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NXP Semiconductors BTA204-800C/DG,127
- Part No.:
- BTA204-800C/DG,127
- Manufacturer:
- NXP Semiconductors
- Category:
- TRIACs
- Package:
- TO-220-3
- Datasheet:
-
BTA204-800C/DG,127.pdf
- Description:
- TRIAC 800V 4A TO220AB
- Quantity:
- Payment:
- Shipping:
Inventory:5,000
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Product details
Overview
BTA204-800C/DG,127 from NXP Semiconductors is a planar passivated three-quadrant (3Q) high-commutation triac in TO-220AB (SOT78) package, designed for snubberless AC switching in noisy industrial environments. It delivers 4 A RMS on-state current, 800 V repetitive peak off-state voltage, and commutates full rated current at 125 °C junction temperature without external snubbers - ideal for universal motor control in home appliances.
For engineers reviewing the BTA204-800C/DG,127 datasheet, BTA204-800C/DG,127 pinout, BTA204-800C/DG,127 application, or BTA204-800C/DG,127 equivalent, key selection criteria include dV/dt immunity (1000 V/µs), 3Q triggering for noise robustness, gate trigger current ≤35 mA across all quadrants, and thermal resistance of 3 K/W (junction-to-mounting base).
Technical Context
This triac uses three-quadrant (T2+, G−; T2+, G+; T2−, G−) triggering only - eliminating quadrant IV operation to suppress false turn-on from electromagnetic interference. Its planar passivation ensures voltage ruggedness up to 800 V VDRM and stable performance at Tj = 125 °C.
The device achieves snubberless commutation via high dIcom/dt capability (3 A/ms) and intrinsic immunity to dynamic dV/dt stress (1000 V/µs at 125 °C), enabling direct replacement of legacy 4Q triacs in rectifier-fed DC inductive loads like solenoids and brushed DC motors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDRM | 800 V - blocks full mains voltage surges in 230 VAC systems without breakdown |
| IT(RMS) | 4 A - supports continuous load current up to 4 A with mounting base ≤107 °C |
| ITSM | 25 A (20 ms) - withstands short-circuit surges typical in motor startup or solenoid energization |
| dV/dt | 1000 V/µs - prevents false triggering under fast transient noise common in industrial EMI environments |
| IGT | ≤35 mA - low, consistent gate drive requirement across all three active quadrants |
| Rth(j-mb) | 3 K/W - enables efficient heatsinking to maintain safe junction temperature under full load |
| VGT | 0.7–1.5 V (25 °C) - ensures reliable turn-on with standard logic-level gate drivers |
Pinout & Package
Package: TO-220AB (SOT78), plastic single-ended package with heatsink-mounted mounting base (Pin 2/T2 serves as both main terminal and thermal path). Dimensions: 15.2–16.0 mm length, 9.7–10.3 mm width, 3.5–3.8 mm height; 1 mounting hole; 3 leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | T1 | Main terminal 1 - AC line or load connection point; carries full switched current |
| 2 | T2 | Main terminal 2 - also functions as mounting base; primary thermal conduction path to heatsink |
| 3 | G | Gate - controls conduction onset; accepts ≤35 mA trigger current in three quadrants only |
Key Features
| Feature | Design Value |
|---|---|
| 3Q triggering architecture | Eliminates quadrant IV operation to reduce EMI-induced false turn-on in noisy appliance environments |
| Snubberless commutation | Commutates full 4 A RMS at 125 °C junction temperature without external RC snubber network |
| High dV/dt immunity | 1000 V/µs rating at 125 °C ensures stable blocking during fast transients in motor drive circuits |
| Planar passivated die | Enhances long-term voltage reliability and reduces leakage drift over temperature and time |
| Low and uniform IGT | ≤35 mA max across T2+/G+, T2+/G−, and T2−/G− quadrants simplifies gate driver design |
Applications
| Universal Motor Control | Home Appliance Power Switching |
|---|---|
Use Scenario: Speed-controlled universal motors in vacuum cleaners and power tools operating from 115/230 VAC mains. IC Role / Device Role / Timing Role: Snubberless AC phase-control switch regulating average power delivered to motor windings. Use Value: Enables compact, cost-effective motor speed control without snubber components while maintaining EMI compliance. |
Use Scenario: On/off and cycle control of heating elements and motors in washing machines, dishwashers, and microwaves. IC Role / Device Role / Timing Role: High-reliability AC load switch interfacing microcontroller GPIOs to 230 VAC loads. Use Value: Delivers 4 A RMS switching with 1000 V/µs dV/dt immunity, reducing false triggers from compressor or pump back-EMF. |
| Rectifier-Fed DC Inductive Loads | Industrial Solenoid & Actuator Control |
Use Scenario: Controlling DC motors and solenoids powered by bridge-rectified AC supplies in HVAC dampers and vending machines. IC Role / Device Role / Timing Role: Bidirectional AC switch feeding uncontrolled rectifier to generate regulated DC bus voltage. Use Value: Supports snubberless commutation of inductive kickback due to 3 A/ms dIcom/dt rating and 25 A surge current capability. |
Use Scenario: High-cycle-duty solenoid valves in irrigation controllers and pneumatic systems requiring silent, jitter-free actuation. IC Role / Device Role / Timing Role: Zero-crossing or phase-angle controlled AC switch driving rectified solenoid coils. Use Value: 3Q architecture minimizes audible buzz and contact wear by suppressing quadrant IV turn-on during zero-cross transitions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triac switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STMicroelectronics BTB20-800CW | Same 800 V VDRM and 4 A IT(RMS), but 4-quadrant; higher IGT (50 mA typ); TO-220 package with insulated tab | Supports full 4Q triggering - useful where gate polarity flexibility is required, but less noise-immune than BTA204-800C/DG,127 | Select when gate drive polarity varies or insulation from heatsink is mandatory; avoid if EMI immunity is critical |
| ON Semiconductor MAC212A8G | Lower VDRM (600 V); same 4 A IT(RMS); 3Q; TO-220AB; IGT ≤50 mA; dV/dt = 600 V/µs | Suitable for 120 VAC-only systems; reduced voltage margin limits use in 230 VAC global designs | Use only in North American 120 VAC applications with derated voltage margin; not drop-in for 230 VAC mains |
Compared with BTB20-800CW and MAC212A8G, the BTA204-800C/DG,127 provides superior 1000 V/µs dV/dt immunity and guaranteed snubberless operation at 125 °C - making it the preferred choice for noise-prone, thermally constrained 230 VAC motor control where reliability trumps gate polarity flexibility.
Availability
BTA204-800C/DG,127 is available at Aetrix Electronics and suitable for universal motor control, home appliance power switching, and rectifier-fed DC inductive load applications requiring stable component supply, long-lifecycle support, and traceable sourcing.
Supply support for BTA204-800C/DG,127 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 BTA204-800C/DG,127 belongs to NXP's Hi-Com triac product line, engineered specifically for snubberless, high-noise-immunity AC power control in cost-sensitive, thermally demanding applications such as white goods and power tools.
FAQ
What is the maximum junction temperature rating for the BTA204-800C/DG,127?
The BTA204-800C/DG,127 has a maximum junction temperature (Tj) rating of 125 °C, verified per IEC 60134 limiting values. This allows full 4 A RMS conduction at elevated ambient temperatures when mounted on a heatsink maintaining Tmb ≤107 °C, as shown in Figure 1 of the datasheet.
Does the BTA204-800C/DG,127 require a snubber circuit for reliable operation?
No - the BTA204-800C/DG,127 is explicitly characterized for snubberless commutation. It commutates the full 4 A RMS rated current at 125 °C junction temperature without external snubbers, thanks to its high dIcom/dt (3 A/ms) and dV/dt (1000 V/µs) ratings under specified conditions.
Which quadrants does the BTA204-800C/DG,127 support for triggering?
The BTA204-800C/DG,127 supports triggering only in three quadrants: T2+ G+, T2+ G−, and T2− G−. Quadrant IV (T2− G+) is intentionally disabled to improve noise immunity - a defining feature of its "Series C" 3Q Hi-Com architecture.
What is the thermal resistance from junction to mounting base for the BTA204-800C/DG,127?
The thermal resistance from junction to mounting base (Rth(j-mb)) for the BTA204-800C/DG,127 is 3 K/W for full-cycle conduction, as specified in Table 5. This value enables effective heat transfer to an external heatsink and is critical for sustaining 4 A RMS operation at high ambient temperatures.
Can the BTA204-800C/DG,127 be used in 230 VAC mains applications?
Yes - the BTA204-800C/DG,127 is rated for 800 V repetitive peak off-state voltage (VDRM), providing sufficient margin for 230 VAC mains (peak ≈ 325 V) including transients and surges. Its 1000 V/µs dV/dt immunity further ensures robust operation in real-world 230 VAC environments.
BTA204-800C/DG,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):
- 4 A
- Voltage - Gate Trigger (Vgt) (Max):
- 1.5 V
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 25A, 27A
- Current - Gate Trigger (Igt) (Max):
- 35 mA
- Current - Hold (Ih) (Max):
- 20 mA
- Configuration:
- Single
- Operating Temperature:
- 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220AB
BTA204-800C/DG,127 FAQ
1.How can I place an order for BTA204-800C/DG,127 through Aetrix?
Please submit a Request for Quotation (RFQ) for BTA204-800C/DG,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 BTA204-800C/DG,127 reliable?
The price and inventory of BTA204-800C/DG,127 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BTA204-800C/DG,127 is usually 5 days.
3.What payment methods are accepted for BTA204-800C/DG,127?
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BTA204-800C/DG,127 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BTA204-800C/DG,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 BTA204-800C/DG,127?
For technical support, including BTA204-800C/DG,127 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BTA204-800C/DG,127 requirements.
6.How does Aetrix verify that BTA204-800C/DG,127 is sourced from the original manufacturer or authorized distributors?
All BTA204-800C/DG,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 BTA204-800C/DG,127 meets industry standards.
7.What is the process for return or replacement of BTA204-800C/DG,127?
All BTA204-800C/DG,127 units undergo pre-shipment inspection (PSI). If there is an issue with BTA204-800C/DG,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 BTA204-800C/DG,127 part is unused and in its original packaging.
Return procedure for BTA204-800C/DG,127:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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