LDT4635-431K [LEIDITECH]
Specifications for Chip Varistor;型号: | LDT4635-431K |
厂家: | Leiditech |
描述: | Specifications for Chip Varistor |
文件: | 总5页 (文件大小:1725K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
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:见图1 和表1
部件组成:见图2 和表2
Parts &Components: See Fig.2 and Table 2
图1 Fig.1
图2 Fig.2
表1 (Table 1)
类型Type A(mm) B(mm)
F(mm)
D(mm) E(mm)
C(mm)
4635
4±0.1
11.9±0.1
9.9±0.1
1.7±0.1
8.2±0.1
5±0.1
表2 (Table 2)
部分Part
①
②
③
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
①
4635
-
391
K
②
③
④
⑤
① 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
④ 压敏电压 Varistor Voltage @ 1mA
391 390V
-
-
⑤ 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 电气特性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
①
无可见机械损伤;
弯曲度 Warp: 2mm
抗弯强度
Bending
No visible mechanical damage.
②
速度 Speed<0.5mm/s
1
试验前后压敏电压变化率≦5%。
│△V1mA /V1mA│≦5%.
保持时间 Duration: 10s
Resistance
速度 Speed<0.5mm/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
①
无可见机械损伤;
No visible mechanical damage.
元件端电极的焊锡覆盖率大90%。
Wetting shall exceed 90% coverage.
焊接温度 Solder temperature:240±5℃;
浸渍时间 Dipping Duration:3±0.3s;
可焊性
3
4
②
Solderability
①
无可见机械损伤;
耐焊性
No visible mechanical damage.
焊接温度 Solder temperature:260±5℃;
浸渍时间 Dipping Duration:5±1s;
Resistance to
Soldering Heat
②
试验前后压敏电压变化率≦10%。
│△V1mA /V1mA│≦10%.
高低温交替冲击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.
①
无可见机械损伤;
No visible mechanical damage.
低温存放
Low Temp.
Storage/ cold
温度 Temperature: -40±2℃
②
试验前后压敏电压变化率≦10%。
│△V1mA /V1mA│≦10%.
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:正反各1 次
①
无可见机械损伤;
最大浪涌电流
Maximum Surge
Current
No visible mechanical damage.
②
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
A(mm)
8.0~9.0
B(mm)
1.6~1.8
C(mm)
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:≤70%RH。
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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