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工作原理：通常以并联方式接入电路。正常工作时处于高阻态，不影响信号传输；当出现瞬态过压时，会迅速转为低阻态，为静电电流提供泄放路径。
主要特点：响应速度极快（纳秒级），电容低，能有效将电压钳位在安全水平。
典型应用：用于保护HDMI、USB等高速数据传输接口的I/O端口。
| Part Number | Directional | Vrwm / Max(V) | Vbr / Min(V) | Ir @Vrwm / Max(uA） | Vc / Typ(V) | Ipp(A) | Cj / Typ(pF） | Cj / Max(pF） | Package |
|---|---|---|---|---|---|---|---|---|---|
| ST0501D4-01F | Bi | 5 | 6.5 | 0.1 | 11 | 8 | 0.16 | 0.2 | DFN1006-2 |
| ST0304S2 | Uni | 3.3 | 3.5 | 0.2 | 20 | 5 | 0.6 | 0.8 | SOT-23-6 |
| ST0504S3-5L | Uni | 5 | 6 | 0.2 | 11 | 2 | 0.6 | - | SOT-353 |
| SSM712 | Bi | 12 | 13 | 0.5 | 20 | 17 | 40 | 60 | SOT-23 |
| SSM712 | Bi | 7 | 7.8 | 0.5 | 11 | 17 | 40 | 60 | SOT-23 |
| ST0512H-143 | Uni | 5 | 6 | 0.5 | 15 | 6 | 0.8 | - | SOT-143 |
| ST0512S-23 | Uni | 5 | 6 | 0.5 | 16 | 5 | - | 0.8 | SOT-23 |
| ST0314D25-04F | Uni | 3.3 | 5.5 | 0.1 | 7 | 6 | 0.2 | 0.3 | DFN2510-10 |
| ST0514S36 | Uni | 5 | 6 | 0.2 | 15 | 4 | 0.6 | 0.8 | SOT-363 |
| ST0518D10 | Uni | 5 | 6 | 0.2 | 18 | 5 | 0.3 | 0.4 | DFN4120-10 |
| ST0321D2 | Bi | 3.3 | 6 | 0.2 | 25 | 5 | 0.3 | 0.5 | DFN0603-2 |
| ST0121D2 | Bi | 1 | 1.4 | 0.5 | 6 | 4 | 0.35 | 0.5 | DFN0603-2 |
| ST0521D2-01D | Bi | 5 | 5.8 | 0.2 | 8 | 5.5 | 0.3 | 0.4 | DFN0603-2 |
| ST0121D2-01F | Bi | 1.5 | 4 | 0.1 | 3 | 5 | 0.2 | 0.25 | DFN0603-2 |
| ST0321D2-01R | Bi | 3.3 | 3.6 | 0.1 | 7.5 | 9 | 0.4 | 0.5 | DFN0603-2 |
| ST0321D2H | Bi | 5 | 6 | 0.2 | 5.5 | 6 | 0.22 | 0.32 | DFN0603-2 |
| ST0521D2L | Bi | 5 | 6 | 0.2 | 25 | 4 | 0.2 | 0.3 | DFN0603-2 |
| ST0321D2L | Bi | 3.3 | 5 | 0.1 | 6 | 4 | 0.13 | 0.17 | DFN0603-2 |
| ST4521D2S | Bi | 5 | 8 | 1 | 10 | 4 | 0.42 | 0.5 | DFN0603-2 |
| ST0321D2S-01L | Bi | 3.3 | 4 | 0.5 | 6 | 10 | 0.6 | 0.8 | DFN0603-2 |
| ST0521D2S-01R | Bi | 5 | 6 | 0.5 | 5.1 | 6 | 0.17 | 0.2 | DFN0603-2 |
| ST0321D4 | Bi | 3.3 | 5 | 0.2 | 25 | 4 | 0.3 | - | DFN1006-2 |
| ST0521D4 | Bi | 5 | 5.8 | 0.2 | 8 | 5.5 | 0.26 | 0.4 | DFN1006-2 |
| ST0121D4 | Bi | 1 | 1.4 | 0.5 | 6 | 4 | 0.35 | 0.5 | DFN1006-2 |
| ST1821D4-01F | Bi | 18 | 19 | 1 | 8 | 4 | 0.4 | 0.5 | DFN1006-2 |
| ST4521D4-3 | Bi | 4.5 | 5 | 1 | 20 | 300 | 350 | - | DFN2020-3 |
| ST0321D4H | Bi | 3.3 | 4 | 0.2 | 5.5 | 6 | 0.22 | 0.32 | DFN1006-2 |
| ST0321D4L | Bi | 3.3 | 5 | 0.1 | 5.4 | 4 | 0.13 | 0.17 | DFN1006-2 |
| ST4521D4S | Bi | 5 | 8 | 1 | 10 | 4 | 0.42 | 0.5 | DFN1006-2 |
| ST0522D16 | Uni | 5 | 6 | 0.5 | 15 | 5 | - | 0.8 | DFN1610-6 |
| ST0322D16S | Uni | 3.3 | 5.5 | 0.5 | 4.5 | 10 | 1 | - | DFN1610-6 |
| ST0324D25 | Uni | 3.3 | 3.5 | 0.5 | 10 | 5 | 0.6 | 0.8 | DFN2510-10 |
| ST0324D25J | Uni | 3.3 | 5 | 0.5 | 5.5 | 6 | 0.25 | 0.32 | DFN2510-10 |
| ST0324D25M | Bi | 3.3 | 5 | 0.2 | 7 | 4 | 0.15 | 0.22 | DFN2510-10 |
| ST0324D25S | Uni | 3.3 | 3.5 | 0.2 | 6 | 10 | 1 | - | DFN2510-10 |
| ST0331D2 | Uni | 3.3 | 4.2 | 0.5 | 16 | 5 | 0.6 | - | DFN0603-2 |
| ST0341D4 | Bi | 3.3 | 5 | 0.5 | 10 | 10 | - | 6 | DFN1006-2 |
| ST0341D4-01A | Bi | 3.3 | 4 | 0.2 | 16 | 20 | 0.6 | 0.9 | DFN1006-2 |
| ST0341D4S | Bi | 3.3 | 3.8 | 0.2 | 8 | 26 | 1 | - | DFN1006-2 |
| ST0141D4S | Bi | 1.8 | 8 | 0.2 | 6.5 | 8 | 0.9 | 1.2 | DFN1006-2 |
| ST0341S3 | Bi | 3.3 | 4 | 0.2 | 16 | 21 | 0.6 | 1 | SOD-323 |
| ST3641S3 | Bi | 36 | 38 | 0.2 | 75 | 4.5 | - | 1 | SOD-323 |
| ST0341S3H | Bi | 3.3 | 4 | 0.2 | 17 | 35 | 1 | 3 | SOD-323 |
| ST0341S5 6Y | Bi | 3.3 | 3.5 | 0.2 | 10 | 3 | 3 | - | SOD-523 |
| ST0344D26 | Uni | 3.3 | 3.5 | 0.5 | 18 | 25 | 3.2 | 5 | DFN2626-10 |
| ST0344D32 | Uni | 3.3 | 3.5 | 0.5 | 25 | 40 | 3.5 | 5 | DFN3020-10 |
| ST0352S-23 | Uni | 3.3 | 4 | 0.5 | 15 | 20 | 135 | - | SOT-23 |
| ST0354S2 | Uni | 3.3 | 3.5 | 0.5 | 14 | 22 | 3 | 5 | SOT-23-6 |
| ST0361D2 | Bi | 3.3 | 3.5 | 0.2 | 10 | 8 | 15 | 20 | DFN0603-2 |
| ST0361D2-01M | Bi | 3.3 | 3.5 | 0.1 | 10 | 7 | - | 15 | DFN0603-2 |
| ST0561D2-01M | Bi | 5 | 5.4 | 0.1 | 8.5 | 5.5 | 15 | 20 | DFN0603-2 |
| ST0361D4 | Bi | 3.3 | 3.5 | 0.2 | 7 | 11 | 15 | 20 | DFN1006-2 |
| ST0261D4 | Bi | 2.5 | 2.7 | 0.1 | 7 | 12 | 12 | 20 | DFN1006-2 |
| ST1261N4L | Bi | 12 | 13 | 0.1 | 18 | 8 | 8 | 10 | DFN1006-2 |
| ST0261S3 | Bi | 2.5 | 2.7 | 0.1 | 7 | 12 | 12 | 20 | SOD-323 |
| ST0361S3 | Bi | 3.3 | 4 | 0.5 | 13 | 40 | 90 | - | SOD-323 |
| ST0361S3L | Bi | 3.3 | 4 | 0.5 | 10 | 16 | 35 | - | SOD-323 |
| ST0361S5 | Bi | 3.3 | 3.5 | 0.2 | 9 | 9 | 12.5 | 20 | SOD-523 |
| ST0561S9-01M | Bi | 5 | 5.5 | 0.1 | 13 | 8 | 15 | 18 | SOD-923 |
| ST0362D4-02M | Bi | 3.3 | 3.5 | 0.1 | 10 | 7 | - | 15 | DFN1006-3 |
| ST0362S23 | Uni | 3.3 | 4 | 0.5 | 12 | 40 | 80 | - | SOT-23 |
| ST4571D4 | Uni | 4.5 | 4.8 | 0.1 | 15 | 40 | - | 150 | DFN1006-2 |
| ST4871D6 | Uni | 4.5 | 4.8 | 0.2 | 15 | 180 | - | 650 | DFN1610-2 |
| ST2071D6L | Uni | 20 | 22 | 1 | 35 | 70 | 260 | 280 | DFN1610-2 |
| ST4571D20 | Uni | 4.5 | 4.8 | 0.2 | 15 | 280 | 680 | 1300 | DFN2020-3 |
| ST0371S3 | Uni | 3.3 | 3.5 | 0.2 | 10 | 10 | 60 | - | SOD-323 |
| ST0471S3 | Uni | 4.5 | 4.8 | 1 | 18 | 140 | 1000 | - | SOD-323 |
| ST0571S3-01H | Uni | 5 | 5.5 | 1 | 9.5 | 110 | 330 | 400 | SOD-323 |
| ST0571S3-01R | Uni | 5 | 5.5 | 0.1 | 9 | 50 | 110 | 210 | SOD-323 |
| ST0371S5 | Uni | 3.3 | 5 | 0.5 | 14 | 25 | - | 200 | SOD-523 |
| ST0371S5-01M | Uni | 3.3 | 4 | 0.1 | 7.6 | 20 | 45 | - | SOD-523 |
| ST0574S35L | Uni | 5 | 6 | 0.2 | 12 | 8 | 60 | - | SOT-353 |
| ST0381D2 | Bi | 3.3 | 3.7 | 0.5 | 8 | 21 | 30 | 50 | DFN0603-2 |
| ST0381D4 | Bi | 3.3 | 4 | 0.5 | 12 | 35 | 50 | 70 | DFN1006-2 |
| ST0281D4 | Bi | 2.5 | 2.7 | 0.1 | 7 | 24 | 24 | 40 | DFN1006-2 |
| ST4581D4 | Bi | 4.5 | 4.9 | 0.2 | 9.5 | 50 | 100 | 200 | DFN1006-2 |
| ST4581D6 | Bi | 4.5 | 4.6 | 0.2 | 18 | 160 | - | 480 | DFN1610-2 |
| ST4581H4 | Bi | 4.5 | 4.8 | 0.5 | 8.5 | 100 | 200 | 300 | DFN1006-2 |
| ST4581S3 | Bi | 4.5 | 4.6 | 0.5 | 18 | 160 | - | 480 | SOD-323 |
| ST2091D6H | Uni | 20 | 22 | 0.2 | 43 | 40 | - | 260 | DFN1610-2 |
ShenZhen Sursemi Technology Co., Ltd
深圳市宝安区航城街道宝星智荟城8栋6楼
