20PCS HT7533S 3.3V 100mA LDO Linear Regulator IC SOT-23

HT7533S 3.3V Low-Dropout Linear Regulator — Pack of 20

Keep your circuits stable and efficient with this pack of 20 genuine HT7533S Low-Dropout (LDO) Linear Voltage Regulator ICs. Housed in the compact SOT-23 package, these regulators deliver a precise 3.3V output at up to 100mA, making them ideal for powering microcontrollers, sensors, and low-power embedded systems. Brand new condition, sourced from NioCen.

Made in Mainland China.

Key Specifications

• Part Number: HT7533S
• Output Voltage: 3.3V (fixed)
• Maximum Output Current: 100mA
• Dropout Voltage: Ultra-low for energy-efficient designs
• Package: SOT-23 (3-pin surface mount)
• Type: Low-Dropout (LDO) Linear Voltage Regulator
• Condition: Brand New
• Quantity: 20 pieces per pack
• High-Concern Chemicals: None

Why Choose the HT7533S?

• ✅ Precise 3.3V Regulation — Delivers stable output voltage ideal for 3.3V logic circuits, Raspberry Pi accessories, Arduino shields, and IoT devices
• ✅ Low Quiescent Current — Minimises power loss in battery-operated and portable applications
• ✅ Compact SOT-23 Footprint — Space-saving surface mount design perfect for compact PCB layouts
• ✅ Simple 3-Pin Design — Easy to integrate into new or existing circuit boards with minimal external components
• ✅ Bulk Pack of 20 — Great value for prototyping, repairs, or production runs

Typical Applications

• Microcontroller and MCU power supply rails
• IoT sensor modules and wireless devices
• Portable and battery-powered electronics
• Embedded systems and development boards
• Consumer electronics PCB repairs and prototyping

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Frequently Asked Questions

Q: What is the HT7533S LDO linear regulator used for?

A: The HT7533S is a 3.3V, 100mA low-dropout (LDO) linear voltage regulator IC in a SOT-23 package. It is commonly used to provide a stable 3.3V power supply rail for microcontrollers, sensors, IoT modules, development boards, and other low-power embedded electronics that require a regulated 3.3V input.

Q: How many ICs are included in this listing?

A: This listing includes a pack of 20 pieces of the HT7533S SOT-23 LDO voltage regulator IC, all brand new — ideal for prototyping, small production runs, or keeping spares on hand.

Q: Is the HT7533S compatible with surface mount PCB designs?

A: Yes. The HT7533S comes in the standard SOT-23 surface mount package, which is widely supported by PCB design software and compatible with standard SMD soldering techniques, including reflow and hand soldering with appropriate tools.

Q: What is the dropout voltage of the HT7533S?

A: The HT7533S features a low dropout voltage, meaning the input supply voltage needs to be only slightly higher than the 3.3V output to maintain regulation. This makes it especially efficient in battery-powered applications where input voltage headroom is limited.