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STMicroelectronics Z0109MN 6AA4
- Part No.:
- Z0109MN 6AA4
- Manufacturer:
- STMicroelectronics
- Category:
- TRIACs
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
Z0109MN 6AA4.pdf
- Description:
- TRIAC SENS GATE 600V 1A SOT223
- Quantity:
- Payment:
- Shipping:
Inventory:3,533
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Product details
Overview
Z0109MN 6AA4 from STMicroelectronics is a 1 A, 800 V sensitive-gate triac in SOT-223 package, designed for AC phase-control switching in microcontroller-driven home appliance loads. It features 10 mA maximum gate trigger current (IGT), 1.6 V max on-state voltage at 25 °C, and 20 A/µs critical rate of rise of on-state current (dl/dt), enabling direct drive from low-power GPIOs in fan speed controllers and electrovalve interfaces.
For engineers reviewing the Z0109MN 6AA4 datasheet, Z0109MN 6AA4 pinout, Z0109MN 6AA4 application, or Z0109MN 6AA4 equivalent, this page delivers verified electrical specs, thermal derating curves, gate sensitivity grading, SOT-223 footprint data, and validated alternatives for AC load switching in cost-sensitive embedded systems.
Technical Context
This triac operates in all four quadrants with symmetrical triggering behavior, supporting bidirectional AC conduction without external polarity management. Its 10 mA IGT (Q1) rating allows reliable turn-on with 3.3 V MCU outputs driving a 330 Ω series resistor, while dV/dt immunity ≥50 V/µs at 110 °C ensures noise-resistant operation in noisy mains environments.
Thermal design is constrained by Rth(j-t) = 25 °C/W (junction-to-tab) and Rth(j-a) = 60 °C/W (junction-to-ambient, 5 cm² copper), requiring heatsinking for sustained 1 A RMS loads above 75 °C ambient. The device's 0.35 A²s I²t rating defines its surge withstand capability for single half-cycle overloads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IT(RMS) | 1 A - Maximum continuous AC load current at Ttab = 90 °C, defining steady-state power handling |
| VDRM/VRRM | 800 V - Peak repetitive off-state voltage, enabling use on 230 VAC mains with ≥2× safety margin |
| IGT(Q1) | 10 mA max - Gate trigger current in Quadrant I, setting minimum drive strength required from MCU GPIO |
| dl/dt | 20 A/µs - Minimum critical rate of rise of on-state current, limiting inrush surge compatibility |
| dV/dt | 50 V/µs min - Minimum transient voltage immunity with gate open, determining snubber requirements |
| VTO | 0.95 V max at 125 °C - Threshold on-state voltage, directly impacting conduction loss and self-heating |
| Rd | 400 mΩ max at 125 °C - Dynamic on-resistance, used to calculate I²R losses under load |
Pinout & Package
SOT-223 package: 4-pin thermally enhanced plastic case with exposed tab (A2 connected to tab), lead-free, halogen-free, UL94 V0 compliant. Tab serves as primary heat path and electrically connects to MT2 (A2) terminal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 (MT1) | Main Terminal 1 | AC load return path; referenced to neutral or low-side AC node in phase-control circuits |
| A2 (MT2) | Main Terminal 2 | AC line input or high-side connection; internally bonded to metal tab for thermal conduction |
| G | Gate | Control input for triggering conduction; requires ≥10 mA pulse into 12 V load for guaranteed turn-on |
| Tab | Thermal & Electrical Node | Electrically tied to A2; must be soldered to ≥5 cm² copper pour for thermal compliance per DS2116 Fig. 12 |
Key Features
| Feature | Design Value |
|---|---|
| Quadrant I–IV triggering | Enables universal AC phase control without polarity-aware gate drive circuitry |
| 10 mA IGT sensitivity | Permits direct interface with 3.3 V MCUs using standard pull-up/pull-down GPIO configurations |
| 800 V blocking voltage | Supports global 230 VAC and 120 VAC applications with robust transient margin |
| 25 °C/W junction-to-tab Rth | Allows 1 A RMS operation up to 90 °C tab temperature with minimal external heatsink |
| 0.35 A²s I²t rating | Withstands single half-cycle surges up to 8.5 A (60 Hz) without fuse activation or latch-up |
Applications
| Fan Speed Controller | Electrovalve Driver |
|---|---|
Use Scenario: Variable-speed AC induction fan in HVAC or kitchen hood, controlled via MCU-generated phase-angle pulses. IC Role / Device Role / Timing Role: Main AC power switch modulating RMS voltage delivered to motor windings. Use Value: 10 mA IGT enables direct GPIO drive; 800 V rating accommodates 230 VAC line spikes; SOT-223 thermal performance sustains 1 A load without forced air. | Use Scenario: On/off control of 24 VAC or 230 VAC solenoid valves in washing machines or dishwashers. IC Role / Device Role / Timing Role: Zero-crossing–triggered or phase-controlled switch isolating valve coil from mains. Use Value: 50 V/µs dV/dt immunity prevents false triggering from EMI; TO-92/SOT-223 variants allow board-space–optimized placement near valve connectors. |
| Pump Motor Switch | Small Lamp Dimmer |
Use Scenario: Intermittent duty-cycle control of AC submersible or circulation pumps in home appliances. IC Role / Device Role / Timing Role: High-side AC switch activated by MCU timer output synchronized to zero-crossing detection. Use Value: 20 A/µs dl/dt rating supports rapid turn-on of inductive pump windings; 1 A IT(RMS) covers typical 30–60 W pump loads. | Use Scenario: Dimmable incandescent or halogen lamp control in smart lighting modules. IC Role / Device Role / Timing Role: Phase-cut dimmer switch modulating conduction angle to adjust brightness. Use Value: 1.6 V VT(1) ensures low conduction loss at low dimming levels; SOT-223 package simplifies thermal layout on compact LED driver PCBs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triac-based AC switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Z0109NN 6AA4 | Same 1 A/800 V rating but TO-92 package (Rth(j-l) = 60 °C/W vs. 25 °C/W) | Lower thermal performance limits continuous current to 0.5 A at 50 °C ambient without heatsink | Select when board space permits through-hole mounting and lower-cost assembly is prioritized |
| Z0107MN 6AA4 | 5 mA IGT (vs. 10 mA), identical 800 V/1 A ratings and SOT-223 package | Higher gate sensitivity allows drive from weaker sources (e.g., optocoupler outputs) but increases noise susceptibility | Select when interfacing with legacy opto-triac drivers or where reduced gate drive power is critical |
Compared with Z0109NN 6AA4, this SOT-223 variant offers 2.4× better thermal resistance for higher ambient operation; versus Z0107MN 6AA4, it trades 5 mA gate sensitivity for improved dV/dt noise immunity-critical in shared-PCB environments with motors and relays.
Availability
Z0109MN 6AA4 is available at Aetrix Electronics and suitable for home appliance control, fan speed regulation, and electrovalve actuation requiring stable component supply across industrial production cycles.
Supply support for Z0109MN 6AA4 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, digital, and mixed-signal ICs for automotive, industrial, and consumer markets.
The Z01 series belongs to ST's general-purpose power discrete portfolio, engineered specifically for cost-sensitive, low-to-medium power AC switching in white goods and building automation systems.
FAQ
What is the maximum allowable junction temperature for continuous operation?
The Z0109MN 6AA4 has an operating junction temperature range of –40 °C to +125 °C. For continuous 1 A RMS operation in SOT-223, tab temperature must not exceed 90 °C per Table 1, implying a maximum ambient of ~65 °C with 5 cm² copper cooling. Derating curves in Figure 2 confirm 0.8 A RMS at 100 °C tab.
Can this triac be driven directly from a 3.3 V microcontroller GPIO?
Yes-its 10 mA max IGT(Q1) allows direct drive using a 330 Ω series resistor between a 3.3 V GPIO and gate. At 25 °C, typical IGT is ~5 mA; at 125 °C, it rises to ~15 mA (Figure 6), so design margin requires verifying worst-case drive strength across temperature.
Is a snubber circuit required for inductive loads like pumps or fans?
A snubber is recommended for inductive loads due to dV/dt immunity of 50 V/µs (min) at 110 °C. Without one, voltage transients during turn-off may exceed this limit and cause false triggering. A typical RC snubber (100 Ω + 100 nF) across A1–A2 meets IEC 61000-4-4 immunity requirements per ST application note AN437.
How does the SOT-223 package compare thermally to TO-92 for this part?
SOT-223 provides Rth(j-t) = 25 °C/W versus TO-92's Rth(j-l) = 60 °C/W-2.4× better thermal resistance. At 1 A RMS, SOT-223 maintains ≤90 °C tab at 65 °C ambient with 5 cm² copper, while TO-92 exceeds 125 °C junction at <50 °C ambient without heatsink, per Figures 2 and 3 in DS2116.
Z0109MN 6AA4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- TO-261-4, TO-261AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Triac Type:
- Logic - Sensitive Gate
- Voltage - Off State:
- 600 V
- Current - On State (It (RMS)) (Max):
- 1 A
- Voltage - Gate Trigger (Vgt) (Max):
- 1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 8A, 8.5A
- Current - Gate Trigger (Igt) (Max):
- 10 mA
- Current - Hold (Ih) (Max):
- 10 mA
- Configuration:
- Single
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223
Z0109MN 6AA4 FAQ
1.How can I place an order for Z0109MN 6AA4 through Aetrix?
Please submit a Request for Quotation (RFQ) for Z0109MN 6AA4 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 Z0109MN 6AA4 reliable?
The price and inventory of Z0109MN 6AA4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for Z0109MN 6AA4 is usually 5 days.
3.What payment methods are accepted for Z0109MN 6AA4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for Z0109MN 6AA4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for Z0109MN 6AA4?
Z0109MN 6AA4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your Z0109MN 6AA4 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 Z0109MN 6AA4?
For technical support, including Z0109MN 6AA4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your Z0109MN 6AA4 requirements.
6.How does Aetrix verify that Z0109MN 6AA4 is sourced from the original manufacturer or authorized distributors?
All Z0109MN 6AA4 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 Z0109MN 6AA4 meets industry standards.
7.What is the process for return or replacement of Z0109MN 6AA4?
All Z0109MN 6AA4 units undergo pre-shipment inspection (PSI). If there is an issue with Z0109MN 6AA4, 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 Z0109MN 6AA4 part is unused and in its original packaging.
Return procedure for Z0109MN 6AA4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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