STMicroelectronics TN2015H-6I
- Part No.:
- TN2015H-6I
- Manufacturer:
- STMicroelectronics
- Category:
- SCRs
- Package:
- TO-220-3
- Datasheet:
-
TN2015H-6I.pdf
- Description:
- SCR 600V 20A TO220AB
- Quantity:
- Payment:

- Shipping:

Inventory:505
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Product details
Overview
TN2015H-6I from STMicroelectronics is a high-temperature, insulated-packaged SCR (silicon-controlled rectifier) rated for 20 A RMS on-state current, 600 V repetitive peak off-state voltage (VDRM/VRRM), and maximum junction temperature of 150 °C. It features 750 V/µs dV/dt immunity at 150 °C, 100 A/µs critical dI/dt, and 2500 VRMS insulation - designed for robust AC line switching in motor starters, solid-state relays, and inrush limiting circuits.
For engineers reviewing the TN2015H-6I datasheet, TN2015H-6I pinout, TN2015H-6I application, or TN2015H-6I equivalent, key selection criteria include thermal derating at Tc > 113 °C, gate trigger current (IGT ≤ 15 mA), insulated package compliance with UL 1557, and crowbar protection suitability under fast transient conditions.
Technical Context
This SCR operates as a latching unidirectional power switch with gate-controlled turn-on and natural commutation at current zero-crossing. Its high dV/dt immunity (≥750 V/µs at 150 °C) and low threshold voltage (VTO ≤ 0.82 V at 150 °C) enable reliable triggering in noisy industrial environments without false turn-on.
Thermal design is constrained by Rth(j–c) = 2.1 °C/W (max), requiring heatsinking for sustained 20 A RMS operation. The insulated TO-220AB package provides galvanic isolation between case and semiconductor die, supporting safety-critical AC mains interfacing without additional isolation barriers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IT(RMS) | 20 A - Sustained AC load current capability at Tc = 113 °C, defining maximum continuous power handling in motor control or heating applications. |
| VDRM / VRRM | 600 V - Peak repetitive blocking voltage across anode–cathode, enabling direct use on 230 VAC mains with ≥2× safety margin. |
| Tj max | 150 °C - Maximum allowable junction temperature, permitting compact heatsink designs and extended operation in enclosed industrial enclosures. |
| dV/dt immunity | 750 V/µs at 150 °C - Immunity to rapid voltage transients without spurious turn-on, critical for EMI-prone motor drive and relay replacement circuits. |
| dI/dt rating | 100 A/µs - Minimum required rate of current rise during turn-on to avoid localized hot-spot formation and ensure uniform conduction. |
| Viso | 2500 VRMS - Galvanic isolation withstand voltage between case and die, satisfying reinforced insulation requirements per UL 1557 for AC mains interface. |
| IGT (max) | 15 mA - Maximum gate trigger current needed at 25 °C, defining minimum driver strength required for reliable turn-on across temperature range. |
Pinout & Package
Package: TO-220AB insulated - molded thermoset housing with internal dielectric barrier; case electrically isolated from semiconductor die; UL 1557 certified (File E81734); 2500 VRMS isolation; halogen-free, lead-free, ECOPACK2 compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Main current input terminal | Carries full load current into device; must be connected to AC line phase or DC+ in half-wave configurations. |
| Cathode (K) | Main current output terminal | Completes main conduction path; referenced to system ground or neutral in AC applications; defines return path for load current. |
| Gate (G) | Control input terminal | Receives low-energy trigger pulse (≤15 mA, ≤1.3 V) to initiate conduction; requires noise filtering due to high dV/dt environment. |
Key Features
| Feature | Design Value |
|---|---|
| High-temperature operation | Junction rated to 150 °C enables use in sealed enclosures and high-ambient industrial settings without forced cooling. |
| Insulated package | 2500 VRMS isolation eliminates need for external isolation transformers or optocouplers in AC mains-connected control circuits. |
| Robust dV/dt immunity | 750 V/µs at 150 °C prevents false triggering from switching transients in motor drives and solid-state relays. |
| Fast turn-on dynamics | 100 A/µs dI/dt rating supports rapid current establishment in crowbar and inrush limiting applications without latch-up risk. |
| ECOPACK2 compliance | Halogen-free molding compound and lead-free plating meet RoHS and REACH environmental requirements for global OEM deployment. |
Applications
| Motor Control Starters | Solid-State Relays |
|---|---|
Use Scenario: Controlling 3-phase induction motor startup in HVAC compressors and industrial pumps using phase-angle or burst-fire AC switching. IC Role / Device Role / Timing Role: Main power switch in half-wave or full-wave AC control topology; triggered synchronously with zero-crossing detection to limit inrush. Use Value: 20 A RMS rating and 600 V blocking support direct connection to 230/400 VAC systems; 150 °C Tj allows mounting on shared heatsinks with IGBT drivers. |
Use Scenario: Replacing electromechanical relays in PLC output modules and building automation controllers for resistive and inductive loads. IC Role / Device Role / Timing Role: Isolated AC power switch with integrated dielectric barrier; gate driven via optocoupler or transformer-coupled pulse generator. Use Value: 2500 VRMS insulation eliminates external isolation components; low VTM (≤1.6 V) minimizes conduction loss and self-heating at full load. |
| Inrush Current Limiting | Overvoltage Crowbar Protection |
Use Scenario: Limiting surge current during cold-start of high-power LED drivers and SMPS input stages using NTC bypass control. IC Role / Device Role / Timing Role: Series-pass switch activated after NTC cooldown; conducts steady-state current while blocking initial inrush. Use Value: High dI/dt (100 A/µs) ensures clean turn-on without oscillation; 20 A RMS rating accommodates 10× inrush derating for 2 A steady-state loads. |
Use Scenario: Fast-acting overvoltage protection for DC bus rails in inverters and lab power supplies, shorting faulted rail to ground. IC Role / Device Role / Timing Role: Latched crowbar element triggered by comparator + monostable; remains conducting until power cycle reset. Use Value: 197 A non-repetitive surge rating (8.3 ms) handles capacitor discharge energy; 750 V/µs dV/dt immunity prevents false triggering during fast-rising overvoltages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SCR-based AC switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BT139-600E | 16 A RMS, 600 V, non-insulated TO-220; dV/dt = 500 V/µs at 125 °C; no UL-rated insulation. | Requires external isolation for mains-connected designs; lower thermal margin limits continuous 20 A operation. | Select when cost-sensitive, non-safety-critical, and board-level isolation is already implemented. |
| TYN612 | 12 A RMS, 600 V, insulated TO-220; dV/dt = 600 V/µs at 125 °C; Rth(j–c) = 2.5 °C/W. | Lower current rating requires parallel devices for 20 A loads; reduced dV/dt margin increases susceptibility to EMI-induced turn-on. | Select only for space-constrained designs where 12 A is sufficient and ambient temperature remains < 85 °C. |
Compared with BT139-600E and TYN612, TN2015H-6I delivers higher RMS current headroom, superior dV/dt immunity at elevated temperature, and certified insulation - making it the preferred choice for safety-compliant, thermally demanding AC load switching where reliability under transient stress is critical.
Availability
TN2015H-6I is available at Aetrix Electronics and suitable for motor control starters, solid-state relays, and inrush current limiting circuits requiring stable component supply, long-term lifecycle assurance, and UL-certified insulation integrity.
Supply support for TN2015H-6I 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, specializing in power management, analog, MEMS, and microcontroller technologies for industrial, automotive, and consumer markets.
TN2015H-6I belongs to ST's high-temperature, insulated SCR product line engineered specifically for ruggedized AC mains interfacing - emphasizing thermal resilience, transient immunity, and safety-certified packaging for industrial control and appliance applications.
FAQ
What is the maximum case temperature for continuous 20 A RMS operation?
The datasheet specifies IT(RMS) = 20 A at Tc = 113 °C with 180° conduction angle. Operation above this case temperature requires linear derating per Figure 2; at Tc = 125 °C, maximum sustainable IT(RMS) drops to approximately 16 A. Heatsink design must maintain case temperature ≤113 °C under worst-case ambient and airflow conditions.
Does TN2015H-6I support gate-triggered turn-off?
No. TN2015H-6I is a conventional SCR and cannot be turned off by gate control. Turn-off occurs only when main current falls below the holding current (IH ≤ 50 mA) - typically at AC current zero-crossing. For active turn-off capability, a TRIAC or gate-turn-off thyristor (GTO) would be required, but those are not drop-in replacements.
Can TN2015H-6I be used in DC circuits?
Yes, but only in circuits where load current can be interrupted externally (e.g., via series MOSFET or mechanical contactor) to force current below IH. Unlike AC, DC lacks natural zero-crossings, so sustained conduction will occur until current interruption. It is not recommended for general-purpose DC switching without auxiliary commutation circuitry.
Is the TO-220AB insulated package compatible with standard TO-220 heatsinks?
Yes - the TO-220AB insulated package uses identical mechanical footprint and mounting hole spacing as standard TO-220AB. However, because the case is electrically isolated, thermal interface material (e.g., silicone pad or grease) must be used between case and heatsink; insulating shoulder washers are unnecessary unless secondary electrical isolation is required beyond the package's 2500 VRMS rating.
TN2015H-6I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- ECOPACK®2
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Active
- Voltage - Off State:
- 600 V
- Voltage - Gate Trigger (Vgt) (Max):
- 1.3 V
- Current - Gate Trigger (Igt) (Max):
- 15 mA
- Voltage - On State (Vtm) (Max):
- 1.6 V
- Current - On State (It (AV)) (Max):
- 13 A
- Current - On State (It (RMS)) (Max):
- 20 A
- Current - Hold (Ih) (Max):
- 50 mA
- Current - Off State (Max):
- 5 µA
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 180A, 197A
- SCR Type:
- Standard Recovery
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220AB Insulated
TN2015H-6I FAQ
1.How can I place an order for TN2015H-6I through Aetrix?
Please submit a Request for Quotation (RFQ) for TN2015H-6I 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 TN2015H-6I reliable?
The price and inventory of TN2015H-6I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TN2015H-6I is usually 5 days.
3.What payment methods are accepted for TN2015H-6I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TN2015H-6I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TN2015H-6I?
TN2015H-6I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TN2015H-6I 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 TN2015H-6I?
For technical support, including TN2015H-6I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TN2015H-6I requirements.
6.How does Aetrix verify that TN2015H-6I is sourced from the original manufacturer or authorized distributors?
All TN2015H-6I 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 TN2015H-6I meets industry standards.
7.What is the process for return or replacement of TN2015H-6I?
All TN2015H-6I units undergo pre-shipment inspection (PSI). If there is an issue with TN2015H-6I, 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 TN2015H-6I part is unused and in its original packaging.
Return procedure for TN2015H-6I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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