品牌介绍
成立时间1927年 总部位于美国芝加哥 全球超过5,000名员工 股票代码LFUS(纳斯达克)，市值$11.7亿 Littelfuse是美国第一家获得ISO9001认证的保险丝制造商 Littelfuse是美国第一家满足TS16949的电路保护制造商 2006年推出世界上最小的保护型晶闸管，从而将印刷电路板的空间要求减少了50%
主打产品系列
保险丝：轴向型、径向型及通孔型、盒型、表面贴装、中等电压
气体放电管：中低浪涌GDT、中高浪涌GDT、高电压GDT、超高浪涌GDT
应用领域
消费电子
商业系统
工业设备和仪器仪表
汽车电子
绿色能源
医疗设备
电信/数据通信电路
| 型号 | 最小工作温度 | 最大工作温度 | 极性 | 工作电压 | 钳位电压 | 通道 |
|---|---|---|---|---|---|---|
| 5KP22C | - 55 C | + 175 C | Bidirectional | 22 V | 35.5 V | 1 Channel |
| P4SMA36 | - 65 C | + 150 C | Unidirectional | 30.8 V | 49.9 V | 1 Channel |
| P4KE82 | - 55 C | + 175 C | Unidirectional | 70.1 V | 113 V | 1 Channel |
| P4SMA550CA | - 65 C | + 150 C | Bidirectional | 495 V | 760 V | 1 Channel |
| 3KP110CA | - 55 C | + 175 C | Bidirectional | 110 V | 177 V | 1 Channel |
| 3KP40 | - 55 C | + 175 C | Unidirectional | 40 V | 64.5 V | 1 Channel |
| 5KP14CA-B | - 55 C | + 175 C | Bidirectional | 14 V | 23.2 V | 1 Channel |
| P4KE12 | - 55 C | + 175 C | Unidirectional | 10.2 V | 16.7 V | 1 Channel |
| 15KPA120A | - 55 C | + 175 C | Unidirectional | 120 V | 193 V | 1 Channel |
| 15KPA20 | - 55 C | + 175 C | Unidirectional | 20 V | 34.3 V | 1 Channel |
| P4SMA51 | - 65 C | + 150 C | Unidirectional | 43.6 V | 70.1 V | 1 Channel |
| 30KPA132C | - 55 C | + 175 C | Bidirectional | 132 V | 213 V | 1 Channel |
| 5KP190C | - 55 C | + 175 C | Bidirectional | 190 V | 310 V | 1 Channel |
| P4SMA51C | - 65 C | + 150 C | Bidirectional | 43.6 V | 70.1 V | 1 Channel |
| P4SMA68A | - 65 C | + 150 C | Unidirectional | 58.1 V | 92 V | 1 Channel |
| P4KE150 | - 55 C | + 175 C | Unidirectional | 128 V | 207 V | 1 Channel |
| P4SMA300CA | - 65 C | + 150 C | Bidirectional | 256 V | 414 V | 1 Channel |
| 3KP12C | - 55 C | + 175 C | Bidirectional | 12 V | 19.9 V | 1 Channel |
| 5KP54C | - 55 C | + 175 C | Bidirectional | 54 V | 87.1 V | 1 Channel |
| P-5KP33CA | - 55 C | + 175 C | Bidirectional | 33 V | 53.3 V | 1 Channel |
