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 | 1A~7A | E221465 |
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 | 电极Electrode | 银Silver |
| 2 | 涂层Coating | 玻璃浆Glass cover |
| 3 | 端头End Termination | 镀银Silver plated |
| 4 | 熔丝Fuse element | 银Silver |
| 5 | 基片Substrate | 陶瓷Ceramic |
4.1保险丝上需有下列标示: 4. 标示Mark
The fuse shall have the following marking:
| 额定电流 Ampere Rating | 产品标示 Marking |
| 1A | H |
| 1.5A | K |
| 2A | N |
| 2.5A | O |
| 3A | P |
| 3.5A | R |
| 4A | S |
| 4.5A | X |
| 5A | T |
| 7A | 7 |
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 Ampere Rating | 额定电流的%% of Ampere Rating | 熔断时间Opening Time |
| 1A~5A | 100% | 4 hours Min(大于4小时) |
| 1A~5A | 250% | 5 S Max(小于5秒) |
| 1A~5A | 300% | 0.1 S~3 S |
| 1A~7A | 1000% | 0.2 ms~20 ms |
5.3额定分断能力:
Interrupting Rating:
50 Amperes at 63V DC (1A~4A)
100 Amperes at 32V DC (4.5A~5A)
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。
| SHENZHEN LANSON ELECTRONICS CO., LTD. | PRODUCT SPECIFICATION | EDITION NO. | A/4 |
| FILE NO. | LS/C-005-34 |
| MODEL: 12H | PAGE | PAGE 3 OF 4 |
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。