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XP POWER STH0548S09 DC-DC Buck Regulator

The STH05 series consists of low-cost DC-to-DC buck regulators in a surface-mount 10-pin package. Manufactured with SMD technology and high automation, these modules feature voltage trimming, remote on/off control, continuous short circuit protection, regulation capabilities, and high efficiency. They support a wide input voltage range, are non-isolated, and offer output voltage trimming of ±10%. Designed to comply with Class B conducted and radiated emission standards with external components, they do not require a heatsink and can operate at full load up to +60°C. The dimensions are 0.77 inches by 0.47 inches by 0.39 inches (19.5mm x 11.8mm x 5.0mm).

Authorized Distributors
Source:DigiKey
Part No:STH0548S09
Stock:39
Inv Date:05-29-2026
Price: Unit price: $15.66
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Source:DigiKey
Part No:STH0548S09
Stock:13
Inv Date:05-29-2026
Price: Unit price: $10.05
Buy/RFQ:
Part No:STH0548S09
Stock:22
Inv Date:05-30-2026
Price: Unit price: $10.05
Buy/RFQ:
Part No:STH0548S09
Stock:0
Inv Date:05-29-2026
Price: Unit price: $10.05
Buy/RFQ:

XP POWER STH0548S09 DC-DC Buck Regulator Specifications:

  • Input Voltage Range: 9-72VDC
  • Output Voltages: 3.3V, 5.0V, 6.5V, 9.0V, 12.0V, 15.0V
  • Output Current: up to 1A
  • Efficiency: up to 92%
  • Switching Frequency: 150 - 550 KHz
  • Operating Temperature: -40°C to +105°C
  • Temperature at Full Load: up to +60°C
  • Dimensions: 0.77 x 0.47 x 0.39 inches (19.5 x 11.8 x 5.0 mm)
  • Package: SMD-10
  • Non-Isolated Design
  • Voltage Trim Range: ±10%
  • Protection: Continuous Short Circuit Protection
  • Conducted & Radiated Emissions: Class B with external components
  • Remote On/Off Control
  • No heatsink required
  • Supports Tape & Reel packaging
  • Operation Temperature: -40°C to +100°C

Buy the Buy XP Power STHOS5 Series Part Number STH0548S09 Online

Purchase the XP Power STH0548S09 DC-DC buck regulator online today to benefit from exceptional efficiency up to 92%, voltage trimming, remote on/off, and a compact surface-mount design. This non-isolated regulator supports a wide input voltage range from 9V to 72V and delivers up to 1A of output current. Its high automation manufacturing process ensures reliability, while no heatsink is needed for operation up to +60°C at full load. Ideal for industrial and automation applications, it is a cost-effective solution for regulated power supplies with proven protection features.

Buy XP Power STH0548S09 now and experience unmatched reliability and high efficiency in a compact buck regulator.

Frequently Asked Questions

Where can I buy XP POWER STH0548S09?

You can click on the BUY or RFQ button to purchase STH0548S09 from an authorized XP POWER distributor.

How do I troubleshoot issues or seek technical support for part STH0548S09?

You can download the STH0548S09 datasheet or visit the XP POWER website for support.

Who is the manufacturer of STH0548S09?

XP POWER

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