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TDK-Lambda KAS4-12 Switching Power Supply 12V DC, 4W, 330mA, PCB Mount KAS4-12
Specifications
| Country of Origin | Taiwan |
|---|---|
| Brand | TDK-Lambda |
| Power | 4W |
| Efficiency | 76% |
| Length | 37mm |
| Model | KAS4-12 |
| Depth | 17.5mm |
| Gross Weight | 26g |
| Width | 27.5mm |
| Mount Type | PCB |
| Series | KAS4 |
| Maximum Operating Temperature | 70°C |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 1 |
| Maximum Input Voltage | 370, 265V dc |
| Maximum Output Voltage | 12V dc |
| SMPS Output Current | 330mA |
| Minimum Input Voltage | 120, 90V dc |
| Energy Efficiency Level | II |
Key Features
- Supports input voltage range from 90 to 305 VAC and 120 to 370 VDC for versatile applications.
- Operates in a wide temperature range from -40°C to 70°C ensuring reliable performance.
- Compact dimensions with length 37mm, width 27.5mm, and depth 17.5mm for space-efficient integration.
- Class II design requires no ground connection, suitable for household and industrial use.
- Offers energy efficiency level II with 76% efficiency and low off-load consumption under 0.3W.
- Certified to multiple international standards including IEC/UL/CSA, VCCI-B, FCC Class B, CE, and EMC Class B.
- Encapsulated construction protects against harsh industrial environments and EMC disturbances.
- Designed for general power supply applications requiring stable 12V DC output and high reliability.
Product Description
TDK-Lambda KAS4-12 is a high-quality Switching Power Supply designed for providing stable 12V DC output at 4W power and 330mA current. This PCB mount power supply supports a universal input voltage range from 90 to 305 VAC and 120 to 370 VDC, making it suitable for a wide range of professional industrial and domestic applications.
The power supply operates reliably in extreme temperature conditions, ranging from -40°C start-up temperature to 70°C maximum operating temperature. Its encapsulated board-mounted design eliminates the need for a ground connection, classified as Class II, which simplifies installation and enhances safety compliance. The unit is compact with dimensions of 37mm length, 27.5mm width, and 17.5mm depth, allowing for easy integration in space-constrained systems.
Equipped with advanced EMC protections, the KAS4-12 complies with comprehensive international standards including IEC/UL/CSA/EN 62368-1, VCCI-B, FCC Class B, CE, and several EN 61000 EMC standards. This ensures minimal electromagnetic interference, suitable for industrial environments.
Its energy-efficient design meets Energy Efficiency Level II standards, featuring up to 76% efficiency and extremely low off-load power consumption below 0.3W, contributing to reduced operational costs and environmental impact.
This model is ideal for use in instrumentation, automation, control systems, and other power supply needs requiring reliable 12V DC output. Weighing just 26 grams, it is lightweight and compact for easy handling and mounting.
Supports wide input voltage: 90 to 305 VAC, 120 to 370 VDC. Operating temperature from -40°C to 70°C for industrial applicability. Compact PCB mount form factor with dimensions 37x27.5x17.5 mm. Certified to international safety and EMC standards ensuring robust compliance.
High energy efficiency of 76% with low standby power consumption. Encapsulated construction provides durability and electromagnetic protection. Single output of 12V DC at 330mA for stable power delivery. Suitable for both domestic household and professional industrial environments.
Lightweight at 26g for ease of integration in electronic assemblies. Explore more switching power supplies on EnvMart for diverse industrial and electronics needs.
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Frequently Asked Questions
The KAS4-12 provides a maximum output current of 330mA.
This model has compact dimensions of 37mm in length, 27.5mm in width, and 17.5mm in depth.
It operates reliably in a temperature range from -40°C to 70°C.
This power supply has an energy efficiency level of II, achieving up to 76% efficiency.
It is designed for PCB mounting, making it suitable for integration into various electronic assemblies.
The unit weighs just 26 grams, facilitating easy handling and mounting.
It is certified to multiple international standards including IEC, UL, CSA, VCCI-B, FCC Class B, CE, and EMC Class B.
This model is ideal for general power supply applications requiring stable 12V DC output, including instrumentation and automation.
No, it features a Class II design that eliminates the need for a ground connection, simplifying installation.
The maximum input voltage for this model is 370 VDC and 305 VAC.
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