EZAEG3A50AV - 30V 0603 ESD Suppressor, 0.04pF | Panasonic
Артикул: EZAEG3A50AV ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $0.15 | $0,15 |
| 10 | $0.13 | $1,30 |
| 100 | $0.11 | $11,00 |
| 500 | $0.095 | $47,50 |
| 1.000 | $0.08 | $80,00 |
| 4.000 | $0.06 | $240,00 |
EZAEG3A50AV Обзор
An ESD suppressor is a passive circuit-protection component that clamps transient overvoltages (such as those caused by human-body-model or contact-discharge events) to safe levels, protecting downstream ICs. ESD suppressors sit hierarchically under transient voltage suppressors (TVS), then circuit protection, and ultimately electronic components. Unlike Zener-diode-based TVS clamps which add 1-5 pF of junction capacitance, the EZAEG3A50AV uses a multilayer ceramic varistor construction to achieve sub-pF capacitance, making it suitable for RF, USB, HDMI, and other high-speed interfaces where capacitance would otherwise attenuate the signal.
Key features include an ultra-low capacitance of 0.04 pF (0603 size), a 30V continuous working voltage (DC), 100V maximum clamping voltage, and bidirectional polarity for AC or DC signal lines. The 0603 footprint (1.6 mm x 0.8 mm) is one of the most widely adopted chip sizes for high-volume consumer electronics, and the device is RoHS compliant and halogen-free, meeting modern environmental requirements for portable and wearable products.
The internal construction is a zinc-oxide based ceramic multilayer varistor (MLCV) with silver-nickel terminations. When a transient exceeds the breakdown voltage, the MLCV exhibits a sharp non-linear resistance drop, shunting energy away from the protected line. The capacitance-vs-voltage and leakage-current-vs-voltage curves in the manufacturer datasheet characterize the device's behavior at normal signal swings.
Typical applications include USB 2.0/3.0 data line protection, HDMI/DisplayPort interface guarding, smartphone antenna lines, wearable device ESD rails, and IoT sensor signal pins. The wide 30V working voltage also allows protection of industrial 24V bus lines and automotive 12V power rails exposed to inductive transients.
When designing with this part, place the EZAEG3A50AV as close as possible to the connector or ESD entry point on the PCB. Use a single ground return via directly to the chassis or system ground plane. Do not exceed the 30V DC working voltage or the peak ESD pulse rating - derate working voltage by 20% for temperature to ensure long-term reliability.
This page synthesizes distributor pricing, drop-in alternatives, parameter comparisons, and PCB layout notes that complement the Panasonic datasheet for engineers selecting circuit-protection components for high-speed interfaces.
Аналоги без доработки для EZAEG3A50AV — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
EZAEG2A50AV
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
EZAEEA50AV
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
CG0603MLU-30LE
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
AVR-M1608C30MAAB
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
EZAEG3A50AV Характеристики
| Manufacturer | Panasonic Industry |
| Series | EZA-EG |
| Device Type | ESD Suppressor / Multilayer Varistor (MLCV) |
| Number of Circuits | 1 |
| Корпус / Типоразмер | 0603 (1608 Metric) |
| Тип монтажа | Surface Mount |
| Polarity | Bidirectional |
| Continuous Working Voltage (DC) | 30 V |
| Clamping Voltage (Max) | 100 V |
| Capacitance (0603 size) | 0.04 pF (typical) |
| Current Rating | 3 A |
| Количество выводов | 2 |
| Статус RoHS | Compliant |
| Без галогенов | Yes |
Конфигурация выводов EZAEG3A50AV
| Контакт 1 | Terminal 1 — Input/signal terminal (bidirectional) |
| Контакт 2 | Terminal 2 — Output/ground terminal (bidirectional) |
Типичное применение
EZAEG3A50AV подходит для 6 применениеs: USB 2.0 / USB 3.0 Data Line ESD Protection, HDMI / DisplayPort Interface ESD Guarding, Smartphone and Wearable Antenna ESD Protection, IoT Sensor Signal Line Protection, Industrial 24V Bus Line Transient Suppression, Automotive 12V Power Rail Protection.
USB 2.0 / USB 3.0 Data Line ESD Protection
The Panasonic EZAEG3A50AV is engineered for USB differential pair (D+/D-) protection on USB 2.0 (480 Mbps) and USB 3.0 SuperSpeed (5 Gbps) interfaces. Its 0.04 pF ultra-low capacitance introduces negligible insertion loss on the 90-ohm differential pairs, preserving the eye-pattern margin required by the USB 3.0 specification. The 30V continuous working voltage comfortably exceeds the 5V VBUS rail, providing ESD headroom without leakage under normal operation. Place one device in parallel with each data line near the connector pin to shunt contact-discharge transients to chassis ground before they reach the transceiver IC. Compared to Zener TVS diodes at 1-5 pF, the EZAEG3A50AV avoids the 2-5 dB high-frequency attenuation that would otherwise close the USB 3.0 eye diagram. Recommended companion parts include USB Type-C connectors such as the TE Connectivity 2171790-1 and the USB 3.0 redriver TUSB1106 from Texas Instruments.
Рекомендуется
HDMI / DisplayPort Interface ESD Guarding
The EZAEG3A50AV provides ESD protection for HDMI 2.0 (6 Gbps per lane) and DisplayPort 1.4 (8.1 Gbps per lane) TMDS lines where capacitance must remain below 0.1 pF to avoid degrading the multi-gigabit eye diagram. The device's bidirectional polarity allows it to be placed symmetrically across each TMDS pair regardless of differential orientation, simplifying PCB layout. The 30V working voltage provides 6x headroom above the 5V HDMI rail, and the bidirectional clamping characteristic handles both positive and negative ESD events per the IEC 61000-4-2 standard. Per the manufacturer datasheet, the EZAEG3A50AV is specifically characterized for high-speed data lines including HDMI and DisplayPort. The 0603 footprint allows dense placement next to the HDMI connector pins where the ground return via can be made very short to chassis ground. Recommended companion parts include HDMI redrivers like the TDP158 and HDMI connector shields with integrated ESD grounding.
Рекомендуется
Smartphone and Wearable Antenna ESD Protection
The EZAEG3A50AV's 0.04 pF capacitance makes it ideal for protecting cellular antenna feeds (LTE, 5G NR), Wi-Fi/Bluetooth RF chains, and GNSS lines in smartphones and wearables where every picocapacitance affects antenna matching and noise figure. The 0603 size allows placement directly at the antenna feed point, keeping ground via length under 1 mm for maximum ESD suppression effectiveness. The 30V working voltage provides ample margin against the 5V or 12V rails typically found in these devices. Per the manufacturer datasheet, the device is qualified for portable and wearable electronics with halogen-free and RoHS-compliant construction. The bidirectional operation eliminates orientation concerns during high-volume SMT assembly. Recommended companion parts include RF front-end modules and antenna tuner ICs from Qorvo and Skyworks.
Рекомендуется
IoT Sensor Signal Line Protection
The EZAEG3A50AV guards IoT sensor signal lines (I2C, SPI, UART, GPIO) on 3.3V and 5V rails from ESD events at user-accessible touch points or external connectors. The 30V working voltage provides 6-9x margin above typical IoT rail voltages, allowing the device to ride through transient events that would otherwise latch-up the sensor IC. The bidirectional operation handles both positive and negative ESD strikes per IEC 61000-4-2 contact-discharge up to 8 kV. Per the manufacturer datasheet, the low 0.04 pF capacitance is far below the 5-10 pF budget for sensor signal lines, preserving rise times on edges below 10 ns. Recommended companion parts include IoT MCUs from STMicroelectronics (STM32 family) and sensor ICs from Bosch Sensortec.
Рекомендуется
Industrial 24V Bus Line Transient Suppression
The EZAEG3A50AV protects industrial 24V field-bus lines (CAN, RS-485, IO-Link, Profinet) from inductive transients caused by motor switching, relay contact bounce, and lightning-induced surges on long cable runs. The 30V continuous working voltage is set just above the 24V industrial rail, providing tight protection margins while tolerating steady-state operation. Per the manufacturer datasheet, the bidirectional clamping characteristic and 100V max clamping voltage protect downstream transceivers from common-mode transients. The 0603 size allows dense placement on multi-channel isolation barrier boards. The 3A current rating supports brief current surges during transient events. Recommended companion parts include isolated RS-485 transceivers and industrial-grade TVS diodes for additional clamping.
Рекомендуется
Automotive 12V Power Rail Protection
The EZAEG3A50AV protects automotive 12V power rails from inductive load dump, jump-start, and reverse-battery transients. The 30V working voltage exceeds the ISO 7637-2 load-dump transient peaks after series resistance, providing robust protection for downstream ECUs. Per the manufacturer datasheet, the bidirectional operation is essential for negative-battery transients. The 0603 size supports compact ECU designs, and the halogen-free, RoHS-compliant construction meets automotive environmental requirements (note: AEC-Q200 qualification status should be confirmed with Panasonic for automotive production). Recommended companion parts include automotive-grade transceivers from NXP and TI.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для EZAEG3A50AV — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | EZAEG2A50AV | EZAEEA50AV | CG0603MLU-30LE | AVR-M1608C30MAAB |
|---|---|---|---|---|---|
| Brand | Panasonic | Panasonic | Panasonic | Bourns | TDK |
| Package | 0603 (1608 Metric) | 0603 (1608 Metric) - same | 0603 (1608 Metric) - same | 0603 (1608 Metric) - same | 0603 (1608 Metric) - same |
| Continuous Working Voltage (DC) | 30 V | 30 V | 30 V | 30 V | 30 V |
| Polarity | Bidirectional | Bidirectional | Bidirectional | Bidirectional | Bidirectional |
| RoHS Compliance | Yes | Yes | Yes | Yes | Yes |
Ключевые отличия
- Ultra-low 0.04 pF capacitance enables multi-gigabit signal integrity (против CG0603MLU-30LE (Bourns))
- Same-family drop-in compatibility with EZAEG2A50AV (против EZAEG2A50AV)
- Halogen-free and RoHS compliant for global market access (против Industry-standard non-halogen-free MLCVs)
Заметки по проектированию
Place the EZAEG3A50AV as close as possible to the ESD entry point - typically the connector pin - and keep the ground return via length under 1 mm. Long ground traces reduce the effectiveness of the suppressor because the parasitic inductance of the trace impedance adds to the clamping voltage. Use a single direct via to the chassis ground plane or the system ground pour. Estimated: a 5 mm ground trace adds approximately 5 nH of inductance, which can double the effective clamping voltage at the protected IC during an 8 kV contact-discharge event.
While the EZAEG3A50AV's 0.04 pF capacitance is low, treat it as a controlled-impedance discontinuity on high-speed differential pairs. Place the device symmetrically across both lines of a differential pair to avoid mode-conversion asymmetry. For USB 3.0 (5 Gbps) and HDMI 2.0 (6 Gbps), keep the device within 3 mm of the connector and use smooth ground pours. For RF antenna lines above 2.4 GHz, place the device at the antenna feed where the impedance is well-controlled, not at the transceiver end.
Do not exceed the 30V continuous working voltage - excessive steady-state voltage pushes the MLCV into conduction, increases leakage current, and reduces clamping effectiveness. Do not use the EZAEG3A50AV on power rails above 24V continuous without validating the derated working voltage at the maximum operating temperature. Do not place a second suppressor in parallel expecting additive performance - mismatched capacitance can create resonance and overshoot. Always include a bulk capacitor downstream as backup energy storage during transient events.
The EZAEG3A50AV's 0603 package has limited thermal mass. During repeated ESD strikes (>100 events at 8 kV), the part can heat significantly. Per the manufacturer datasheet, the operating temperature range affects leakage current and clamping characteristics - derate working voltage by approximately 20% near the top of the rated range. For high-repetition applications (e.g., production-line testers, hot-swap interfaces), consider a larger package like 0805 to spread heat dissipation.
Информация о соответствии
RoHS compliant per manufacturer datasheet. Halogen-free per IEC 61249-2-21. AEC-Q100 qualification status is not_applicable for this consumer-grade MLCV; automotive applications should verify with Panasonic for AEC-Q200 variant availability.
