1. 适用范围Scope of Application
本产品适用于各种电子电路中起过电流保护作用。
This product is suitable for various kinds of electronic machines to work for over current protection.
2. 相关标准及认证Relevant Standards and Certification
2.1执行标准Standard: UL248-1、UL248-14
2.2认证Certification
认证 Certification | 认证范围 Scope of Certification | 证书编号 Certification No. |
UL | 50Ma~7A | E340427 |
3. 结构尺寸及原材料明细Structure Size and Material Detail
3.1 结构尺寸Structure Size (unit: mm)
3.2 原材料明细Material Detail、
编号 No. | 零件名称Part Name | 材质Material |
① | 端帽End cap | 黄铜表面镀金Gold plated brass |
② | 陶瓷管 Ceramic tube | 陶瓷 Ceramic |
③ | 熔丝 Fuse element | 合金线Alloy |
PRODUCT SPECIFICATION | EDITION NO. | A/1 | |
FILE NO. | LS/C-005-34 | ||
MODEL: | PAGE | PAGE 2 OF 4 |
4. 标示Mark
4.1保险丝上需有下列标示: The fuse shall have the following marking：
标志 logo
额定电流 Ampere rating 2.5A
5. 电气特性Electrical Characteristics
5.1实验条件: 所有测试环境温度为25±5℃。
Test Condition: All electrical characteristics tests are conducted at an ambient temperature of 25±5℃.
5.2时间-电流特性
Time-Current Characteristics
额定电流的% % of ampere rating | 熔断时间 Opening time |
100% | 4 hours Min |
200% | 1s~60 s |
800% | 20 ms~100 ms |
5.3额定分断能力：
Interrupting Rating:
50 Amperes at 125 V /250 V AC (100mA ~7A)
50 Amperes at 125V DC (100mA ~7A)
6. 环境特性Environmental Characteristics
6.1使用温度范围Operating Temperature
-40℃~125℃。
6.2保存条件Storage Conditions
相对湿度≤75%，可以存放3年。
Relative humidity≤75%, store 3 years.
7. 可靠性试验Reliability Test
7.1冷热冲击试验Thermal Shock Test
MIL-STD-202G, Method 107G。
7.2防潮湿试验Moisture Resistance Test
MIL-STD-202G, Method 106G。
7.3振动试验Vibration Test
MIL-STD-202G, Method 201A。
7.4可焊性试验Solderability Test
MIL-STD-202G, Method 208H, IEC60127-2, IEC60068-2。
PRODUCT SPECIFICATION | EDITION NO. | A/1 | |
FILE NO. | LS/C-005-34 | ||
MODEL: | PAGE | PAGE 3 OF 4 |
. | PRODUCT SPECIFICATION | EDITION NO. | A/1 |
FILE NO. | LS/C-005-34 | ||
MODEL: | PAGE | PAGE 4 OF 4 |
9. 焊锡参数Soldering Parameters
9.1 回流焊Reflow Slodering
9.1.1 温度Temperature 260℃
9.1.2 时间Time ≤10 seconds
9.1.3 最大可以承受三次回流焊
Capable for three times reflow
9.2 波峰焊Wave Soldering
9.2.1 温度Temperature 260℃
9.2.2 时间Time ≤10 seconds
9.3 手工焊锡Hand Soldering
9.3.1 温度Temperature 380℃
9.3.2 时间Time ≤3 seconds
10. 包裝Packing
10.1自动机器包装1000PCS/卷。Automaton taped 1000PCS per reel.
10.2包装尺寸Packing Size（unit: mm）
