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Taiwan Semiconductor Corporation TLD6S16AH
- Part No.:
- TLD6S16AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-218AB
- Datasheet:
-
TLD6S16AH.pdf
- Description:
- TVS DIODE 16VWM 26VC DO218AB
- Quantity:
- Payment:
- Shipping:
Inventory:2,894
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Product details
Overview
TLD6S16AH from Taiwan Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in DO-218AB package, rated for 16.0 V working stand-off voltage, 17.8–19.7 V breakdown voltage at 5.0 mA, and 4600 W peak pulse power (10/1000 µs), designed for automotive load dump surge protection in 12 V/24 V systems.
For engineers reviewing the TLD6S16AH datasheet, TLD6S16AH pinout, TLD6S16AH application, or TLD6S16AH equivalent, key selection criteria include clamping voltage (26.0 V at 177 A), junction temperature capability (−55 °C to +175 °C), compliance with ISO 7637-2 and ISO 16750-2, AEC-Q101 qualification, and DO-218AB mechanical compatibility.
Technical Context
The TLD6S16AH employs junction passivation optimized design technology to sustain 175 °C junction operation under high-energy transients. Its unidirectional configuration provides reverse-biased clamping during positive-going surges while blocking forward current up to 100 A (VF ≤ 1.9 V).
It meets IEC 61000-4-2 Level 4 (±8 kV contact / ±15 kV air) and ISO 10605 L4 (±30 kV contact / ±30 kV air) ESD immunity, and delivers 3600 W peak pulse power under 10/10,000 µs waveform - critical for extended-duration load dump events per ISO 16750-2.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 16.0 V - maximum continuous reverse operating voltage before clamping initiates |
| VBR (min/max) | 17.8–19.7 V at 5.0 mA - ensures reliable turn-on margin above system nominal voltage |
| VC @ IPPM | 26.0 V at 177 A (10/1000 µs) - limits downstream voltage stress during worst-case surge |
| PPPM (10/1000 µs) | 4600 W - supports high-energy load dump suppression in automotive alternator circuits |
| TJ max | +175 °C - enables placement near hot engine control units without derating |
| RθJC | 0.85 °C/W - allows effective thermal coupling to heatsink or PCB copper for sustained power handling |
| IR @ VWM | ≤10 µA at 25 °C - minimizes standby leakage in always-on vehicle modules |
Pinout & Package
Package: DO-218AB - surface-mount, unidirectional, single-die TVS diode with matte tin-plated leads, UL 94V-0 molding compound, and JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (marked end) | Surge current sink | Connected to protected line; conducts during overvoltage to clamp to VC |
| Anode | Reference / ground return | Connected to system ground or low-impedance return path for transient current loop closure |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive under-hood use including temperature cycling, humidity bias, and mechanical shock |
| ISO 7637-2 & ISO 16750-2 compliant | Withstands 12 V system load dump pulses (Pulse 5a/b) up to 100 V peak, 400 ms duration |
| Junction temperature range −55 °C to +175 °C | Enables direct mounting on ECUs exposed to engine bay thermal environments |
| Moisture sensitivity level 1 (J-STD-020) | Zero bake requirement prior to reflow; compatible with standard SMT assembly processes |
| Halogen-free & RoHS compliant | Meets automotive environmental regulations and end-of-life material restrictions |
Applications
| Engine Control Unit Protection | Body Control Module Protection |
|---|---|
Use Scenario: Protects microcontroller power rails and CAN transceiver interfaces from alternator load dump surges during battery disconnect events. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between 12 V supply rail and chassis ground. Use Value: Clamps transient to 26.0 V within 1 ns, limiting stress on 33 V-rated DC-DC converters and 5 V LDOs downstream. | Use Scenario: Shields LIN bus transceivers and sensor inputs from coupled transients during door actuator switching. IC Role / Device Role / Timing Role: Standoff-rated TVS on 12 V input rail upstream of local regulators. Use Value: Blocks ≤10 µA leakage at 16.0 V, preserving sleep-mode current budget while surviving 3600 W (10/10,000 µs) surges. |
| ADAS Camera Power Input | Electric Power Steering ECU |
Use Scenario: Safeguards image sensor and ISP power domains against ignition-induced spikes and jump-start transients. IC Role / Device Role / Timing Role: Primary surge clamp on main 12 V input, adjacent to input capacitor. Use Value: Delivers 4600 W peak power handling with 0.85 °C/W thermal resistance, enabling compact layout without external heatsink. | Use Scenario: Guards motor driver gate supplies and MCU I/O against back-EMF and load dump in 24 V EPS systems. IC Role / Device Role / Timing Role: High-energy TVS on 24 V auxiliary rail feeding H-bridge pre-drivers. Use Value: Maintains ≤1.9 V forward voltage at 100 A, minimizing conduction loss during fault-current recirculation paths. |
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 PPPM (400 W), SMA package, 26.0 V clamping at 12.9 A | Not suitable for ISO 7637-2 Pulse 5; limited to lower-energy ESD/surge events | Select only for non-automotive or low-risk 12 V subsystems where 4600 W rating is unnecessary |
| TPSMD16A | Same DO-218AB package, 4000 W PPPM (10/1000 µs), 27.0 V clamping at 148 A | Meets AEC-Q101 but lacks ISO 16750-2 validation; lower energy margin for extended load dump | Acceptable for cost-sensitive automotive modules where full ISO 16750-2 compliance is not mandated |
Compared with SMAJ16A and TPSMD16A, the TLD6S16AH provides 15% higher clamping energy margin, validated ISO 16750-2 performance, and guaranteed 175 °C operation - making it the preferred choice for safety-critical engine bay electronics requiring robust load dump immunity.
Availability
TLD6S16AH is available at Aetrix Electronics and suitable for automotive engine control units, body control modules, ADAS camera power inputs, and electric power steering ECUs requiring stable component supply across long production lifecycles.
Supply support for TLD6S16AH 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 Company (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in high-reliability power devices and protection components.
The TLD6SxxAH series was developed specifically for automotive-grade transient suppression, targeting ISO 7637-2 and ISO 16750-2 compliance in 12 V/24 V vehicle electrical systems with extended temperature and lifetime requirements.
FAQ
What is the clamping voltage of the TLD6S16AH under peak surge conditions?
The TLD6S16AH has a maximum clamping voltage (VC) of 26.0 V when subjected to a 10/1000 µs peak pulse current of 177 A. This value is measured at room temperature and represents the upper limit of voltage seen by downstream circuitry during worst-case transient events, ensuring compatibility with 33 V-rated power management ICs in automotive applications.
Is the TLD6S16AH qualified for automotive under-hood use?
Yes, the TLD6S16AH is AEC-Q101 qualified and rated for junction temperatures from −55 °C to +175 °C. It is specifically designed for under-hood automotive applications, including engine control units and power steering ECUs, with validation against ISO 7637-2 and ISO 16750-2 surge standards and JESD 201 Class 2 whisker resistance.
What package type does the TLD6S16AH use, and what are its assembly advantages?
The TLD6S16AH uses the DO-218AB surface-mount package with matte tin-plated leads. It has moisture sensitivity level 1 per J-STD-020, eliminating pre-bake requirements, and supports standard reflow profiles. Its UL 94V-0 molding compound and robust thermal resistance (RθJC = 0.85 °C/W) simplify thermal design in space-constrained automotive modules.
How does the TLD6S16AH compare to generic SMAJ-series TVS diodes in automotive applications?
The TLD6S16AH delivers 4600 W peak pulse power (10/1000 µs), versus 400 W for SMAJ16A - an 11.5× higher energy rating. It also includes full ISO 7637-2 and ISO 16750-2 validation, AEC-Q101 qualification, and 175 °C operation, whereas SMAJ16A is intended for commercial-grade ESD protection only and lacks automotive surge certification.
What is the leakage current specification for the TLD6S16AH at its working stand-off voltage?
The TLD6S16AH exhibits a maximum reverse leakage current (IR) of 10 µA at its 16.0 V working stand-off voltage and 25 °C ambient temperature. At elevated junction temperature (175 °C), IR remains ≤150 µA - a critical parameter for maintaining low quiescent current in always-on automotive modules such as telematics and alarm systems.
TLD6S16AH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-218AB
- Series:
- -
- 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):
- 177A
- Power - Peak Pulse:
- 3600W (3.6kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-218AB
TLD6S16AH FAQ
1.How can I place an order for TLD6S16AH through Aetrix?
Please submit a Request for Quotation (RFQ) for TLD6S16AH 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 TLD6S16AH reliable?
The price and inventory of TLD6S16AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLD6S16AH is usually 5 days.
3.What payment methods are accepted for TLD6S16AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLD6S16AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLD6S16AH?
TLD6S16AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLD6S16AH 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 TLD6S16AH?
For technical support, including TLD6S16AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLD6S16AH requirements.
6.How does Aetrix verify that TLD6S16AH is sourced from the original manufacturer or authorized distributors?
All TLD6S16AH 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 TLD6S16AH meets industry standards.
7.What is the process for return or replacement of TLD6S16AH?
All TLD6S16AH units undergo pre-shipment inspection (PSI). If there is an issue with TLD6S16AH, 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 TLD6S16AH part is unused and in its original packaging.
Return procedure for TLD6S16AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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