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Taiwan Semiconductor Corporation SMA6J13AHR3G
- Part No.:
- SMA6J13AHR3G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMA6J13AHR3G.pdf
- Description:
- TVS DIODE 13VWM 20.4VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:7,754
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Product details
Overview
SMA6J13AHR3G from Taiwan Semiconductor is a 600W surface-mount transient voltage suppressor (TVS) diode with a 13V working standoff voltage, 14.4–15.9V breakdown range at 1mA test current, and 20.4V maximum clamping voltage at 29.4A peak pulse current. It features DO-214AC (SMA) packaging, glass passivated junction, and is designed for automotive-grade surge protection in DC/DC converters and power adapters.
For engineers reviewing the SMA6J13AHR3G datasheet, SMA6J13AHR3G pinout, SMA6J13AHR3G application, or SMA6J13AHR3G equivalent, key selection criteria include clamping performance under ISO 7637-2 Pulse 1/2a/2b/3a/3b, moisture sensitivity level (MSL 1), and compliance with RoHS and halogen-free standards per IEC 61249-2-21.
Technical Context
This unidirectional TVS diode operates as a reverse-biased avalanche clamp, activated only when reverse voltage exceeds VBR. Its fast response time (<1.0 ps) ensures suppression of ESD and switching transients before sensitive downstream circuitry is damaged.
The device sustains 600W peak pulse power (10/1000μs waveform), handles up to 50A non-repetitive forward surge (8.3ms half-sine), and maintains stable operation across –55°C to +175°C junction temperature range - enabling use in under-hood automotive and industrial power systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR @ IT=1mA | 14.4–15.9 V - Verified breakdown threshold ensuring reliable turn-on during overvoltage events |
| VC @ IPPM=29.4A | 20.4 V - Clamped voltage seen by protected ICs during full 600W transient, limiting stress on downstream components |
| PPPM | 600 W - Peak pulse power handling per 10/1000μs waveform, meeting ISO 7637-2 automotive surge requirements |
| TJ Range | –55°C to +175°C - Enables deployment in engine control units, industrial SMPS, and high-temp PCB environments |
| Package | DO-214AC (SMA) - Standardized surface-mount outline compatible with automated pick-and-place and reflow soldering |
Pinout & Package
DO-214AC (SMA) package with cathode-indicated band; two-terminal unidirectional configuration. Matte tin-plated leads meet J-STD-002 solderability and JESD 201 Class 2 whisker resistance requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path | Connected to system ground or low-side reference; conducts during forward surge (e.g., reverse battery connection) |
| Cathode | Reverse-biased clamping node | Connected to protected line (e.g., 12V rail); initiates avalanche conduction when VREV > VBR |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures long-term reliability and stable VBR under thermal cycling and humidity exposure |
| MSL Level 1 rating | Eliminates bake-out requirement prior to SMT assembly, reducing manufacturing cost and process complexity |
| ISO 7637-2 compliance | Validated for automotive electrical system transients including load dump, inductive switch-off, and supply interruption pulses |
| Halogen-free construction | Meets IEC 61249-2-21, supporting environmentally compliant end-product certifications (e.g., WEEE, RoHS) |
Applications
| Automotive Power Distribution | Industrial DC/DC Converters |
|---|---|
Use Scenario: Protection of 12V power rails in body control modules against load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between input rail and ground, triggered within <1.0 ps to limit voltage excursion to ≤20.4V. Use Value: Prevents latch-up or permanent damage to microcontrollers and CAN transceivers during ISO 7637-2 Pulse 5a events. | Use Scenario: Input surge suppression for isolated 48V-to-12V DC/DC converters in factory automation equipment. IC Role / Device Role / Timing Role: Primary-line TVS element absorbing 600W transients without degradation across –40°C to +85°C ambient. Use Value: Maintains system uptime by eliminating field failures caused by repetitive 10/1000μs surges from relay switching or motor drives. |
| LED Driver Power Supplies | USB-C PD Adapters |
Use Scenario: Overvoltage protection on secondary-side 24V output of constant-current LED drivers used in street lighting. IC Role / Device Role / Timing Role: Reverse-biased clamp parallel to output capacitor, conducting only during line transients exceeding 13V. Use Value: Preserves LED string integrity and driver MOSFET gate oxide by capping output voltage to 20.4V during lightning-induced surges. | Use Scenario: Input-stage transient suppression in compact USB-C power delivery adapters rated for 65W output. IC Role / Device Role / Timing Role: First-line defense against AC line transients coupled into primary-side rectified bus. Use Value: Enables use of smaller bulk capacitors and lower-voltage-rated primary-side FETs due to guaranteed 20.4V clamping ceiling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA6J13AHE3/73 (Vishay) | Identical VWM (13V), VBR (14.4–15.9V), and VC (20.4V); same DO-214AC package and 600W rating | Qualified to AEC-Q101; identical ISO 7637-2 compliance; MSL 1 and RoHS/halogen-free status confirmed | Drop-in alternative where Vishay sourcing preference or dual-sourcing strategy applies |
| P6SMB13A (ON Semiconductor) | VWM = 13V, VBR = 14.4–15.9V, VC = 20.4V, same 600W rating, but P6SMB series uses DO-214AA (SMB) package - 1.6mm wider body than DO-214AC | Same automotive and industrial surge protection function; requires PCB pad layout revision due to larger footprint | Select when SMB footprint is already standardized in design and higher creepage distance is beneficial |
Compared with SMA6J13AHR3G, SMA6J13AHE3/73 offers identical electrical and mechanical specs with AEC-Q101 qualification, while P6SMB13A provides functional equivalence at the cost of board space increase and layout modification.
Availability
SMA6J13AHR3G is available at Aetrix Electronics and suitable for automotive power distribution, industrial DC/DC converters, LED driver supplies, and USB-C PD adapters requiring stable component supply and full ISO 7637-2 compliance.
Supply support for SMA6J13AHR3G 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 analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in TVS diodes, rectifiers, MOSFETs, and power management devices.
The SMA6JxxA series was developed specifically for robust, high-reliability transient suppression in automotive and industrial power systems - emphasizing low clamping voltage, high surge tolerance, and extended temperature operation.
FAQ
What is the maximum clamping voltage of the SMA6J13AHR3G under peak pulse conditions?
The SMA6J13AHR3G has a maximum clamping voltage (VC) of 20.4 V when subjected to its rated peak pulse current of 29.4 A using the 10/1000 μs waveform. This value is measured per standard test conditions (TA = 25°C) and guarantees that protected circuitry will not experience reverse voltages beyond this threshold during transient events, making SMA6J13AHR3G suitable for safeguarding 12V automotive electronics and industrial DC rails.
Does the SMA6J13AHR3G meet automotive surge immunity standards?
Yes, the SMA6J13AHR3G meets ISO 7637-2 requirements for Pulses 1, 2a, 2b, 3a, and 3b, validating its capability to suppress real-world automotive transients such as load dump, inductive switching spikes, and supply interruptions. While it is not AEC-Q101 qualified out-of-the-box, its electrical and thermal specifications align with automotive-grade performance expectations, and SMA6J13AHR3G is widely deployed in non-safety-critical vehicle subsystems like body control and lighting modules.
What is the junction temperature range supported by the SMA6J13AHR3G?
The SMA6J13AHR3G supports an operating junction temperature range of –55°C to +175°C, verified per absolute maximum ratings. This wide thermal envelope allows reliable operation in under-hood automotive environments, industrial power supplies exposed to ambient temperatures up to +105°C, and high-power LED drivers where localized heating occurs. The 175°C TJMAX rating directly enables use without derating in thermally constrained layouts where SMA6J13AHR3G is mounted near heat-generating components.
Is the SMA6J13AHR3G compatible with lead-free reflow soldering processes?
Yes, the SMA6J13AHR3G features matte tin-plated leads compliant with J-STD-002 for solderability and is rated MSL Level 1 per J-STD-020 - meaning it can be stored indefinitely at ≤30°C/85% RH and placed directly into lead-free reflow profiles (e.g., JEDEC J-STD-020, peak 260°C) without preconditioning or baking. This eliminates moisture-related popcorning risk and simplifies manufacturing integration for SMA6J13AHR3G in high-volume SMT lines.
How does the SMA6J13AHR3G differ from the SMA6J12A and SMA6J15A variants?
The SMA6J13AHR3G is electrically distinct from SMA6J12A (VWM = 12 V, VC = 18.8 V) and SMA6J15A (VWM = 15 V, VC = 23.6 V): its 13 V working standoff voltage targets 12V nominal systems with tighter margin above regulated rail, while its 20.4 V clamping voltage strikes a balance between protection level and system headroom. All three share identical DO-214AC packaging, 600W rating, and ISO 7637-2 compliance - making SMA6J13AHR3G the optimal choice for 12V automotive and industrial applications requiring minimal clamping overshoot without sacrificing surge margin.
SMA6J13AHR3G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AC, SMA
- Series:
- SMA6J
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 20.4V
- Current - Peak Pulse (10/1000µs):
- 29.4A
- Power - Peak Pulse:
- 600W
- 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-214AC (SMA)
SMA6J13AHR3G FAQ
1.How can I place an order for SMA6J13AHR3G through Aetrix?
Please submit a Request for Quotation (RFQ) for SMA6J13AHR3G 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 SMA6J13AHR3G reliable?
The price and inventory of SMA6J13AHR3G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMA6J13AHR3G is usually 5 days.
3.What payment methods are accepted for SMA6J13AHR3G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMA6J13AHR3G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMA6J13AHR3G?
SMA6J13AHR3G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMA6J13AHR3G 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 SMA6J13AHR3G?
For technical support, including SMA6J13AHR3G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMA6J13AHR3G requirements.
6.How does Aetrix verify that SMA6J13AHR3G is sourced from the original manufacturer or authorized distributors?
All SMA6J13AHR3G 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 SMA6J13AHR3G meets industry standards.
7.What is the process for return or replacement of SMA6J13AHR3G?
All SMA6J13AHR3G units undergo pre-shipment inspection (PSI). If there is an issue with SMA6J13AHR3G, 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 SMA6J13AHR3G part is unused and in its original packaging.
Return procedure for SMA6J13AHR3G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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