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NXP Semiconductors BTA312-600B/DG,127
- Part No.:
- BTA312-600B/DG,127
- Manufacturer:
- NXP Semiconductors
- Category:
- TRIACs
- Package:
- TO-220-3
- Datasheet:
-
BTA312-600B/DG,127.pdf
- Description:
- TRIAC 600V 12A TO220AB
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
BTA312-600B/DG,127 from NXP Semiconductors is a planar passivated 3-quadrant high-commutation triac in TO-220AB (SOT78) package, rated for 600 V repetitive peak off-state voltage, 12 A RMS on-state current, and 100 A non-repetitive peak on-state current at 20 ms - designed for snubberless operation in high dV/dt/dI/dt AC power control circuits such as motor drives and electronic thermostats.
For engineers reviewing the BTA312-600B/DG,127 datasheet, BTA312-600B/DG,127 pinout, BTA312-600B/DG,127 application, or BTA312-600B/DG,127 equivalent, key selection criteria include snubberless commutation capability at 125 °C junction temperature, three-quadrant triggering for noise immunity, gate trigger current ≤50 mA across all quadrants, and thermal resistance of 1.5 K/W (junction-to-mounting base).
Technical Context
This triac operates exclusively in quadrants I, II, and III - excluding quadrant IV - delivering enhanced immunity to false turn-on from rapid voltage transients. Its planar passivation ensures ruggedness against surface leakage and long-term reliability under high-humidity or contaminated environments.
The device achieves snubberless commutation up to full 12 A RMS load at maximum rated junction temperature (125 °C), enabled by high dV/dt immunity (min 1000 V/µs at 125 °C) and robust dIcom/dt rating (30 A/ms under snubberless conditions). Gate triggering is validated for T2+/G+, T2+/G−, and T2−/G− configurations with consistent IGT ≤50 mA at 25 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDRM | 600 V - blocks 600 V repetitive AC line voltage without conduction; suitable for 230 VAC mains with safety margin. |
| IT(RMS) | 12 A - delivers continuous 12 A RMS load current at mounting base ≤100 °C; enables direct heatsink mounting in compact motor controls. |
| ITSM | 100 A (20 ms) - withstands 100 A surge for 20 ms; supports high-inrush loads like vacuum cleaner motors or solenoid actuation. |
| dV/dt | 1000 V/µs min at 125 °C - prevents false triggering during fast line transients; eliminates need for RC snubber in many designs. |
| Rth(j-mb) | 1.5 K/W - low thermal resistance from junction to mounting base; allows efficient heat transfer to external heatsink. |
| VT | 1.3 V typ at 15 A / 25 °C - low on-state voltage reduces conduction losses and self-heating in high-duty-cycle applications. |
| IGT | ≤50 mA max across all three triggering quadrants - ensures reliable gate drive with standard microcontroller GPIO or optocoupler outputs. |
Pinout & Package
Package: TO-220AB (SOT78), plastic single-ended package with heatsink-mounted metal tab (T2), 3 leads, and 1 mounting hole. Mounting base serves as main terminal 2 (T2) and primary thermal path.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | T1 | Main terminal 1 - connects to load side of AC circuit; current flows between T1 and T2 when triggered. |
| 2 | T2 | Main terminal 2 - electrically connected to mounting base; serves as both current path and primary thermal interface to heatsink. |
| 3 | G | Gate - controls conduction onset; requires ≤50 mA trigger current in QI, QII, or QIII; no triggering in QIV. |
Key Features
| Feature | Design Value |
|---|---|
| 3Q triggering only | Eliminates quadrant IV sensitivity - improves noise immunity in EMI-prone industrial environments. |
| Snubberless commutation | Guaranteed at full 12 A RMS and 125 °C junction temperature - reduces BOM count and PCB area. |
| Planar passivation | Prevents surface leakage and corrosion-induced failure - extends lifetime in humid or dusty HVAC systems. |
| High dV/dt immunity | 1000 V/µs minimum at 125 °C - suppresses false turn-on during zero-crossing switching or lightning-induced surges. |
| Low IGT variation | ≤50 mA max across all three quadrants - simplifies gate driver design with single resistor or optocoupler configuration. |
Applications
| Electronic Thermostats | Washing Machine Motor Control |
|---|---|
|
Use Scenario: AC-powered heating/cooling cycle control in residential and commercial HVAC units. IC Role / Device Role / Timing Role: Main AC power switch enabling precise on/off control of resistive heaters or compressor contactors. Use Value: Snubberless operation avoids extra components; 600 V VDRM accommodates 230 VAC + transients; 12 A rating covers typical thermostat load ranges. |
Use Scenario: Speed and direction control of universal motors in washing machine drum drives. IC Role / Device Role / Timing Role: Phase-angle controlled AC switch regulating motor torque and RPM via firing angle adjustment. Use Value: High dIcom/dt (30 A/ms) ensures clean commutation during rapid motor reversals; 100 A ITSM handles startup surges. |
| DC Solenoid Power Control | Vacuum Cleaner Motor Drive |
|
Use Scenario: Rectifier-fed inductive DC solenoid activation in industrial valves and locking mechanisms. IC Role / Device Role / Timing Role: AC input switch feeding bridge rectifier; controls DC solenoid energization timing and duration. Use Value: Three-quadrant operation prevents false triggering from rectifier reverse recovery spikes; 1.3 V VT minimizes power loss in duty-cycled solenoids. |
Use Scenario: High-power universal motor switching in domestic vacuum cleaners with variable suction control. IC Role / Device Role / Timing Role: Primary AC power switch modulated via phase-cut dimming for user-adjustable motor speed. Use Value: 125 °C max junction temperature and 1.5 K/W Rth(j-mb) enable sustained high-speed operation without thermal derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triac-based AC power control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STMicroelectronics BTB12-600BW | 12 A RMS, 600 V, 4-pin TO-220 package with insulated tab; higher IGT (max 100 mA) and lower dV/dt (800 V/µs). | Requires insulated mounting hardware; less suitable for direct heatsink coupling without isolation pad. | Select when electrical isolation between heatsink and circuit ground is mandatory. |
| ON Semiconductor MAC12N6G | 12 A RMS, 600 V, 3-pin TO-220; 4Q operation; lower dV/dt immunity (500 V/µs) and no snubberless commutation spec at 125 °C. | Supports quadrant IV triggering but lacks guaranteed snubberless performance at elevated temperature. | Select only for cost-sensitive, non-critical applications where ambient temperature remains <85 °C. |
Compared with BTB12-600BW and MAC12N6G, the BTA312-600B/DG,127 provides superior snubberless commutation assurance at 125 °C and tighter gate trigger consistency across quadrants - critical for thermally constrained, high-reliability motor control designs.
Availability
BTA312-600B/DG,127 is available at Aetrix Electronics and suitable for electronic thermostats, washing machine motor controls, and rectifier-fed DC solenoid applications requiring stable component supply, long-lifecycle support, and traceable sourcing for industrial OEM production.
Supply support for BTA312-600B/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, automotive electronics, and power management ICs.
The BTA312-600B/DG,127 belongs to NXP's Hi-Com Triac product line - engineered specifically for snubberless, high-noise-immunity AC power switching in white goods, HVAC, and industrial controls.
FAQ
What is the maximum junction temperature rating for the BTA312-600B/DG,127?
The BTA312-600B/DG,127 has a maximum junction temperature (Tj) of 125 °C. This rating is validated for snubberless commutation at full 12 A RMS current, and thermal design must ensure the mounting base temperature stays ≤100 °C to maintain safe operation. The BTA312-600B/DG,127 datasheet specifies Rth(j-mb) = 1.5 K/W for full-cycle conduction, enabling accurate heatsink sizing.
Does the BTA312-600B/DG,127 support quadrant IV triggering?
No, the BTA312-600B/DG,127 is a 3-quadrant (3Q) triac and does not trigger in quadrant IV (T2−/G+). It operates only in quadrants I (T2+/G+), II (T2+/G−), and III (T2−/G−). This design choice enhances noise immunity by eliminating sensitivity to gate-positive transients during T2-negative half-cycles - a key feature confirmed in the NXP datasheet section 1.2.
What is the non-repetitive peak on-state current rating for the BTA312-600B/DG,127 at 16.7 ms?
The BTA312-600B/DG,127 supports a non-repetitive peak on-state current (ITSM) of 110 A at pulse width tp = 16.7 ms (one 60 Hz half-cycle), per Table 4 in the official NXP datasheet. This exceeds the 100 A rating at 20 ms and confirms robust surge handling for motor startup and solenoid pull-in events.
Is a snubber circuit required when using the BTA312-600B/DG,127?
No snubber circuit is required for the BTA312-600B/DG,127 under specified operating conditions: it commutates the full 12 A RMS current at 125 °C junction temperature without external snubbing. This snubberless capability is enabled by its high dV/dt (≥1000 V/µs) and dIcom/dt (30 A/ms) ratings, explicitly stated in the "General description" and "Limiting values" sections of the NXP datasheet.
What is the thermal resistance from junction to mounting base for the BTA312-600B/DG,127?
The thermal resistance from junction to mounting base (Rth(j-mb)) for the BTA312-600B/DG,127 is 1.5 K/W for full-cycle conduction, as specified in Table 5 of the NXP datasheet. This value applies when the device is mounted to a heatsink with proper mechanical contact and thermal interface material, and directly determines allowable power dissipation at a given mounting base temperature.
BTA312-600B/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:
- 600 V
- Current - On State (It (RMS)) (Max):
- 12 A
- Voltage - Gate Trigger (Vgt) (Max):
- 1.5 V
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 95A, 105A
- Current - Gate Trigger (Igt) (Max):
- 50 mA
- Current - Hold (Ih) (Max):
- 60 mA
- Configuration:
- Single
- Operating Temperature:
- 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220AB
BTA312-600B/DG,127 FAQ
1.How can I place an order for BTA312-600B/DG,127 through Aetrix?
Please submit a Request for Quotation (RFQ) for BTA312-600B/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 BTA312-600B/DG,127 reliable?
The price and inventory of BTA312-600B/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 BTA312-600B/DG,127 is usually 5 days.
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We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BTA312-600B/DG,127 transactions.
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4.How is shipping managed for BTA312-600B/DG,127?
BTA312-600B/DG,127 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BTA312-600B/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 BTA312-600B/DG,127?
For technical support, including BTA312-600B/DG,127 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BTA312-600B/DG,127 requirements.
6.How does Aetrix verify that BTA312-600B/DG,127 is sourced from the original manufacturer or authorized distributors?
All BTA312-600B/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 BTA312-600B/DG,127 meets industry standards.
7.What is the process for return or replacement of BTA312-600B/DG,127?
All BTA312-600B/DG,127 units undergo pre-shipment inspection (PSI). If there is an issue with BTA312-600B/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 BTA312-600B/DG,127 part is unused and in its original packaging.
Return procedure for BTA312-600B/DG,127:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BTA312-600B/DG,127 Tags
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