BT149D Thyristor 400V 0.5A Through Hole TO-220
The BT149D Thyristor is a 400V, 0.5A through-hole device in a TO-220 package, designed for efficient AC and DC power control in various applications.
9.00 EGP
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The BT149D Thyristor is a high-performance, through-hole device designed for switching and controlling high-power circuits in a variety of applications. With a maximum repetitive peak reverse voltage of 400V and a current rating of 0.5A, this component is suitable for controlling AC power and offering reliable, efficient operation in a compact TO-220 package. The device is particularly useful in applications where precise control of power is essential, such as light dimmers, motor controllers, and overcurrent protection circuits.
Features:
- 400V maximum repetitive peak reverse voltage.
- 0.5A average forward current.
- Through-hole TO-220 package for easy mounting.
- Low on-state voltage drop for efficient performance.
Pin Configuration:
Specifications:
| Product Attribute | Attribute Value |
| Datasheet | BT149D |
| Product Category | SCRs |
| Series | BT149 |
| Model | BT149D |
| Package/Case | TO-220 |
| Mounting Type | Through Hole |
| Number of terminals | 3 |
| Rated Repetitive Off-State Voltage VDRM | 400 V |
| Off-State Leakage Current @ VDRM IDRM | 50 µA |
| On-State RMS Current – It RMS | 0.8 A |
| Maximum Gate Peak Inverse Voltage | 5 V |
| Gate Trigger Voltage – Vgt | 500 mV |
| Gate Trigger Current – Igt | 50 µA |
| Current Rating | 0.5 A |
| Holding Current Ih Max | 5 mA |
| Non Repetitive On-State Current | 9 A |
| Operating Temperature | + 125 C |
Applications:
- General purpose switching and phase control.
- Low power circuits.
Datasheet:
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