TN1605H-6FP STMicroelectronics SCR (Transistor Outline, Vertical) In Stock
The TN1605H-6FP is a high-temperature 16 A silicon controlled rectifier (SCR) from STMicroelectronics, rated for demanding power control applications. It supports continuous on-state current of 16 A with high blocking voltage capability and is housed in a TO-220FP vertical transistor outline package. Available from stock with worldwide distribution.
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- TN1605H-6FP Datasheet PDF
- Category
- SCR
- Price
- From $0.4557(MOQ 10)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TN1605H-6FP?
- 16 A RMS on-state current rating handles AC power switching for resistive and inductive loads in motor control and heating applications
- High-temperature SCR design ensures reliable operation at junction temperatures up to 125 °C in thermally demanding environments
- TO-220FP fully isolated package eliminates the need for insulating hardware, simplifying heatsink assembly in multi-device power boards
- Fast gate triggering sensitivity reduces required gate drive current and simplifies control circuit design
What is TN1605H-6FP used for?
The TN1605H-6FP is used in AC power control applications such as heating elements, light dimmers, motor soft-start circuits, and solid-state relays where a 16 A SCR with high-temperature capability is required. Its isolated TO-220FP package is particularly advantageous in multi-device power modules where several SCRs share a common heatsink without individual insulating washers. It is also suited for industrial power controllers, welding equipment, and HVAC compressor starters that operate continuously at elevated ambient temperatures.
What are the specifications of TN1605H-6FP?
| YTEOL | 0 |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Trigger Device Type | SCR |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| Country of Origin | Mainland China |
Where can I find the TN1605H-6FP datasheet?
TN1605H-6FP Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for TN1605H-6FP?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum continuous on-state current of TN1605H-6FP, and what load types can it control?
The TN1605H-6FP is rated for 16 A RMS continuous on-state current, making it capable of switching resistive loads up to approximately 3.5 kW at 230 V AC and inductive loads in motor starters or transformer primaries. It handles surge currents significantly above 16 A for short durations, which is important for motor inrush current at startup. The SCR topology also provides natural zero-crossing commutation in AC circuits, reducing electrical noise in sensitive equipment nearby.
Why is the fully isolated TO-220FP package of TN1605H-6FP preferred in multi-SCR power boards?
The TO-220FP package has a fully isolated mounting tab, meaning the heatsink connection is electrically isolated from the internal semiconductor junction at up to 2500 V. This allows multiple TN1605H-6FP devices to be mounted directly to a shared aluminum heatsink without individual insulating pads or washers, reducing assembly time and thermal resistance. Compared to a standard TO-220AB package, the FP variant eliminates an interface layer that can add 0.5 °C/W to the thermal path.
At what junction temperature does TN1605H-6FP remain operational, and how does this affect heatsink sizing?
The TN1605H-6FP is specified for high-temperature operation with a maximum junction temperature of 125 °C, which is common for industrial SCRs in this current class. With a typical thermal resistance junction-to-case of around 3 °C/W, a 16 A load at 230 V AC generating approximately 25 W of conduction loss requires a heatsink with thermal resistance below 3 °C/W to stay within the 125 °C junction limit at a 50 °C ambient. This calculation drives heatsink selection in HVAC and industrial motor control designs.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $0.7790 | $7.79 |
| 50+ | $0.6990 | $34.95 |
| 250+ | $0.6530 | $163.25 |
| 2000+ | $0.4556 | $911.30 |
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