(Silicon Controlled Rectifier)) BT139-600E

Overview of Rectifier Diodes

Rectifier diodes are semiconductor devices used primarily for converting alternating current (AC) into direct current (DC). They allow current to flow easily in one direction while blocking it in the opposite direction. This unidirectional property makes them essential components in power supplies, signal processing, and various electronic circuits. Rectifier diodes can handle a wide range of currents and voltages, making them versatile for numerous applications.

Features of Rectifier Diodes

Unidirectional Conductivity: Facilitates current flow in one direction only, effectively blocking reverse current.
High Current Handling: Designed to carry substantial forward currents, suitable for high-power applications.
Peak Inverse Voltage (PIV): Can withstand high reverse voltages without breaking down.
Low Forward Voltage Drop: Minimizes energy loss as heat, improving efficiency.
Fast Recovery Time: Quickly transitions from conducting to non-conducting states, beneficial for high-frequency applications.
Thermal Stability: Maintains performance across a broad temperature range, ensuring reliability in varying conditions.
Compact Size: Small form factor facilitates integration into compact electronic designs.
Cost-Effective: Provides an economical solution for AC-to-DC conversion needs.
Variety of Packages: Available in multiple packaging options to fit different mounting requirements.

((Silicon Controlled Rectifier)) BT139-600E)

Specification of (Silicon Controlled Rectifier)) BT139-600E

The BT139-600E is a Silicon Controlled Rectifier (SCR) created for high-power switching applications, providing reputable efficiency in AC voltage control systems. This thyristor belongs to the BT139 series, including a repeated height off-state voltage (VDRM) and reverse voltage (VRRM) of 600V, making it appropriate for medium-to-high voltage circuits. It has an average on-state present (ITAV) of 16A, with a non-repetitive rise present (ITSM) of 155A, making certain durable handling of transient overloads. The device runs with an entrance trigger present (IGT) as reduced as 5mA, paired with a gate trigger voltage (VGT) of 1.5 V, allowing reliable control with minimal input power. The holding current (IH) is 5mA, keeping conduction until current drops below this limit. The BT139-600E exhibits a low on-state voltage decline (VT) of 1.7 V at 16A, lessening power loss throughout transmission. Its critical rate of rise of voltage (dv/dt) is 1000 V/ µs, offering immunity against false triggering from voltage spikes. Housed in a TO-220AB insulated plan, it consists of a separated installing tab for very easy heatsink attachment, boosting thermal administration. The device sustains an operating junction temperature series of -40 ° C to 125 ° C, making sure integrity across harsh environments. Applications include motor rate controls, dimmers, heater, and air conditioning power changing in industrial or customer electronics. Certified with RoHS and REACH requirements, it abides by environmental and safety and security regulations. For optimal efficiency, make certain correct heatsinking and protected electrical isolation during setup. The BT139-600E incorporates toughness with exact control, perfect for designers looking for an affordable SCR for high-efficiency power law. Always consult the datasheet for derating standards and circuit defense suggestions to maximize longevity and safety.

((Silicon Controlled Rectifier)) BT139-600E)

Applications of (Silicon Controlled Rectifier)) BT139-600E

The BT139-600E is a robust Silicon Controlled Rectifier (SCR) created for medium to high-power switching applications. With a voltage score of 600V and a present rating of 16A, this thyristor is housed in a TO-220AB package, ensuring reliable thermal administration and compatibility with basic heat sinks. Its capability to manage high rise currents (up to 185A non-repetitive) and exact entrance control makes it ideal for diverse air conditioning power control situations.

A primary application of the BT139-600E is electric motor speed policy in home appliances like washing equipments, hoover, and commercial tools. By changing the phase angle of AC input, it allows smooth control over electric motor torque and RPM. In illumination systems, it acts as a trusted component in dimmer circuits for incandescent or halogen lights, regulating illumination through phase-cut triggering.

Temperature control systems, such as electrical ovens, heating units, and soldering stations, leverage the SCR’s changing capacity to manage power delivery to heating elements, maintaining regular thermal output. It is also used in phase-controlled rectifiers for transforming AC to DC in power supplies, battery chargers, and UPS systems, ensuring steady voltage and current for delicate electronic devices.

Surge defense devices utilize the BT139-600E to divert excess present throughout voltage spikes, safeguarding connected equipment. In industrial automation, it serves as a solid-state relay for changing heavy lots like solenoids or actuators, providing faster reaction and longer life expectancy than mechanical relays. Renewable resource systems, including solar inverters, utilize this SCR for efficient power conversion and grid synchronization.

In addition, the BT139-600E is essential to soft-start circuits, lowering inrush present in transformers or electric motors to prevent component anxiety. Its tough layout guarantees integrity in rough settings, making it appropriate for automobile ignition systems, welding tools, and heating and cooling controls. With its equilibrium of performance, resilience, and cost-effectiveness, the BT139-600E stays a versatile solution for designers seeking exact and reliable power monitoring throughout consumer, commercial, and renewable energy applications.

Company Profile

PDDN Photoelectron Technology Co., Ltd.(sales@pddn.com) is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters， transformers, voltage regulators, distribution cabinets, thyristors， modules， diodes， heaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality (Silicon Controlled Rectifier)) BT139-600E, please send us inquiries; we will be here to help you.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

By sea, by air, by express, as customers request.

Storage Conditions

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperature.

3) Use immediately after opening the inner packing bag.

5 FAQs of (Silicon Controlled Rectifier)) BT139-600E

The BT139-600E is a Silicon Controlled Rectifier (SCR) designed for high-efficiency switching in AC applications. Below are five frequently asked questions about this component, answered concisely:

**What are the maximum voltage and current ratings of the BT139-600E?**
The BT139-600E can handle a repetitive off-state voltage of up to 600V and a maximum RMS current of 16A (8A average current). These ratings make it suitable for medium-power applications requiring reliable switching under high voltage conditions.

**What are the typical applications for the BT139-600E?**
This SCR is commonly used in AC motor speed controls, lighting dimmers, heating regulation systems, and power supply circuits. It is ideal for switching or phase-control tasks in industrial equipment, home appliances, and automation systems.

**How do I trigger the BT139-600E?**
The device is triggered by applying a short positive gate current (typically 5–35mA) between the gate and cathode terminals. A gate voltage of around 1.5V is usually sufficient to turn it on. Once triggered, the SCR remains conductive until the anode-cathode current drops below its holding current (typically 10–50mA).

**Does the BT139-600E require a heat sink?**
Yes, when operating near its maximum current ratings or in high-ambient-temperature environments, a heat sink is necessary to dissipate heat. The SCR has a junction temperature limit of 125°C and a thermal resistance of 2.5°C/W (junction to case). Proper mounting with thermal paste ensures optimal performance and longevity.

**How can I test if the BT139-600E is functional?**
Use a multimeter in diode-test mode: Anode-to-cathode should show open (infinite resistance) until the gate is briefly connected to the anode via a resistor (e.g., 100Ω). After triggering, the meter should indicate low resistance, confirming conduction. For full testing, integrate the SCR into a low-power circuit with a load (e.g., a lamp) to verify switching behavior.

These answers provide key insights into the BT139-600E’s capabilities, usage, and testing for effective integration into electronic systems.

((Silicon Controlled Rectifier)) BT139-600E)