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Home > Products > Discrete Semiconductor Products > Thyristors > TRIACs

STMicroelectronics Z0103MN 6AA4

Name: Z0103MN 6AA4
Brand: STMicroelectronics
SKU: Z0103MN 6AA4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: Z0103MN 6AA4

Manufacturer:: STMicroelectronics

Category:: TRIACs

Package:: TO-261-4, TO-261AA

Datasheet:: Z0103MN 6AA4.pdf

Description:: TRIAC SENS GATE 600V 1A SOT223

Quantity:: RFQ Add To RFQ list

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Inventory:24,258

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Product details

Overview

Z0103MN 6AA4 from STMicroelectronics is a 600 V, 1 A sensitive-gate triac in SOT-223 package, rated for 3 mA maximum gate trigger current (IGT) in Quadrants I–III, with dV/dt immunity of 10 V/µs at 110 °C and thermal resistance R_th(j-t) = 25 °C/W. It enables direct microcontroller-driven AC switching in low-power home appliance loads such as electrovalves and small lamp controls.

For engineers reviewing the Z0103MN 6AA4 datasheet, Z0103MN 6AA4 pinout, Z0103MN 6AA4 application, or Z0103MN 6AA4 equivalent, this page delivers verified electrical specs, validated SOT-223 terminal mapping, real-world use cases in AC load control, and confirmed alternative triacs with documented sensitivity and voltage differences.

Technical Context

This triac operates in all four quadrants but is optimized for Quadrants I, II, and III triggering with guaranteed IGT ≤ 3 mA at 12 V and 30 Ω load. Its 600 V repetitive peak off-state voltage (V_DRM/V_RRM) and 10 V/µs dV/dt rating at T_j = 110 °C support reliable commutation in 230 VAC mains environments with moderate noise.

Thermal design is enabled by its 25 °C/W junction-to-tab thermal resistance in SOT-223, allowing 1 A RMS conduction at tab temperatures up to 90 °C. The device features a latching current (I_L) ≤ 7 mA and holding current (I_H) ≤ 7 mA at 25 °C, ensuring stable turn-on and retention under light loads.

Key Specifications

Parameter	Value and Actual Design Meaning
IT(RMS)	1 A - Supports continuous AC load current up to 120 W at 120 VAC or 230 W at 230 VAC with adequate heatsinking
VDRM/VRRM	600 V - Withstands peak line voltage (≈325 V) in 230 VAC systems with ≥85 % margin
IGT (Q1–Q3)	≤3 mA - Compatible with GPIO outputs of most 3.3 V/5 V microcontrollers without external driver stage
dV/dt (min)	10 V/µs - Resists false triggering from typical EMI transients in appliance motor and relay circuits
Rth(j-t)	25 °C/W - Enables 1 A operation with tab temperature ≤90 °C using minimal copper area (≥5 cm²)
VTM (max)	1.60 V - Limits on-state power loss to ≤1.6 W at 1 A, reducing thermal burden in compact designs
IL / IH	≤7 mA - Ensures reliable turn-on and hold-on for resistive and lightly inductive loads like solenoids and lamps

Pinout & Package

SOT-223 package with exposed thermal tab (pin 4), standardized for surface-mount assembly and thermal transfer to PCB copper. Pin 1 = A2 (main terminal 2), Pin 2 = A1 (main terminal 1), Pin 3 = G (gate), Pin 4 = tab (internally connected to A2).

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (A2)	Main terminal 2	High-side AC line connection; electrically tied to thermal tab for enhanced heat dissipation
Pin 2 (A1)	Main terminal 1	Load return path; referenced to neutral or low-side AC rail in standard phase-control configurations
Pin 3 (G)	Gate	Low-current trigger input; requires ≤3 mA pulse to initiate conduction in QI/QII/QIII
Pin 4 (Tab)	Thermal pad / A2 tie	Must be soldered to ≥5 cm² copper pour for thermal compliance; not electrically isolated from A2

Key Features

Feature	Design Value
Sensitive gate (3 mA IGT)	Enables direct drive from MCU GPIO pins without buffer transistors or optocoupler secondary stages
600 V blocking capability	Supports global 230 VAC mains operation with safety margin against surges and transients
25 °C/W junction-to-tab R_th	Permits 1 A RMS conduction with only PCB copper heatsinking-no external heatsink required
Quadrant I–III optimized triggering	Reduces gate drive complexity in zero-crossing and phase-angle dimmer topologies
ECOPACK® halogen-free, lead-free	Meets RoHS and REACH requirements for consumer appliance and industrial end equipment

Applications

Electrovalve Control

Fan Speed Regulation

Use Scenario: On/off sequencing of water/gas solenoid valves in washing machines and dishwashers.

IC Role / Device Role / Timing Role: AC power switch controlling 230 VAC solenoid coil with <100 ms activation pulses.

Use Value: Low IGT ensures reliable triggering from 3.3 V MCU outputs; 1 A rating covers typical 8–12 W valve loads.

Use Scenario: Phase-controlled speed adjustment of universal motors in ceiling fans and exhaust units.

IC Role / Device Role / Timing Role: Bidirectional AC switch enabling leading-edge phase-cut dimming synchronized to zero-crossing detection.

Use Value: 10 V/µs dV/dt immunity prevents false turn-on during high-dI/dt motor commutation events.

Small Lamp Dimming

Door Lock Actuation

Use Scenario: Dimmable LED or incandescent lighting in smart home panels and kitchen appliances.

IC Role / Device Role / Timing Role: Main AC switching element in trailing-edge or hybrid dimmer circuits.

Use Value: 7 mA latching current guarantees stable conduction even with low-current LED driver leakage paths.

Use Scenario: Momentary 230 VAC energization of electromagnetic door locks in access control systems.

IC Role / Device Role / Timing Role: High-reliability AC power switch triggered by microcontroller for <500 ms lock engagement.

Use Value: 600 V rating accommodates inductive kickback suppression without snubber components in space-constrained modules.

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
Z0103MA 1AA2	Same 3 mA IGT and 600 V rating, but TO-92 through-hole package	Requires manual or wave soldering; lower thermal performance (R_th(j-l) = 60 °C/W)	Select when legacy through-hole assembly or prototyping on perfboard is required
Z0107MN 6AA4	5 mA IGT, same SOT-223 package and 600 V rating	Higher gate drive requirement reduces compatibility with weak GPIOs but improves noise immunity	Select when system EMI environment is severe and MCU drive strength exceeds 5 mA

Compared with Z0103MA 1AA2, Z0103MN 6AA4 offers superior thermal management and automated assembly compatibility; versus Z0107MN 6AA4, it provides lower gate drive burden at the cost of slightly reduced dV/dt immunity (10 vs. 20 V/µs).

Availability

Z0103MN 6AA4 is available at Aetrix Electronics and suitable for home appliance control, AC fan regulation, and electromechanical actuation requiring stable component supply across production ramps and long-life programs.

Supply support for Z0103MN 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 Z0103MN 6AA4 has an operating junction temperature range of –40 °C to +125 °C. For sustained 1 A RMS conduction in SOT-223, tab temperature must remain ≤90 °C per absolute maximum ratings, corresponding to a maximum ambient temperature of ≈65 °C with 5 cm² copper area and natural convection.

Can this triac be used with 3.3 V microcontrollers without a gate resistor?

A series gate resistor is mandatory: the datasheet specifies IGT testing at 12 V with 30 Ω load, implying ~400 Ω is needed for 3.3 V drive to limit peak gate current to <10 mA. Omitting the resistor risks exceeding I_GM = 1 A and damaging the gate junction.

Is the thermal tab electrically isolated from the die?

No-the SOT-223 thermal tab is internally bonded to A2 (main terminal 2). It must be routed as part of the high-side AC circuit and cannot serve as a ground or signal reference. PCB layout must maintain creepage/clearance to other nets per IEC 61000-1-2 requirements.

Does Z0103MN 6AA4 support zero-crossing switching?

Yes-its low IGT and controlled dV/dt allow integration with zero-crossing detector ICs or MCU-based timing logic. However, the device itself does not include zero-crossing circuitry; external timing control is required to gate the triac at voltage minima for EMI reduction.

Z0103MN 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):: 3 mA

Current - Hold (Ih) (Max):: 7 mA

Configuration:: Single

Operating Temperature:: -40°C ~ 125°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

Z0103MN 6AA4 FAQ

1.How can I place an order for Z0103MN 6AA4 through Aetrix?

Please submit a Request for Quotation (RFQ) for Z0103MN 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 Z0103MN 6AA4 reliable?

The price and inventory of Z0103MN 6AA4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for Z0103MN 6AA4 is usually 5 days.

3.What payment methods are accepted for Z0103MN 6AA4?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for Z0103MN 6AA4 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for Z0103MN 6AA4?

Z0103MN 6AA4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your Z0103MN 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 Z0103MN 6AA4?

For technical support, including Z0103MN 6AA4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your Z0103MN 6AA4 requirements.

6.How does Aetrix verify that Z0103MN 6AA4 is sourced from the original manufacturer or authorized distributors?

All Z0103MN 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 Z0103MN 6AA4 meets industry standards.

7.What is the process for return or replacement of Z0103MN 6AA4?

All Z0103MN 6AA4 units undergo pre-shipment inspection (PSI). If there is an issue with Z0103MN 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 Z0103MN 6AA4 part is unused and in its original packaging.

Return procedure for Z0103MN 6AA4:

1.Submit a request within 90 days.

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

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