Taiwan Semiconductor Corporation TLD6S13AH
- Part No.:
- TLD6S13AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-218AB
- Datasheet:
-
TLD6S13AH.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO218AB
- Quantity:
- Payment:

- Shipping:

Inventory:7,609
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Product details
Overview
TLD6S13AH from Taiwan Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-218AB package, rated for 13.0 V working stand-off voltage, 14.4–15.9 V breakdown voltage at 5.0 mA test current, and 4600 W peak pulse power (10/1000 μs), designed for automotive load dump surge protection in 12 V battery systems.
For engineers reviewing the TLD6S13AH datasheet, TLD6S13AH pinout, TLD6S13AH application, or TLD6S13AH equivalent, key selection criteria include clamping voltage (21.5 V at 214 A), junction temperature capability (−55 to +175 °C), unidirectional polarity, and compliance with ISO 7637-2, ISO 16750-2, IEC 61000-4-2 Level 4, and AEC-Q101 qualification.
Technical Context
The TLD6S13AH implements a single-die, unidirectional TVS structure optimized for high-energy transients in automotive power networks. Its junction passivation design enables stable operation up to TJ = 175 °C and supports moisture sensitivity level 1 per J-STD-020.
It meets ISO 7637-2 Pulse 5a/b (load dump) and ISO 16750-2 surge requirements under defined test conditions, with clamping performance validated at IPPM = 214 A (10/1000 μs) delivering VC = 21.5 V - critical for protecting downstream 16 V-rated ICs in engine control units and body electronics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13.0 V - maximum continuous reverse operating voltage before significant leakage; sets system-level overvoltage threshold for 12 V nominal battery rails. |
| VBR (min/max) | 14.4–15.9 V at IT = 5.0 mA - ensures reliable turn-on during surges while avoiding false triggering during normal battery transients. |
| VC @ IPPM | 21.5 V at 214 A (10/1000 μs) - clamping voltage limits stress on protected ICs; compatible with 24 V tolerant interface inputs. |
| PPPM (10/1000 μs) | 4600 W - peak surge power handling capacity for short-duration load dump events per ISO 7637-2. |
| TJ max | +175 °C - enables placement near high-temperature zones (e.g., engine bay ECUs) without derating concerns. |
| Polarity | Unidirectional - protects against negative-going transients only; requires correct orientation in series with positive supply rail. |
Pinout & Package
Package: DO-218AB - surface-mount, molded case meeting UL 94V-0, matte tin-plated leads, polarity-marked cathode band, weight ≈ 2.682 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input reference node | Connected to ground or low-side return path; defines conduction direction for negative transients. |
| Cathode | Protected supply rail connection | Connected to 12 V battery line; clamps voltage by shunting surge current to ground when V > VBR. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock per AEC standard. |
| Junction passivation technology | Reduces leakage drift and improves long-term stability under thermal stress and high-humidity environments. |
| ISO 7637-2 / ISO 16750-2 compliance | Guarantees survivability against standardized automotive load dump and supply interruption surges without failure. |
| UL 94V-0 molding compound | Ensures flame retardancy in enclosed engine compartment assemblies where fire safety is mandated. |
Applications
| Engine Control Unit (ECU) Power Input Protection | Body Control Module (BCM) Battery Interface |
|---|---|
Use Scenario: Protects ECU microcontroller and CAN transceivers from load dump surges during alternator regulation failure. IC Role / Device Role / Timing Role: Unidirectional TVS placed in series with 12 V supply rail upstream of DC/DC converter input. Use Value: Clamps 21.5 V at 214 A, limiting downstream voltage stress below 24 V rating of protected ICs while surviving 4600 W pulses. | Use Scenario: Shields BCM power management ICs from battery line transients during jump-start or relay switching. IC Role / Device Role / Timing Role: Primary surge suppression device on main battery feed, mounted directly at connector entry point. Use Value: −55 to +175 °C operating range allows direct PCB mounting in under-hood BCM enclosures without heatsinking. |
| Advanced Driver Assistance Systems (ADAS) Camera Power Rail | Electric Power Steering (EPS) Motor Driver Supply |
Use Scenario: Safeguards image sensor and ISP power supplies against ignition-induced spikes in front-facing ADAS cameras. IC Role / Device Role / Timing Role: Secondary protection stage after fuse and primary LC filter, placed adjacent to camera module PMIC. Use Value: 0.076 %/°C VBR tempco ensures predictable clamping across −40 to +105 °C ambient, minimizing calibration drift. | Use Scenario: Absorbs regenerative energy surges during EPS motor deceleration and fault shutdown events. IC Role / Device Role / Timing Role: High-power TVS integrated into H-bridge supply rail, rated for repetitive 3600 W (10/10000 μs) surges. Use Value: RθJC = 0.85 °C/W enables effective thermal coupling to metal-core PCB or heatsink, sustaining repeated surge duty cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13A | DO-214AC package; lower PPPM = 400 W; VBR = 14.4–15.9 V; no AEC-Q101 qualification. | Not suitable for automotive load dump; limited to industrial or consumer-grade 12 V systems with lower surge severity. | Select SMAJ13A only if AEC-Q101 and ISO 7637-2 compliance are not required and surge energy is ≤400 W. |
| SMCJ13A | DO-214AB package; PPPM = 1500 W (10/1000 μs); same VBR range; AEC-Q101 qualified but lacks ISO 7637-2 validation. | Acceptable for moderate automotive transients but insufficient for full load dump immunity per OEM specifications. | Choose SMCJ13A only when cost constraints outweigh need for certified 4600 W load dump protection. |
Compared with SMAJ13A and SMCJ13A, the TLD6S13AH delivers 3× higher peak power handling and certified compliance with automotive-specific surge standards - making it the only option among the three qualified for front-end protection in AEC-Q101-compliant engine control and ADAS modules.
Availability
TLD6S13AH is available at Aetrix Electronics and suitable for automotive engine control units, body control modules, and advanced driver assistance systems requiring stable component supply with full AEC-Q101 traceability and ISO 7637-2 validation.
Supply support for TLD6S13AH 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 semiconductor manufacturer specializing in discrete power devices, TVS diodes, and rectifiers for automotive and industrial markets.
The TLD6SxxAH product line was developed specifically to meet stringent automotive load dump and surge immunity requirements, targeting high-reliability 12 V and 24 V battery-powered systems with extended temperature operation.
FAQ
What is the clamping voltage of the TLD6S13AH and how is it measured?
The TLD6S13AH has a maximum clamping voltage (VC) of 21.5 V at a peak pulse current (IPPM) of 214 A with a 10/1000 μs waveform. This value is measured per IEC 61000-4-5 and ISO 7637-2 test methods using calibrated surge generators. The clamping voltage defines the upper voltage limit imposed on protected circuitry during surge events, and the TLD6S13AH maintains this performance across its full operating temperature range. This specification is confirmed in the official TSC datasheet revision D2103.
Is the TLD6S13AH AEC-Q101 qualified and what tests does that include?
Yes, the TLD6S13AH is AEC-Q101 qualified. Certification includes stress testing for temperature cycling, high-temperature operating life, unbiased highly accelerated stress test (uHAST), mechanical shock, and solder heat resistance. These tests validate reliability for automotive under-hood applications. The qualification applies specifically to the TLD6S13AH in DO-218AB packaging and is documented in Taiwan Semiconductor's AEC-Q101 report referenced in datasheet D2103.
What is the polarity configuration of the TLD6S13AH and how should it be oriented on the PCB?
The TLD6S13AH is a unidirectional TVS diode, meaning it conducts only during reverse-biased overvoltage events. It must be installed with the cathode terminal connected to the protected supply rail (e.g., +12 V battery line) and the anode tied to ground. The DO-218AB package features a visible cathode band marking. Incorrect orientation will prevent surge clamping and may cause catastrophic failure during transients.
Does the TLD6S13AH meet ISO 7637-2 Pulse 5a and 5b requirements?
Yes, the TLD6S13AH meets ISO 7637-2 Pulse 5a (slow decay) and Pulse 5b (fast decay) load dump requirements when used with appropriate layout practices - including short traces, low-inductance grounding, and proximity to the protected circuit input. Test validation is performed per the standard's specified waveforms and energy levels, and the device's 4600 W (10/1000 μs) rating exceeds the minimum energy demands of both pulses. Full test reports are available upon request from Taiwan Semiconductor.
What is the thermal resistance and how does it affect PCB layout for the TLD6S13AH?
The TLD6S13AH has a junction-to-case thermal resistance (RθJC) of 0.85 °C/W under ideal heatsink conditions. In practice, this means effective thermal management requires direct copper pour connection from the cathode/anode pads to internal or external thermal planes. For high-duty-cycle surge applications, designers should allocate ≥200 mm² of 2 oz copper per pad and avoid thermal relief on mounting pads. The DO-218AB package's low RθJC enables operation without discrete heatsinks in most automotive applications.
TLD6S13AH 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):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 214A
- 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
TLD6S13AH FAQ
1.How can I place an order for TLD6S13AH through Aetrix?
Please submit a Request for Quotation (RFQ) for TLD6S13AH 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 TLD6S13AH reliable?
The price and inventory of TLD6S13AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLD6S13AH is usually 5 days.
3.What payment methods are accepted for TLD6S13AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLD6S13AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLD6S13AH?
TLD6S13AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLD6S13AH 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 TLD6S13AH?
For technical support, including TLD6S13AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLD6S13AH requirements.
6.How does Aetrix verify that TLD6S13AH is sourced from the original manufacturer or authorized distributors?
All TLD6S13AH 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 TLD6S13AH meets industry standards.
7.What is the process for return or replacement of TLD6S13AH?
All TLD6S13AH units undergo pre-shipment inspection (PSI). If there is an issue with TLD6S13AH, 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 TLD6S13AH part is unused and in its original packaging.
Return procedure for TLD6S13AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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