典型性能 Typical performance

◆ 宽范围输入Wide Input voltage range (2:1)

◆ 转换效率（典型82%）Typical Efficiency 82%

◆ 开关频率Switching frequency：300KHz

◆ 长期短路保护，自动恢复Short circuit protection, Self-furbish

◆ 输入与输出高隔离Input-output isolate

◆ PCB板上直插式安装Board in-line type installs

◆ 金属外壳，输出纹波低 Metal case, Low Output Ripple

技术参数                    测试条件：如无特殊指定，所有参数测试均在标称输入电压、纯阻性额定负载及25℃室温环境下测得。

Technology parameter   Test condition: General Nominal Line, Tc=25℃，Rated resistant load unless other wise specified.

输入特性 Input

Min(v)

Nom(v)

Max(v)

Notes

输入电压Vdc Input voltage

4.5

5

9

2:1

9

12

18

2:1

18

24

36

2:1

36

48

72

2:1

72

110

144

2:1

遥控端Remote ON/OFF

无遥控端 Non

输入欠压保护

Input undervoltage protection

低于低端输入电压，电源关断输出，自动恢复 Lower than the low-input voltage protection ，Self-furbish

输出特性 Output

输出电压精度Voltage accuracy

Vo1,Vo2

±1.0%, ±2.0%

源效应Line regulation

标称负载，全电压范围

Nominal Load, full voltage range

Vo1,Vo2

±0.2%, ±1.5%

负载效应Load regulation

20% ~ 100%额定负载

Vo1,Vo2

±0.5%, ±4.0%

纹波及噪声Ripple and noise

20MHz BM 满载(Full Load) Vo≤5.0V, ≤50mVp-p; Vo≥48V, ≤180mVp-p; 

Other, ≤100mVp-p

动态响应 Dynamic response

25%的标称负载阶跃

25% Nominal load step change

△Vo1/△t

±4.0/500μ s%

输出电压调节 Voltage adjust

无调节端 Non

启动延迟时间Turn-on delay time

典型值 Typical value

≤200mS

一般特性 General

转换效率Efficiency

标称电压输入，满载

Nominal input, Full load

Vo≤5.0V,80%典型Typical

Vo>5.0V，82%典型Typical

开关频率Switching frequency

300KHz 典型 Typical

MAX 330KHz

工作温度Operating temperature

自由空气对流 Free air

工业级 Industrial Level

-25℃ ~ +55℃

军品级 Military Level

-40℃ ~ +85℃

储存温度Storage temperature

工业级 Industrial Level

-40℃ ~ +105℃

军品级 Military Level

-55℃ ~ +120℃

壳温Max case temperature

工业级 Industrial Level

+100℃

军品级 Military Level

+110℃

相对湿度Relative humidity

10%~90%

外壳材料case material

金属壳 Metal case

隔离电压Isolation Voltage

输入与输出 Input-output 1500 Vdc ≤ 0.5mA/1min；

输入与外壳Input-case 500Vdc ≤ 0.5mA / 1min

无故障间隔时间(MTBF)

2X10⁵Hrs

典型产品列表 Typical product tabulates

型号

TYPE

输入电压范围

Input voltage range

输出电压/电流（Output voltage / current）

VO1

VO2

VO3

V

mA

V

mA

V

mA

WD3-□S3V3A1

5V（4.5~9V）

12 V（9~18V）

24V（18~36V）

48V（36~72V）

110V（72~144V）

3.3V

600mA

WD3-□S05A1

5V

600mA

WD3-□S09A1

9V

330mA

WD3-□S12A1

12V

250mA

WD3-□S15A1

15V

200mA

WD3-□S24A1

24V

125mA

WD5-□S3V3A1

3.3V

1000mA

WD5-□S05A1

5V

1000mA

WD5-□S09A1

9V

550mA

WD5-□S12A1

12V

410mA

WD5-□S15A1

15V

330mA

WD5-□S24A1

24V

210mA

WD3-□D3V3A1

+3.3V

300 mA

-3.3V

300 mA

WD3-□D05A1

+5V

300 mA

-5V

300 mA

WD3-□D09A1

+9V

165 mA

-9V

165 mA

WD3-□D12A1

+12V

125 mA

-12V

125 mA

WD3-□D15A1

+15V

100 mA

-15V

100 mA

WD3-□D24A1

+24V

60 mA

-24V

60 mA

WD5-□D3V3A1

+3.3V

500 mA

-3.3V

500 mA

WD5-□D05A1

+5V

500 mA

-5V

500 mA

WD5-□D09A1

+9V

275 mA

-9V

275 mA

WD5-□D12A1

+12V

205 mA

-12V

205 mA

WD5-□D15A1

+15V

165 mA

-15V

165 mA

WD5-□D24A1

+24V

100 mA

-24V

100 mA

注：□ 代表输入电压标称值，因篇幅有限，以上只是部分产品列表，若需列表以外产品，请与本公司销售部联系。

□ Shows the nominal value of input voltage, due to space limitations ,the above list is only for some products, If other than a list of products, please contact the Company’s sales department.

封装尺寸图 Mechanical Data

封装尺寸 Mechanical Data

封装代号

L x W x H

A1

25.40 × 25.40 × 10.16mm

1.00 × 1.00 × 0.40inch

*注意：电源模块的各管脚定义如与选型手册不符，应以实物标签上的标注为准。

*Note：The power modules such as the definition of the pin does not match with the hand book, please refer to the actual item.