DT68-52D

HENGDIAN GROUP DMEGC MAGNETICS Co., LTD 1/6

1、外形和尺寸（Unit：mm） Shape and Dimensions 有效磁路长度 EFFECTIVE MAGNETIC PATH LENGTH有效横截面积 EFFECTIVE ACROSS SECTIONAL AREA有效体积 EFFECTIVE VOLUME 4.23cm (REF) 0.358cm2 (REF) 1.52cm3 (REF) 2、外观要求 Appearance Requirement 1、铁粉心表面应进行绝缘涂覆处理。 The surface of the iron powder core should be dealt with insulating coating. 2、涂覆后产品表面光滑，无粘纸、起泡、起层、开裂、疙瘩现象。 The surface should be smooth, without bur, blistering, lamination, crack and blotch after coating. 3、掉角不超过两处，每处掉角面积小于1.0 mm2。 There should be no more than 2 chips. Each chip of the product should be less than 1.0 mm2. 备注：该外观要求中英文对照以中文为准，英文仅供参考。 横店集团东磁股份有限公司 DT68-52D REV A

HENGDIAN GROUP DMEGC MAGNETICS Co., LTD 2/6

3、电磁和机械特性 Electromagnetic and Mechanical Property 项目(Item) 数值(Value) 测试条件(Test Condition) 仪器(Equipment)： CH1061A 电感L (8.0±0.80)μH Inductance 频率(Frequency)： 10kHz 线圈(Coil)： Φ0.4mm×10Ts 温度(Temperature)：25±5℃ 电压(Voltage)： 0.05Vrms 仪器(Equipment)： CH1061A Q值 Q Value 频率(Frequency)： 100kHz ≥20 线圈(Coil)： Φ0.4mm×10Ts 温度(Temperature)：25±5℃ 电压(Voltage)： 1.0Vrms 仪器(Equipment)： CH9071A 频率(Frequency)： 50Hz 漏电流(Leak Current)：0.5mA 介质耐压 >1200Vrms Dielectric Strength 时间(Time)： 10Sec 铜板导电泡棉或导电橡胶F加一定的压力耐压测试仪产品材料 Material 涂层材料 Coating Material 颜色 Color 储存温度 铁粉 Iron Powder 环氧树脂 Epoxy Resin 绿色/蓝色 Green/Blue -10℃～+40℃ Preserve Temperature 横店集团东磁股份有限公司 DT68-52D REV A

HENGDIAN GROUP DMEGC MAGNETICS Co., LTD 3/6

4、材料特性 Material Characteristics 11010090Percent Initial Permeability (%µ0) -52 807060504030201001101001000H-DC Magnetizing Force (oersteds) Note:A/cm=0.7958 oersteds 10k -52 1kCore loss (mw/cm)3500kHz100kHz25kHz10kHz1kHz10010101001k-410kBpk-Peak AC Flux Density (gauss) Note: tesla=gauss×10 备注：图中列出了材料特性的典型值，用DT50-52标准样环测试，供设计者参考 横店集团东磁股份有限公司 DT68-52D REV A

HENGDIAN GROUP DMEGC MAGNETICS Co., LTD 4/6

100908070Effective Permeability -52 60504030201001k10kFrequency (Hertz)100k1M 备注：图中列出了材料特性的典型值，用DT50-52标准样环测试，供设计者参考 5、包装 Packing 1、产品用塑料袋装起，每袋250只。 The products are put in the plastic bag, 250 pieces every bag. 2、将产品装入牛皮纸质双瓦楞纸箱中，每箱4袋。箱中有合格证。 The products are put in carton box. There are 4 bags in the box. There are certificates of quality in the box. 3、包装外标识内容包括：型号、数量、生产批号、检验工号、毛重及净重。 External Packing mark includes: DMEGC part number, quantity, Lot Number, inspector number, gross weight and net weight. 备注：该包装要求中英文对照以中文为准，英文仅供参考。 横店集团东磁股份有限公司 DT68-52D REV A

HENGDIAN GROUP DMEGC MAGNETICS Co., LTD 5/6

6、验收规则 Inspection Rules

1、产品的验收按GB/T2828.1-2003规定进行,其检查水平: 外观、尺寸Ⅱ,AQL:0.65;L值、Q值,S-3,AQL:0.65。

The work of cores inspection must be conduct per GB/T2828.1-2003,with its examination level: appearance and dimensions Ⅱ,AQL value: 0.65; inductance, Q value,S-3, AQL: 0.65.

2、客户在接收到产品后一个月内须验收完毕,并请将验收结果书面通知供货方,否则视为已验收合格。

Inspection will be completed and inspection result will be feedback to DMEGC in written within one month after cores are received from DMEGC or it will be considered approved by customer.

7、说明 NOTE

1、本承认书的数据更改需经双方确认，任何一方单独修改无效。

Any revision to the specification Approval must be confirmed by both the supplier and the customer, otherwise the revision is invalid.

2、本承认书在客户收到7天之内，必须签章返回，逾期视为默认。

The specification Approval should be sent back to the supplier with customer’s chop on it within 7 days after receiving it, or we will take it as approved by customer.

横店集团东磁股份有限公司 DT68-52D REV A

HENGDIAN GROUP DMEGC MAGNETICS Co., LTD 6/6