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Vishay General Semiconductor - Diodes Division TPSMA16AHE3/5AT
- Part No.:
- TPSMA16AHE3/5AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
TPSMA16AHE3/5AT.pdf
- Description:
- TVS DIODE 13.6VWM 22VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:9,820
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Product details
Overview
TPSMA16AHE3/5AT from Vishay General Semiconductor is a unidirectional surface-mount PAR® transient voltage suppressor (TVS) designed for clamping inductive switching surges and lightning-induced transients on power rails and signal lines. It features a 16.0 V nominal breakdown voltage (VBR), 400 W peak pulse power (10/1000 µs), 22.0 V maximum clamping voltage (VC) at 5.0 A, 1.0 W steady-state power dissipation, and operates up to +185 °C junction temperature - deployed in automotive power supply protection and industrial sensor interface circuits.
For engineers reviewing the TPSMA16AHE3/5AT datasheet, TPSMA16AHE3/5AT pinout, TPSMA16AHE3/5AT application, or TPSMA16AHE3/5AT equivalent, key selection criteria include unidirectional polarity, SMA (DO-214AC) package compatibility, AEC-Q101 qualification status, 13.6 V stand-off voltage (VWM), and low 1.0 µA reverse leakage at VWM and 150 °C.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology with optimized junction passivation for stable clamping under high-temperature stress. Its 185 °C maximum junction temperature and MSL Level 1 rating support reflow soldering at 260 °C peak and long-term reliability in under-hood automotive environments.
The device delivers 22.0 V clamping voltage at 5.0 A IPPM, with 0.078 %/°C temperature coefficient of VBR, enabling predictable overvoltage protection across wide thermal ranges. It meets AEC-Q101 requirements when ordered with HE3 suffix and is RoHS-compliant with matte tin-plated leads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 15.2 V / 16.0 V / 16.8 V - ensures reliable breakdown initiation above 13.6 V stand-off without false triggering |
| VWM | 13.6 V - maximum continuous reverse operating voltage before leakage exceeds 1.0 µA at 150 °C |
| VC @ IPPM = 5.0 A | 22.0 V - clamped voltage during 400 W transient, limiting downstream IC stress to safe levels |
| PPPM | 400 W - peak surge power handling capability per 10/1000 µs waveform, supporting IEC 61000-4-5 compliance |
| TJ max. | +185 °C - enables operation in high-temperature automotive and industrial control enclosures |
| Polarity | Unidirectional - protects against positive-going transients only; cathode marked by band |
| Package | SMA (DO-214AC) - industry-standard surface-mount outline with 0.208" x 0.157" footprint and 0.078" lead spacing |
Pinout & Package
SMA (DO-214AC) package with axial-leaded, molded plastic body; cathode indicated by color band; matte tin-plated terminals compliant with J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink node | Connected to protected line; conducts surge current to ground during overvoltage events |
| Anode | Reference/ground return path | Typically tied to system ground or low-impedance return plane to complete clamping loop |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per JEDEC standards |
| 185 °C junction rating | Supports placement near heat-generating components (e.g., DC-DC converters) without derating penalties |
| 400 W peak pulse power (10/1000 µs) | Withstands repetitive surge events in industrial motor drives and automotive load-dump scenarios |
| MSL Level 1 (260 °C peak) | Enables single-pass lead-free reflow assembly without moisture sensitivity concerns |
| Low 1.0 µA leakage @ VWM, 150 °C | Minimizes standby power loss in always-on automotive modules and battery-powered sensors |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamping element placed between power input and ground. Use Value: Limits transient voltage to ≤22.0 V, preventing damage to downstream LDOs and microcontrollers rated for 24 V absolute max. |
Use Scenario: Shielding analog sensor outputs (e.g., pressure, temperature) from ESD and cable discharge events. IC Role / Device Role / Timing Role: Fast-response shunt protector on signal line with low capacitance and minimal loading. Use Value: Clamps 8 kV contact ESD pulses within nanoseconds while adding <1 pF parasitic capacitance at 0 V bias. |
| Consumer Power Adapter Input Protection | Telecom Line Card Surge Suppression |
Use Scenario: Safeguarding AC-DC adapter primary-side rectifiers and controllers from mains-borne surges. IC Role / Device Role / Timing Role: Standoff-rated TVS on DC bus prior to switching regulator input. Use Value: Withstands 400 W surges without degradation, maintaining 13.6 V hold-off during normal 12 V operation. |
Use Scenario: Front-end protection for Ethernet PHYs and DSL line drivers exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Primary-level unidirectional clamp on differential pair or power rail. Use Value: Provides repeatable 22.0 V clamping with <10 ns response time, meeting GR-1089-CORE Level 3 requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ16A | Same VBR range (15.2–16.8 V), but SMB package (DO-214AA); 600 W PPPM; higher VC = 26.0 V @ 5.0 A | Larger footprint (0.236" × 0.157") and 50 % higher clamping voltage reduce suitability for space-constrained 12 V rail designs | Select SMBJ16A only if higher surge margin is required and board layout accommodates larger package |
| SMCJ16A | Same VBR, but SMC package (DO-214AB); 1500 W PPPM; VC = 25.0 V @ 10.3 A; higher IFSM = 100 A | Designed for heavy-duty industrial surge suppression; overqualified for typical automotive sensor nodes | Choose SMCJ16A for main power inputs subject to repeated high-energy transients, not for point-of-load protection |
Compared with SMBJ16A and SMCJ16A, the TPSMA16AHE3/5AT offers optimal balance of compact SMA footprint, AEC-Q101 qualification, and precise 22.0 V clamping - making it preferred for space-limited, high-reliability automotive and industrial PCBs where consistent low-voltage clamping is critical.
Availability
TPSMA16AHE3/5AT is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom line card designs requiring stable component supply with guaranteed AEC-Q101 compliance and high-temperature operation.
Supply support for TPSMA16AHE3/5AT 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, TVS devices, and optoelectronics with emphasis on reliability and high-temperature performance.
The TPSMA series belongs to Vishay's PAR® family of transient voltage suppressors, engineered specifically for robust, high-temperature-stable clamping in automotive, industrial, and telecom infrastructure applications.
FAQ
What is the exact breakdown voltage tolerance for TPSMA16AHE3/5AT?
The TPSMA16AHE3/5AT has a specified breakdown voltage range of 15.2 V (minimum) to 16.8 V (maximum) at 1.0 mA test current, with 16.0 V nominal. This ±5 % tolerance is measured per ANSI/IEEE C62.35 and confirmed in the Vishay datasheet revision 23-Jan-2024, Document Number 88405. The TPSMA16AHE3/5AT maintains this specification across its full operating temperature range.
Is TPSMA16AHE3/5AT AEC-Q101 qualified?
Yes, TPSMA16AHE3/5AT is AEC-Q101 qualified. The "HE3" suffix explicitly denotes RoHS-compliant, AEC-Q101-qualified construction, validated per the full stress test schedule including HTGB, HTRB, TCT, and ESD. This qualification is documented in the Vishay TPSMA6.8A–TPSMA43A datasheet and applies to all HE3-suffix variants including TPSMA16AHE3/5AT.
What is the maximum clamping voltage of TPSMA16AHE3/5AT and at what current is it specified?
The maximum clamping voltage (VC) of TPSMA16AHE3/5AT is 22.0 V, measured at a peak pulse current (IPPM) of 5.0 A using a 10/1000 µs waveform. This value is guaranteed per the Electrical Characteristics table in the official Vishay datasheet and reflects worst-case clamping performance under standardized surge conditions.
Does TPSMA16AHE3/5AT support lead-free reflow soldering?
Yes, TPSMA16AHE3/5AT supports lead-free reflow soldering with a peak temperature of 260 °C. It is rated MSL Level 1 per J-STD-020, meaning it can be stored indefinitely at ambient conditions and processed in standard Pb-free reflow profiles without baking or special handling. The matte tin-plated leads meet J-STD-002 solderability requirements.
What is the reverse leakage current of TPSMA16AHE3/5AT at elevated temperature?
At VWM = 13.6 V and TJ = 150 °C, the maximum reverse leakage current (IR) of TPSMA16AHE3/5AT is 1.0 µA. This low leakage is critical for battery-backed systems and always-on automotive modules, and is verified per the Electrical Characteristics table in the Vishay datasheet for TPSMA16AHE3/5AT.
TPSMA16AHE3/5AT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 13.6V
- Voltage - Breakdown (Min):
- 15.2V
- Voltage - Clamping (Max) @ Ipp:
- 22V
- Current - Peak Pulse (10/1000µs):
- 17.8A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 185°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
TPSMA16AHE3/5AT FAQ
1.How can I place an order for TPSMA16AHE3/5AT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMA16AHE3/5AT 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 TPSMA16AHE3/5AT reliable?
The price and inventory of TPSMA16AHE3/5AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMA16AHE3/5AT is usually 5 days.
3.What payment methods are accepted for TPSMA16AHE3/5AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMA16AHE3/5AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMA16AHE3/5AT?
TPSMA16AHE3/5AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMA16AHE3/5AT 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 TPSMA16AHE3/5AT?
For technical support, including TPSMA16AHE3/5AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMA16AHE3/5AT requirements.
6.How does Aetrix verify that TPSMA16AHE3/5AT is sourced from the original manufacturer or authorized distributors?
All TPSMA16AHE3/5AT 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 TPSMA16AHE3/5AT meets industry standards.
7.What is the process for return or replacement of TPSMA16AHE3/5AT?
All TPSMA16AHE3/5AT units undergo pre-shipment inspection (PSI). If there is an issue with TPSMA16AHE3/5AT, 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 TPSMA16AHE3/5AT part is unused and in its original packaging.
Return procedure for TPSMA16AHE3/5AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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