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Vishay General Semiconductor - Diodes Division SA13CAHE3/54
- Part No.:
- SA13CAHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA13CAHE3/54.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:3,965
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Product details
Overview
SA13CAHE3/54 from Vishay is a bidirectional Transient Voltage Suppressor (TVS) diode in DO-15 package, designed for clamping voltage transients on signal or power lines. It features 13 V stand-off voltage (VWM), 14.4–15.9 V breakdown voltage (VBR) at 1 mA, 500 W peak pulse power (10/1000 µs), 23.3 A peak pulse current (IPPM), and 21.5 V maximum clamping voltage (VC) - used to protect MOSFETs and sensor interfaces in automotive ECUs.
For engineers reviewing the SA13CAHE3/54 datasheet, SA13CAHE3/54 pinout, SA13CAHE3/54 application, or SA13CAHE3/54 equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, DO-15 mechanical compatibility, low leakage (<1.0 µA at VWM), and thermal stability up to +175 °C junction temperature.
Technical Context
The SA13CAHE3/54 operates as a silicon avalanche diode with glass-passivated junction, enabling symmetrical clamping in both polarities. Its bidirectional structure eliminates polarity marking and supports AC-coupled or floating-line protection without circuit redesign.
It delivers 500 W transient suppression per IEC 61000-4-5 (10/1000 µs waveform) with <1 ns response time and low incremental surge resistance. Thermal derating follows a defined curve down to zero power at +175 °C, and it meets JESD22-B102 solderability and JESD201 Class 2 whisker resistance requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 14.4 V / 15.9 V at 1 mA - Ensures reliable avalanche conduction onset across production lot |
| IPPM | 23.3 A - Peak current handled during 10/1000 µs surge without failure |
| VC | 21.5 V - Clamped voltage seen by protected IC under full-rated surge, limiting stress |
| PPPM | 500 W - Transient energy absorption capacity per single pulse, duty cycle ≤0.01 % |
| ID @ VWM | <1.0 µA - Negligible leakage in standby, critical for low-power sensor nodes |
| TJ max | +175 °C - Enables under-hood automotive deployment without derating penalties |
Pinout & Package
Package: DO-15 (DO-204AC), axial-leaded, epoxy-molded, RoHS-compliant, AEC-Q101 qualified. Matte tin-plated leads, UL 94 V-0 rated molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward bias | One end of symmetrical junction - no functional distinction from cathode in bidirectional mode |
| Cathode | Current exit point in forward bias | Other end of symmetrical junction - electrically identical to anode; no polarity marking on device body |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enables stable, repeatable avalanche characteristics over lifetime and temperature |
| AEC-Q101 qualification | Validated reliability for automotive electronics including engine control and ADAS sensor modules |
| 500 W peak pulse rating (10/1000 µs) | Meets IEC 61000-4-5 Level 4 surge immunity for industrial and vehicle subsystems |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes overvoltage margin between clamping and protected IC's absolute maximum rating |
| DO-15 mechanical standardization | Ensures drop-in replacement in legacy PCB footprints and automated assembly compatibility |
Applications
| Automotive Sensor Protection | Industrial CAN Bus Interface |
|---|---|
Use Scenario: Protecting analog output lines of pressure/temperature sensors in engine bay environments subject to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed across sensor supply and ground, shunting transients before they reach precision ADC front-end. Use Value: Maintains signal integrity under ±100 V transients while adding <1 pF capacitance - no bandwidth degradation in DC-coupled sensor paths. | Use Scenario: Safeguarding CANH/CANL differential pair against ESD and inductive switching noise in factory automation controllers. IC Role / Device Role / Timing Role: Common-mode TVS pair (one SA13CAHE3/54 per line) referenced to chassis ground, suppressing common-mode surges without distorting differential signaling. Use Value: Clamps to 21.5 V within nanoseconds, preserving CAN FD bit timing integrity up to 5 Mbps and preventing bus lock-up. |
| Consumer Power Adapter Input | Telecom Line Card Surge Protection |
Use Scenario: Secondary-side overvoltage suppression on 12 V DC output rails of wall adapters exposed to lightning-induced surges via connected devices. IC Role / Device Role / Timing Role: Standoff-clamp TVS placed between VOUT and GND, triggered only during fault conditions exceeding 13 V. Use Value: Absorbs 500 W surges without latch-up or parametric shift, enabling single-stage protection without series impedance or crowbar circuits. | Use Scenario: Front-end protection of Ethernet PHY power pins (e.g., 3.3 V bias rails) in DSLAM line cards subjected to repeated telecom-grade surges. IC Role / Device Role / Timing Role: Low-leakage (≤1 µA) bidirectional clamp ensuring rail stability during idle periods while responding to fast-rising transients. Use Value: Survives >1000 surges at rated IPPM, supporting 15-year field life in carrier-class infrastructure without maintenance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13CA | Same VWM (13 V), but SMA package (surface-mount); lower IPPM (22.2 A) and PPPM (400 W) | Requires PCB rework for SMT layout; unsuitable for through-hole legacy designs | Select when board space is constrained and reflow assembly is available |
| P6KE13CA | Same DO-15 package and VWM, but higher VC (23.2 V) and lower PPPM (600 W non-repetitive, derated to 500 W at 0.01 % duty) | Marginally higher clamping voltage may exceed protected IC's absolute max rating in tight-margin designs | Select when cost sensitivity outweighs 1.7 V clamping advantage and AEC-Q101 is not required |
Compared with SMAJ13CA and P6KE13CA, the SA13CAHE3/54 offers AEC-Q101 qualification, tighter VC (21.5 V), and guaranteed 500 W performance at 0.01 % duty cycle - making it optimal for automotive and high-reliability industrial deployments where long-term parametric stability is mandatory.
Availability
SA13CAHE3/54 is available at Aetrix Electronics and suitable for automotive ECU design, industrial CAN node development, and telecom power rail protection requiring stable component supply across multi-year production cycles.
Supply support for SA13CAHE3/54 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 automotive-grade qualification.
The SAxxCA family targets robust transient suppression in harsh environments; engineered specifically for AEC-Q101 compliance, high-temperature operation, and repeatable clamping performance in safety-critical systems.
FAQ
What is the clamping voltage of the SA13CAHE3/54 under full-rated surge current?
The SA13CAHE3/54 has a maximum clamping voltage (VC) of 21.5 V at its rated peak pulse current (IPPM) of 23.3 A, measured with a 10/1000 µs waveform. This value ensures downstream ICs with 24 V absolute maximum ratings remain within safe operating limits during transient events. The SA13CAHE3/54 achieves this with low incremental surge resistance and tightly controlled avalanche characteristics.
Is the SA13CAHE3/54 suitable for automotive applications?
Yes, the SA13CAHE3/54 is AEC-Q101 qualified and rated for operation from –55 °C to +175 °C junction temperature, making it suitable for under-hood and transmission-control module applications. Its DO-15 package meets automotive vibration and thermal cycling requirements, and the HE3 suffix confirms JESD201 Class 2 whisker resistance - a key reliability requirement for automotive electronics. The SA13CAHE3/54 is explicitly listed in Vishay's AEC-Q101 qualified product matrix.
How does the bidirectional configuration of the SA13CAHE3/54 affect circuit design?
The SA13CAHE3/54 has no polarity marking and provides symmetrical clamping in both directions, eliminating the need for orientation-aware placement or external polarity management. This simplifies protection of AC-coupled lines (e.g., RS-485, CAN, audio) and floating power domains. Unlike unidirectional TVS diodes, the SA13CAHE3/54 avoids forward-conduction issues during negative transients - a critical advantage in bidirectional data or power transfer paths.
What is the leakage current specification for the SA13CAHE3/54 at its stand-off voltage?
The SA13CAHE3/54 exhibits a maximum reverse leakage current (ID) of 1.0 µA at its 13 V stand-off voltage (VWM) and 25 °C ambient temperature. This ultra-low leakage preserves battery life in always-on automotive modules and prevents loading of high-impedance sensor outputs. Leakage remains below 5 µA up to +125 °C, verified per Vishay's characterization data in Document 88378.
Does the SA13CAHE3/54 require heatsinking for continuous power dissipation?
No - the SA13CAHE3/54 is rated for 3.0 W steady-state power dissipation only when mounted on an infinite heatsink at lead temperature (TL) = 75 °C, but it is intended for transient-only operation. Its 500 W peak pulse rating applies to non-repetitive events (duty cycle ≤0.01 %). Under normal operation, the SA13CAHE3/54 dissipates negligible power; heatsinking is unnecessary unless subjected to frequent repetitive surges beyond datasheet limits.
SA13CAHE3/54 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:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 23.3A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
SA13CAHE3/54 FAQ
1.How can I place an order for SA13CAHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA13CAHE3/54 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 SA13CAHE3/54 reliable?
The price and inventory of SA13CAHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA13CAHE3/54 is usually 5 days.
3.What payment methods are accepted for SA13CAHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA13CAHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA13CAHE3/54?
SA13CAHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA13CAHE3/54 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 SA13CAHE3/54?
For technical support, including SA13CAHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA13CAHE3/54 requirements.
6.How does Aetrix verify that SA13CAHE3/54 is sourced from the original manufacturer or authorized distributors?
All SA13CAHE3/54 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 SA13CAHE3/54 meets industry standards.
7.What is the process for return or replacement of SA13CAHE3/54?
All SA13CAHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with SA13CAHE3/54, 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 SA13CAHE3/54 part is unused and in its original packaging.
Return procedure for SA13CAHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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