This is the 40V variant of the DC-DC 5-40V 1A Buck Step Down Converter without pin header Voltage Need 3.3V in Buck Converter. Available at ₹560.50 (₹475.00 + GST) with free shipping across India.
Looking for Dc-dc Converter 40v? DC-DC 5-40V 1A Buck Step Down Converter without pin header Voltage Need 3.3V is available at Zbotic with fast shipping across India.
DC-DC 5-40V 1A Buck Step Down Converter without pin header Voltage Need 3.3V
Introducing the DC-DC 5-40V 1A Buck Step Down Converter without Pin Header, a compact and high-performance voltage regulator module. This module is designed to efficiently step down input voltages ranging from 5V to 40V to a stable 3V output, making it suitable for a wide range of electronic applications. With its high-quality electronic components and precision technology, this buck converter delivers reliable performance and durability. Equipped with comprehensive protection features such as over-temperature shutdown, input under-voltage protection, BS-voltage protection, and short circuit protection, ensuring safe and stable operation. Compact and lightweight, this module is ideal for use in motor toys, WIFI router switches, network equipment, CCTV cameras, electric toys, wireless modules, smart home automation, battery chargers, FM radios, and more.
Features:
1. DC-DC Step-Down Converter module working frequency 550KHz. efficiency is 75-90%
2. Over temperature shutdown, input under-voltage protection, BS-voltage protection, and short circuit protection
3. 2.54mm pin pitch, Arduino UNO MEGA2560 breadboard MCU development board friendly
4. It uses high performance fixed frequency current control mode controller as the core
5. Suitable for motor toy, WIFI router switch, network equipment, multi meter instrumentation, CCTV camera, electric toys, wireless module for Nrf24l01 CC1101 CC2500 CC2530 for Zigbee, smart home/home automation, distributed power systems, battery charger, pre-regulator for linear regulators, FM radio, battery powered equipment, audio amplifier
Specifications:
| Specification | Details |
|---|---|
| Input Voltage Range | 4.75V – 40V |
| Output Voltage | 3.3V |
| Maximum Output Current | 1A |
| Quiescent Current | Approx. 1.5mA |
| Working Frequency | 550kHz |
| Efficiency | 75% – 90% |
Package Includes
- 1 x DC-DC 5-40V 1A Buck Step Down Converter without pin header Voltage Need 3.3V
DC-DC 5-40V 1A Buck Step Down Converter without pin header Overview
The DC-DC 5-40V 1A Buck Step Down Converter without pin header is a compact voltage regulator module designed to take an input voltage between 4.75V and 40V and deliver a stable 3.3V output. Ideal for embedding directly into custom PCBs, it ensures reliable power delivery for low-voltage electronics.
Key Features of DC-DC 5-40V 1A Buck Step Down Converter without pin header
- Input range: 4.75 – 40 V, fixed 3.3 V output at up to 1 A
- Low quiescent current (~1.5 mA) for minimal standby power draw
- High-frequency 550 kHz switching allows compact footprint
- Conversion efficiency of 76 – 90% reduces heat generation
- Built-in over-temperature shutdown and input under-voltage protection
- Genuine module from Zbotic with fast shipping across India
Applications and Use Cases
- Powering 3.3 V microcontrollers such as ESP8266 or ARM Cortex-M boards
- Supplying sensors, wireless modules and displays in embedded systems
- Integrating into battery-powered devices for efficient voltage regulation
- Automotive electronics projects using a 12 V or 24 V vehicle battery
- Industrial control circuits requiring a steady 3.3 V rail
How to Use DC-DC 5-40V 1A Buck Step Down Converter without pin header
Solder your own header pins or wires to the input and output pads, ensuring correct polarity. Connect a DC supply between 5 V and 40 V to the input pads, then attach your 3.3 V load to the output pads. For continuous high-current operation, consider adding a small heat sink to the module’s switching regulator chip.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
1. Can I power this module directly from a car battery?
Yes. The converter accepts up to 40 V input, so it can be connected to a 12 V or 24 V automotive battery. Ensure proper wiring and fuse protection for safe operation.
2. How do I attach this board without pin headers?
Simply solder standard 2.54 mm header pins or wires directly to the input/output solder pads. You can also use screw-terminal adapters or PCB-mounted spring connectors.
3. Is the output voltage adjustable?
No. This module is factory-configured to deliver a fixed 3.3 V output. For other voltages, please refer to our adjustable buck converter series.
Technical Specifications
| Operating Voltage | 3.3V |
|---|---|
| Current Rating | 1A |
| SKU | AI0915 |
| Availability | Out of Stock |
Applications & Use Cases
The DC-DC 5-40V 1A Buck Step Down Converter without pin header Voltage Need 3.3V is a versatile buck converter used across a wide range of applications including voltage step-down for electronics, battery-powered projects, LED driver circuits, microcontroller power supply, and solar power regulation.
Common use cases:
- Converting 12V car battery to 5V for USB devices
- Powering a Raspberry Pi from a drone battery
- Regulating solar panel output for charging
This product is ideal for electronics hobbyists, IoT developers, and power supply designers.
Technical Tip: Buck converters are more efficient than linear regulators (LM7805). Choose one rated for at least 1.5x your required current. Ensure input voltage is at least 2V above output.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components

Farhan Menon (verified owner) –
Okay DC-DC 5-40V 1A Buck Step Down. Output is slightly off from specified but within usable range.
Varun Garg –
Outstanding! This DC-DC 5-40V 1A Buck Step Down supplies clean power to my sensitive circuits. No noise at all.
Himanshu Rao (verified owner) –
Great DC-DC 5-40V 1A Buck Step Down. Voltage is rock solid under varying loads. Highly recommended.
Meera Chopra –
Outstanding! This DC-DC 5-40V 1A Buck Step Down supplies clean power to my sensitive circuits. No noise at all.
Ajay Patil (verified owner) –
This DC-DC 5-40V 1A Buck Step Down is exactly what I needed. Output current capacity is as advertised.
Dinesh Bajaj (verified owner) –
Very satisfied with this DC-DC 5-40V 1A Buck Step Down. Using it in my solar project, charges perfectly.
Advik Pillai –
Great quality DC-DC 5-40V 1A Buck Step Down. Powering my entire project board with this. Very reliable.
Bharat Shetty (verified owner) –
Excellent DC-DC 5-40V 1A Buck Step Down! Output is stable and reliable. Perfect for my electronics project.
Simran Nayak (verified owner) –
Great DC-DC 5-40V 1A Buck Step Down. Voltage is rock solid under varying loads. Highly recommended.
Vansh Garg –
This DC-DC 5-40V 1A Buck Step Down is exactly what I needed. Output current capacity is as advertised.
Meera Batra (verified owner) –
Very satisfied with this DC-DC 5-40V 1A Buck Step Down. Using it in my solar project, charges perfectly.
Karan Saini (verified owner) –
Perfect DC-DC 5-40V 1A Buck Step Down for my portable project. Battery life is better than expected.
Manoj Iyer (verified owner) –
Very satisfied with this DC-DC 5-40V 1A Buck Step Down. Using it in my solar project, charges perfectly.
Utkarsh Rajan (verified owner) –
Great DC-DC 5-40V 1A Buck Step Down. Voltage is rock solid under varying loads. Highly recommended.
Amit Choudhury –
Perfect DC-DC 5-40V 1A Buck Step Down for my portable project. Battery life is better than expected.
Rahul Patil (verified owner) –
Very satisfied with this DC-DC 5-40V 1A Buck Step Down. Using it in my solar project, charges perfectly.
Anand Verma (verified owner) –
Superb DC-DC 5-40V 1A Buck Step Down! Efficiency is high and it runs cool even under load.
Meera Vyas –
Excellent DC-DC 5-40V 1A Buck Step Down! Output is stable and reliable. Perfect for my electronics project.
Aman Chauhan (verified owner) –
Great quality DC-DC 5-40V 1A Buck Step Down. Powering my entire project board with this. Very reliable.
Tanmay Bisht (verified owner) –
Bought multiple units of this DC-DC 5-40V 1A Buck Step Down. All consistent quality. Zbotic is reliable.