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RS PRO 2 x 18 V ac 2 Output PCB Transformer, 230 V ac Primary, 18 VA Power 121-3851
Specifications
| Country of Origin | India |
|---|---|
| Brand | RS PRO |
| Length | 68mm |
| Model | 121-3851 |
| Depth | 27mm |
| Gross Weight | 385g |
| Width | 57mm |
| Mount Type | PCB |
| Maximum Operating Temperature | 130°C |
| Number of outputs | 2 |
| Winding Type | Independent Secondary |
| Number of Pins | 10 |
| Primary Voltage | 230 V ac, 115 V |
| Secondary Voltage | 2 x 18 V ac |
| Minimum Operating Frequency | 50Hz |
| Maximum Operating Frequency | 60Hz |
| PCB Transformer Current | 1666.6mA |
Key Features
- Dual independent secondary windings for flexible output voltage configurations.
- Primary voltage accepts both 230 V ac and 115 V ac inputs.
- Compact dimensions of 68 mm length, 57 mm width, and 27 mm depth for efficient PCB integration.
- Rated power of 18 VA, suitable for low power electronic applications.
- Maximum operating temperature up to 130°C ensuring durability under thermal stress.
- Designed to IECBSEN 61558 and ASNZS 61558 standards for safety and quality compliance.
- Low interwinding capacitance and reduced radiated noise enhance signal integrity.
- Mount type is PCB, with 10 pins for secure and stable installation.
Product Description
RS PRO 121-3851 PCB Transformer is a high-quality low profile power supply transformer offering dual 18 V alternating current secondary outputs with a total power capacity of 18 VA. It features a dual independent secondary winding design suitable for series or parallel connections to accommodate varying output voltage and current needs. The transformer supports a primary voltage of 230 V ac or 115 V ac, making it versatile for different power input scenarios.
Its compact form factor measures 68 mm in length, 57 mm in width, and 27 mm in depth, making it ideal for mounting directly onto printed circuit boards while maintaining a low profile. The device is rated to operate at temperatures up to 130°C and complies with the IECBSEN 61558, ASNZS 61558.1, and IECBSEN 61558.6 standards, ensuring conformity to international safety and quality specifications. Additional certifications include RoHS and CE marking.
This PCB transformer incorporates two compartment bobbins, which contribute to high efficiency and reduce temperature rise during operation. It exhibits low interwinding capacitance and minimal radiated noise, which benefits sensitive electronic circuits by reducing electromagnetic interference.
The mounting type is PCB with 10 pins for secure electrical connection and mechanical stability. The total weight of the unit is 385 grams, ensuring ease of use in compact electronic assemblies.
This product is suitable for industrial, electronic, and power supply applications where clean isolation and transformation of voltages are required. It is commonly used in audio equipment, measurement instruments, communication systems, and other compact electronic devices.
Dual independent secondary windings provide flexible output voltage and current options. Compact low profile design allows for easy PCB mounting. Complies with multiple international safety and quality standards. High efficiency with low temperature rise and low electromagnetic interference.
Wide primary voltage input range with both 230 V and 115 V ac supported. Explore more in the PCB Transformer category for suitable accessories and related products at EnvMart.
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Frequently Asked Questions
The RS PRO 121-3851 PCB transformer has a rated power of 18 VA, suitable for low power electronic applications.
This model measures 68 mm in length, 57 mm in width, and 27 mm in depth, making it compact for PCB integration.
It supports a primary voltage input of 230 V ac or 115 V ac, providing versatility for different power scenarios.
The transformer features two independent secondary outputs, each rated at 18 V ac.
The maximum operating temperature for this unit is up to 130°C, ensuring it can handle thermal stress during operation.
It is designed for PCB mounting and comes with 10 pins for secure installation.
The minimum operating frequency is 50 Hz, while the maximum is 60 Hz.
This model complies with IECBSEN 61558, ASNZS 61558.1, and IECBSEN 61558.6 standards for safety and quality.
The total weight of this unit is 385 grams, facilitating ease of use in compact electronic assemblies.
It features independent secondary windings, allowing for flexible output voltage configurations.
It is suitable for industrial, electronic, and power supply applications, commonly used in audio equipment, measurement instruments, and communication systems.
This transformer exhibits low interwinding capacitance and reduced radiated noise, which enhances signal integrity and minimizes electromagnetic interference.
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