China Double Port USB Charging USB Charger Without LED/USB Socket, Find details about China 5V 4.2A USB Charger Without LED, USB Charger from Double Port USB Charging USB Charger Without LED/USB Socket
Serial No. | Parameter | Description |
1 | Panel Material | PC 94-V0 |
2 | Inside material | Tin phosphorous bronze |
3 | Surface finish | Glossy |
4 | USB DC output | 4.2A/5V |
5 | Output voltage tolerance | ±5% |
6 | Output power | Max.21W |
7 | Service life in hours | 3000h 21W |
8 | Efficiency | 78% |
9 | No-load power consumption | Max 0.2W |
10 | Input voltage | 100~240v/AC 50~60Hz |
11 | Color | White RAL9003 Black |
12 | Number of terminals | 2 screw terminals |
13 | Electrical insulation class | Class II |
14 | IK degree of protection | IK04 |
15 | IP degree of protection | IP21 |
16 | Dimension of product | 45*45mm |
Serial No. | Parameter | Description |
1 | Operating temperature | -10ºC~+40ºC;Operating |
2 | humidity | 20%~90% RH |
3 | Storage temperature | -20ºC~+85ºC;storage |
4 | humidity | 10%~95% RH |
5 | Resistance to pressure | ≥3Kv/AC 1min |
6 | Isolation resistance | 500v DC/100MΩ |
Testing Item | Testing Standard | Testing Data |
Aging test | USB charger for 2 hours with LED lights must always light | 2 hours |
High and low pressure 90V-264V to normal operation | 90V-264V normal | |
Power test | Rated output voltage range: no-load: 5V±5%, load:5V±5% | No-load: 4.92-4.95V, load: 5.04-5.1 |
Rated output/ currenturrent protection: Max. 1.37 times as rating current) | 4.2A/4.65A | |
Output ripple: load 4.2A, Vpp<200mV | 86.9mV | |
Short circuit protection: output positive and negative short for 2 minutes, after the break to work properly | 2 minutes | |
Pin output voltage: D-: 2.75VDC/D+:2VDC, subject to actual test value | D-:2.63VDC/D+:2.68VDC | |
Pressure test | Under normal climatic conditions, the input and output terminals should withstand the corresponding voltage(USB-10, 101 series for the 1500V, the other is more than 3000V), Generally every test a minute without breakdown flashing phenomenon was qualified, and leakage≤5mA. | 3000V 0.68mA-0.69mA |
Insulation resistance test | In the normal temperature environment, AC input plug and DC input plug between the input DC500V, 1 minute after the insulation resistance of 7 trillion or more | ∞ |
Grounding resistance | In any case the resistance shall not exceed 100mΩ | |
Temperature rise test | At room temperature 30ºCrated work, the charger rated for 2 h after the measurement of its shell surface temperature change <1ºC/ h that the temperature is stable, this time measuring the surface temperature of its shell <50ºC | Pass |
Limit load | Test the product load current limit can run the load value | pass |