LDT4635-431K [LEIDITECH]

Specifications for Chip Varistor;
LDT4635-431K
型号: LDT4635-431K
厂家: Leiditech    Leiditech
描述:

Specifications for Chip Varistor

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LDT4635-391K~LDT4635-561K  
Specifications for Chip Varistor  
1 外形尺寸和部件组成 Shape & Dimensions and Parts &Components  
Shape & Dimensions: See Fig.1 and Table 1.  
外形尺寸:见1 1  
部件组成:见2 2  
Parts &Components: See Fig.2 and Table 2  
1 Fig.1  
2 Fig.2  
1 (Table 1)  
Type AmmBmm)  
Fmm)  
DmmEmm)  
Cmm)  
4635  
4±0.1  
11.9±0.1  
9.9±0.1  
1.7±0.1  
8.2±0.1  
5±0.1  
2 (Table 2)  
Part  
环氧树脂塑封料  
压敏芯片  
组成  
铜引脚  
2
产品标识(料号) Product Identification(Part Number)  
LDT  
4635  
-
391  
K
企业代码 Enterprise Code  
External Dimension A×B×D  
4×11.9×8.2  
② 外形尺寸 inch (mm)  
LDT  
片式压敏电阻 Chip Varistor  
4635  
③ 应用代号 Application Code  
压敏电压 Varistor Voltage @ 1mA  
391 390V  
-
-
压敏电压公差 Tolerance of Varistor Voltage  
K
±10%  
L
-10%  
1/5  
Rev :01.08.2021  
www.leiditech.com  
LDT4635-391K~LDT4635-561K  
3 电气特Electrical Characteristics  
压敏电压  
最大限位电压  
峰值电流  
最大工作电压  
Max. Working Voltage  
Varistor  
Voltage  
@1mA DC  
工作温度范围  
Operation Ambient  
Temperature  
Max. Clamping Voltage Peak Current  
型号  
(8/20μs)  
(8/20μs)  
Part No.  
VAC(V)  
VDC(V)  
320  
V1mA(V)  
390±10%  
430±10%  
Vc(V)  
Ic(A)  
Ip(A)  
2000  
2000  
LDT4635-391K  
LDT4635-431K  
LDT4635-471K  
LDT4635-511K  
LDT4635-561K  
250  
650  
710  
775  
845  
930  
5
5
-40+150℃  
-40+150℃  
-40+150℃  
-40+150℃  
-40+150℃  
350  
275  
300  
320  
350  
385  
410  
450  
470±10%  
510±10%  
560±10%  
5
5
5
2000  
2000  
2000  
4 检验和测试程序  
测试条件  
4
Test and Measurement Procedures  
Test Conditions  
如无特别规定,检验和测试的标准大气环境条件如下:  
a. 环境温度:20±15℃;  
Unless otherwise specified, the standard atmospheric  
conditions for measurement/test as:  
a. Ambient Temperature: 20±15  
b. Relative Humidity: 65±20%  
b. 相对湿度:65±20%;  
c. 气压:86 kPa~106 kPa  
如果对测试结果有异议,则在下述条件下测试:  
a. 环境温度:25±2℃;  
c. Air Pressure: 86kPa to 106kPa  
If any doubt on the results, measurements/tests should  
be made within the following limits:  
a. Ambient Temperature: 25±2℃  
b. Relative Humidity: 65±5%  
b. 相对湿度:65±5%RH;  
c. 气压:86kPa ~ 106kPa  
c. Air Pressure: 86kPa to 106kPa  
检查设备  
Inspection Equipment  
外观检查:20 倍放大镜;  
压敏电压测试:压敏电阻测试仪  
Visual Examination: 20×magnifier  
Varistor Voltage test: Varistor tester  
5 可靠性试验 Reliability Test  
序号  
项目  
测试条件/方法  
Test conditions / Methods  
要求  
No  
Items  
Requirements  
无可见机械损伤;  
弯曲度 Warp: 2mm  
抗弯强度  
Bending  
No visible mechanical damage.  
速度 Speed<0.5mm/s  
1
试验前后压敏电压变化率≦5%。  
V1mA /V1mA5%.  
保持时间 Duration: 10s  
Resistance  
速度 Speed0.5mm/s  
作用力 Apply force: 10N  
保持时间 Duration: 10±1s  
F
端头附着力  
Terminal  
端电极无脱落。  
2
No removal or split of the termination  
Strength  
2/5  
Rev :01.08.2021  
www.leiditech.com  
LDT4635-391K~LDT4635-561K  
无可见机械损伤;  
No visible mechanical damage.  
元件端电极的焊锡覆盖率90%。  
Wetting shall exceed 90% coverage.  
焊接温度 Solder temperature240±5;  
浸渍时间 Dipping Duration3±0.3s;  
可焊性  
3
4
Solderability  
无可见机械损伤;  
耐焊性  
No visible mechanical damage.  
焊接温度 Solder temperature260±5;  
浸渍时间 Dipping Duration5±1s;  
Resistance to  
Soldering Heat  
试验前后压敏电压变化率≦10%。  
V1mA /V1mA10%.  
高低温交替冲100 次。  
High and low temperatures Transform for 100 Cycles.  
30 min  
30 min  
150  
热冲击  
5
Thermal Shock  
30min  
-40℃  
20sec. (max.)  
高温存放  
High Temp.  
Storage  
温度 Temperature: 150±2℃  
6
7
8
保持时间 Duration: 1000±24 h.  
无可见机械损伤;  
No visible mechanical damage.  
低温存放  
Low Temp.  
Storage/ cold  
温度 Temperature: -40±2℃  
试验前后压敏电压变化率≦10%。  
V1mA /V1mA10%.  
保持时间 Duration: 1000±24 h.  
温度 Temperature: 150±2℃  
加载电压 Loading Voltage: VAC  
保持时间 Duration: 1000±24 h.  
高温负载  
.
High Temp. Load  
温度 Temperature: 40±2℃  
湿热负载  
湿度 Humidity: 90% 95% RH.  
9
加载电压 Loading Voltage: VAC  
保持时间 Duration: 500±12 h.  
.
Damp Heat Load  
脉冲波形 Pulse waveform: 8/20 us  
冲击次数:正反1 次  
无可见机械损伤;  
最大浪涌电流  
Maximum Surge  
Current  
No visible mechanical damage.  
Number of hit: each 1 time of +/- polarity  
冲击电流:最大浪涌电流  
10  
试验前后压敏电压变化率≦10%。  
V1mA /V1mA≦10%.  
Applied current: maximum surge current (Ip)  
3/5  
Rev :01.08.2021  
www.leiditech.com  
LDT4635-391K~LDT4635-561K  
6
编带 Taping  
1)载带尺寸(单位:mm)  
Carrier tape dimensions. (Unit: mm)  
A0  
类型 Type  
B0  
K0  
(±0.1)  
4.15  
W
P0  
(±0.05)  
4.0  
P1  
(±0.1)  
4.0  
P2  
(±0.1)  
2.0  
T Max.  
0.30  
(±0.1)  
(±0.1)  
12.3  
(±0.1)  
24.0  
4635  
9.3  
2)卷盘尺寸 Taping reel dimensions  
类型  
尺寸 Dimensions(mm)  
规格  
Spec.  
Type  
A
C
W
4635  
13"  
330±1.5  
27+2.0/-0.0  
72±1.0  
类型  
Type  
4635  
载带  
每盘数量(片)  
Quantity(pcs/reel)  
Tape  
塑载带  
1K  
3)包装数量 Packaging quantity  
7
焊接建议 Soldering Recommendation  
1)建议基板 Recommended Land pattern  
类型 Type  
Amm)  
8.0~9.0  
Bmm)  
1.6~1.8  
Cmm)  
5.0~6.0  
4635  
C
A
B
4/5  
Rev :01.08.2021  
www.leiditech.com  
LDT4635-391K~LDT4635-561K  
2)建议焊接曲线 Recommended Soldering Profile  
无铅锡膏:Sn/Ag/Cu (96.5/3.0/0.5)  
最高温度时最长焊接时间:10s  
允许回流焊次数:最多 2 次  
Pb Free Solder Paste: Sn/Ag/Cu (96.5/3.0/0.5).  
Max time at max temp: 10sec.  
Allowed Reflow time: 2x Max  
8
注意事项 Notes & Warnings  
储存  
Storage  
1.初始包装贮存温度:-10+ 40。  
2.相对湿度:70RH。  
1.Storage temperature in original packaging: -10~+40.  
2. Relative Humidity: 70%RH.  
3.远离腐蚀性气体和阳光。  
4.储存期:12 个月。  
3. Keep away from corrosive atmosphere and sunlight.  
4. Period of Storage: 12 Months.  
Shanghai Leiditech Electronic Co.,Ltd  
Email: sale1@leiditech.com  
Tel : +86- 021 50828806  
Fax : +86- 021 50477059  
5/5  
Rev :01.08.2021  
www.leiditech.com  

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