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CUI Inc PCN1S5D12S DC-DC Converter

The CUI Inc PCN1-S5-D12-S is a compact and efficient isolated DC-DC converter designed for a wide range of industrial applications. It offers up to 1W of isolated output power in a SIP package, with nominal input voltages of 5V, 12V, or 24Vdc. The converter provides single or dual unregulated output options, low ripple and noise, and up to 83% efficiency. Its robust design includes 1,500 Vdc isolation voltage and operates effectively within a temperature range of -40°C to 100°C, making it suitable for demanding environments. A 2.2µF or 4.7µF ceramic capacitor is recommended for input voltage stress reduction.

Authorized Distributors
Source:DigiKey
Part No:PCN1-S5-D12-S
Stock:47
Inv Date:06-07-2026
Price: Unit price: $5.75
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Part No:PCN1-S5-D12-S
Stock:0
Inv Date:06-08-2026
Price: Unit price: $5.63
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Part No:PCN1-S5-D12-S
Stock:46
Inv Date:06-07-2026
Price: Unit price: $5.23
Buy/RFQ:
Part No:PCN1-S5-D12-S
Stock:46
Inv Date:06-07-2026
Price: Unit price: $5.23
Buy/RFQ:
Part No:PCN1-S5-D12-S
Stock:0
Inv Date:06-07-2026
Price: Unit price: $4.45
Buy/RFQ:

CUI Inc PCN1S5D12S DC-DC Converter Specifications:

  • input voltage (typ): 5 Vdc
  • input voltage range: 4.5~5.5 Vdc
  • output voltage: ±12 Vdc
  • output current: ±42 mA
  • output power: 1 W
  • ripple & noise: 1 mVp-p
  • efficiency: 78%
  • operating input voltage (12 Vdc): 10.8~13.2 Vdc
  • operating input voltage (24 Vdc): 21.6~26.4 Vdc
  • surge voltage (5 Vdc): 9 Vdc
  • surge voltage (12 Vdc): 18 Vdc
  • surge voltage (24 Vdc): 30 Vdc
  • input filter: capacitive
  • input reverse polarity protection: no
  • input fuse: 0.5 A time delay fuse
  • maximum capacitive load (single): 220 μF
  • maximum capacitive load (dual): 100 μF
  • voltage accuracy: ±3.0%
  • line regulation: ±1.2%
  • load regulation: ±10%
  • switching frequency (24 Vdc): 75 kHz
  • switching frequency (other): 100 kHz
  • temperature coefficient: ±0.05 %/°C
  • short circuit protection: 1 s
  • isolation voltage: 1,500 Vdc
  • isolation resistance: 1,000 MΩ
  • isolation capacitance: 10 pF
  • conducted emissions: EN 55022 Class B
  • MTBF: 1,500,000 hours
  • RoHS: 2011/65/EU
  • operating temperature: -40 to 100 °C
  • storage temperature: -55 to 125 °C

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Frequently Asked Questions

Where can I buy CUI Inc PCN1S5D12S?

You can click on the BUY or RFQ button to purchase PCN1S5D12S from an authorized CUI Inc distributor.

How do I troubleshoot issues or seek technical support for part PCN1S5D12S?

You can download the PCN1S5D12S datasheet or visit the CUI Inc website for support.

Who is the manufacturer of PCN1S5D12S?

CUI Inc

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