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TDK-LAMBDA KWS5A12 5W AC-DC Power Supply

The TDK-LAMBDA KWS5A series provides a range of 5W, 10W, 15W, and 25W board mount AC-DC power supplies designed for industrial applications. These power supplies boast high efficiency levels, reaching up to 88%, and operate within a wide temperature range (-40°C to +85°C). The KWS-A series is Class II double insulated, enabling operation without an earth ground connection, and offers features like low no-load power consumption and Class B EMI compliance. Suitable for a variety of applications, the KWS5A-12 delivers reliable power in a compact form factor.

Authorized Distributors
Source:DigiKey
Part No:KWS5A-12
Stock:550
Inv Date:06-09-2026
Price: Unit price: $31.4
Buy/RFQ:
Part No:KWS5A-12
Stock:0
Inv Date:06-10-2026
Price: Unit price: $27.37
Buy/RFQ:
Part No:KWS5A-12
Stock:5
Inv Date:06-09-2026
Price: Unit price: $26.59
Buy/RFQ:
Part No:KWS5A-12
Stock:16
Inv Date:06-09-2026
Price: Unit price: $42.73
Buy/RFQ:
Part No:KWS5A-12
Stock:16
Inv Date:06-09-2026
Price: Unit price: $42.73
Buy/RFQ:

TDK-LAMBDA KWS5A12 5W AC-DC Power Supply Specifications:

  • Input Voltage Range: 85 - 265 Vac (Derate to 80% load from 100 to 85)
  • Input Frequency: 47 - 440 Hz
  • Output Voltage: 12V
  • Maximum Current: 0.45A
  • Maximum Power: 5.4W
  • Line Regulation: See model selector table
  • Load Regulation: See model selector table
  • Ripple / Noise: 240 mV
  • Efficiency: 78 / 75%
  • Operating Temperature: -40 to +85°C (Derate linearly to 10% load from +55 to +85°C)
  • Weight (Typ): 35 g
  • Size (LxWxH): 38.1 x 25.4 x 21.5 mm

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Frequently Asked Questions

Where can I buy TDK-LAMBDA KWS5A12?

You can click on the BUY or RFQ button to purchase KWS5A12 from an authorized TDK-LAMBDA distributor.

How do I troubleshoot issues or seek technical support for part KWS5A12?

You can download the KWS5A12 datasheet or visit the TDK-LAMBDA website for support.

Who is the manufacturer of KWS5A12?

TDK-LAMBDA

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