NXP Semiconductors BTA204W-600F,135
- Part No.:
- BTA204W-600F,135
- Manufacturer:
- NXP Semiconductors
- Category:
- TRIACs
- Package:
- -
- Datasheet:
-
BTA204W-600F,135.pdf
- Description:
- TRIAC 600V 1A SC73
- Quantity:
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Product details
Overview
BTA204W-600F from NXP Semiconductors is a planar passivated three-quadrant high-commutation triac in SOT223 surface-mount package, designed for motor control and highly inductive AC load switching. It delivers 600 V repetitive peak off-state voltage, 1 A RMS on-state current, 10 A non-repetitive peak on-state current, 25 mA maximum gate trigger current, and operates up to 125 °C junction temperature - enabling reliable phase-control in washing machine motor drives and rectifier-fed DC solenoid circuits.
For engineers reviewing the BTA204W-600F datasheet, BTA204W-600F pinout, BTA204W-600F application, or BTA204W-600F equivalent, this page provides verified triac identity, commutation performance metrics, thermal resistance (15 K/W junction-to-solder-point), gate sensitivity data across quadrants, and validated alternatives for inductive load switching designs.
Technical Context
The BTA204W-600F implements three-quadrant (3Q) triggering architecture, accepting gate signals only in Quadrants I, II, and III - excluding QIV - which inherently suppresses false turn-on from noise-induced dV/dt transients. Its planar passivation ensures voltage ruggedness up to 600 V VDRM while maintaining stable latching (≤20 mA) and holding (≤30 mA) currents across –50 °C to 125 °C.
It supports snubberless operation with 2.5 A/ms commutating di/dt capability at 125 °C and 400 V, and achieves 50 V/µs off-state dV/dt immunity under open-gate conditions - critical for reliability in brushed DC motor controllers fed from rectified AC supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDRM | 600 V - blocks full-wave AC line voltages up to 400 V RMS without conduction. |
| IT(RMS) | 1 A - sustains continuous sinusoidal current in motor windings or solenoids with Tsp ≤ 108 °C. |
| ITSM | 10 A (20 ms) - handles short-duration inrush or stall currents in small appliance motors. |
| IGT | ≤25 mA - low gate drive requirement compatible with microcontroller GPIO or optocoupler outputs. |
| dV/dt | 50 V/µs - prevents spurious turn-on during fast voltage transients in noisy industrial environments. |
| Rth(j-sp) | 15 K/W - enables direct thermal coupling to PCB copper pour for passive heatsinking in space-constrained SMT layouts. |
| dIcom/dt | 2.5 A/ms - supports snubberless commutation in rectifier-fed DC inductive loads like solenoids. |
Pinout & Package
SOT223 (SC-73) plastic surface-mounted package with 4 leads: three functional terminals plus mounting base electrically tied to main terminal 2 (T2) for enhanced thermal conduction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Main Terminal 1 (T1) | AC load return path; carries full switched current in both half-cycles when triggered. |
| 2 | Main Terminal 2 (T2) | AC line input path; electrically connected to mounting base (pin 4) for thermal and electrical grounding. |
| 3 | Gate (G) | Control input; triggers conduction in QI, QII, QIII only; requires ≤25 mA at 12 V for reliable turn-on. |
| 4 | Mounting Base (mb) | Thermally conductive pad tied internally to T2; must be soldered to ≥6.3 mm × 3.7 mm copper area per Fig. 7 for Rth(j-sp) = 15 K/W. |
Key Features
| Feature | Design Value |
|---|---|
| 3Q triggering | Eliminates QIV sensitivity, reducing EMI-induced false firing in motor control PCBs near brush noise sources. |
| High dV/dt immunity | 50 V/µs rating allows direct use in unfiltered AC mains interfaces without external snubbers. |
| Planar passivation | Ensures long-term VDRM stability and leakage current < 0.5 mA at 600 V and 125 °C. |
| Snubberless commutation | 2.5 A/ms dIcom/dt capability enables zero-snubber design in rectifier-fed DC solenoid drivers. |
| SOT223 thermal design | 15 K/W Rth(j-sp) permits 1 A RMS operation with minimal copper area - no external heatsink required. |
Applications
| Washing Machine Motor Control | DC Solenoid Driver |
|---|---|
|
Use Scenario: Phase-controlled speed regulation of universal motors in compact front-load washers. IC Role / Device Role / Timing Role: Bidirectional AC switch controlling power delivery to motor windings via zero-crossing synchronized gate pulses. Use Value: 3Q architecture rejects commutation noise from motor brushes, eliminating erratic speed jumps during spin cycles. |
Use Scenario: On/off actuation of 24 V DC solenoids powered by bridge-rectified 120 V AC supply. IC Role / Device Role / Timing Role: High-dV/dt triac replacing mechanical relay to eliminate contact wear and bounce in valve control. Use Value: Snubberless dIcom/dt rating (2.5 A/ms) sustains clean turn-off without voltage spikes damaging downstream rectifier diodes. |
| Small Appliance Fan Speed Control | Inductive Load Dimmer Module |
|
Use Scenario: Low-cost variable-speed fan in HVAC air handlers using resistive+inductive load mix. IC Role / Device Role / Timing Role: Main power switch in leading-edge dimmer topology driving shaded-pole or PSC motors. Use Value: 1 A RMS rating and 10 A ITSM support continuous operation under fan startup surges and locked-rotor conditions. |
Use Scenario: Compact DIN-rail mounted dimmer for 120 V AC magnetic transformers powering low-voltage lighting. IC Role / Device Role / Timing Role: Solid-state replacement for electromechanical contactors in transformer primary-side switching. Use Value: Planar passivation and 600 V VDRM ensure robust operation despite transformer inrush currents and back-EMF transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triac-based inductive load switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STMicroelectronics BT134-600D | 4 A IT(RMS), 4-pin TO-92 package, 50 V/µs dV/dt, 25 mA IGT - higher current but through-hole only. | Requires PCB through-hole layout and larger heatsinking; unsuitable for dense SMT motor control boards. | Select when board-level space allows TO-92 and >1 A RMS load current is needed. |
| ON Semiconductor MAC304A6 | 4 A IT(RMS), SOT-89 package, 600 V VDRM, 35 mA IGT, 100 V/µs dV/dt - higher dV/dt but less gate sensitivity. | Higher gate drive demand may require buffer stage; better for noisy industrial AC lines but less optimal for MCU-direct drive. | Select when system-level dV/dt exceeds 50 V/µs and gate driver circuitry is already present. |
Compared with BT134-600D and MAC304A6, the BTA204W-600F uniquely balances SMT compatibility, 1 A RMS capability, 25 mA gate sensitivity, and 50 V/µs dV/dt in a single thermally optimized SOT223 package - making it the preferred choice for space-constrained, microcontroller-driven motor controls where snubberless operation and noise immunity are essential.
Availability
BTA204W-600F is available at Aetrix Electronics and suitable for washing machine motor control, DC solenoid actuation, small appliance fan speed regulation, and inductive transformer dimming requiring stable component supply and consistent parametric performance across production batches.
Supply support for BTA204W-600F 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 IoT applications.
The BTA204W-600F belongs to NXP's Hi-Com Triac product line, engineered specifically for reliable, snubberless switching of highly inductive AC and rectified-DC loads in cost-sensitive white goods and industrial controls.
FAQ
What is the maximum junction temperature rating for the BTA204W-600F?
The BTA204W-600F has a maximum junction temperature (Tj) rating of 125 °C, as specified in the Absolute Maximum Ratings table. This allows continuous operation in enclosed environments such as washing machine control modules, provided the solder point temperature remains ≤108 °C and thermal design meets the 15 K/W Rth(j-sp) requirement via proper PCB copper area.
Does the BTA204W-600F support snubberless operation?
Yes, the BTA204W-600F supports snubberless operation with a rated dIcom/dt of 2.5 A/ms under snubberless conditions (VD = 400 V, Tj = 125 °C, IT(RMS) = 1 A). This capability eliminates the need for external RC snubbers in rectifier-fed DC inductive loads like solenoids and DC motors, simplifying PCB layout and improving system reliability.
What is the gate trigger current specification for the BTA204W-600F?
The BTA204W-600F has a maximum gate trigger current (IGT) of 25 mA across all three active quadrants (T2+G+, T2+G−, T2−G−) at VD = 12 V, IT = 0.1 A, and Tj = 25 °C. This low IGT enables direct drive from standard microcontroller GPIO pins or low-power optocouplers without additional amplification stages.
How is thermal management implemented for the BTA204W-600F in SOT223 package?
The BTA204W-600F uses its mounting base (pin 4) - internally connected to T2 - as the primary thermal path. To achieve the specified 15 K/W Rth(j-sp), the datasheet mandates a minimum PCB copper area of 6.3 mm × 3.7 mm (Fig. 7). This design enables 1 A RMS operation without external heatsinks, making it ideal for compact motor control modules.
Is the BTA204W-600F suitable for use in automotive applications?
No, the BTA204W-600F is not automotive-qualified. The NXP datasheet explicitly states that unless otherwise indicated, products are "non-automotive qualified" and not tested to AEC-Q101 or automotive environmental requirements. It is intended for industrial, appliance, and general-purpose motor control applications only.
BTA204W-600F,135 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Triac Type:
- -
- Voltage - Off State:
- -
- Current - On State (It (RMS)) (Max):
- -
- Voltage - Gate Trigger (Vgt) (Max):
- -
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- -
- Current - Gate Trigger (Igt) (Max):
- -
- Current - Hold (Ih) (Max):
- -
- Configuration:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
BTA204W-600F,135 FAQ
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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 BTA204W-600F,135 part is unused and in its original packaging.
Return procedure for BTA204W-600F,135:
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2.Obtain a Return Material Authorization (RMA) from Aetrix.
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