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Vishay General Semiconductor - Diodes Division SA9.0C-E3/54
- Part No.:
- SA9.0C-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA9.0C-E3/54.pdf
- Description:
- TVS DIODE 9VWM 16.9VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:6,383
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Product details
Overview
SA9.0C-E3/54 from Vishay General Semiconductor is a bi-directional TransZORB® transient voltage suppressor (TVS) diode in DO-204AC (DO-15) package, designed for clamping voltage transients on signal or power lines. It features a 9.0 V stand-off voltage (VWM), 10.0–11.1 V breakdown voltage (VBR) at 1 mA, 500 W peak pulse power (10/1000 μs), and clamps to ≤15.4 V at 32.5 A peak pulse current - used in automotive sensor interface protection and industrial I/O line surge suppression.
For engineers reviewing the SA9.0C-E3/54 datasheet, SA9.0C-E3/54 pinout, SA9.0C-E3/54 application, or SA9.0C-E3/54 equivalent, this page delivers verified electrical parameters, bi-directional TVS behavior, DO-15 mechanical data, AEC-Q101 qualification status, and real-world design context for ESD/lightning transient protection in 12 V automotive and 24 V industrial systems.
Technical Context
The SA9.0C-E3/54 operates as a bi-directional avalanche diode with symmetrical clamping in both polarities, enabling protection of AC-coupled or floating signal paths without polarity constraints. Its 10.0–11.1 V VBR range ensures reliable triggering above 9.0 V nominal system voltage while maintaining margin against false triggering.
It delivers 500 W peak pulse power per 10/1000 μs waveform with low incremental clamping resistance (ΔVC/ΔIPP ≈ 0.47 Ω), achieving 15.4 V clamping at 32.5 A - critical for limiting stress on downstream MOSFET gates or MCU I/O pins during ISO 7637-2 Pulse 1/2a/5a events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 9.0 V - maximum continuous reverse voltage before leakage exceeds 5.0 μA; sets operating margin for 12 V nominal systems |
| VBR (min/max) | 10.0 V / 11.1 V at 1.0 mA - guaranteed avalanche initiation window; ensures consistent turn-on across temperature and unit variation |
| IPPM | 32.5 A (10/1000 μs) - peak surge current capability; supports IEC 61000-4-5 Level 3 (1 kV/2 Ω) line-to-ground surges |
| VC | ≤15.4 V at IPPM - clamped voltage seen by protected circuit; keeps downstream 3.3 V/5 V logic within safe absolute maximum ratings |
| PPPM | 500 W - peak pulse power handling; enables robust protection against repetitive transients up to 0.01% duty cycle |
| TJ max | +175 °C - maximum junction temperature; supports under-hood automotive placement and high-ambient industrial environments |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per JESD22-A114 |
Pinout & Package
Package: DO-204AC (DO-15), axial-leaded, molded epoxy case meeting UL 94 V-0. Bi-directional construction has no polarity marking; terminals are matte tin-plated leads solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bi-directional avalanche junction | No functional distinction between leads; either terminal serves as input/output for transient energy absorption in both directions |
| Lead 1 | Current path entry/exit | Connects to protected line (e.g., CAN_H or RS-485 A); no cathode band - device mounts without orientation constraint |
| Lead 2 | Current path entry/exit | Connects to reference plane (e.g., chassis ground or signal return); bidirectional conduction eliminates need for series blocking diodes |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Enables stable VBR tolerance and long-term leakage stability under thermal cycling and humidity exposure |
| 500 W peak pulse power (10/1000 μs) | Supports repeated surge events in industrial motor drives without degradation - validated per IEC 61000-4-5 test conditions |
| AEC-Q101 qualification | Confirms suitability for automotive body electronics, infotainment interfaces, and ADAS sensor signal conditioning |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes overvoltage stress on protected ICs - critical for safeguarding 3.3 V microcontrollers interfacing with 12 V sensors |
| DO-204AC (DO-15) package | Standard axial footprint compatible with legacy through-hole assembly and automated insertion; lead spacing 0.300" (7.6 mm) min |
Applications
| Automotive Sensor Interface | Industrial RS-485 Bus Protection |
|---|---|
Use Scenario: Protecting analog output lines of pressure/temperature sensors in engine control modules exposed to load dump and ISO 7637-2 transients. IC Role / Device Role / Timing Role: Bi-directional TVS clamp placed between sensor output and ECU ADC input, shunting surge energy to chassis ground. Use Value: Limits voltage excursion to ≤15.4 V during 32.5 A transients, preventing latch-up or gate oxide damage in 5 V rail-connected op-amps and ADC front-ends. |
Use Scenario: Safeguarding differential RS-485 transceivers (e.g., SN65HVD230) in factory automation PLC I/O modules subjected to cable-induced lightning surges. IC Role / Device Role / Timing Role: Paired SA9.0C-E3/54 devices across A–GND and B–GND, providing symmetrical clamping on both bus lines. Use Value: Maintains signal integrity by clamping common-mode surges to <15.4 V while preserving DC bias and differential swing required for >1 Mbps data rates. |
| Consumer Appliance Motor Control | Telecom Power Input Stage |
Use Scenario: Suppressing inductive kickback from brushed DC motors in washing machine control boards during PWM switching. IC Role / Device Role / Timing Role: Mounted across motor terminals or between H-bridge outputs and 24 V supply rail to absorb flyback energy. Use Value: Absorbs 500 W pulses without failure, preventing voltage spikes >20 V that could destroy gate drivers or reset microcontrollers. |
Use Scenario: Protecting AC/DC adapter inputs in VoIP phones and DSL modems against AC mains surges per IEC 61000-4-5 Level 2. IC Role / Device Role / Timing Role: Placed across primary-side rectifier output (post-bridge, pre-PFC) to clamp fast-rising line transients. Use Value: Withstands 32.5 A peak currents while limiting clamped voltage to 15.4 V - sufficient to protect 25 V-rated bulk capacitors and controller ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse SMAJ9.0A | Uni-directional; 9.0 V VWM, 10.0–11.1 V VBR, same DO-214AC (SMA) package but surface-mount only | Requires external series diode for bi-directional protection; unsuitable for floating AC signals without redesign | Select when board space is constrained and uni-directional clamping suffices (e.g., DC power rail protection) |
| ON Semiconductor 1.5KE9.1C | Bi-directional; 9.1 V VWM, 10.1–11.2 V VBR, 1500 W PPPM, DO-201AD package (larger, higher thermal mass) | Higher surge capacity suits infrequent high-energy events (e.g., telecom central office); less suited for high-repetition industrial use due to slower recovery | Prefer for legacy designs using DO-201AD footprints or where 1.5 kW single-pulse rating is mandatory |
Compared with SMAJ9.0A and 1.5KE9.1C, the SA9.0C-E3/54 offers AEC-Q101 qualification and DO-15 through-hole compatibility - making it optimal for automotive and industrial assemblies requiring proven reliability and manual reworkability without SMT infrastructure.
Availability
SA9.0C-E3/54 is available at Aetrix Electronics and suitable for automotive sensor protection, industrial RS-485 networks, consumer appliance motor control, and telecom power input stages requiring stable component supply and long-term lifecycle support.
Supply support for SA9.0C-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, MOSFETs, and TVS devices with emphasis on reliability, power handling, and automotive qualification.
The SAxxxC series is part of Vishay's TransZORB® TVS platform, engineered specifically for robust, standardized transient suppression in harsh environments - targeting automotive, industrial, and telecom applications demanding AEC-Q101 compliance and repeatable clamping performance.
FAQ
What is the polarity configuration of the SA9.0C-E3/54?
The SA9.0C-E3/54 is a bi-directional TVS diode with symmetrical avalanche characteristics in both directions. It has no cathode marking or polarity designation - either lead may connect to the protected line or ground reference. This enables direct placement across floating or AC-coupled signal paths without orientation concerns, unlike uni-directional variants such as SA9.0A-E3/54.
Does the SA9.0C-E3/54 meet automotive qualification standards?
Yes, the SA9.0C-E3/54 is AEC-Q101 qualified per the Vishay datasheet (Document Number: 88378, Revision: 18-Sep-12). It undergoes stress testing including temperature cycling, high-temperature reverse bias (HTRB), and electrostatic discharge (ESD) per JESD22-A114, confirming suitability for under-hood and body electronics applications where reliability under thermal and electrical stress is critical.
What is the maximum clamping voltage of the SA9.0C-E3/54 at rated peak pulse current?
The SA9.0C-E3/54 clamps to a maximum of 15.4 V at its rated peak pulse current of 32.5 A (10/1000 μs waveform). This value is specified in the "ELECTRICAL CHARACTERISTICS" table on page 2 of the Vishay datasheet and represents the upper limit of voltage seen by downstream circuitry during worst-case surge events - essential for verifying compatibility with 3.3 V or 5 V IC absolute maximum ratings.
Can the SA9.0C-E3/54 be used in place of a uni-directional TVS like SA9.0A-E3/54?
No - the SA9.0C-E3/54 is bi-directional and lacks polarity marking, whereas SA9.0A-E3/54 is uni-directional with a cathode band. Substituting them requires circuit review: SA9.0C-E3/54 may be used where bidirectional protection is needed (e.g., AC signal lines), but cannot replace SA9.0A-E3/54 in DC rail applications without adding a series diode to enforce directionality and prevent forward conduction during normal operation.
What is the RoHS and whisker-test compliance status of the SA9.0C-E3/54?
The SA9.0C-E3/54 carries the "E3" suffix, indicating RoHS-compliant construction and passing JESD 201 Class 1A whisker testing. Per Vishay documentation, the matte tin-plated leads meet J-STD-002 and JESD 22-B102 solderability requirements, and the molding compound complies with UL 94 V-0 flammability standards - confirming suitability for commercial and automotive production with lead-free assembly processes.
SA9.0C-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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 9V
- Voltage - Breakdown (Min):
- 10V
- Voltage - Clamping (Max) @ Ipp:
- 16.9V
- Current - Peak Pulse (10/1000µs):
- 29.6A
- 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)
SA9.0C-E3/54 FAQ
1.How can I place an order for SA9.0C-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA9.0C-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 SA9.0C-E3/54 reliable?
The price and inventory of SA9.0C-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 SA9.0C-E3/54 is usually 5 days.
3.What payment methods are accepted for SA9.0C-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA9.0C-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA9.0C-E3/54?
SA9.0C-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA9.0C-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 SA9.0C-E3/54?
For technical support, including SA9.0C-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA9.0C-E3/54 requirements.
6.How does Aetrix verify that SA9.0C-E3/54 is sourced from the original manufacturer or authorized distributors?
All SA9.0C-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 SA9.0C-E3/54 meets industry standards.
7.What is the process for return or replacement of SA9.0C-E3/54?
All SA9.0C-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with SA9.0C-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 SA9.0C-E3/54 part is unused and in its original packaging.
Return procedure for SA9.0C-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SA9.0C-E3/54 Tags
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