SMDA05-6E3/TR7 Microchip Discrete Semiconductor In Stock
The SMDA05-6E3/TR7 is a 6-line unidirectional TVS diode array with a 5V standoff voltage, 300W peak pulse power rating at 8/20 µs, and a clamping voltage of 11V maximum, packaged in an 8-pin SOIC. It protects six data lines simultaneously with a common-anode configuration for simplified PCB layout. Suited for USB, RS-232, RS-485, and I/O port ESD protection in consumer and industrial equipment.
- Manufacturer
- Microchip
- Package
- —
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- SMDA05-6E3/TR7 Datasheet PDF
- Category
- Discrete Semiconductor
- Price
- From $1.2760(MOQ 1)
- Temp Range
- -55.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SMDA05-6E3/TR7?
- 6-line simultaneous ESD and transient protection in a single 8-pin SOIC package
- 5V standoff voltage with 11V maximum clamping voltage limiting transient overstress
- 300W peak pulse power rating at 8/20µs surge waveform for robust protection
- Unidirectional common-anode configuration simplifying multi-line PCB routing
- Silicon TVS technology with fast sub-nanosecond response time
- RoHS compliant (JESD-609 e3) construction for green design compliance
What is SMDA05-6E3/TR7 used for?
The SMDA05-6E3/TR7 is used to protect multi-line data interfaces such as USB, RS-232, RS-485, and GPIO ports from ESD transients and surge events in consumer electronics, industrial control panels, and communication equipment. Its 6-line common-anode array in an 8-pin SOIC replaces up to 6 discrete TVS diodes, reducing component count and board area while providing standardized IEC 61000-4-2 ESD immunity. It is also applied in I/O connector protection for laptop docking stations, industrial handheld terminals, and automotive infotainment interfaces operating at 5V logic levels.
What are the specifications of SMDA05-6E3/TR7?
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 5Weeks |
| YTEOL | 24 |
| Breakdown Voltage-Min | 6V |
| Clamping Voltage-Max | 11V |
| Configuration | COMMON ANODE, 6 ELEMENTS |
| Diode Element Material | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Non-rep Peak Rev Power Dis-Max | 300W |
| Number of Elements | 6 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Polarity | UNIDIRECTIONAL |
| Reference Standard | IEC-1000-4-2, 4-4 |
| Rep Pk Reverse Voltage-Max | 5V |
| Reverse Current-Max | 20 µA |
| Reverse Test Voltage | 5V |
| Surface Mount | YES |
| Technology | AVALANCHE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Position | DUAL |
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 | Thailand |
Where can I find the SMDA05-6E3/TR7 datasheet?
SMDA05-6E3/TR7 Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for SMDA05-6E3/TR7?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What peak pulse power does the SMDA05-6E3/TR7 handle, and what surge waveform is it rated for?
The SMDA05-6E3/TR7 is rated for 300W peak pulse power under the 8/20 µs surge waveform, which corresponds to the IEC 61000-4-5 transient immunity test standard; this level of surge robustness is sufficient to protect RS-485 data lines and USB interfaces against cable-coupled lightning surges in industrial environments.
How does using the SMDA05-6E3/TR7 array reduce PCB complexity compared to discrete TVS diodes?
The SMDA05-6E3/TR7 integrates 6 unidirectional TVS elements with a common anode in a single 8-pin SOIC footprint, replacing up to 6 individual SOD-323 or SOD-523 discrete TVS diodes; this reduces component count by 6 parts, saves roughly 50 mm² of board area, and simplifies routing by concentrating all protection near the connector in one placement.
At what voltage does the SMDA05-6E3/TR7 begin clamping a transient, and is it safe for 5V logic systems?
The SMDA05-6E3/TR7 has a 5V standoff voltage meaning it does not conduct below 5V during normal operation, and a 6V minimum breakdown voltage triggers clamping action during transients; the maximum clamping voltage of 11V ensures that transient energy is diverted before it can damage 5V-rated logic ICs or MCU I/O pins rated to 6V absolute maximum.
Which interface standards benefit most from the SMDA05-6E3/TR7 in a multi-port industrial gateway design?
In a multi-port industrial gateway, RS-485 (±7V common-mode range), RS-232 (±15V), and 5V GPIO interfaces all benefit from the SMDA05-6E3/TR7, as its 5V standoff and 11V clamp voltage sit within the acceptable window for protecting these lines against ESD pulses up to IEC 61000-4-2 Level 4 (±8 kV contact discharge) without clamping during valid signal excursions.
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