Taiwan Semiconductor Corporation 5.0SMDJ16AH
- Part No.:
- 5.0SMDJ16AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
5.0SMDJ16AH.pdf
- Description:
- TVS DIODE 16VWM 26VC DO214AB
- Quantity:
- Payment:

- Shipping:

Inventory:3,766
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Product details
Overview
5.0SMDJ16AH from Taiwan Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode designed for high-energy surge protection in automotive and industrial power rails. It features a 16 V working standoff voltage (VWM), 17.8–19.7 V breakdown voltage (VBR), 5000 W peak pulse power (10/1000 µs), and clamps transients to ≤26.0 V at 193 A IPP. It is AEC-Q101 qualified and used in DC power input stages of automotive ECUs.
For engineers reviewing the 5.0SMDJ16AH datasheet, 5.0SMDJ16AH pinout, 5.0SMDJ16AH application, or 5.0SMDJ16AH equivalent, key selection criteria include its DO-214AB (SMC) package, unidirectional polarity, fast sub-1 ps response time, 26.0 V clamping voltage at rated current, and suitability for I/O interface and AC/DC power supply protection where high surge immunity and automotive-grade reliability are required.
Technical Context
The 5.0SMDJ16AH operates as a unidirectional avalanche diode with stacked-die construction optimized for high peak power handling. Its junction-to-lead thermal resistance is 16 °C/W, enabling effective heat transfer to PCB copper pads under repetitive surge conditions.
It delivers 5000 W peak pulse power per 10/1000 µs waveform at TA = 25°C, derating linearly above that temperature. The device exhibits <50 µA blocking leakage at 16 V and maintains clamping performance across –55°C to +175°C operating junction range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 16 V - Maximum continuous reverse operating voltage before conduction begins |
| VBR @ IT=1 mA | 17.8–19.7 V - Guaranteed avalanche breakdown threshold ensuring predictable turn-on |
| VC @ IPP=193 A | 26.0 V - Clamped voltage during full-rated surge, limiting downstream stress |
| PPPM | 5000 W - Peak pulse power capability per 10/1000 µs waveform, critical for ISO 7637-2 pulse 5a compliance |
| TJ max | +175 °C - Enables operation in under-hood automotive environments without thermal shutdown |
| RθJL | 16 °C/W - Low junction-to-lead thermal resistance supports sustained surge duty cycles on standard PCB copper pads |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, unidirectional configuration with cathode band marking. Matte tin-plated leads, J-STD-002 solderable, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during forward conduction | Connected to protected circuit ground or low-side return path in unidirectional clamp topology |
| Cathode | Current exit point during reverse-biased clamping | Connected to protected line (e.g., 12 V rail); cathode band identifies this terminal visually and on PCB silkscreen |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control, body electronics, and ADAS power domains |
| Fast response time <1.0 ps | Enables suppression of ESD and fast-rising transients before sensitive ICs experience overstress |
| Photo glass passivated junction | Ensures long-term reliability and stable VBR under humidity and thermal cycling |
| Stacked die construction | Increases surge current handling capacity while maintaining compact DO-214AB footprint |
Applications
| Automotive Power Input Protection | Industrial AC/DC Power Supply Input |
|---|---|
Use Scenario: Protecting 12 V battery-fed microcontroller power rails in engine control units against load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between VIN and GND, clamping surges to ≤26.0 V within sub-picosecond response. Use Value: Prevents latch-up or permanent damage to downstream PMICs and MCUs during ISO 7637-2 Pulse 5a events up to 5000 W. | Use Scenario: Safeguarding primary-side rectifier outputs in industrial switch-mode power supplies exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Standoff-rated TVS connected across bulk capacitor input, absorbing 10/1000 µs transients before they propagate to switching controllers. Use Value: Maintains system uptime by eliminating failure modes caused by overvoltage-induced MOSFET avalanche or controller reset. |
| Automotive Sensor Interface Protection | Telecom DC Feeder Line Protection |
Use Scenario: Shielding LIN bus or analog sensor inputs (e.g., pressure, temperature) from coupled transients in vehicle chassis wiring harnesses. IC Role / Device Role / Timing Role: Low-leakage (≤50 µA @ 16 V) unidirectional TVS placed at connector entry point, minimizing signal distortion during normal operation. Use Value: Preserves sensor accuracy and communication integrity while meeting AEC-Q101 vibration and thermal cycling requirements. | Use Scenario: Protecting -48 V DC telecom feeder lines from induced surges due to nearby power line faults or lightning coupling. IC Role / Device Role / Timing Role: High-power TVS mounted directly at line entry, clamping negative-going transients to safe levels relative to system ground. Use Value: Extends service life of line-card regulators and interface ICs by limiting peak voltage stress to ≤26.0 V during 5000 W surge events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ16A | Lower peak power rating (400 W), same DO-214AC (SMA) package, higher RθJA (90 °C/W) | Not AEC-Q101 qualified; suitable only for non-automotive consumer or industrial use | Select when cost sensitivity outweighs surge margin and automotive qualification is unnecessary |
| SMCJ16A | Same 5000 W rating and DO-214AB (SMC) package, but VBR min = 17.8 V (identical), VC = 27.0 V (vs. 26.0 V for 5.0SMDJ16AH) | Also AEC-Q101 qualified; differs only in minor clamping voltage and manufacturer-specific process | Acceptable alternative where 1.0 V higher clamping voltage is acceptable in system-level margin analysis |
Compared with SMAJ16A and SMCJ16A, the 5.0SMDJ16AH offers tighter clamping (26.0 V vs. 27.0 V), identical AEC-Q101 qualification and DO-214AB footprint, and superior thermal performance (RθJL = 16 °C/W), making it optimal for space-constrained, high-reliability automotive power rail designs.
Availability
5.0SMDJ16AH is available at Aetrix Electronics and suitable for automotive power input protection, industrial AC/DC power supply input, and telecom DC feeder line protection requiring stable component supply and full traceability.
Supply support for 5.0SMDJ16AH 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete power devices, TVS diodes, and rectifiers with global automotive and industrial certifications.
The 5.0SMDJ series is engineered specifically for high-energy transient suppression in harsh-environment applications, emphasizing AEC-Q101 reliability, low clamping voltage, and robust thermal design for under-hood and industrial power systems.
FAQ
What is the maximum clamping voltage of the 5.0SMDJ16AH at its rated peak pulse current?
The 5.0SMDJ16AH has a maximum clamping voltage (VC) of 26.0 V at its rated peak pulse current (IPP) of 193 A, measured under the 10/1000 µs waveform condition. This value ensures downstream components see no more than 26.0 V during full-rated surge events, supporting robust overvoltage protection in 12 V automotive and industrial systems. The 5.0SMDJ16AH achieves this with minimal voltage overshoot due to its sub-1 ps response time.
Is the 5.0SMDJ16AH suitable for automotive applications?
Yes, the 5.0SMDJ16AH is AEC-Q101 qualified and designed for automotive use, including engine control units, body electronics, and ADAS power domains. Its –55°C to +175°C operating junction temperature range, stacked-die construction, and photo glass passivated junction meet stringent automotive reliability requirements. The 5.0SMDJ16AH is explicitly validated for load dump and ISO 7637-2 pulse immunity in production vehicle systems.
What package type does the 5.0SMDJ16AH use, and what are its mounting characteristics?
The 5.0SMDJ16AH uses the DO-214AB (SMC) surface-mount package with matte tin-plated leads compliant with J-STD-002 solderability standards. Its polarity is marked by a cathode band, and it is optimized for automated placement. The 5.0SMDJ16AH requires a 16 mm × 16 mm copper pad for thermal derating per datasheet test conditions, delivering RθJL = 16 °C/W for efficient heat dissipation.
How does the 5.0SMDJ16AH compare to the 5.0SMDJ16A variant?
The "H" suffix in 5.0SMDJ16AH denotes the AEC-Q101 qualified version, whereas 5.0SMDJ16A is the commercial-grade variant. Both share identical electrical parameters (VWM = 16 V, VBR = 17.8–19.7 V, VC = 26.0 V), but only the 5.0SMDJ16AH undergoes automotive stress testing per AEC-Q101. The 5.0SMDJ16AH also carries stricter moisture sensitivity (Level 1) and whisker resistance (JESD 201 Class 2) certifications required for automotive production.
What is the leakage current specification for the 5.0SMDJ16AH at its working voltage?
The 5.0SMDJ16AH specifies a maximum blocking leakage current (IIB) of 50 µA at its working standoff voltage (VWM) of 16 V, measured at TA = 25°C. This low leakage ensures minimal power loss and signal interference in always-on circuits such as automotive sensor interfaces or standby power rails. The 5.0SMDJ16AH maintains this specification across its full operating temperature range, supporting reliable long-term operation.
5.0SMDJ16AH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AB, SMC
- Series:
- 5.0SMDJ
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 16V
- Voltage - Breakdown (Min):
- 17.8V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 193A
- Power - Peak Pulse:
- 5000W (5kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
5.0SMDJ16AH FAQ
1.How can I place an order for 5.0SMDJ16AH through Aetrix?
Please submit a Request for Quotation (RFQ) for 5.0SMDJ16AH 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 5.0SMDJ16AH reliable?
The price and inventory of 5.0SMDJ16AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5.0SMDJ16AH is usually 5 days.
3.What payment methods are accepted for 5.0SMDJ16AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5.0SMDJ16AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5.0SMDJ16AH?
5.0SMDJ16AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5.0SMDJ16AH 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 5.0SMDJ16AH?
For technical support, including 5.0SMDJ16AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5.0SMDJ16AH requirements.
6.How does Aetrix verify that 5.0SMDJ16AH is sourced from the original manufacturer or authorized distributors?
All 5.0SMDJ16AH 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 5.0SMDJ16AH meets industry standards.
7.What is the process for return or replacement of 5.0SMDJ16AH?
All 5.0SMDJ16AH units undergo pre-shipment inspection (PSI). If there is an issue with 5.0SMDJ16AH, 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 5.0SMDJ16AH part is unused and in its original packaging.
Return procedure for 5.0SMDJ16AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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