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Vishay General Semiconductor - Diodes Division SA110CAHE3/54
- Part No.:
- SA110CAHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA110CAHE3/54.pdf
- Description:
- TVS DIODE 110VWM 177VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:4,615
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Product details
Overview
SA110CAHE3/54 from Vishay General Semiconductor is a bidirectional TransZORB® transient voltage suppressor (TVS) diode in DO-15 package, rated for 110 V standoff voltage (VWM), 122–135 V breakdown (VBR), 500 W peak pulse power (10/1000 μs), and clamping to ≤177 V at 2.8 A IPPM. It protects signal lines and power rails in automotive sensor units and industrial control interfaces against ESD and inductive switching transients.
For engineers reviewing the SA110CAHE3/54 datasheet, SA110CAHE3/54 pinout, SA110CAHE3/54 application, or SA110CAHE3/54 equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, DO-15 mechanical data, clamping behavior under surge conditions, and direct alternatives for circuit protection redesign.
Technical Context
The SA110CAHE3/54 operates as a symmetric bidirectional TVS, with identical forward and reverse breakdown characteristics-no polarity marking required. Its glass-passivated junction enables fast response (<1 ns) and low incremental surge resistance, critical for suppressing sub-microsecond transients induced by relay switching or motor commutation.
Designed for repetitive surge handling at 0.01% duty cycle, it sustains 500 W peak pulse power per 10/1000 μs waveform and derates linearly above 25 °C ambient, maintaining clamping integrity up to TJ = 175 °C. The HE3 suffix confirms AEC-Q101 qualification and JESD 201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 110 V - maximum continuous reverse voltage before clamping begins; defines operating margin for 12 V–48 V DC systems with safety headroom |
| VBR (min/max) | 122 V / 135 V at 1 mA - guaranteed breakdown window ensures predictable turn-on across temperature and unit variation |
| VC @ IPPM | ≤177 V at 2.8 A - clamping voltage limits downstream IC stress during 10/1000 μs surges (e.g., ISO 7637-2 Pulse 1/2a) |
| PPPM | 500 W - peak transient energy absorption capacity using standard 10/1000 μs test waveform |
| ID @ VWM | ≤1.0 μA - ultra-low leakage preserves signal integrity on high-impedance sensor lines and battery-backed circuits |
| TJ max | +175 °C - extended junction temperature rating supports under-hood automotive and industrial environments |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD robustness |
Pinout & Package
DO-15 (DO-204AC) molded epoxy package with matte tin-plated leads; bidirectional symmetry means both terminals are electrically identical-no cathode/anode designation or color band marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Both terminals conduct identically during positive or negative transients; no PCB polarity constraint required |
| Leads (2) | Thermal and mechanical interface | Lead length ≥1.0 inch (25.4 mm) required for thermal derating; solderable per J-STD-002/JESD 22-B102 |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enables <1 ns response time and stable VBR over 1000+ surge events without parameter drift |
| 500 W peak pulse power (10/1000 μs) | Supports IEC 61000-4-5 Level 4 (4 kV line-earth) and ISO 7637-2 Pulse 5a (75 V/300 ms) compliance |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive applications including engine control modules, ADAS sensors, and body electronics |
| UL 94 V-0 molding compound | Prevents flame propagation in enclosed enclosures-required for industrial safety certifications (IEC 62368-1) |
| Low clamping ratio (VC/VBR ≈ 1.4) | Minimizes let-through voltage to protect 130 V-rated MOSFETs and 150 V input-stage capacitors |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) from load dump and alternator ripple in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional clamping device placed at connector entry point to shunt transients before reaching signal conditioning ICs. Use Value: Maintains signal fidelity under ISO 16750-2 load dump (120 V/1 s) while surviving >1000 cycles due to glass-passivated junction stability. | Use Scenario: Safeguarding 24 V DC digital input modules in programmable logic controllers against inductive kickback from solenoid valves and contactors. IC Role / Device Role / Timing Role: Primary overvoltage clamp on field-side inputs, coordinated with series current-limiting resistor and optocoupler isolation. Use Value: Limits transient voltage to ≤177 V, preventing latch-up in microcontroller GPIOs and enabling reliable 3000-cycle lifetime per IEC 61000-4-4. |
| Telecom Power Rail Protection | Consumer Appliance Motor Control |
Use Scenario: Guarding 48 V PoE-powered Ethernet switch ports and base station RF front-end supplies against lightning-induced surges. IC Role / Device Role / Timing Role: Secondary-level TVS on DC input rail, downstream of primary GDT/MOV stage, providing precise clamping for sensitive DC/DC converters. Use Value: Low 1.0 μA leakage avoids standby current penalty; 175 °C TJ rating ensures operation near hot-running power components. | Use Scenario: Shielding microcontroller-based motor drivers in washing machines and HVAC blowers from commutation spikes generated by brushed DC motors. IC Role / Device Role / Timing Role: Across-rail suppressor on H-bridge supply, absorbing back-EMF energy during PWM switching transitions. Use Value: 500 W rating handles repeated 100–200 V spikes at 1–5 kHz PWM frequencies without thermal runaway or VBR shift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ110CA | Same VWM/VBR/PPPM but in SMB (DO-214AA) package; 30% smaller footprint, higher thermal resistance (RθJA = 50 °C/W vs. DO-15's 40 °C/W) | Better suited for space-constrained PCBs where airflow is controlled; less ideal for high-ambient industrial enclosures | Select SMBJ110CA when board area is limited and thermal management includes heatsinking or forced air. |
| P6KE110CA | Same electrical specs but legacy DO-15 package with lower surge rating (600 W vs. 500 W); not AEC-Q101 qualified; higher VF (3.5 V) and ID (5 μA) | Acceptable for commercial-grade consumer products but excluded from automotive or safety-critical industrial designs | Choose P6KE110CA only for cost-sensitive non-automotive applications where AEC-Q101 and ultra-low leakage are not required. |
Compared with SMBJ110CA and P6KE110CA, the SA110CAHE3/54 uniquely combines AEC-Q101 qualification, 1.0 μA leakage, and DO-15 mechanical robustness-making it the preferred choice for automotive sensor nodes and industrial control I/O where long-term reliability under thermal stress is mandatory.
Availability
SA110CAHE3/54 is available at Aetrix Electronics and suitable for automotive sensor protection, industrial PLC I/O hardening, and telecom power rail safeguarding requiring stable component supply across multi-year production cycles.
Supply support for SA110CAHE3/54 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, efficiency, and automotive-grade qualification.
The SAxxCA series targets circuit protection in harsh environments-designed specifically for AEC-Q101 compliance, high-temperature operation, and repeatable clamping performance in automotive, industrial, and telecom infrastructure.
FAQ
What is the clamping voltage of SA110CAHE3/54 at its rated peak pulse current?
The SA110CAHE3/54 clamps to a maximum of 177 V at its specified peak pulse current (IPPM) of 2.8 A under a 10/1000 μs waveform. This value is measured per Figure 9 in the Vishay datasheet 88378 and reflects worst-case device behavior at TA = 25 °C. The SA110CAHE3/54 maintains this clamping performance across its full operating temperature range due to low temperature coefficient (61 mV/°C).
Is SA110CAHE3/54 suitable for automotive applications?
Yes, the SA110CAHE3/54 is AEC-Q101 qualified (confirmed by HE3 suffix and datasheet note on page 3), making it suitable for automotive use cases including engine control units, ADAS sensor interfaces, and body electronics. Its 175 °C maximum junction temperature, low leakage (<1.0 μA), and robust surge endurance meet stringent automotive reliability requirements.
How does the SA110CAHE3/54 differ from unidirectional SA110A variants?
The SA110CAHE3/54 is bidirectional with symmetrical breakdown in both polarities and no polarity marking, whereas SA110A is unidirectional with a cathode band and conducts only in reverse bias. The SA110CAHE3/54 supports AC-coupled or floating signal lines (e.g., CAN bus), while SA110A is used on DC rails with defined ground reference. Both share identical VWM, VBR, and PPPM ratings.
What is the meaning of the "HE3/54" suffix in SA110CAHE3/54?
The "HE3" suffix indicates RoHS-compliant construction with AEC-Q101 qualification and JESD 201 Class 2 whisker resistance; "/54" denotes the preferred package code for 13-inch paper tape and reel packaging with 4000 units per reel. This matches Vishay's ordering convention shown in the "Ordering Information" section of datasheet 88378.
Can SA110CAHE3/54 be used in parallel for higher surge current handling?
No-SA110CAHE3/54 should not be paralleled without external balancing resistors, as minor VBR mismatches between units cause current hogging and premature failure. For higher surge capability, select a single higher-rated device (e.g., SA130CA) or verify matched-bin pairing per Vishay application guidance. The SA110CAHE3/54 is characterized for standalone operation per its published PPPM and IPPM ratings.
SA110CAHE3/54 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):
- 110V
- Voltage - Breakdown (Min):
- 122V
- Voltage - Clamping (Max) @ Ipp:
- 177V
- Current - Peak Pulse (10/1000µs):
- 2.8A
- 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)
SA110CAHE3/54 FAQ
1.How can I place an order for SA110CAHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA110CAHE3/54 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 SA110CAHE3/54 reliable?
The price and inventory of SA110CAHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA110CAHE3/54 is usually 5 days.
3.What payment methods are accepted for SA110CAHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA110CAHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA110CAHE3/54?
SA110CAHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA110CAHE3/54 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 SA110CAHE3/54?
For technical support, including SA110CAHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA110CAHE3/54 requirements.
6.How does Aetrix verify that SA110CAHE3/54 is sourced from the original manufacturer or authorized distributors?
All SA110CAHE3/54 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 SA110CAHE3/54 meets industry standards.
7.What is the process for return or replacement of SA110CAHE3/54?
All SA110CAHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with SA110CAHE3/54, 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 SA110CAHE3/54 part is unused and in its original packaging.
Return procedure for SA110CAHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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