SRV05-4ATCT SEMTECH TVS Diode (Uni-directional) (SOT23 (6-Pin)) In Stock
The SEMTECH SRV05-4ATCT is a 4-channel Transient Voltage Suppressor (TVS) diode array in a SOT-23-6 package, with a 6 V breakdown voltage and 17.5 V maximum clamping voltage, designed for ESD protection of USB 2.0 and other high-speed data line interfaces. Halogen-free and RoHS-compliant, it provides robust multi-channel surge protection in a compact surface-mount footprint.
- Manufacturer
- SEMTECH
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- SRV05-4ATCT Datasheet PDF
- Category
- TVS Diode (Uni-directional)
- Price
- From $0.2117(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4-channel TVS diode array protecting high-speed USB 2.0 and data line interfaces with 6 V breakdown voltage in a single SOT-23-6 package
- 17.5 V maximum clamping voltage limiting transient energy during ESD events to safe levels for downstream ICs on 5 V and 3.3 V logic rails
- Halogen-free RoHS-compliant silicon construction meeting IEC 61000-4-2 ESD immunity requirements for consumer and industrial interface protection
- Ultra-compact SOT-23-6 package enabling multi-channel ESD protection without significant PCB area penalty on space-constrained interface boards
Applications
The SRV05-4ATCT is designed for ESD protection of USB 2.0 data lines (D+ and D-), HDMI, and other high-speed differential interfaces in consumer electronics such as smartphones, tablets, and portable audio equipment. It is also used in industrial HMI panels and embedded computing modules where USB or serial communication ports require IEC 61000-4-2 Level 4 ESD protection to meet CE and FCC compliance. The 4-channel configuration in a SOT-23-6 package allows a single device to protect both differential signal pairs of a USB 2.0 interface, minimizing component count and board routing complexity.
Specifications
| Pbfree Code | Yes |
| Factory Lead Time | 13Weeks |
| YTEOL | 6.28 |
| Breakdown Voltage-Min | 6V |
| Breakdown Voltage-Nom | 6V |
| Clamping Voltage-Max | 17.5V |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e3 |
| Non-rep Peak Rev Power Dis-Max | 300W |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Polarity | UNIDIRECTIONAL |
| Qualification Status | Not Qualified |
| Rep Pk Reverse Voltage-Max | 5V |
| Surface Mount | YES |
| Technology | AVALANCHE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 20 |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.50 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What clamping voltage and breakdown voltage does the SRV05-4ATCT provide for USB 2.0 ESD protection?
The SRV05-4ATCT has a minimum breakdown voltage of 6 V and a maximum clamping voltage of 17.5 V at its rated peak pulse current. For USB 2.0 lines operating at 5 V, the 6 V breakdown threshold ensures the TVS remains non-conducting during normal signal swings while activating within nanoseconds during ESD events, clamping transients below 17.5 V to prevent gate-oxide damage in the downstream USB transceiver IC, which typically has an absolute maximum rating of 7 V to 12 V on its data pins.
How does the 4-channel architecture of the SRV05-4ATCT simplify USB 2.0 interface protection compared to discrete diode solutions?
A standard USB 2.0 connector requires ESD protection on 4 signal lines: VBUS (5 V power), D+, D-, and GND-referenced rails. The SRV05-4ATCT integrates 4 TVS channels in a single SOT-23-6 package measuring approximately 2.9 mm × 1.6 mm, replacing 4 discrete SOD-323 TVS diodes that would collectively occupy over 20 mm² of PCB area with individual routing. This integration reduces BOM count by 3 parts, simplifies PCB routing adjacent to the USB connector, and ensures matched clamping characteristics across all 4 channels from a single device.
Which ESD immunity standards does the SRV05-4ATCT meet, and what test levels are relevant for CE marking of consumer products?
The SRV05-4ATCT is designed to meet IEC 61000-4-2 ESD immunity requirements, the primary standard for CE-marked consumer and industrial electronics. IEC 61000-4-2 Level 4 specifies ±8 kV contact discharge and ±15 kV air discharge on external connectors. The SRV05-4ATCT's fast response time (sub-nanosecond turn-on) and low clamping voltage ensure the protected interface pins remain within safe voltage limits during Level 4 contact discharge events, enabling system-level ESD compliance for USB ports in CE-marked consumer electronics.
How should a PCB designer place the SRV05-4ATCT relative to a USB connector to maximize its ESD protection effectiveness?
For optimal ESD protection effectiveness, the SRV05-4ATCT should be placed as close as physically possible to the USB connector body, targeting a maximum trace length of 5 mm to 10 mm between the connector pins and the TVS device pads. Longer traces add parasitic inductance of approximately 1 nH per millimeter, which reduces the peak clamping voltage during fast ESD transients with sub-nanosecond rise times, increasing the voltage stress seen by the downstream USB transceiver IC. The ground pin of the SOT-23-6 package should also connect to the PCB ground plane with minimum-length, low-inductance vias to ensure effective current return path during ESD discharge events.
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About SEMTECH
SEMTECH is a leading electronic component manufacturer. FindMyChip sources SEMTECH ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.9500 | $1.95 |
| 60+ | $0.3882 | $23.29 |
| 500+ | $0.3528 | $176.40 |
| 1000+ | $0.3276 | $327.60 |
| 3000+ | $0.2117 | $635.10 |
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