BT149B,126
NXP USA Inc.

NXP USA Inc.
SCR 200V 800MA TO92-3
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NXP USA Inc. BT149B,126 is available at inksontech.com. We only sale New&Original Part and offer 1 year warranty time. If you would like to know more about the products or apply more better price, please send a quote to us or contact us by email.
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Product details
Precision-engineered for industrial power systems, the BT149B,126 SCR by NXP USA Inc. represents a top-tier solution in Discrete Semiconductor Products. This thyristor delivers exceptional performance in phase control and switching applications, featuring optimized thermal management for demanding environments. Its design prioritizes both efficiency and long-term reliability.
The BT149B,126 incorporates advanced features such as high static dv/dt rating, symmetrical blocking capability, and low gate trigger requirements. Special attention has been given to achieving fast turn-off characteristics while maintaining robust surge current handling. The device's construction ensures consistent operation across varying load conditions.
Primary industrial applications include: 1) Power converters for mining equipment, 2) Voltage regulators for industrial furnaces, and 3) Motor control units in manufacturing automation. The SCR also performs exceptionally in marine propulsion systems, railway signaling equipment, and large-scale power distribution gear.
Connect with our technical sales team through the website inquiry form to discuss implementation of the BT149B,126 in your projects. We provide comprehensive support from selection to integration of this high-performance thyristor.
General specs
- Product Status: Obsolete
- Voltage - Off State: 200 V
- Voltage - Gate Trigger (Vgt) (Max): 800 mV
- Current - Gate Trigger (Igt) (Max): 200 µA
- Voltage - On State (Vtm) (Max): 1.7 V
- Current - On State (It (AV)) (Max): 500 mA
- Current - On State (It (RMS)) (Max): 800 mA
- Current - Hold (Ih) (Max): 5 mA
- Current - Off State (Max): 100 µA
- Current - Non Rep. Surge 50, 60Hz (Itsm): 8A, 9A
- SCR Type: Sensitive Gate
- Operating Temperature: -
- Mounting Type: Through Hole
- Package / Case: TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package: TO-92-3