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Vishay General Semiconductor - Diodes Division SA58AHE3/54
- Part No.:
- SA58AHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA58AHE3/54.pdf
- Description:
- TVS DIODE 58VWM 93.6VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:7,462
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Product details
Overview
SA58AHE3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-15 package, designed for overvoltage protection of sensitive electronics. It features a 58 V stand-off voltage (VWM), 64.4–71.2 V breakdown voltage (VBR) at 1 mA, 500 W peak pulse power (10/1000 μs), clamping voltage of 93.6 V at 5.3 A, and AEC-Q101 qualification for automotive use.
For engineers reviewing the SA58AHE3/54 datasheet, SA58AHE3/54 pinout, SA58AHE3/54 application, or SA58AHE3/54 equivalent, key selection criteria include its unidirectional polarity, DO-15 mechanical compatibility, 175 °C max junction temperature, low incremental surge resistance, and suitability for protecting MOSFETs, ICs, and sensor signal lines against inductive switching transients.
Technical Context
The SA58AHE3/54 operates as a silicon avalanche diode with glass-passivated junction, delivering fast response time (<1 ns) and stable clamping under repetitive 10/1000 μs surge events. Its unidirectional configuration enables integration into DC power rails and single-polarity signal paths where reverse conduction must be blocked.
It complies with AEC-Q101 stress testing for automotive environments and supports soldering per J-STD-002/JESD 22-B102. The device exhibits a +70 mV/°C breakdown voltage temperature coefficient and maintains ≤1.0 μA reverse leakage at 58 V, enabling reliable operation across -55 °C to +175 °C junction temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 58 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 64.4 V / 71.2 V at 1 mA - Ensures predictable avalanche onset across production lot |
| VC @ IPPM | 93.6 V at 5.3 A - Clamped voltage during 500 W transient limits downstream stress |
| PPPM | 500 W (10/1000 μs) - Withstands automotive load-dump and ISO 7637-2 pulse 5a surges |
| IFSM | 70 A (10 ms half-sine) - Handles high-energy inrush without failure |
| TJ max | +175 °C - Enables placement near hot components in engine control units |
| Leakage @ VWM | ≤1.0 μA - Minimizes standby power loss in battery-powered systems |
Pinout & Package
SA58AHE3/54 uses the DO-15 (DO-204AC) axial-leaded package: molded epoxy body, matte tin-plated leads, 0.130" (3.3 mm) diameter, 1.0" (25.4 mm) minimum lead length, RoHS-compliant and AEC-Q101 qualified. Polarity is marked by cathode band on one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Surge return path | Connected to protected circuit ground or low-side reference in unidirectional clamp |
| Cathode | Avalanche conduction terminal / High-side connection | Connected to line being protected (e.g., 48 V rail or sensor VCC); color band identifies this pin |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enables stable, repeatable avalanche behavior and long-term reliability under thermal cycling |
| 500 W peak pulse power (10/1000 μs) | Meets ISO 7637-2 Pulse 5a requirements for 12 V/24 V automotive systems |
| AEC-Q101 qualification | Validated for automotive under-hood and powertrain applications including ECU and body control modules |
| Low clamping ratio (VC/VBR ≈ 1.4) | Minimizes overvoltage margin required for protected ICs, reducing design headroom overhead |
| Solderable per J-STD-002 & JESD 22-B102 | Supports automated through-hole assembly with 275 °C/10 s max solder dip tolerance |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 48 V battery management system (BMS) input rails from load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between rail and ground to clamp surges above 58 V while blocking reverse current. Use Value: Limits peak voltage to 93.6 V during 5.3 A transients, preventing damage to downstream DC-DC controllers and monitoring ICs. | Use Scenario: Shielding analog output lines of pressure/temperature sensors in factory automation PLC I/O modules. IC Role / Device Role / Timing Role: TVS mounted at connector interface to absorb ESD and inductive kickback from solenoid actuation. Use Value: Sub-1 ns response ensures clamping occurs before sensitive op-amps or ADC inputs exceed absolute maximum ratings. |
| Telecom DC Power Input Protection | Consumer Appliance Motor Drive Protection |
Use Scenario: Safeguarding PoE-powered network switches' 57 V DC input against lightning-induced surges on outdoor cabling. IC Role / Device Role / Timing Role: Primary overvoltage clamp on main DC input, coordinated with upstream fuse and secondary filtering. Use Value: 500 W rating handles multiple 10/1000 μs surges per IEC 61000-4-5 Level 3 without degradation. | Use Scenario: Suppressing back-EMF spikes generated by brushed DC motors in smart home vacuum cleaners and power tools. IC Role / Device Role / Timing Role: Mounted across motor terminals to shunt inductive energy during PWM commutation. Use Value: 70 A IFSM withstands repeated 10 ms turn-off surges, extending motor driver MOSFET lifetime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ58A-E3/5A (Vishay) | Same VWM/VBR/VC, but SMA package (surface-mount, 5.3 mm × 2.6 mm) | Requires PCB rework for SMT vs. through-hole; lower thermal mass affects surge derating | Select when board space is constrained and automated assembly is prioritized over manual repairability |
| P6SMB58A (Littelfuse) | Identical electrical specs (58 V VWM, 93.6 V VC), DO-214AA package, same AEC-Q101 qualification | DO-214AA has different footprint and lead spacing; not mechanically interchangeable with DO-15 | Choose for supply chain diversification where DO-214AA layout already exists and thermal performance meets requirement |
Compared with SMAJ58A-E3/5A and P6SMB58A, SA58AHE3/54 offers proven through-hole robustness for high-vibration environments, higher thermal inertia for repetitive surge handling, and direct compatibility with legacy DO-15 footprints-making it optimal for automotive ECUs and industrial controls where mechanical reliability is critical.
Availability
SA58AHE3/54 is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface protection, telecom DC input protection, and consumer appliance motor drive protection requiring stable component supply and AEC-Q101 compliance.
Supply support for SA58AHE3/54 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 protection devices with emphasis on reliability, automotive qualification, and high-power handling.
The SAxxA series is engineered specifically for rugged transient suppression in automotive, industrial, and telecom infrastructure-delivering consistent clamping performance across wide temperature ranges and high-reliability mechanical construction.
FAQ
What is the maximum clamping voltage of SA58AHE3/54 and under what test condition?
The SA58AHE3/54 has a maximum clamping voltage (VC) of 93.6 V, measured at a peak pulse current (IPPM) of 5.3 A using the standard 10/1000 μs double-exponential waveform. This value is guaranteed across the full operating temperature range and defines the upper voltage limit imposed on protected circuits during surge events. The SA58AHE3/54 maintains this clamping performance due to its low incremental surge resistance and stable avalanche characteristics.
Is SA58AHE3/54 suitable for automotive applications, and what qualification does it hold?
Yes, SA58AHE3/54 is explicitly qualified to AEC-Q101 for automotive use, confirmed in the Vishay datasheet revision 27-Sep-2021. It is rated for operation from -55 °C to +175 °C junction temperature and tested for mechanical shock, temperature cycling, and humidity resistance per the AEC standard. The HE3 suffix denotes AEC-Q101 qualification, making SA58AHE3/54 appropriate for engine control units, body electronics, and ADAS power supplies.
What is the polarity configuration of SA58AHE3/54, and how is it identified physically?
SA58AHE3/54 is a unidirectional TVS diode, meaning it conducts only in reverse bias during overvoltage events and blocks forward current like a standard rectifier. Polarity is indicated by a single color band (typically black or dark gray) located at the cathode end of the DO-15 package. When installed, the banded end connects to the line being protected (e.g., 58 V rail), and the unbanded end connects to ground or return path.
How does the SA58AHE3/54 compare to bidirectional TVS diodes like SA58CA in terms of application scope?
SA58AHE3/54 is unidirectional and suited for DC power rails and single-polarity signal lines where reverse conduction must be blocked. In contrast, SA58CA is bidirectional and used in AC-coupled or floating signal paths (e.g., RS-485, CAN bus). SA58AHE3/54 provides tighter leakage control (<1.0 μA at VWM) and avoids false triggering in DC systems-making it the correct choice for 48 V BMS inputs, sensor VCC lines, and other asymmetric voltage domains.
What is the lead finish and soldering compatibility of SA58AHE3/54?
SA58AHE3/54 features matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 for solderability. It supports wave and hand soldering with a maximum solder dip temperature of 275 °C for up to 10 seconds, per JESD 22-B106. The HE3 suffix also confirms compliance with JESD 201 Class 2 whisker resistance, ensuring long-term reliability in high-humidity or high-temperature environments where tin whiskers could cause shorts.
SA58AHE3/54 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 58V
- Voltage - Breakdown (Min):
- 64.4V
- Voltage - Clamping (Max) @ Ipp:
- 93.6V
- Current - Peak Pulse (10/1000µs):
- 5.3A
- 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)
SA58AHE3/54 FAQ
1.How can I place an order for SA58AHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA58AHE3/54 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 SA58AHE3/54 reliable?
The price and inventory of SA58AHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA58AHE3/54 is usually 5 days.
3.What payment methods are accepted for SA58AHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA58AHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA58AHE3/54?
SA58AHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA58AHE3/54 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 SA58AHE3/54?
For technical support, including SA58AHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA58AHE3/54 requirements.
6.How does Aetrix verify that SA58AHE3/54 is sourced from the original manufacturer or authorized distributors?
All SA58AHE3/54 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 SA58AHE3/54 meets industry standards.
7.What is the process for return or replacement of SA58AHE3/54?
All SA58AHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with SA58AHE3/54, 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 SA58AHE3/54 part is unused and in its original packaging.
Return procedure for SA58AHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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