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Vishay General Semiconductor - Diodes Division SA5.0-E3/54
- Part No.:
- SA5.0-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA5.0-E3/54.pdf
- Description:
- TVS DIODE 5VWM 9.6VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:4,521
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Product details
Overview
SA5.0-E3/54 from Vishay General Semiconductor is a uni-directional Transient Voltage Suppressor (TVS) diode designed for primary overvoltage protection of sensitive ICs, MOSFETs, and signal lines in consumer, industrial, and telecom systems. It features a 5.0 V stand-off voltage (VWM), 6.4–7.07 V breakdown voltage (VBR) at 10 mA, 500 W peak pulse power (10/1000 μs), 54.3 V clamping voltage at 9.2 A peak pulse current, and operates across –55 °C to +175 °C junction temperature.
For engineers reviewing the SA5.0-E3/54 datasheet, SA5.0-E3/54 pinout, SA5.0-E3/54 application, or SA5.0-E3/54 equivalent, this device is selected for low-voltage DC rail protection where fast response (<1 ns), low clamping ratio (VC/VBR ≈ 8.5), and AEC-Q101 qualification are critical - especially in automotive body electronics, USB power inputs, and 5 V microcontroller I/O protection.
Technical Context
This TVS diode uses a glass-passivated silicon junction to achieve sub-nanosecond response to transients and stable clamping under repetitive 10/1000 μs surge waveforms. Its unidirectional polarity-marked with a cathode band-enables integration into DC-biased circuits without reverse conduction during normal operation.
The DO-204AC (DO-15) package supports 70 A non-repetitive forward surge current (IFSM) and maintains 3.0 W steady-state power dissipation at TL = 75 °C. Its 5.0 V stand-off rating aligns with standard 5 V logic rails, and its 9.2 V clamping voltage ensures MOSFET gate oxide and CMOS input structures remain below absolute maximum ratings during ESD or inductive switching events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 5.0 V - Blocks normal 5 V DC supply operation while remaining fully off until transient exceeds threshold. |
| VBR (min/max) | 6.4 V / 7.07 V at 10 mA - Ensures reliable turn-on before downstream component damage; tight 10.5% tolerance enables predictable protection margin. |
| VC @ IPPM | 54.3 V at 9.2 A - Clamps 10/1000 μs surges to safe level for 5 V logic interfaces and low-voltage controllers. |
| PPPM | 500 W - Handles common IEC 61000-4-5 Level 3 (1 kV/2 Ω) surges without degradation. |
| ID @ VWM | 600 μA max - Low leakage preserves battery life and avoids false triggering in high-impedance sensor nodes. |
| TJ Range | –55 °C to +175 °C - Supports under-hood automotive and industrial environments without derating. |
| Package | DO-204AC (DO-15) - Industry-standard through-hole package compatible with legacy PCB layouts and automated insertion. |
Pinout & Package
DO-204AC (DO-15) molded epoxy package with matte tin-plated leads; cathode indicated by color band on one end. Leads meet J-STD-002 solderability and JESD 201 Class 1A whisker resistance requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | DC return path / ground reference | Connected to system ground or low-side return; carries full surge current during clamping. |
| Cathode | Protected line input / VCC side | Marked with band; connects to 5 V rail or signal line being protected; blocks reverse current in normal operation. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enables stable, repeatable breakdown characteristics over 1000+ surge events and lifetime temperature cycling. |
| 500 W peak pulse power (10/1000 μs) | Withstands repeated lightning-induced surges per IEC 61000-4-5 without parameter shift or failure. |
| AEC-Q101 qualified (E3 suffix variant) | Validated for automotive applications including body control modules and infotainment power supplies. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., ESD >15 kV contact discharge). |
| RoHS-compliant, commercial-grade (E3) | Meets EU RoHS Directive 2011/65/EU; suitable for industrial and consumer production without compliance overhead. |
Applications
| Automotive Body Electronics | USB Power Input Protection |
|---|---|
|
Use Scenario: Protecting LIN bus transceivers and door module MCUs from load dump and alternator ripple. IC Role / Device Role / Timing Role: Primary clamping device placed between 5 V supply rail and ground, triggered within <1 ns of overvoltage event. Use Value: Limits transient voltage to ≤54.3 V, preventing latch-up or gate oxide rupture in 5 V automotive microcontrollers. |
Use Scenario: Safeguarding USB Type-A port VBUS line against hot-plug surges and ESD from user handling. IC Role / Device Role / Timing Role: Standoff-rated TVS connected anode-to-ground, cathode-to-VBUS, conducting only during overvoltage. Use Value: Clamps 8 kV contact ESD (IEC 61000-4-2) to <55 V, preserving USB PHY integrity and avoiding enumeration failure. |
| Industrial Sensor Signal Conditioning | 5 V Microcontroller I/O Protection |
|
Use Scenario: Shielding analog front-end inputs of pressure/temperature sensors from inductive kickback in factory automation. IC Role / Device Role / Timing Role: Low-leakage (≤600 μA) TVS placed at sensor PCB edge, shunting transients before op-amp input stage. Use Value: Maintains signal fidelity with minimal DC loading while clamping 100 V/μs transients to safe levels for 24-bit ADC drivers. |
Use Scenario: Hardening GPIO, UART, and reset lines of ARM Cortex-M0+ MCUs against board-level ESD and crosstalk. IC Role / Device Role / Timing Role: Uni-directional clamp referenced to VDD, protecting inputs rated for 5.5 V absolute max. Use Value: Guarantees clamping below 5.5 V with VC = 54.3 V only during surge - achieved via series impedance matching in layout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ5.0A | Same DO-214AC package; 5.0 V VWM, but lower PPPM (400 W) and higher VC (9.6 V at 7.5 A). | Less robust for IEC 61000-4-5 Level 3; better suited for space-constrained SMT designs than through-hole. | Select SMAJ5.0A only when board area is constrained and surge energy is limited to ≤400 W. |
| P6KE5.0A | DO-204AC package; identical VWM/VBR/VC specs, but rated for 600 W PPPM and lacks AEC-Q101 qualification. | Higher surge margin but no automotive qualification; used in industrial power supplies where qualification isn't mandated. | Choose P6KE5.0A for cost-sensitive industrial applications requiring extra pulse margin but no automotive validation. |
Compared with SMAJ5.0A and P6KE5.0A, SA5.0-E3/54 uniquely combines AEC-Q101 qualification, DO-204AC through-hole compatibility, and precise 5.0 V standoff with verified 500 W surge handling - making it the preferred choice for automotive and high-reliability 5 V rail protection where qualification and proven field performance are mandatory.
Availability
SA5.0-E3/54 is available at Aetrix Electronics and suitable for automotive body electronics, USB power input protection, and 5 V microcontroller I/O protection requiring stable component supply, long-term lifecycle support, and traceable RoHS-compliant sourcing.
Supply support for SA5.0-E3/54 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, and protection devices with emphasis on reliability, automotive qualification, and high-volume manufacturability.
The SAxxA series is engineered for robust transient suppression in DC power rails and signal lines, targeting automotive, industrial, and consumer applications where consistent clamping performance and AEC-Q101 compliance are required.
FAQ
What is the clamping voltage of SA5.0-E3/54 and how does it protect downstream components?
The SA5.0-E3/54 has a maximum clamping voltage (VC) of 54.3 V at 9.2 A peak pulse current (10/1000 μs waveform). This means that during a surge event, the device limits the voltage seen by downstream components - such as 5 V microcontrollers or USB PHYs - to ≤54.3 V, well below typical absolute maximum ratings (e.g., 60 V for many 5 V ICs). The SA5.0-E3/54 achieves this via fast avalanche breakdown, engaging within <1 ns to divert surge current safely to ground.
Is SA5.0-E3/54 suitable for automotive applications?
Yes, SA5.0-E3/54 is RoHS-compliant and manufactured to meet AEC-Q101 stress test requirements for transient voltage suppressors. While the base E3 suffix denotes commercial grade, the SA5.0AHE3/54 variant is explicitly AEC-Q101 qualified. Engineers selecting SA5.0-E3/54 for automotive use must verify qualification status per batch documentation; for certified automotive deployment, SA5.0AHE3/54 is the designated qualified version of the SA5.0-E3/54 family.
How does the SA5.0-E3/54 differ from bi-directional TVS diodes like SA5.0CA?
SA5.0-E3/54 is a uni-directional TVS diode with a cathode band marking, intended for DC-biased lines where reverse conduction must be blocked during normal operation. In contrast, SA5.0CA is bi-directional - symmetric in both polarities, with no polarity marking - and used in AC-coupled or floating signal paths. The SA5.0-E3/54's 5.0 V VWM applies only in reverse bias; forward conduction follows standard diode behavior, unlike SA5.0CA which clamps equally in both directions.
What is the maximum operating temperature for SA5.0-E3/54 and how does it affect reliability?
The SA5.0-E3/54 has a maximum junction temperature (TJ) rating of +175 °C and operates from –55 °C to +175 °C. This wide range supports under-hood automotive environments and industrial enclosures without thermal derating up to 125 °C ambient. At elevated temperatures, VBR increases predictably (5 %/°C coefficient), and leakage (ID) rises - but the device remains functional and protective. Derating curves in the datasheet confirm sustained 500 W pulse capability up to TJ = 125 °C.
Can SA5.0-E3/54 be used for ESD protection per IEC 61000-4-2?
Yes, SA5.0-E3/54 is effective for system-level ESD protection per IEC 61000-4-2, particularly for contact discharges up to ±15 kV when properly laid out with low-inductance grounding. Its <1 ns response time and low clamping voltage ensure sensitive 5 V interfaces remain within safe operating limits. However, for direct-pin ESD protection (e.g., USB data lines), dedicated low-capacitance ESD arrays are preferred; SA5.0-E3/54 is best applied at power rails and high-energy signal entry points where its 500 W surge rating adds value beyond basic ESD.
SA5.0-E3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V
- Voltage - Breakdown (Min):
- 6.4V
- Voltage - Clamping (Max) @ Ipp:
- 9.6V
- Current - Peak Pulse (10/1000µs):
- 52.1A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
SA5.0-E3/54 FAQ
1.How can I place an order for SA5.0-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA5.0-E3/54 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 SA5.0-E3/54 reliable?
The price and inventory of SA5.0-E3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA5.0-E3/54 is usually 5 days.
3.What payment methods are accepted for SA5.0-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA5.0-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA5.0-E3/54?
SA5.0-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA5.0-E3/54 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 SA5.0-E3/54?
For technical support, including SA5.0-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA5.0-E3/54 requirements.
6.How does Aetrix verify that SA5.0-E3/54 is sourced from the original manufacturer or authorized distributors?
All SA5.0-E3/54 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 SA5.0-E3/54 meets industry standards.
7.What is the process for return or replacement of SA5.0-E3/54?
All SA5.0-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with SA5.0-E3/54, 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 SA5.0-E3/54 part is unused and in its original packaging.
Return procedure for SA5.0-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SA5.0-E3/54 Tags
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