STMicroelectronics TN1215-600G
- Part No.:
- TN1215-600G
- Manufacturer:
- STMicroelectronics
- Category:
- SCRs
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
TN1215-600G.pdf
- Description:
- SCR 600V 12A D2PAK
- Quantity:
- Payment:

- Shipping:

Inventory:6,420
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Product details
Overview
TN1215-600G from STMicroelectronics is a standard 12 A, 600 V repetitive peak off-state voltage (VDRM/VRRM) silicon-controlled rectifier (SCR) in D²PAK (TO-263) package with 15 mA gate trigger current (IGT), designed for crowbar protection, motor control in power tools, and inrush limiting circuits where high surge capability and thermal robustness are required.
For engineers reviewing the TN1215-600G datasheet, TN1215-600G pinout, TN1215-600G application, or TN1215-600G equivalent, key selection criteria include its 115 A non-repetitive surge rating (tp = 8.3 ms), 1.3 °C/W junction-to-case thermal resistance, 1.6 V on-state voltage at 24 A, and compatibility with standard FR4 PCB layouts using recommended copper pad area.
Technical Context
This SCR operates as a unidirectional latching switch triggered by a gate pulse, sustaining conduction until current falls below the holding current (IH ≤ 15 mA). It features a minimum dV/dt immunity of 200 V/µs at 125 °C and a threshold voltage (Vto) of ≤ 0.85 V at Tj = 125 °C.
Its dynamic resistance (Rd ≤ 30 mΩ) and low on-state voltage enable efficient power handling up to 12 A RMS at Tc = 110 °C, with thermal performance optimized for surface-mount mounting on ≥1.0 cm² copper area per Table 4.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IT(RMS) | 12 A - Sustains continuous AC load current in motor control or heating applications without heatsink at Tc ≤ 110 °C |
| VDRM / VRRM | 600 V - Blocks line transients up to 600 V peak in 230 VAC systems with safety margin |
| IGT | 15 mA - Gate drive compatible with standard microcontroller GPIO or optocoupler outputs |
| ITSM (tp = 8.3 ms) | 115 A - Withstands single-cycle inrush surges in capacitor-input power supplies |
| Rth(j-c) | 1.3 °C/W - Enables compact thermal design with direct case-to-heatsink interface in D²PAK |
| VTM (ITM = 24 A) | 1.6 V - Limits conduction loss to ≤38.4 W at peak current, reducing thermal stress |
| dV/dt (Tj = 125 °C) | 200 V/µs - Resists false triggering from fast-rising noise in industrial switching environments |
Pinout & Package
Package: D²PAK (TO-263), surface-mount, lead-free, halogen-free epoxy resin, ECOPACK® compliant. Tab is anode-connected; requires electrically isolated heatsinking or soldered thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Tab) | Main current input terminal | Electrically connected to metal tab; must be mounted on thermally conductive but electrically isolated surface or heatsink |
| Cathode | Main current output terminal | Carries full load current to ground or return path; low-inductance PCB trace routing recommended |
| Gate | Trigger control input | Accepts 15 mA pulse to initiate conduction; requires snubber or RC filter if exposed to noisy gate drive paths |
Key Features
| Feature | Design Value |
|---|---|
| High surge robustness | 115 A non-repetitive peak on-state current (8.3 ms) supports reliable startup in motor and transformer loads |
| Low thermal resistance | 1.3 °C/W junction-to-case enables >10 W dissipation with minimal temperature rise when mounted on 1 cm² copper |
| Stable high-temperature operation | Holding current IH ≤ 15 mA and dV/dt ≥ 200 V/µs maintained up to 125 °C junction temperature |
| Optimized gate sensitivity | 15 mA IGT ensures reliable turn-on with standard logic-level drivers while minimizing false triggering risk |
| Surface-mount packaging | D²PAK footprint allows automated assembly and higher power density vs. through-hole TO-220AB alternatives |
Applications
| Overvoltage Crowbar Protection | Power Tool Motor Control |
|---|---|
|
Use Scenario: Fast-acting short-circuit activation during DC bus overvoltage events in SMPS or battery chargers. IC Role / Device Role / Timing Role: Latching overvoltage protector - triggered by comparator output to clamp rail via low-resistance anode-cathode path. Use Value: 115 A surge rating clears fault energy before downstream components fail; 600 V blocking withstands transient spikes beyond nominal rail. |
Use Scenario: Phase-angle controlled AC motor speed regulation in cordless drill chargers and angle grinders. IC Role / Device Role / Timing Role: Main power switch - gated at precise zero-crossing intervals to modulate average torque and RPM. Use Value: 12 A RMS rating supports continuous 1.5 kW motor loads; 1.6 V VTM minimizes conduction loss and thermal derating. |
| Inrush Current Limiting | Capacitive Discharge Ignition (CDI) |
|
Use Scenario: Limiting surge into bulk capacitors during cold-start of industrial power supplies. IC Role / Device Role / Timing Role: Series pre-charge switch - triggered after NTC cooldown to bypass thermistor and sustain steady-state current. Use Value: 15 mA IGT allows clean digital control; 1.3 °C/W Rth(j-c) permits sustained 12 A operation without external heatsink under proper PCB layout. |
Use Scenario: High-energy spark generation in motorcycle or small-engine ignition systems. IC Role / Device Role / Timing Role: Primary discharge switch - triggered to dump stored capacitor energy (≥100 µF @ 300–400 V) across ignition coil primary. Use Value: 200 V/µs dV/dt immunity prevents spurious firing from coil flyback transients; 115 A ITSM delivers peak spark energy reliably. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SCR-based control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TYN612RG | Same 600 V VDRM, 12 A IT(RMS), but TO-220AB through-hole package; 15 mA IGT; Rth(j-c) = 1.3 °C/W | Requires manual or wave soldering; less suitable for high-density automated PCBs | Select when mechanical robustness, field serviceability, or legacy board compatibility outweigh SMT benefits |
| TN1215-600B | Same electrical specs, but DPAK package; Rth(j-c) = 1.3 °C/W, Rth(j-a) = 70 °C/W (vs. 45 °C/W for D²PAK) | Lower thermal mass and smaller footprint; limited to lower ambient or forced-air cooled designs | Select for space-constrained consumer-grade boards where 12 A RMS is sustained only intermittently |
Compared with TYN612RG and TN1215-600B, TN1215-600G offers superior thermal performance in surface-mount form factor - its D²PAK package delivers 45 °C/W junction-to-ambient resistance at 1.0 cm² copper, enabling higher continuous power in compact industrial modules without heatsinks.
Availability
TN1215-600G is available at Aetrix Electronics and suitable for overvoltage crowbar protection, power tool motor control, and inrush current limiting applications requiring stable component supply, long-term industrial lifecycle support, and RoHS-compliant manufacturing.
Supply support for TN1215-600G 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, power, MCU, and sensor solutions for automotive, industrial, and consumer markets.
TN1215-600G belongs to ST's standard SCR product line, engineered for cost-effective, robust AC power control in appliances, tools, and industrial equipment where reliability under surge and thermal stress is critical.
FAQ
What is the maximum junction temperature for continuous operation?
The TN1215-600G has an operating junction temperature range of –40 °C to +125 °C. For continuous 12 A RMS conduction, case temperature must not exceed 110 °C per Table 2; this requires adequate PCB copper area (≥1.0 cm²) or heatsinking to maintain thermal equilibrium.
Can TN1215-600G replace a TO-220 SCR in an existing design?
Yes, but with layout adaptation: the D²PAK footprint differs from TO-220AB, and the anode tab is electrically active. PCB must provide isolation for the tab, and thermal relief must match D²PAK's 1.3 °C/W Rth(j-c) - typically achieved with ≥1.0 cm² of 35 µm copper under the tab per Figure 10.
Is a gate resistor required for reliable triggering?
A series gate resistor (typically 100–470 Ω) is recommended to limit peak gate current to ≤4 A and damp ringing. The datasheet specifies IGM = 4 A (tp = 20 µs); exceeding this risks gate junction damage, especially with fast-rise gate drivers or long PCB traces.
Does TN1215-600G support snubberless operation?
No - it is not rated as a snubberless SCR. Its dV/dt rating of 200 V/µs at 125 °C requires external RC snubbers in inductive load switching (e.g., motor control) to prevent false turn-on from voltage transients exceeding this limit during commutation.
TN1215-600G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- 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):
- 8 A
- Current - On State (It (RMS)) (Max):
- 12 A
- Current - Hold (Ih) (Max):
- 30 mA
- Current - Off State (Max):
- 5 µA
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 140A, 145A
- SCR Type:
- Standard Recovery
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D2PAK
TN1215-600G FAQ
1.How can I place an order for TN1215-600G through Aetrix?
Please submit a Request for Quotation (RFQ) for TN1215-600G 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 TN1215-600G reliable?
The price and inventory of TN1215-600G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TN1215-600G is usually 5 days.
3.What payment methods are accepted for TN1215-600G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TN1215-600G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TN1215-600G?
TN1215-600G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TN1215-600G 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 TN1215-600G?
For technical support, including TN1215-600G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TN1215-600G requirements.
6.How does Aetrix verify that TN1215-600G is sourced from the original manufacturer or authorized distributors?
All TN1215-600G 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 TN1215-600G meets industry standards.
7.What is the process for return or replacement of TN1215-600G?
All TN1215-600G units undergo pre-shipment inspection (PSI). If there is an issue with TN1215-600G, 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 TN1215-600G part is unused and in its original packaging.
Return procedure for TN1215-600G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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