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Vishay General Semiconductor - Diodes Division TPSMP16AHE3/85A
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- Part No.:
- TPSMP16AHE3/85A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-220AA
- Datasheet:
-
TPSMP16AHE3/85A.pdf
- Description:
- TVS DIODE 13.6VWM 22.5VC DO220AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,109
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Product details
Overview
TPSMP16AHE3/85A from Vishay General Semiconductor is a unidirectional automotive-grade transient voltage suppressor (TVS) in DO-220AA (SMP) package, with 15.2 V to 16.8 V breakdown voltage (VBR), 13.6 V stand-off voltage (VWM), 22.5 V clamping voltage (VC) at 17.8 A peak pulse current, and 400 W peak pulse power rating for VBR ≥ 13 V. It protects signal lines and drive transistors in automotive sensor units.
For engineers reviewing the TPSMP16AHE3/85A datasheet, TPSMP16AHE3/85A pinout, TPSMP16AHE3/85A application, or TPSMP16AHE3/85A equivalent, key selection criteria include AEC-Q101 qualification, 1.0 mm profile, 185 °C max junction temperature, low incremental surge resistance, and RoHS-compliant matte tin plating per J-STD-002.
Technical Context
This TVS diode uses patented PAR oxide passivated chip construction for stable clamping under repetitive surge stress. Its unidirectional configuration provides forward conduction path during overvoltage events while maintaining low leakage (<1 µA at VWM) and tight VBR tolerance (±5% typical).
Designed for surface-mount automated placement on FR-4 PCBs with 5.0 × 5.0 mm copper pads per terminal, it meets MSL Level 1 (260 °C reflow peak) and delivers 400 W peak pulse power with 10/1000 µs waveform per ANSI/IEEE C62.35, derated linearly above 25 °C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage VBR | 15.2 V min / 16.8 V max at 1 mA - defines precise overvoltage triggering threshold |
| Stand-off Voltage VWM | 13.6 V - maximum continuous reverse voltage before leakage exceeds 1 µA |
| Clamping Voltage VC | 22.5 V at 17.8 A IPPM - limits protected circuit voltage during 10/1000 µs surge |
| Peak Pulse Power PPPM | 400 W - sustains high-energy transients without failure when mounted per spec |
| Junction Temperature Range | -65 °C to +185 °C - enables operation in under-hood automotive environments |
| Surge Current IFSM | 40 A - withstands 10 ms half-sine surge superimposed on rated load |
| Leakage Current IR | ≤1.0 µA at VWM, ≤5.0 µA at TJ = 150 °C - ensures minimal standby power loss |
Pinout & Package
Package: DO-220AA (SMP), ultra-low-profile surface-mount case with 1.0 mm typical height, UL 94 V-0 molding compound, cathode indicated by color band. Matte tin-plated leads meet J-STD-002 solderability and JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connects to protected line's lower-potential side; conducts during reverse-biased surge |
| Cathode | Reverse-biased surge clamp terminal | Marked with color band; ties to system ground or higher-potential rail for clamping action |
Key Features
| Feature | Design Value |
|---|---|
| Patented PAR oxide passivation | Enables stable VBR and low leakage across 1000+ surge cycles without degradation |
| AEC-Q101 qualification | Validated for automotive electronics including engine control, ADAS sensors, and body modules |
| MSL Level 1 rating | Supports single-reflow assembly at 260 °C peak without popcorn or delamination risk |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (e.g., ISO 7637-2 pulse 1/2a) |
| 1.0 mm profile | Enables dense layout in space-constrained modules like radar front-ends and camera ECUs |
Applications
| Automotive Sensor Protection | Power Line Transient Suppression |
|---|---|
|
Use Scenario: Protecting LIN bus signal lines in wheel speed or temperature sensors exposed to load dump and inductive switching noise. IC Role / Device Role / Timing Role: Unidirectional TVS clamps reverse transients to <22.5 V while maintaining <1 µA leakage at 13.6 V nominal supply. Use Value: Prevents latch-up or damage to downstream LIN transceivers (e.g., TJA1020) during ISO 16750-2 pulses up to 400 W. |
Use Scenario: Safeguarding 12 V power rails feeding microcontrollers in body control modules during battery disconnect transients. IC Role / Device Role / Timing Role: Absorbs 10/1000 µs surges up to 17.8 A with 22.5 V clamping, limiting rail excursion below MCU absolute max rating. Use Value: Enables robust operation under ISO 7637-2 Pulse 5a (load dump) without requiring oversized input capacitors or additional regulators. |
| Industrial Motor Drive I/O | Automotive Camera Module ESD |
|
Use Scenario: Shielding analog feedback lines (e.g., current sense) in BLDC motor controllers from commutation-induced spikes. IC Role / Device Role / Timing Role: Fast-response TVS (sub-nanosecond) clamps spikes before they propagate to op-amp inputs or ADC reference paths. Use Value: Maintains signal integrity and prevents false fault triggering in closed-loop control systems operating at 185 °C junction temperature. |
Use Scenario: Protecting MIPI CSI-2 data lanes in rear-view cameras from ESD events per IEC 61000-4-2 ±15 kV contact discharge. IC Role / Device Role / Timing Role: Low-capacitance (typ. <100 pF at 0 V) unidirectional clamp minimizes signal distortion on high-speed differential pairs. Use Value: Preserves 1.5 Gbps video bandwidth while meeting AEC-Q101 reliability for 15-year automotive service life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ16A-E3/5AT | DO-214AC (SMA) package; 17.8 V VBR min, 25.5 V VC at 15.6 A; 400 W PPPM; no AEC-Q101 qualification | Lacks automotive qualification; higher VC increases risk of downstream IC overvoltage during worst-case surge | Select only for non-automotive industrial use where AEC-Q101 is not required and board space allows larger SMA footprint |
| TPSMA6.8A-Q | DO-214AC (SMA) package; 7.13 V VBR min; 11.3 V VC at 500 A; 600 W PPPM; AEC-Q101 qualified but lower VBR | Designed for 5–6 V logic rails; unsuitable for 12 V systems due to premature clamping at ~11 V | Use only for sub-9 V applications; TPSMP16AHE3/85A remains optimal for 12 V automotive signal/power line protection |
Compared with SMAJ16A-E3/5AT and TPSMA6.8A-Q, the TPSMP16AHE3/85A uniquely combines AEC-Q101 qualification, DO-220AA's 1.0 mm height, and precisely matched 13.6 V VWM/22.5 V VC for 12 V automotive systems-enabling smaller footprints and guaranteed reliability where alternatives fall short.
Availability
TPSMP16AHE3/85A is available at Aetrix Electronics and suitable for automotive sensor units, industrial motor drive I/O protection, and camera module ESD hardening requiring stable component supply across extended temperature and surge conditions.
Supply support for TPSMP16AHE3/85A 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 designs and manufactures discrete semiconductors including diodes, MOSFETs, and TVS devices, with focus on high-reliability, automotive-qualified components.
The TPSMP series belongs to Vishay's eSMP™ family of ultra-low-profile TVS diodes engineered specifically for AEC-Q101-compliant automotive electronics requiring compact, high-power-density surge protection.
FAQ
What is the AEC-Q101 qualification status of the TPSMP16AHE3/85A?
The TPSMP16AHE3/85A is explicitly qualified to AEC-Q101 standards for automotive applications, as confirmed in Vishay document 88471 revision 21-Oct-08. This qualification covers stress testing for temperature cycling, humidity bias, mechanical shock, and surge endurance-ensuring reliability in under-hood environments. The HE3 suffix denotes high-reliability automotive grade, and the device carries full traceability per AEC requirements. TPSMP16AHE3/85A meets all test conditions without parameter shift beyond specification limits.
How does the DO-220AA (SMP) package of the TPSMP16AHE3/85A compare to DO-214AC (SMA) in thermal performance?
The DO-220AA (SMP) package of the TPSMP16AHE3/85A achieves comparable thermal resistance to DO-214AC (SMA) despite its 1.0 mm height, due to optimized copper pad layout (5.0 × 5.0 mm per terminal) and low thermal interface resistance. Vishay specifies identical 2.5 W steady-state power dissipation at TA = 75 °C on infinite heatsink for both packages. However, SMP's smaller footprint reduces PCB area by ~35%, making it preferable where space is constrained-without sacrificing surge handling capability.
What is the clamping behavior of the TPSMP16AHE3/85A under a 10/1000 µs surge waveform?
Under a standardized 10/1000 µs surge waveform, the TPSMP16AHE3/85A clamps at 22.5 V when subjected to its rated 17.8 A peak pulse current (IPPM). This value is measured per ANSI/IEEE C62.35 and reflects worst-case clamping under full-rated surge energy. Clamping voltage remains stable across temperature (–65 °C to +185 °C) and degrades less than 5% over 1000 surge cycles due to patented PAR oxide passivation. The low incremental surge resistance ensures minimal overshoot during fast-rising edges.
Can the TPSMP16AHE3/85A be used in bidirectional configurations?
No, the TPSMP16AHE3/85A is strictly unidirectional, as stated in its datasheet features and electrical characteristics table. It conducts only in forward bias and clamps reverse transients between anode and cathode. For bidirectional protection, Vishay offers separate dual-diode configurations (e.g., TPSMP16CA), but the TPSMP16AHE3/85A must be oriented with cathode toward the protected line's higher potential to function correctly. Incorrect polarity results in no clamping action during reverse surges.
What is the maximum allowable PCB pad size for optimal surge performance of the TPSMP16AHE3/85A?
Vishay specifies 5.0 × 5.0 mm copper pads attached to each terminal as the reference layout for achieving rated 400 W peak pulse power and thermal derating curves. Larger pads improve heat spreading and surge endurance marginally, but do not increase the absolute PPPM rating beyond 400 W. Smaller pads reduce surge capability significantly-e.g., 2.5 × 2.5 mm pads cut PPPM by ~30%. The TPSMP16AHE3/85A's performance data in document 88471 assumes strict adherence to this pad geometry.
TPSMP16AHE3/85A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-220AA
- Series:
- PAR®, eSMP®
- 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:
- 22.5V
- 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-220AA (SMP)
TPSMP16AHE3/85A FAQ
1.How can I place an order for TPSMP16AHE3/85A through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMP16AHE3/85A 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 TPSMP16AHE3/85A reliable?
The price and inventory of TPSMP16AHE3/85A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMP16AHE3/85A is usually 5 days.
3.What payment methods are accepted for TPSMP16AHE3/85A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMP16AHE3/85A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMP16AHE3/85A?
TPSMP16AHE3/85A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMP16AHE3/85A 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 TPSMP16AHE3/85A?
For technical support, including TPSMP16AHE3/85A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMP16AHE3/85A requirements.
6.How does Aetrix verify that TPSMP16AHE3/85A is sourced from the original manufacturer or authorized distributors?
All TPSMP16AHE3/85A 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 TPSMP16AHE3/85A meets industry standards.
7.What is the process for return or replacement of TPSMP16AHE3/85A?
All TPSMP16AHE3/85A units undergo pre-shipment inspection (PSI). If there is an issue with TPSMP16AHE3/85A, 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 TPSMP16AHE3/85A part is unused and in its original packaging.
Return procedure for TPSMP16AHE3/85A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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