APPROVAL SHEET
（承认书）
FOR
CAR CHARGER
（车载充电器）
深圳市中正仁和电子有限公司
GOODWIN TECHNOLOGY(HK)CO.,LTD
TEL:0755-******** FAX:0755-********
1．Apply Scope（适用范围）
This specification shall be applied to car charger 5V/2.4A
本规格适用于5V/2.4A车载充电器。
2. Quote Criterion（引用标准）
GB2423.1-89 GB2423.2-89 GB2423.8-81
GB/T2423.9-93 GB/T2423.10-1995
3. Input Characteristics（输入特性）
3.1 Rated Input Voltage（额定输入电压）
It is normal for 12V dc to 24V dc input DC voltage.
( 额定输入直流12V~24V)
3.2 Rated Input Current（额定输入电流）
It is normal for 0A to 1.25A input current
( 额定输入直流0A~1.25A)
3.3 Efficiency（效率）
70% min. measured at 12Vdc to 24Vdc input voltage, maximum load and include the DC cable loss.
(在输入电压12Vdc-24Vdc，输出最大负荷下，充电器工作效率大于80%)
4. Output Characteristics（输出特性）
4.1 Output Voltage （输出电压）
No load voltage (空载输出电压):DC 4.75V-5.25V
No load voltage (空载输出电压):DC 4.75V-5.25V
4.2 Rated Output Current （额定输出电流）
The output current will be performed from2.4A
( 额定输出电流2.4A )
4.3 Rated Power （额定功率）
The rated power is 12Watts.
(输出功率12 Watts )
5. Environmental requirements（环境要求）
5.1 Working temperature （工作温度）
0°C TO 40°C
5.2 Storage temperature（储藏温度）
-20°C TO +70°C
5.3 Work humidity（工作湿度）
35~85% RH.
5.4 Storage humidity（储藏湿度）
5 ~ 95% RH.
6. Drop test（跌落试验）
Products from 120 cm in fall 6 times, falling direction of arbitrary, fell on the hard floor, after the experiment and experimental former state less mechanical damage and other bad condition, and don't appear electrical performance damage
产品从120cm处落下6次，落下的方向任意，落在硬地板上，实验后与实验前状态比较没有机械破损等不良状况,且不出现电器性能损坏
7. 插拔实验
Plug and connector after normal plug 10 times, plug each insert strength is not more than 30 n, pull out in 10 to 50 n after between continuous pull plug 3000 times.
Appearance is allowed to have mild damage, but conducting performance is good 插头与连接器经正常插拔10次，插头每次插入力度不大于30N，拔出在10-50N之间后持续拔插3000次。外观允许有轻度损伤，但导通性能良好
8. protection（保护）
8.1 Over-current protection（过流保护）
Output current more than 2.8A, charger protection.
输出电流超过2.8A时,充电器保护.
8.2 Thermal protection（过温保护）
Output over load, the main components of temperature more than 125 ℃
protection (shell temperature was 65 ℃) circuit protection, the main components of the temperature dropped to 50 ℃ below normal output
输出过负载时,主要元件温度超过125℃保护(外壳温度≥65℃)电路保护,主要元件温度降到50℃以下恢复正常输出
8.3 Short circuit protection（短路保护）
In the 12 v and 24 v input, output short circuit, no damage to the product, cancel the short circuit back to normal output.
在12V-24V输入时,输出短路后,不损坏该产品，取消短路恢复正常输出.
9. Mechanical properties（机械性能）
9.1 appearance（外观）
Visual inspection, no appearance anomaly, the surface have no obvious scratch,
burr and other mechanical damage, exposed metal part no rust. Other limit
according to the sample confirmation.
目视检查，无外观异常，表面无明显划痕、毛刺及其它机械损伤，外露金属部分无锈。其它限度根据样品确认。
9.2 Shell material（外壳材质）
Flame resistant to follow UL94V-0
耐燃性遵循UL94V-0 以上
10.Mechanical Features（外形尺寸图）