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Home > Products > Discrete Semiconductor Products > Thyristors > TRIACs

NXP Semiconductors BTA410-800CT,127

Name: BTA410-800CT,127
Brand: NXP Semiconductors
SKU: BTA410-800CT,127
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BTA410-800CT,127

Manufacturer:: NXP Semiconductors

Category:: TRIACs

Package:: TO-220-3

Datasheet:: BTA410-800CT,127.pdf

Description:: TRIAC 800V 10A TO220AB

Quantity:: RFQ Add To RFQ list

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Product details

Overview

BTA410-800CT from NXP Semiconductors is a planar passivated, three-quadrant (3Q) high-commutation triac in TO-220AB (SOT78) package, rated for 800 V repetitive peak off-state voltage, 10 A RMS on-state current, and 150 °C maximum junction temperature. It commutates full RMS current at T_j(max) without snubber, enabling robust AC power control in thermally demanding motor and heating applications.

For engineers reviewing the BTA410-800CT datasheet, BTA410-800CT pinout, BTA410-800CT application, or BTA410-800CT equivalent, key selection criteria include snubberless commutation capability at 150 °C, 500 V/µs dV/dt immunity, 8 A/ms dI_com/dt rating, gate trigger current ≤35 mA across all three triggering quadrants, and thermal resistance of 1.5 K/W (junction-to-mounting-base).

Technical Context

This triac uses three-quadrant (T2+, G+; T2+, G−; T2−, G−) triggering only-excluding Q1 (T2−, G+)-to suppress false turn-on from noise and improve EMI immunity. Its planar passivation ensures voltage ruggedness, while the 3Q architecture inherently reduces sensitivity to gate noise and transient dV/dt.

Designed for snubberless operation, the BTA410-800CT sustains commutation at full 10 A RMS load up to 150 °C junction temperature, with validated dI_com/dt of 8 A/ms under 400 V, 20 V/µs dV_com/dt, and gate-open conditions-meeting stringent requirements for inductive load switching in compact, thermally constrained designs.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DRM	800 V - blocks 800 V repetitive AC peak voltage, suitable for 230 VAC mains with safety margin
I_T(RMS)	10 A - delivers continuous 10 A RMS current at mounting base ≤131 °C, enabling direct heatsink mounting
T_j(max)	150 °C - operates reliably at junction temperatures up to 150 °C, eliminating need for derating in high-ambient environments
dV/dt	500 V/µs - withstands rapid voltage transients without false triggering, critical for noisy industrial AC lines
dI_com/dt	8 A/ms - commutates 10 A RMS inductive loads without snubber at 150 °C, reducing BOM count and board space
R_th(j-mb)	1.5 K/W - enables efficient heat transfer to heatsink, supporting high-power density in compact enclosures
I_GT	≤35 mA - low gate drive requirement across all three active quadrants, compatible with standard microcontroller GPIO or optocoupler outputs

Pinout & Package

Package: TO-220AB (SOT78), plastic single-ended package with heatsink-mounted mounting base (terminal 2), 3-lead configuration, and 1 mounting hole.

Pin/Terminal	Circuit Role	Design Meaning
1	T1	Main terminal 1 - carries load current; electrically isolated from mounting base for flexible PCB layout
2	T2 / mb	Main terminal 2 and mounting base - serves as both current path and mechanical heatsink interface; must be electrically connected to heatsink
3	G	Gate - controls triac conduction; triggers in three quadrants only (T2+, G+; T2+, G−; T2−, G−), rejecting Q1 noise

Key Features

Feature	Design Value
Three-quadrant (3Q) triggering	Eliminates Q1 (T2−, G+) triggering to reduce susceptibility to gate noise and EMI-induced false turn-on
Snubberless commutation	Commutates full 10 A RMS at 150 °C junction temperature without external RC snubber, simplifying design and improving reliability
High dV/dt immunity	500 V/µs rating ensures stable blocking during fast transients on 230 VAC or 400 VAC lines, even at elevated temperature
Planar passivated structure	Enhances voltage ruggedness and long-term reliability under repeated surge stress and humidity exposure
High junction temperature capability	Rated to 150 °C T_j, allowing operation in sealed enclosures or near heat sources without forced cooling

Applications

Electronic Thermostats	Washing Machine Motor Control
Use Scenario: Solid-state switching of resistive heating elements and Peltier coolers in HVAC and climate control units operating in ambient temperatures up to 70 °C. IC Role / Device Role / Timing Role: Main AC power switch controlling heater/cooler duty cycle via phase-angle or zero-crossing dimming. Use Value: Snubberless operation eliminates RC network, reducing component count and failure points; 150 °C T_j rating ensures stability during sustained high-temperature operation.	Use Scenario: Bidirectional AC motor speed and direction control in drum and pump motors subjected to frequent start-stop cycles and high inrush currents. IC Role / Device Role / Timing Role: High-dI/dt triac enabling precise phase-controlled AC power delivery to universal motors. Use Value: 8 A/ms dI_com/dt and 100 A I_TSM support reliable commutation of inductive motor loads without snubber, extending motor life and reducing audible noise.
Vacuum Cleaner Motor Drive	DC Inductive Load Rectifier Interface
Use Scenario: Compact, fan-cooled vacuum cleaner with variable-speed universal motor requiring high-efficiency, low-noise AC switching in space-constrained housing. IC Role / Device Role / Timing Role: Primary AC line switch modulating motor power via leading-edge phase control. Use Value: 3Q architecture minimizes gate noise coupling during brush-commutator arcing; TO-220AB package allows direct heatsink attachment in tight chassis layouts.	Use Scenario: Controlling DC solenoids and brushed DC motors fed from rectified AC, where reverse recovery and commutation stresses challenge standard SCRs. IC Role / Device Role / Timing Role: Triac-based AC input switch preceding bridge rectifier, managing inrush and load transients before DC stage. Use Value: High dI_com/dt and snubberless capability prevent false turn-off during rectifier reverse recovery spikes, ensuring clean DC output and reduced EMI.

Electronic Thermostats

Washing Machine Motor Control

Use Scenario: Solid-state switching of resistive heating elements and Peltier coolers in HVAC and climate control units operating in ambient temperatures up to 70 °C.

IC Role / Device Role / Timing Role: Main AC power switch controlling heater/cooler duty cycle via phase-angle or zero-crossing dimming.

Use Value: Snubberless operation eliminates RC network, reducing component count and failure points; 150 °C T_j rating ensures stability during sustained high-temperature operation.

Use Scenario: Bidirectional AC motor speed and direction control in drum and pump motors subjected to frequent start-stop cycles and high inrush currents.

IC Role / Device Role / Timing Role: High-dI/dt triac enabling precise phase-controlled AC power delivery to universal motors.

Use Value: 8 A/ms dI_com/dt and 100 A I_TSM support reliable commutation of inductive motor loads without snubber, extending motor life and reducing audible noise.

Vacuum Cleaner Motor Drive

DC Inductive Load Rectifier Interface

Use Scenario: Compact, fan-cooled vacuum cleaner with variable-speed universal motor requiring high-efficiency, low-noise AC switching in space-constrained housing.

IC Role / Device Role / Timing Role: Primary AC line switch modulating motor power via leading-edge phase control.

Use Value: 3Q architecture minimizes gate noise coupling during brush-commutator arcing; TO-220AB package allows direct heatsink attachment in tight chassis layouts.

Use Scenario: Controlling DC solenoids and brushed DC motors fed from rectified AC, where reverse recovery and commutation stresses challenge standard SCRs.

IC Role / Device Role / Timing Role: Triac-based AC input switch preceding bridge rectifier, managing inrush and load transients before DC stage.

Use Value: High dI_com/dt and snubberless capability prevent false turn-off during rectifier reverse recovery spikes, ensuring clean DC output and reduced EMI.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-commutation triac applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STMicroelectronics BTB16-800CW	16 A RMS rating, 4-pin TO-220 package (T2 isolated), higher I_T(RMS) but larger footprint and no 3Q-only gate architecture	Preferred for higher-current motor drives (>12 A); less noise-immune due to 4Q triggering	Select when higher current headroom is required and gate noise immunity is secondary to power handling
ON Semiconductor MAC10N800	10 A RMS, 800 V, but 4Q triggering and lower dV/dt (200 V/µs); TO-220AB package with same pinout	Suitable for cost-sensitive, non-noisy environments; not recommended for high-dV/dt or high-T_j applications	Choose only if 3Q noise immunity and snubberless operation are not required, and thermal margin is ample

Compared with BTB16-800CW and MAC10N800, the BTA410-800CT uniquely combines 3Q-only triggering, 500 V/µs dV/dt, and verified snubberless commutation at 150 °C-making it optimal for thermally aggressive, EMI-prone motor and thermostat designs where reliability trumps raw current rating.

Availability

BTA410-800CT is available at Aetrix Electronics and suitable for electronic thermostats, washing machine motor controls, and vacuum cleaner power stages requiring stable component supply, long-lifecycle availability, and consistent parametric performance across production batches.

Supply support for BTA410-800CT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and consumer markets.

The BTA410-800CT belongs to NXP's high-reliability "Hi-Com" triac product line, engineered specifically for snubberless AC power control in thermally demanding, noise-intensive applications such as motor drives and solid-state relays.

FAQ

What is the maximum junction temperature rating for the BTA410-800CT?

The BTA410-800CT has a maximum junction temperature (T_j) rating of 150 °C. This allows the device to operate reliably at full 10 A RMS current without snubber when the mounting base temperature remains at or below 131 °C. The 150 °C rating supports use in sealed enclosures or high-ambient environments where thermal management is constrained, and is validated per IEC 60134 limiting values.

Does the BTA410-800CT require an external snubber circuit?

No, the BTA410-800CT is designed for snubberless operation. It commutates the full 10 A RMS current at its maximum rated junction temperature of 150 °C without requiring an external RC snubber network. This capability is confirmed under specified test conditions: V_D = 400 V, dV_com/dt = 20 V/µs, and gate open circuit-reducing bill-of-materials cost and improving system reliability.

Which quadrants does the BTA410-800CT support for triggering?

The BTA410-800CT is a three-quadrant (3Q) triac and triggers only in Quadrants II (T2+, G−), III (T2−, G−), and IV (T2+, G+). It explicitly excludes Quadrant I (T2−, G+), which improves noise immunity by eliminating the most sensitive triggering mode. Gate trigger current is specified ≤35 mA across all three supported quadrants at 25 °C.

What is the thermal resistance from junction to mounting base for the BTA410-800CT?

The thermal resistance from junction to mounting base (R_th(j-mb)) for the BTA410-800CT is 1.5 K/W under full-cycle conduction conditions. This low value enables efficient heat transfer to an externally mounted heatsink, supporting high-power-density designs. The datasheet also specifies 2.0 K/W for half-cycle operation, reflecting typical usage in phase-controlled AC applications.

Can the BTA410-800CT be used in 400 VAC systems?

The BTA410-800CT has a V_DRM rating of 800 V, making it suitable for use in 400 VAC systems-provided appropriate safety margins, transient protection, and layout practices are applied. Its 500 V/µs dV/dt immunity and snubberless commutation at 150 °C further enhance robustness in industrial 3-phase rectified or high-voltage AC applications where voltage overshoots and thermal stress are common.

BTA410-800CT,127 Specifications

Product attributes: Attribute value

Manufacturer:: NXP Semiconductors

Series:: -

Package/Case:: TO-220-3

Packaging:: Bulk

Product Status:: Active

Triac Type:: Standard

Voltage - Off State:: 800 V

Current - On State (It (RMS)) (Max):: 10 A

Voltage - Gate Trigger (Vgt) (Max):: 1.5 V

Current - Non Rep. Surge 50, 60Hz (Itsm):: 100A, 110A

Current - Gate Trigger (Igt) (Max):: 35 mA

Current - Hold (Ih) (Max):: 35 mA

Configuration:: Single

Operating Temperature:: 125°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220AB

BTA410-800CT,127 FAQ

1.How can I place an order for BTA410-800CT,127 through Aetrix?

Please submit a Request for Quotation (RFQ) for BTA410-800CT,127 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for BTA410-800CT,127 reliable?

The price and inventory of BTA410-800CT,127 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BTA410-800CT,127 is usually 5 days.

3.What payment methods are accepted for BTA410-800CT,127?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BTA410-800CT,127 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BTA410-800CT,127?

BTA410-800CT,127 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BTA410-800CT,127 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for BTA410-800CT,127?

For technical support, including BTA410-800CT,127 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BTA410-800CT,127 requirements.

6.How does Aetrix verify that BTA410-800CT,127 is sourced from the original manufacturer or authorized distributors?

All BTA410-800CT,127 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BTA410-800CT,127 meets industry standards.

7.What is the process for return or replacement of BTA410-800CT,127?

All BTA410-800CT,127 units undergo pre-shipment inspection (PSI). If there is an issue with BTA410-800CT,127, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The BTA410-800CT,127 part is unused and in its original packaging.

Return procedure for BTA410-800CT,127:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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