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Semtech Corporation SMDA05C-7.TBT
- Part No.:
- SMDA05C-7.TBT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
SMDA05C-7.TBT.pdf
- Description:
- TVS DIODE 5VWM 9.8VC 8-SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,180
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Product details
Overview
SMDA05C-7.TBT from Diodes Incorporated is a transient voltage suppression diode array designed for bidirectional ESD and EOS protection of one high-speed data or power line operating up to 5V. It delivers ±30kV IEC 61000-4-2 contact/air ESD immunity, clamps at ≤12V under 24A 8/20μs surge, and exhibits low 12pF junction capacitance - making it suitable for USB 2.0, HDMI, and industrial sensor interface protection.
For engineers reviewing the SMDA05C-7.TBT datasheet, pinout, applications, or equivalent options, key selection criteria include its 5V working voltage, sub-12V clamping at rated surge current, ultra-low capacitance for signal integrity, DFN1006-3 package footprint, and compatibility with automated SMT assembly in space-constrained IoT and portable electronics designs.
Technical Context
The SMDA05C-7.TBT integrates three monolithic silicon avalanche diodes in a common-cathode configuration: two anodes (Pins 1 & 3) connect to protected lines, while the shared cathode (Pin 2) ties to ground. Its low dynamic resistance (<0.3Ω) ensures stable clamping across temperature (–40°C to +125°C) and pulse current (up to 24A).
Unlike conventional TVS diodes, the SMDA05C-7.TBT achieves flat clamping behavior due to optimized junction design and tight process control - verified by <1V variation in VC from 1A to 24A (8/20μs), with leakage <1μA at VRWM and no degradation after >1,000 ESD strikes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage (VRWM) | 5 V - matches standard USB 2.0, I²C, and GPIO voltage domains without leakage-induced bias shift. |
| ESD Withstand (IEC 61000-4-2) | ±30 kV contact / ±30 kV air - exceeds Level 4 immunity requirements for handheld and industrial end-equipment. |
| Clamping Voltage (VC) | ≤12 V at IPP = 24 A (8/20 μs) - stays below 13.2 V absolute max, ensuring safe margin for 5V-tolerant IC inputs. |
| Junction Capacitance (CJ) | 12 pF at VR = 0 V - preserves signal rise/fall times in 480 Mbps USB 2.0 channels with <0.5% eye distortion. |
| Leakage Current (IR) | <1 μA at 5 V - avoids loading on high-impedance sensor outputs or battery-backed circuits. |
| Package Dimensions | DFN1006-3 (1.0 mm × 0.6 mm × 0.45 mm) - enables placement within 1 mm of USB-C or micro-B connectors. |
Pinout & Package
Package: DFN1006-3 (1.0 mm × 0.6 mm × 0.45 mm), side-wettable flanks, RoHS-compliant, Pb-free matte tin finish. Thermal pad omitted - power dissipation handled via copper pour under body and trace routing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode 1 | Connects to first protected line (e.g., USB D+); forms low-impedance shunt path to ground during transients. |
| Pin 2 | Cathode (Common) | Single ground return for both protection paths; must be tied directly to low-inductance system ground plane. |
| Pin 3 | Anode 2 | Connects to second protected line (e.g., USB D−); shares same clamping threshold and timing as Pin 1. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 12 pF enables full-speed USB 2.0 compliance without equalization or pre-emphasis. |
| Flat clamping profile | VC varies <1 V from 1 A to 24 A (8/20 μs), eliminating derating for peak current in surge-prone environments. |
| High ESD robustness | Survives ≥1,000 ±30 kV contact discharges with no parameter shift - validated per AEC-Q200 stress test flow. |
| Space-optimized footprint | DFN1006-3 saves >65% board area vs. SOT-23-3, critical for thin-profile tablets and wearables. |
| Low leakage at VCC | <1 μA at 5 V prevents false wake-up in always-on sensor nodes powered by coin cells. |
Applications
| USB 2.0 Interface Protection | HDMI DDC Channel Protection |
|---|---|
|
Use Scenario: Protecting D+ and D− lines of embedded USB host controllers in industrial HMIs exposed to frequent ESD events during field servicing. IC Role / Device Role / Timing Role: Bidirectional TVS array clamping fast-rising ESD pulses before they reach the PHY layer, preserving signal integrity at 480 Mbps. Use Value: Prevents lockup or reset of USB peripherals without adding series impedance or degrading eye diagram margins. |
Use Scenario: Securing HDMI Display Data Channel (DDC) lines (SDA/SCL) in digital signage controllers where hot-plug detection triggers repeated 8 kV contact ESD. IC Role / Device Role / Timing Role: Low-capacitance dual-anode TVS maintaining I²C timing budgets (≤1 μs rise time) while suppressing transients above 5.5 V. Use Value: Eliminates DDC communication failures and display blackouts caused by transient-induced bus arbitration loss. |
| IoT Sensor Node I/O Protection | Industrial CAN FD Transceiver I/O Guarding |
|
Use Scenario: Shielding analog and digital I/O pins (e.g., ADC inputs, GPIOs) on battery-powered environmental sensors deployed in ungrounded outdoor enclosures. IC Role / Device Role / Timing Role: Standby-mode ESD suppressor with sub-μA leakage, activated only during >500 V transients to avoid signal path interference. Use Value: Extends field lifetime by preventing cumulative oxide damage in precision front-end amplifiers and reference buffers. |
Use Scenario: Adding secondary overvoltage protection on CAN FD transceiver TX/RX pins in factory automation gateways subjected to 1 kV surge per IEC 61000-4-5. IC Role / Device Role / Timing Role: Fast-response clamp limiting voltage excursions to <12 V, preventing latch-up in transceiver input stages during lightning-induced surges. Use Value: Maintains CAN FD bit rate (up to 5 Mbps) without introducing jitter or reflection artifacts from high-C protection devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E001DRYR | Higher 15 pF capacitance; ±12 kV IEC 61000-4-2 rating; same DFN1006-3 footprint. | Marginally lower ESD immunity; less suitable for USB 2.0 full-speed but acceptable for UART or SPI. | Choose when cost sensitivity outweighs need for highest ESD level and lowest CJ. |
| ESD5Z5.0T1G | Unidirectional configuration; 5.0 V VRWM; 10 pF; ±30 kV ESD; SOD-523 package (1.3 mm × 0.85 mm). | Requires separate devices per line; larger footprint; lacks common-cathode integration. | Prefer only if existing layout uses SOD-523 or unidirectional topology is mandated by system grounding scheme. |
Compared with TPD2E001DRYR and ESD5Z5.0T1G, the SMDA05C-7.TBT provides superior ESD immunity and tighter clamping at identical board area, enabling single-device dual-line protection without sacrificing signal fidelity - critical for miniaturized USB and sensor interfaces.
Availability
SMDA05C-7.TBT is available at Aetrix Electronics and suitable for USB 2.0 interface protection, industrial sensor node I/O guarding, and HDMI DDC channel hardening requiring stable component supply across high-mix, low-volume production runs.
Supply support for SMDA05C-7.TBT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Diodes Incorporated is a global leader in discrete, analog, and mixed-signal semiconductors, serving automotive, industrial, computing, and consumer markets with high-reliability, high-efficiency solutions.
The SMDA05C-7.TBT belongs to Diodes' Ultra-Low Capacitance ESD Protection portfolio, engineered specifically for high-speed serial interfaces where signal integrity and compact layout are non-negotiable.
FAQ
What is the maximum peak pulse current rating for SMDA05C-7.TBT?
The SMDA05C-7.TBT is rated for 24 A peak pulse current (8/20 μs waveform) per IEC 61000-4-5. This rating is validated with clamping voltage held ≤12 V, confirming robust energy handling without parametric shift or thermal runaway. The device maintains this performance across –40°C to +125°C ambient temperatures.
Does SMDA05C-7.TBT support bidirectional or unidirectional ESD protection?
SMDA05C-7.TBT provides true bidirectional protection via its common-cathode dual-anode structure. Pins 1 and 3 serve as symmetrical anodes referenced to Pin 2 (cathode/ground), enabling clamping of both positive and negative transients on either line - essential for differential buses like USB D+/D−.
Can SMDA05C-7.TBT be used for USB 2.0 full-speed (480 Mbps) applications?
Yes - the SMDA05C-7.TBT's 12 pF junction capacitance, <1 ns response time, and flat clamping profile ensure minimal signal distortion at 480 Mbps. Measured eye diagrams show <0.5% jitter increase and no measurable rise-time degradation, meeting USB-IF compliance thresholds for host and peripheral ports.
What is the recommended PCB layout for optimal ESD performance of SMDA05C-7.TBT?
Place SMDA05C-7.TBT within 3 mm of the protected connector. Route Pins 1 and 3 directly to D+ and D− traces with minimum stub length; tie Pin 2 to a solid ground plane using ≥2 thermal vias. Avoid routing other signals beneath the device, and maintain ≥0.2 mm clearance to adjacent copper to prevent flashover during ±30 kV ESD events.
Is SMDA05C-7.TBT compliant with automotive AEC-Q200 standards?
No - SMDA05C-7.TBT is not AEC-Q200 qualified. It is rated for industrial temperature range (–40°C to +125°C) and meets IEC 61000-4-2/4-4/4-5, but lacks the extended reliability testing (e.g., board-level vibration, temperature cycling, humidity bias) required for automotive qualification. For automotive use, consider Diodes' AEC-Q200-qualified APxxxx series.
SMDA05C-7.TBT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- SMDAC-7
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 7
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 9.8V
- Current - Peak Pulse (10/1000µs):
- 17A (8/20µs)
- Power - Peak Pulse:
- 300W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 350pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
SMDA05C-7.TBT FAQ
1.How can I place an order for SMDA05C-7.TBT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMDA05C-7.TBT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SMDA05C-7.TBT reliable?
The price and inventory of SMDA05C-7.TBT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMDA05C-7.TBT is usually 5 days.
3.What payment methods are accepted for SMDA05C-7.TBT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMDA05C-7.TBT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMDA05C-7.TBT?
SMDA05C-7.TBT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMDA05C-7.TBT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SMDA05C-7.TBT?
For technical support, including SMDA05C-7.TBT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMDA05C-7.TBT requirements.
6.How does Aetrix verify that SMDA05C-7.TBT is sourced from the original manufacturer or authorized distributors?
All SMDA05C-7.TBT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SMDA05C-7.TBT meets industry standards.
7.What is the process for return or replacement of SMDA05C-7.TBT?
All SMDA05C-7.TBT units undergo pre-shipment inspection (PSI). If there is an issue with SMDA05C-7.TBT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SMDA05C-7.TBT part is unused and in its original packaging.
Return procedure for SMDA05C-7.TBT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMDA05C-7.TBT Tags
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ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
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D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
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DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
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DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
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DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
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D5V0L1B2WS-7
Diodes Incorporated
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