Overview
The BT169D/DG,126 is a Silicon Controlled Rectifier (SCR) produced by WeEn Semiconductors. This component is designed with a sensitive gate and is packaged in a TO-92 (SOT54) plastic package. It is engineered to be interfaced directly with microcontrollers, logic ICs, and other low power gate trigger circuits, making it versatile for various electronic applications.
Key Specifications
| Type Number | Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|---|
| BT169D | VDRM | repetitive peak off-state voltage | - | - | - | 400 | V |
| BT169D | VRRM | repetitive peak reverse voltage | - | - | - | 400 | V |
| BT169D | IT(AV) | average on-state current | half sine wave; Tlead ≤ 83 °C | - | - | 0.5 | A |
| BT169D | IT(RMS) | RMS on-state current | half sine wave; Tlead ≤ 83 °C | - | - | 0.8 | A |
| BT169D | ITSM | non-repetitive peak on-state current | half sine wave; Tj(init) = 25 °C; tp = 10 ms | - | - | 8 | A |
| BT169D | ITSM | non-repetitive peak on-state current | half sine wave; Tj(init) = 25 °C; tp = 8.3 ms | - | - | 9 | A |
| BT169D | IGT | gate trigger current | VD = 12 V; IT = 10 mA; Tj = 25 °C | 50 | - | 200 | µA |
| BT169D | IL | latching current | VD = 12 V; IG = 0.5 mA; Tj = 25 °C | 2 | - | 6 | mA |
| BT169D | IH | holding current | VD = 12 V; Tj = 25 °C | 2 | - | 5 | mA |
| BT169D | dVD/dt | rate of rise of off-state voltage | VDM = 268 V; Tj = 125 °C; RGK = 1 kΩ; exponential waveform | 500 | - | 800 | V/µs |
Key Features
- Planar Passivation: Ensures voltage ruggedness and reliability.
- Sensitive Gate: Allows direct triggering from low power gate circuits and logic ICs.
- Low Power Interface: Can be interfaced directly with microcontrollers and other low power gate trigger circuits.
- Compliance: Compliant with EU Directives RoHS, ELV, and China RoHS.
- Packaging: Available in various packaging options including Bulk Pack, Ammopack, and Reel.
Applications
- Ignition Circuits: Suitable for use in ignition systems due to its high voltage and current handling capabilities.
- Lighting Ballasts: Used in lighting ballast circuits to control the flow of electrical current.
- Protection Circuits: Employed in protection circuits to safeguard against overvoltage and overcurrent conditions.
- Switched Mode Power Supplies (SMPS): Utilized in SMPS for efficient power management.
Q & A
- What is the BT169D/DG,126 used for?
The BT169D/DG,126 is a Silicon Controlled Rectifier (SCR) used in various applications such as ignition circuits, lighting ballasts, protection circuits, and switched mode power supplies.
- What is the maximum off-state voltage of the BT169D/DG,126?
The maximum off-state voltage (VDRM) is 400 V.
- What is the average on-state current of the BT169D/DG,126?
The average on-state current (IT(AV)) is 0.5 A.
- What is the gate trigger current of the BT169D/DG,126?
The gate trigger current (IGT) ranges from 50 µA to 200 µA.
- Is the BT169D/DG,126 RoHS compliant?
- What are the packaging options for the BT169D/DG,126?
The component is available in Bulk Pack, Ammopack, and Reel packaging options.
- What is the junction temperature of the BT169D/DG,126?
The junction temperature (Tj) is up to 125 °C.
- Can the BT169D/DG,126 be triggered directly by microcontrollers?
- What is the non-repetitive peak on-state current of the BT169D/DG,126?
The non-repetitive peak on-state current (ITSM) is up to 9 A for a half sine wave with Tj(init) = 25 °C and tp = 8.3 ms.
- What is the rate of rise of off-state voltage for the BT169D/DG,126?
The rate of rise of off-state voltage (dVD/dt) is between 500 V/µs and 800 V/µs under specified conditions.
