capability (up to 1.5A). Compared to other similar devices, the ACST435-8B offers a unique combination of high output current, low dropout voltage, and high power supply rejection ratio (PSRR), making it suitable for demanding applications such as industrial, automotive, and consumer electronics.