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Taiwan Semiconductor Corporation 5.0SMDJ51AHM6G
- Part No.:
- 5.0SMDJ51AHM6G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
5.0SMDJ51AHM6G.pdf
- Description:
- TVS DIODE 51VWM 82.4VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:2,020
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Product details
Overview
5.0SMDJ51AHM6G from Taiwan Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in DO-214AB (SMC) package, rated for 5000W peak pulse power at 10/1000μs, 51V working standoff voltage, and clamps to 82.4V at 60.7A peak current. It is AEC-Q101 qualified and used for I/O interface and AC/DC power supply surge protection.
For engineers reviewing the 5.0SMDJ51AHM6G datasheet, 5.0SMDJ51AHM6G pinout, 5.0SMDJ51AHM6G application, or 5.0SMDJ51AHM6G equivalent, key selection criteria include clamping voltage (82.4V), breakdown voltage range (56.7–62.7V), junction temperature limit (175°C), thermal resistance (RθJL = 16°C/W), and unidirectional configuration with cathode band polarity indication.
Technical Context
This TVS diode employs a stacked-die construction to achieve high peak pulse power handling while maintaining low clamping ratio. Its photo glass passivated junction ensures stable breakdown characteristics and long-term reliability under repetitive surge stress.
Designed for automotive-grade applications, it meets AEC-Q101 requirements and exhibits fast response time (<1.0 ps), low leakage (<2 µA at 51V), and robust thermal performance on standard PCB mounting (16 mm × 16 mm Cu pad).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 51 V - Maximum continuous reverse operating voltage before conduction begins |
| VBR @ IT=1 mA | 56.7–62.7 V - Breakdown voltage range defining turn-on threshold under standardized test |
| VC @ IPP=60.7 A | 82.4 V - Clamping voltage limiting downstream circuit stress during 10/1000 μs surge |
| PPPPM | 5000 W - Peak pulse power dissipation capability per 10/1000 μs waveform |
| RθJL | 16 °C/W - Junction-to-lead thermal resistance enabling effective heat transfer to PCB copper |
| TJ max | 175 °C - Maximum allowable junction temperature supporting operation in under-hood environments |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, unidirectional configuration with cathode band indicating terminal polarity. Weight: ~0.300 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry during forward conduction | Connected to lower-potential side of protected line; not used in normal reverse-biased TVS operation |
| Cathode | Current exit during reverse avalanche clamping | Connected to higher-potential side (e.g., VIN or signal line); cathode band marks this terminal on package |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive electronics use including engine control, body modules, and infotainment power rails |
| Photo glass passivated junction | Enhances long-term stability of breakdown voltage and leakage current under humidity and thermal cycling |
| Moisture sensitivity level 1 | Enables standard SMT assembly without dry-pack or baking requirements prior to reflow |
| Fast response time <1.0 ps | Clamps ESD and lightning-induced transients before sensitive ICs experience overstress |
Applications
| Automotive Power Input Protection | Industrial I/O Interface Protection |
|---|---|
Use Scenario: Protecting 12 V/24 V battery-fed ECUs against load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and ground to clamp surges above 51 V. Use Value: Limits transient voltage to ≤82.4 V at 60.7 A, preserving downstream regulators and microcontrollers. | Use Scenario: Shielding RS-485/RS-232 data lines from induced surges in factory automation systems. IC Role / Device Role / Timing Role: Bidirectional protection not applicable; this unidirectional device used on DC-biased signal lines with defined polarity. Use Value: Sub-1 ps response ensures clamping occurs before transceiver input stages are damaged by fast-rising transients. |
| AC/DC Power Supply Secondary-Side Clamp | LED Driver Input Surge Suppression |
Use Scenario: Suppressing switching noise and line transients on the DC output of offline SMPS units. IC Role / Device Role / Timing Role: Parallel-connected TVS across output capacitor to absorb residual energy from transformer leakage inductance. Use Value: 5000 W peak power rating handles high-energy spikes without degradation over repeated events. | Use Scenario: Safeguarding constant-current LED drivers against mains-coupled surges in outdoor lighting fixtures. IC Role / Device Role / Timing Role: Mounted at driver input to shunt surge current away from primary-side MOSFETs and controller ICs. Use Value: 175 °C max junction temperature supports reliable operation in thermally constrained enclosed housings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ51A | Lower peak power (600 W), same DO-214AA package, VC = 82.4 V at 7.3 A | Not suitable for 5000 W surge events; limited to low-energy ESD or low-current transients | Select only when system-level testing confirms worst-case surge energy remains below 600 W capability |
| 5.0SMDJ51A | Same electrical specs but lacks AEC-Q101 qualification and M6G tape-and-reel packaging | Acceptable for industrial/commercial use but not automotive production programs requiring AEC compliance | Choose 5.0SMDJ51AHM6G when automotive qualification and standardized reel packaging are mandatory |
Compared with SMBJ51A and 5.0SMDJ51A, the 5.0SMDJ51AHM6G uniquely delivers automotive-grade reliability, 5000 W surge capacity, and production-ready packaging-making it the sole option for AEC-Q101–compliant high-energy transient suppression in automotive power domains.
Availability
5.0SMDJ51AHM6G is available at Aetrix Electronics and suitable for automotive power input protection, industrial I/O interface protection, and AC/DC power supply secondary-side clamp applications requiring stable component supply and AEC-Q101 compliance.
Supply support for 5.0SMDJ51AHM6G 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, rectifiers, and MOSFETs with global distribution and automotive qualification capabilities.
The 5.0SMDJxxAH series was developed to meet stringent AEC-Q101 requirements for high-power transient suppression in automotive and industrial power systems, emphasizing robustness, repeatable clamping, and SMT manufacturability.
FAQ
What is the clamping voltage of the 5.0SMDJ51AHM6G under maximum rated surge current?
The 5.0SMDJ51AHM6G clamps to 82.4 V when subjected to its maximum peak impulse current of 60.7 A under the standard 10/1000 μs waveform. This value is measured and guaranteed per the manufacturer's electrical specifications table and defines the upper voltage limit imposed on protected circuits during surge events.
Is the 5.0SMDJ51AHM6G suitable for bidirectional transient suppression?
No, the 5.0SMDJ51AHM6G is a unidirectional TVS diode intended for DC-biased applications where polarity is fixed. It conducts only during reverse avalanche and does not suppress positive-going transients on grounded lines. For bidirectional protection, a dedicated bidirectional part such as 5.0SMDJ51CAHM6G would be required.
What does the "M6G" suffix indicate in 5.0SMDJ51AHM6G?
The "M6G" suffix denotes tape-and-reel packaging: 3,000 units per reel, green molding compound (per IEC 61249-2-21 halogen-free compliance), and adherence to J-STD-020 moisture sensitivity level 1. It confirms full AEC-Q101 qualification and production-ready SMT handling compatibility.
How does the thermal performance of 5.0SMDJ51AHM6G support high-reliability designs?
The 5.0SMDJ51AHM6G achieves RθJL = 16°C/W and RθJA = 61°C/W when mounted on a 16 mm × 16 mm copper pad, enabling efficient heat dissipation during repetitive surge events. Its 175°C maximum junction temperature allows sustained operation in under-hood automotive environments without derating at typical ambient temperatures.
Can the 5.0SMDJ51AHM6G replace older-generation 5.0SMDJ51A parts in existing designs?
Yes, the 5.0SMDJ51AHM6G is a direct functional and mechanical replacement for 5.0SMDJ51A, sharing identical electrical parameters, DO-214AB package dimensions, and pinout. The "H" denotes AEC-Q101 qualification and "M6G" specifies tape-and-reel packaging-no layout or schematic changes are needed for drop-in integration.
5.0SMDJ51AHM6G 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):
- 51V
- Voltage - Breakdown (Min):
- 56.7V
- Voltage - Clamping (Max) @ Ipp:
- 82.4V
- Current - Peak Pulse (10/1000µs):
- 60.7A
- Power - Peak Pulse:
- 5000W (5kW)
- 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-214AB (SMC)
5.0SMDJ51AHM6G FAQ
1.How can I place an order for 5.0SMDJ51AHM6G through Aetrix?
Please submit a Request for Quotation (RFQ) for 5.0SMDJ51AHM6G 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 5.0SMDJ51AHM6G reliable?
The price and inventory of 5.0SMDJ51AHM6G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5.0SMDJ51AHM6G is usually 5 days.
3.What payment methods are accepted for 5.0SMDJ51AHM6G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5.0SMDJ51AHM6G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5.0SMDJ51AHM6G?
5.0SMDJ51AHM6G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5.0SMDJ51AHM6G 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 5.0SMDJ51AHM6G?
For technical support, including 5.0SMDJ51AHM6G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5.0SMDJ51AHM6G requirements.
6.How does Aetrix verify that 5.0SMDJ51AHM6G is sourced from the original manufacturer or authorized distributors?
All 5.0SMDJ51AHM6G 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 5.0SMDJ51AHM6G meets industry standards.
7.What is the process for return or replacement of 5.0SMDJ51AHM6G?
All 5.0SMDJ51AHM6G units undergo pre-shipment inspection (PSI). If there is an issue with 5.0SMDJ51AHM6G, 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 5.0SMDJ51AHM6G part is unused and in its original packaging.
Return procedure for 5.0SMDJ51AHM6G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5.0SMDJ51AHM6G Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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onsemi
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Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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