ESDS314DBVR - 4-Channel 30kV TVS Array | Texas Instruments
料号： ESDS314DBVR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
ESDS314DBVR 概述
A TVS diode array is a circuit-protection component placed beside a connector or other entry point to divert electrostatic-discharge and surge energy away from sensitive circuitry. TVS diodes belong to the surge-protector and discrete-semiconductor hierarchy, while this quad-array package integrates four protection channels into one compact SOT-23-5 device. Its low capacitance helps preserve high-speed data integrity while the unidirectional topology provides a defined path for positive and negative transients.
Key verified features include four protected lines, 4.5 pF capacitance per line, ±30 kV ESD capability, 25 A peak-pulse surge current, and a 6.5 V typical clamp voltage at the stated distributor test condition. TI identifies USB and Ethernet as principal uses and states that the ESDS31x family is rated above the maximum Level 4 requirement in IEC 61000-4-2. The same-family SOT-23-5 construction also supports compact connector-entry layouts.
The device should be selected according to the signal's normal operating voltage, data rate, connector geometry, and system grounding. Low capacitance is valuable because every parasitic load at a connector can degrade edge amplitude, reduce eye margin, and add channel-to-channel skew. At 4.5 pF per channel, the ESDS314 is appropriate for USB and Ethernet protection where compactness and low loading are priorities, provided the protected signal amplitude remains below the device's supported operating range.
Typical applications include USB 2.0 ports, 10/100 Ethernet interfaces, SATA data lines, general-purpose connector protection, embedded USB ports, and industrial communications equipment. Place the array close to the external connector so surge current has a short path into the protection network and chassis or signal-ground return. Keep routing over the protected lines short, solid, and away from sensitive analog nodes.
The primary design trade-off is clamp voltage versus capacitance. A tighter clamp protects downstream circuitry more effectively, but a lower clamp device may add more capacitance. Engineers should verify the complete data path and connector transient requirements rather than relying only on the nominal TVS rating. The supplied data does not expose a detailed SOT-23-5 pin map, so pin assignments must be confirmed in the TI datasheet before layout release.
This page consolidates verified manufacturer and distributor facts, identifies the ESD and surge-protection use cases, and separates confirmed specifications from information still needed for pricing, lifecycle, pin mapping, and alternate sourcing. It also provides practical placement guidance so the array protects the connector without unnecessarily degrading signal integrity.
直接替换替代料： ESDS314DBVR ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
ESDS314DBVR-ES
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ESDS314DBVR 规格参数
| Protection Channels | 4 channels |
| Input Capacitance per Channel | 4.5 pF |
| Nominal Protected Signal Voltage | 3.6 V |
| ESD Protection Rating | ±30 kV |
| Peak Pulse Surge Current | 25 A at 8/20 µs |
| Typical Clamp Voltage | 6.5 V |
| Protection Topology | Unidirectional |
| System ESD Level | Above the IEC 61000-4-2 Level 4 maximum level |
| 封装 | SOT-23-5, surface mount |
| Primary Application | USB and Ethernet data-line protection |
| Additional Application | SATA and general-purpose data-line surge protection |
| Component Type | Quad TVS ESD protection diode array |
ESDS314DBVR sot-23-5, surface mount 引脚配置指南
ESDS314DBVR（sot-23-5, surface mount 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： ESDS314DBVR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ESDS314DBVR 适用于 6 应用s: USB 2.0 Data-Port Protection, 10/100 Ethernet Interface Protection, SATA Data-Line Protection, Industrial Communication Connectors, Embedded USB-C Power and Data Entry, General-Purpose Data-Line Surge Protection.
USB 2.0 Data-Port Protection
The ESDS314DBVR fits a USB data-port entry point because it combines four unidirectional protection channels with 4.5 pF capacitance per channel. TI specifically identifies USB as a target application, and the low channel capacitance helps reduce loading on high-speed transitions compared with a higher-capacitance suppressor. Place the SOT-23-5 array next to the receptacle and keep each protected trace short before it reaches the transceiver or controller. Verify the exact channel and common-pin mapping from the manufacturer datasheet before layout release. The verified ±30 kV ESD rating and 25 A 8/20 µs surge rating provide the core protection figures, while the 6.5 V typical clamp value must be treated as a transient condition rather than a continuous operating limit.
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10/100 Ethernet Interface Protection
The ESDS314DBVR is a practical connector-side protector for Ethernet data lines because TI identifies Ethernet as a primary application. Four 4.5 pF channels keep the protection network compact while preserving a useful capacitance budget for normal data activity. Position the array at the cable or RJ45 connector entry so an external ESD event is intercepted before it propagates into the line driver or magnetics interface. Follow the exact TI pin diagram for channel and return connections, and keep the protection return short and directly bonded to the intended ground structure. Confirm the signal operating range and interface directionality in the datasheet before using the same arrangement for every Ethernet variant.
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SATA Data-Line Protection
The ESDS314DBVR can be evaluated for SATA data-line protection because the retrieved device descriptions include SATA among the ESDS31x use cases. Its four low-capacitance channels suit multiple conductors entering a protected connector, and the 4.5 pF-per-channel figure helps constrain loading introduced at the interface boundary. Place the array close to the external connector, avoid extending the unprotected trace, and route its common connection to the prescribed ground reference. Before release, compare the array's channel topology and complete data ratings with the SATA interface requirements, especially operating voltage and signal direction. The 6.5 V typical clamp result does not by itself establish that every SATA-related voltage can be safely imposed on the device.
推荐
Industrial Communication Connectors
The ESDS314DBVR is well suited to a compact industrial communications connector exposed to personnel-contact ESD or induced surges. Its four-channel SOT-23-5 implementation protects multiple conductors while keeping board area low, and TI states that the family can dissipate ESD strikes above the IEC 61000-4-2 Level 4 maximum level. Place the device directly beside the connector entry and provide a short, low-inductance return path into the board's intended protective ground. Because industrial systems can impose stricter isolation and ground-potential requirements than consumer ports, verify the circuit topology and return arrangement against the applicable interface standard rather than copying a consumer USB layout blindly.
推荐
Embedded USB-C Power and Data Entry
The ESDS314DBVR can protect selected data or control conductors at a compact embedded connector boundary when the interface voltage is compatible with the complete device ratings. Four 4.5 pF protection channels allow multiple lines to be guarded without using four separate packages, and the surface-mount SOT-23-5 format supports dense connector layouts. Place the array between the connector and internal circuitry, maintain short protected traces, and follow the datasheet's exact pin mapping. The supplied evidence identifies USB but does not establish a complete USB-C power-path solution, so this application concerns protected signal lines rather than assuming that the array replaces dedicated USB-C power protection.
推荐
General-Purpose Data-Line Surge Protection
The ESDS314DBVR serves as a general-purpose four-line surge and ESD barrier when the protected signals fall within its verified operating constraints. TI describes the ESDS31x family for data-line surge protection to 25 A under an 8/20 µs pulse, while its 4.5 pF channel capacitance helps limit added loading. Place the device close to the vulnerable entry point and keep both the protected trace and device return short so transient current does not traverse unprotected board area. The design must still account for the difference between normal signal amplitude, temporary clamp behavior, and long-term power conditions. Use the current TI datasheet to verify channel polarity, standoff behavior, and any restrictions before assigning it to proprietary interfaces.
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推荐产品汇总
工程参考数据： ESDS314DBVR ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ESDS314DBVR-ES |
|---|---|---|
| Package | SOT-23-5 | SOT-23-5 |
| Brand | Texas Instruments | Texas Instruments |
| Protection Channels | 4 channels | 4 channels |
| Input Capacitance per Channel | 4.5 pF | 4.5 pF |
| Nominal Protected Signal Voltage | 3.6 V | 3.6 V |
| ESD Protection Rating | ±30 kV | ±30 kV |
| Peak Pulse Surge Current | 25 A at 8/20 µs | 25 A at 8/20 µs |
| Protection Topology | Unidirectional | Unidirectional |
| Primary Applications | USB and Ethernet | Connectivity and consumer electronics |
关键差异点
- Four integrated protection channels （对比 Single-channel SOT-23-5 TVS devices)
- Low verified channel capacitance （对比 Higher-capacitance general-purpose TVS arrays)
- Combined ESD and surge capability （对比 Basic low-capacitance ESD-only protection)
设计说明
Place the ESDS314DBVR directly beside the external connector so the transient reaches the protection array before traveling through the board. Keep each protected trace short and avoid long stubs between connector and device. Route the array's return connection over a short, low-impedance path to the prescribed board ground, and verify channel assignments from the TI pin diagram before layout release.
Budget the verified 4.5 pF capacitance per protected channel together with connector and PCB parasitics. This loading can reduce edge amplitude and timing margin at high data rates, so compare it with the interface receiver's capacitance and impedance budget. Keep the suppressor at the connector boundary rather than distributing its capacitance deep inside the protected circuit.
Do not interpret the 6.5 V typical clamp value as a continuous 6.5 V signal rating or substitute the array solely because another part uses SOT-23-5. Verify standoff voltage, channel direction, ESD level, peak-pulse current, clamp conditions, and exact pin mapping. The supplied data does not contain the complete pin table, so an inferred layout should not be released for fabrication.
合规信息
IEC 61000-4-2 Level 4 is stated by TI for the ESDS31x family. The supplied data does not establish the ESDS314DBVR's RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status.
