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Vishay General Semiconductor - Diodes Division SA64C-E3/54
- Part No.:
- SA64C-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA64C-E3/54.pdf
- Description:
- TVS DIODE 64VWM 114VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:7,420
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Product details
Overview
SA64C-E3/54 from Vishay General Semiconductor is a bi-directional Transient Voltage Suppressor (TVS) diode in DO-204AC (DO-15) package, designed for clamping voltage transients on signal or power lines. It features 500 W peak pulse power (10/1000 μs), 64 V stand-off voltage (VWM), 71.1–78.6 V breakdown voltage (VBR at 1 mA), and clamps to ≤103 V at 4.9 A peak pulse current - used in automotive sensor protection and industrial I/O interface surge suppression.
For engineers reviewing the SA64C-E3/54 datasheet, SA64C-E3/54 pinout, SA64C-E3/54 application, or SA64C-E3/54 equivalent, key selection criteria include bi-directional clamping capability, AEC-Q101 qualification, DO-15 mechanical compatibility, and verified 175 °C junction temperature rating under transient stress.
Technical Context
The SA64C-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 glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 μA at 64 V).
It delivers 500 W peak pulse power per 10/1000 μs waveform with 0.01% duty cycle, and exhibits low incremental clamping resistance - VC − VBR = 31.9 V at IPPM, confirming effective energy absorption during ESD or lightning-induced surges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 64 V - maximum continuous reverse operating voltage before clamping begins; defines safe working range for protected circuitry. |
| VBR (min/max) | 71.1 V / 78.6 V at 1 mA - guaranteed avalanche onset window; ensures consistent turn-on across production lots and temperature. |
| IPPM | 4.9 A - peak pulse current at which clamping voltage is specified; correlates directly with surge immunity level (e.g., IEC 61000-4-5 Level 3). |
| VC | ≤103 V at 4.9 A - maximum clamped voltage seen by downstream components; determines residual stress on ICs or MOSFETs. |
| PPPM | 500 W - peak pulse power handling with 10/1000 μs waveform; validates suitability for industrial and automotive load-dump or inductive switching events. |
| TJ max | 175 °C - maximum junction temperature; supports operation in under-hood or high-ambient industrial environments without derating. |
| AEC-Q101 | Qualified - certified for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per JESD47. |
Pinout & Package
Package: DO-204AC (DO-15), axial-leaded, molded epoxy case meeting UL 94 V-0. Bi-directional construction means no polarity marking; both terminals are electrically symmetric.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Either terminal serves as current entry/exit point during bidirectional surge events; no PCB orientation dependency. |
| Leads (matte tin plated) | Interconnect interface | Solderable per J-STD-002/JESD 22-B102; withstands 275 °C dip soldering for 10 s; meets JESD 201 Class 1A whisker resistance. |
Key Features
| Feature | Design Value |
|---|---|
| Bi-directional clamping | Enables single-device protection of AC signals, differential buses (e.g., RS-485), or ungrounded sensor outputs without polarity concerns. |
| 500 W peak pulse power | Meets IEC 61000-4-5 surge immunity requirements up to 1 kV open-circuit / 0.5 kV short-circuit test levels in industrial equipment. |
| Glass-passivated junction | Ensures long-term parameter stability and low leakage drift over temperature and lifetime - critical for battery-powered or sealed systems. |
| AEC-Q101 qualification | Validates robustness for automotive applications including engine control modules, body electronics, and ADAS sensor interfaces. |
| DO-204AC (DO-15) footprint | Provides drop-in compatibility with legacy TVS designs and standard through-hole assembly processes; lead spacing 0.300" (7.6 mm) min. |
Applications
| Automotive Sensor Protection | Industrial RS-485 Interface |
|---|---|
|
Use Scenario: Protecting wheel speed or crankshaft position sensors exposed to alternator load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed between sensor output line and ground, limiting transients to <103 V. Use Value: Prevents latch-up or gate oxide damage in downstream signal-conditioning amplifiers while maintaining signal integrity at 64 V nominal bias. |
Use Scenario: Safeguarding RS-485 transceivers in factory automation PLCs subject to cable discharge events and ground potential differences. IC Role / Device Role / Timing Role: Line-to-line and line-to-ground TVS on A/B differential pair, leveraging symmetry to suppress common-mode and differential surges. Use Value: Maintains bus uptime by preventing transceiver failure during 4 kV EFT bursts without adding propagation delay or signal distortion. |
| Consumer Appliance Motor Control | Telecom Power Input Stage |
|
Use Scenario: Suppressing inductive kickback from brushed DC motors in washing machines or HVAC blowers. IC Role / Device Role / Timing Role: Parallel-connected TVS across motor terminals to clamp flyback spikes before they reach MCU GPIO or driver ICs. Use Value: Eliminates need for snubber RC networks - reduces BOM count and board space while delivering repeatable 500 W surge handling. |
Use Scenario: Front-end protection of 48 V telecom power supplies against lightning-induced surges on building entry lines. IC Role / Device Role / Timing Role: Primary-stage bi-directional clamp on input rails, coordinated with MOVs and gas discharge tubes in multi-stage architecture. Use Value: Provides fast-response (sub-nanosecond) clamping to limit let-through voltage below 103 V, protecting downstream DC/DC controllers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ64CA | Same VWM (64 V), same DO-214AC package, but lower PPPM (400 W) and higher VC (104 V at 3.8 A). | Less suitable for high-energy surges like ISO 7637-2 Pulse 5a; requires higher derating margin in automotive power nets. | Select SMAJ64CA only when board space constraints favor SMD mounting and surge energy is limited to ≤400 W. |
| 1.5KE68CA | Higher PPPM (1500 W), larger DO-201AE package, VWM = 68 V, VC = 112 V at 13.3 A. | Better for high-power industrial mains inputs but incompatible with DO-15 footprint and adds 2× height and 3× weight. | Choose 1.5KE68CA where surge energy exceeds 500 W and mechanical mounting allows larger axial package. |
Compared with SMAJ64CA and 1.5KE68CA, the SA64C-E3/54 uniquely balances AEC-Q101 qualification, DO-15 through-hole compatibility, and precise 64 V clamping performance - making it optimal for cost-sensitive, high-reliability automotive and industrial control boards requiring proven legacy footprint support.
Availability
SA64C-E3/54 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial communication ports, and consumer appliance motor drives requiring stable component supply and long-term obsolescence management.
Supply support for SA64C-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 passive components with emphasis on reliability and application-specific optimization.
The SA64C-E3/54 belongs to Vishay's TRANSZORB® TVS family, engineered for robust transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure where failure modes must be mitigated at the component level.
FAQ
What is the polarity configuration of the SA64C-E3/54?
The SA64C-E3/54 is a bi-directional TVS diode with symmetrical terminals - neither end is marked as anode or cathode. This enables use on AC-coupled lines, differential pairs, or floating nodes without orientation constraints. The "C" suffix explicitly denotes bi-directional functionality per Vishay's naming convention, and electrical characteristics apply identically in both directions.
Does the SA64C-E3/54 meet automotive qualification standards?
Yes, the SA64C-E3/54 is AEC-Q101 qualified, as confirmed in Vishay document 88378 (Rev. 18-Sep-12). This includes stress testing for temperature cycling, high-temperature reverse bias (HTRB), and electrostatic discharge - validating its suitability for under-hood and chassis-mounted automotive electronics where reliability is mission-critical.
What is the maximum clamping voltage of the SA64C-E3/54 at rated peak pulse current?
The SA64C-E3/54 has a maximum clamping voltage (VC) of 103 V at its rated peak pulse current (IPPM) of 4.9 A, measured with a 10/1000 μs waveform. This value represents the upper limit of voltage imposed on protected circuitry during worst-case transient events and is critical for ensuring downstream ICs remain within absolute maximum ratings.
Can the SA64C-E3/54 replace uni-directional TVS diodes like SA64A-E3/54?
No - the SA64C-E3/54 is bi-directional and lacks polarity marking, whereas SA64A-E3/54 is uni-directional with a cathode band. Substituting them requires verifying circuit topology: SA64C-E3/54 is appropriate for AC or floating lines; SA64A-E3/54 is required for DC-biased unidirectional paths where forward conduction must be blocked. Their VBR and VC values also differ slightly due to structural asymmetry.
What is the lead finish and soldering compatibility of the SA64C-E3/54?
The SA64C-E3/54 features matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards. It withstands dip soldering at 275 °C for up to 10 seconds and passes JESD 201 Class 1A whisker testing. These attributes ensure reliable through-hole assembly in high-volume manufacturing and long-term intermetallic stability in humid or thermally cycled environments.
SA64C-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):
- 64V
- Voltage - Breakdown (Min):
- 71.1V
- Voltage - Clamping (Max) @ Ipp:
- 114V
- Current - Peak Pulse (10/1000µs):
- 4.4A
- 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)
SA64C-E3/54 FAQ
1.How can I place an order for SA64C-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA64C-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 SA64C-E3/54 reliable?
The price and inventory of SA64C-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 SA64C-E3/54 is usually 5 days.
3.What payment methods are accepted for SA64C-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA64C-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA64C-E3/54?
SA64C-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA64C-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 SA64C-E3/54?
For technical support, including SA64C-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA64C-E3/54 requirements.
6.How does Aetrix verify that SA64C-E3/54 is sourced from the original manufacturer or authorized distributors?
All SA64C-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 SA64C-E3/54 meets industry standards.
7.What is the process for return or replacement of SA64C-E3/54?
All SA64C-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with SA64C-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 SA64C-E3/54 part is unused and in its original packaging.
Return procedure for SA64C-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SA64C-E3/54 Tags
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