AC-DC Dual Output Step-Down Power Supply Module 85-265V
AC-DC Dual Output Step-Down Power Supply Module 85-265V
AC-DC Dual Output Step-Down Power Supply Module
Power your projects with confidence using this versatile AC-DC Dual Output Step-Down Power Supply Module. Accepting a wide input range of 85–265V AC (or 100–300V DC), it delivers stable dual-polarity outputs in your choice of ±5V, ±12V, ±15V, or ±18V — making it ideal for electronics prototyping, industrial equipment, audio amplifier circuits, op-amp circuits, and embedded systems that require split-rail power.
Built-in overload and short-circuit protection with automatic recovery means the module safeguards your connected equipment and restores operation on its own once a fault is cleared — no manual reset required. The compact form factor (79×41×24 mm) makes it easy to integrate into enclosures, PCBs, and custom builds.
Made in Mainland China.
Key Features
- Wide Universal Input: 85–265V AC / 100–300V DC, 47–63 Hz — compatible worldwide
- Dual Polarity Output: Available in ±5V, ±12V, ±15V, or ±18V models
- 18W Total Rated Power with efficiencies up to 86%
- Hiccup-Mode Short-Circuit Protection: Auto-recovers after fault removal
- Overload Protection: 110%–170% of rated output power
- Overvoltage Protection: Triggers at >50% above rated output
- Low Standby Power Consumption: ≤150mW at 230VAC
- Low Ripple: ≤150mV for clean, stable power delivery
- Operating Temperature: -20°C to +70°C; Storage: -40°C to +85°C
- Compact Dimensions: 79 × 41 × 24 mm
Full Specifications by Model
| Model | Main Output | Auxiliary Output | Rated Power | Efficiency |
|---|---|---|---|---|
| JY-18W+5V/-5V | +5VDC @ 1.8A (±1% accuracy) | -5VDC @ 1.8A (±3% accuracy) | 18W | 79% |
| JY-18W+12V/-12V | +12VDC @ 0.75A (±1% accuracy) | -12VDC @ 0.75A (±3% accuracy) | 18W | 83% |
| JY-18W+15V/-15V | +15VDC @ 0.6A (±1% accuracy) | -15VDC @ 0.6A (±3% accuracy) | 18W | 85% |
| JY-18W+18V/-18V | +18VDC @ 0.5A (±1% accuracy) | -18VDC @ 0.5A (±3% accuracy) | 18W | 86% |
General Electrical Parameters
- AC Input Range: 85–265 VAC
- DC Input Range: 100–300 VDC
- Frequency Range: 47–63 Hz
- Inrush Current: Cold Start 10A / 220VAC
- Leakage Current: <2mA / 220VAC (input); <5mA / 220VAC (output)
- Ripple: ≤150mV
- Power On/Off Overshoot: 10%
- Start-up / Rise / Hold Time: 2000ms / 30ms @ 115VAC; 1000ms / 30ms @ 230VAC
- Output Adjustment Range: Non-adjustable (fixed output)
- Operating Humidity: 20%–90% RH, non-condensing
- Storage Humidity: 10%–95% RH
What's in the Box
- 1× AC-DC Dual Output Step-Down Power Supply Module
For guidance on safe electrical installation practices, refer to OSHA's Electrical Safety guidelines.
Frequently Asked Questions
Q: What voltages does this dual output power supply module support?
A: This module is available in four dual-polarity output variants: ±5V, ±12V, ±15V, and ±18V. All models accept a universal input of 85–265V AC or 100–300V DC, making them compatible with power grids worldwide.
Q: Does the module recover automatically from a short circuit or overload?
A: Yes. The module uses hiccup-mode short-circuit protection — it automatically resumes normal operation once the fault (short circuit or overload) is removed, with no manual intervention required.
Q: What is the total rated output power of this module?
A: All models are rated at 18W total output power, split evenly between the positive and negative rails. Efficiency ranges from 79% (±5V model) to 86% (±18V model).
Q: Can this power supply module be used in industrial or harsh environments?
A: Yes. With an operating temperature range of -20°C to +70°C and humidity tolerance of 20%–90% non-condensing, this module is well-suited for industrial enclosures, automation panels, and embedded system applications.
Q: What are the dimensions of this power supply module?
A: The module measures 79 × 41 × 24 mm (L × W × H), making it compact enough to fit into most project enclosures, DIN rail mounts, or custom PCB designs.