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Vishay General Semiconductor - Diodes Division SMA5J16CAHE3/61
- Part No.:
- SMA5J16CAHE3/61
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMA5J16CAHE3/61.pdf
- Description:
- TVS DIODE 16VWM 26VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:8,589
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Product details
Overview
SMA5J16CAHE3/61 from Vishay General Semiconductor is a bidirectional Transient Voltage Suppressor (TVS) diode in SMA (DO-214AC) package, designed for high-energy surge protection on signal and power lines. It features a 16 V stand-off voltage (VWM), 26.0 V clamping voltage (VC) at 19.2 A peak pulse current (IPPM), and 500 W peak pulse power (PPPM) with 10/1000 µs waveform - used to safeguard automotive sensor interfaces and industrial I/O circuits against ESD and load dump transients.
For engineers reviewing the SMA5J16CAHE3/61 datasheet, SMA5J16CAHE3/61 pinout, SMA5J16CAHE3/61 application, or SMA5J16CAHE3/61 equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, low incremental surge resistance, thermal performance under repetitive surge stress, and compatibility with automated SMT assembly on 5.0 mm × 5.0 mm copper pads.
Technical Context
This device operates as a voltage-clamped shunt protector: when reverse (or forward, in bidirectional mode) transient voltage exceeds its breakdown threshold (VBR = 17.8–19.7 V), it avalanches to divert surge current away from downstream circuitry. Its glass-passivated junction ensures stable leakage (<1.0 µA at VWM) and fast response time (<1 ns).
Designed for unclamped transient suppression per IEC 61000-4-5 (surge) and IEC 61000-4-2 (ESD), it sustains operation across –55 °C to +150 °C junction temperature range and meets MSL Level 1 (260 °C reflow peak), supporting automotive-grade reliability without derating up to 125 °C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 16 V - maximum continuous reverse operating voltage before conduction begins; defines safe operating margin for 12 V nominal systems. |
| VBR (min/max) | 17.8 V / 19.7 V - breakdown occurs within this band at 1 mA test current; ensures predictable turn-on during overvoltage events. |
| VC @ IPPM | 26.0 V at 19.2 A - clamped voltage seen by protected circuit during 500 W surge; limits stress on downstream ICs. |
| PPPM | 500 W - peak pulse power handling with 10/1000 µs waveform; supports robust protection against lightning-induced surges. |
| TJ max | +150 °C - maximum junction temperature; enables use in under-hood automotive environments and high-power industrial enclosures. |
| Package | SMA (DO-214AC) - surface-mount package with 5.0 mm × 5.0 mm thermal pad footprint; optimized for PCB heat dissipation and automated placement. |
Pinout & Package
SMA5J16CAHE3/61 uses the SMA (DO-214AC) package: a molded plastic case with two coplanar leads, no polarity marking (bidirectional), matte tin-plated terminals solderable per J-STD-002, and UL 94 V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional surge path | No defined anode/cathode; identical clamping behavior in both directions - simplifies layout and eliminates orientation errors in PCB assembly. |
| Case (body) | Thermal and mechanical interface | Non-conductive plastic body; thermal path relies on copper pad area (0.2" × 0.2") under each lead for RθJA = 80 °C/W performance. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control modules and ADAS sensor interfaces per stress test requirements. |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving protection margin for 3.3 V/5 V logic-level components. |
| Glass passivated junction | Ensures long-term stability of VBR and leakage current across temperature and humidity cycling. |
| MSL Level 1 compliance | Enables single-pass reflow at 260 °C peak without popcorn cracking or delamination - compatible with standard SMT lines. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional shunt TVS placed between signal line and ground, clamping transients before they reach the transceiver's ESD structure. Use Value: Maintains signal integrity during 12 V system surges up to ±500 W while meeting AEC-Q101 lifetime reliability targets. | Use Scenario: Safeguarding digital input channels on programmable logic controllers exposed to inductive switching noise from solenoids and contactors. IC Role / Device Role / Timing Role: Fast-response voltage clamp on 24 V DC input lines, limiting transient voltage to <26 V to prevent false triggering or latch-up in microcontroller GPIOs. Use Value: Enables reliable operation in factory-floor environments where repetitive 10/1000 µs surges occur without requiring external series impedance. |
| Telecom Line Interface | Consumer Power Adapter Output |
Use Scenario: Surge protection on Ethernet PHY differential pairs or RS-485 data lines in outdoor telecom equipment subject to lightning-induced surges. IC Role / Device Role / Timing Role: Bidirectional TVS placed across differential pair (line-to-line) and to ground, suppressing common-mode and differential-mode transients. Use Value: Provides symmetrical clamping (VC ≤ 26 V) without skewing signal timing - critical for maintaining 100 Mbps+ data integrity. | Use Scenario: Secondary-side overvoltage protection on 12 V/19 V output rails of AC-DC adapters for laptops and monitors. IC Role / Device Role / Timing Role: Clamp device placed between output rail and ground to absorb output capacitor discharge energy and regulator fault transients. Use Value: Prevents damage to connected devices during open-load or short-circuit recovery events, with no added forward voltage drop in normal operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA5J16CA-M3/61 | Halogen-free, RoHS-compliant variant; identical electrical specs and AEC-Q101 qualification. | No functional difference; selected when halogen-free material compliance is required by OEM spec. | Choose SMA5J16CA-M3/61 only if halogen-free content is mandated; otherwise SMA5J16CAHE3/61 offers same performance with standard RoHS compliance. |
| SMC5J16CAHE3/61 | Larger SMC (DO-214AB) package; higher thermal mass yields RθJA = 40 °C/W vs. 80 °C/W, but same VWM/VC/PPPM. | Used where higher surge repetition rate or longer thermal time constants are needed; requires larger PCB footprint. | Select SMC5J16CAHE3/61 only when 500 W surge must be sustained at elevated ambient temperatures (>85 °C) or with frequent repetition; SMA5J16CAHE3/61 suffices for most single-event protection. |
Compared with SMA5J16CA-M3/61, the SMA5J16CAHE3/61 offers identical protection performance with standard RoHS compliance; compared with SMC5J16CAHE3/61, it provides the same clamping and power rating in a 40 % smaller footprint - ideal for space-constrained automotive and industrial PCBs where thermal cycling is moderate.
Availability
SMA5J16CAHE3/61 is available at Aetrix Electronics and suitable for automotive electronics, industrial control systems, and telecom infrastructure requiring stable component supply with AEC-Q101 qualification and full traceability.
Supply support for SMA5J16CAHE3/61 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, power density, and automotive-grade qualification.
The SMA5JxxCA family is engineered for high-power-density transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where compact size, repeatable clamping, and AEC-Q101 validation are mandatory.
FAQ
What is the clamping voltage of the SMA5J16CAHE3/61 under a 10/1000 µs surge?
The SMA5J16CAHE3/61 has a maximum clamping voltage (VC) of 26.0 V at 19.2 A peak pulse current (IPPM) with a 10/1000 µs waveform. This value is measured per standard test conditions (TA = 25 °C, mounted on 0.2" × 0.2" copper pads), and represents the upper voltage limit imposed on protected circuitry during surge events - critical for ensuring downstream ICs remain within absolute maximum ratings.
Is the SMA5J16CAHE3/61 suitable for automotive applications?
Yes, the SMA5J16CAHE3/61 is AEC-Q101 qualified and explicitly designated for automotive use via the "HE3" suffix. It meets stress test requirements for temperature cycling, humidity, mechanical shock, and surge endurance - making it appropriate for engine control units, body electronics, and ADAS sensor interfaces where reliability under extended temperature ranges (–55 °C to +150 °C) is essential.
How does the bidirectional configuration of SMA5J16CAHE3/61 affect its circuit implementation?
The SMA5J16CAHE3/61 has no polarity marking and delivers identical clamping performance in both directions - enabling direct placement across any two nodes needing symmetric overvoltage protection, such as differential signal lines or AC-coupled rails. This eliminates orientation checks during assembly and avoids incorrect installation that could compromise protection in unidirectional variants.
What is the thermal resistance of SMA5J16CAHE3/61, and how does it impact layout design?
The SMA5J16CAHE3/61 has a typical junction-to-ambient thermal resistance (RθJA) of 80 °C/W when mounted on 0.2" × 0.2" copper pads per terminal. To maintain safe junction temperature under repeated surges, PCB layout must provide adequate copper area and avoid thermal bottlenecks - reducing pad size or using thinner copper will raise RθJA and risk thermal runaway during high-duty-cycle transients.
Does SMA5J16CAHE3/61 require external series impedance for optimal protection?
No, the SMA5J16CAHE3/61 functions as a self-limiting shunt protector and does not require external series impedance to operate. Its low dynamic impedance and fast response (<1 ns) allow it to clamp transients before downstream components react. However, in high-frequency ESD scenarios (IEC 61000-4-2), a small series resistor (e.g., 0 Ω to 10 Ω) may be added to reduce ringing - but this is layout-dependent, not device-mandated.
SMA5J16CAHE3/61 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 16V
- Voltage - Breakdown (Min):
- 17.8V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 19.2A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
SMA5J16CAHE3/61 FAQ
1.How can I place an order for SMA5J16CAHE3/61 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMA5J16CAHE3/61 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 SMA5J16CAHE3/61 reliable?
The price and inventory of SMA5J16CAHE3/61 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMA5J16CAHE3/61 is usually 5 days.
3.What payment methods are accepted for SMA5J16CAHE3/61?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMA5J16CAHE3/61 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMA5J16CAHE3/61?
SMA5J16CAHE3/61 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMA5J16CAHE3/61 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 SMA5J16CAHE3/61?
For technical support, including SMA5J16CAHE3/61 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMA5J16CAHE3/61 requirements.
6.How does Aetrix verify that SMA5J16CAHE3/61 is sourced from the original manufacturer or authorized distributors?
All SMA5J16CAHE3/61 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 SMA5J16CAHE3/61 meets industry standards.
7.What is the process for return or replacement of SMA5J16CAHE3/61?
All SMA5J16CAHE3/61 units undergo pre-shipment inspection (PSI). If there is an issue with SMA5J16CAHE3/61, 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 SMA5J16CAHE3/61 part is unused and in its original packaging.
Return procedure for SMA5J16CAHE3/61:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMA5J16CAHE3/61 Tags
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