1. product features:（1） Shell material: PC / ABS + PC, high temperature resistance 120 ℃, fire rating: UL 94V-0;（2） Constant voltage working mode: ± 5%;（3）Brand IC scheme design, stable and reliable performance and low loss;（4） Environmental protection complies with ROHS 2.0;2. Electrical characteristics:（1） Input voltage / frequency: AC 100 ~ 240V (90 ~ 264v), 50 / 60Hz (47 / 63Hz)（2）Output power: Max 12W（3） Output voltage: DC 3V ~ 12V（4） Output current: 0.1A ~ 2A（5） Load adjustment range: ± 5%（6） Energy efficiency: meet class v（7） Withstand voltage test: AC 3000V / min 5mA / 3S（8）Insulation impedance: DC 500V 100m Ω

A25 5W - USB power adapter	A25 USB - interchangeable power adapter

3. Protection function:（1） Overcurrent protection: 120%（2） Overvoltage protection: 120%（3）Short circuit protection: automatic recovery4. Reliability test:（1） Aging test: the product shall be aged for at least 2 hours under the environment of 40 ℃± 5 ℃ and 100% rated load;（2）MTBF estimation: at least 50000 hours, under 25 ℃ environment and input and full load conditions;（2） Drop test: 1m high, drop onto the hardwood with thickness of 30mm, and the hardwood shall be placed on the cement base or equivalent inelastic ground;5. Environmental requirements:（1） Working temperature: 0 ~ 40 ℃（2）Storage temperature: - 20 ~ 85 ℃（3） Working humidity: 5 ~ 95% RH6. Safety certification:Japanese PSE, American UL, Chinese CCC, Australian SAA, European CE, CB, GS