LD15-23B12R2

Suffix Breakdown

• LD: Compact enclosed AC-DC module series
• 15: Rated output power 15 Watts
• 23: Ultra-wide universal AC input range (85~305VAC)
• B: Single regulated output channel
• 12: Nominal output voltage 12VDC
• R2: New generation low no-load loss, reinforced isolation revision
• Suffix -M: Standard tray DIP through-hole packaging

1. Core Electrical Specifications

Input Parameters

• AC input range: 85 ~ 305 VAC (full universal mains, covers 110V/220V global grid)
• DC input compatible: 100 ~ 430 VDC
• No-load standby power consumption: ≤0.1 W, energy-saving design
• Internal switching frequency: 65 kHz

Output Parameters

• Output voltage: 12 VDC
• Max output current: 1.25 A
• Rated full power: 15 W
• Voltage precision: ±2%
• Line regulation: ±0.5%; Load regulation: ±1%
• Typical conversion efficiency: Up to 87% @ 230VAC full load
• Output ripple & noise (20MHz bandwidth): ≤150 mVp-p
• Max capacitive load: 8000 μF

Isolation Safety

• Input-output reinforced isolation voltage: 4000 VAC (1 minute withstand)
• Insulation resistance ≥ 1000 MΩ @ 500 VDC, meets OVC III overvoltage category

2. Full Protection Mechanisms

1. Short-circuit protection: Hiccup auto-recovery, allow long-term short without permanent damage
2. Over-current protection: Trigger at ≥110% rated output current, auto-recover after fault removal
3. Over-voltage protection (OVP): Hardware lockout to avoid damaging backend MCU/sensor circuits
4. Built-in over-temperature thermal shutdown protection

3. Mechanical & Packaging Info

• Package type: DIP dual in-line through-hole sealed plastic housing (UL94-V0 flame retardant)
• Overall dimension: 52.4 mm × 27.2 mm × 23.5 mm
• Pin pitch standard PCB through-hole layout
• Moisture Sensitivity Level: MSL 1, no dry bag required for storage
• Shipment options: Plastic tray bulk packaging; tape reel variant available on request

4. Environmental & Compliance Ratings

• Continuous operating temperature range: -40 ℃ ~ +85 ℃ (power derating needed above 70℃)
• Support working altitude up to 5000 meters
• Vibration resistance: 10~1000Hz 10G three-axis cyclic test
• EMC performance: Complies with CISPR32 / EN55032 Class B EMI standard
• Safety certifications: IEC/EN/UL62368-1, EN61558, EN60335-1; RoHS lead-free compliant

5. Key Product Advantages

1. Ultra-wide 85~305VAC input, compatible with unstable industrial mains and DC high-voltage bus
2. Reinforced 4kVAC isolation, safe for medical, industrial control low-voltage signal circuits
3. Ultra-low no-load power loss, ideal for long standby IoT monitoring equipment
4. Compact enclosed plastic shell, easy direct soldering on PCB without extra heat sink
5. Complete multi-layer fault protection, high reliability for unattended field devices

Typical Application Scenarios

• Industrial PLC, servo drive, CNC control board internal auxiliary power
• Smart building fire alarm, access control, HVAC monitoring terminal power supply
• Medical low-power diagnostic instruments, portable ITE test equipment
• Communication gateway, RS485/CAN bus isolated power rail
• Household intelligent control panels, digital signage, POS payment terminals
• Off-grid monitoring sensors, high-altitude field data loggers