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Taiwan Semiconductor Corporation 5.0SMDJ43AHM6G
- Part No.:
- 5.0SMDJ43AHM6G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
5.0SMDJ43AHM6G.pdf
- Description:
- TVS DIODE 43VWM 69.4VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:2,469
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Product details
Overview
5.0SMDJ43AHM6G from Taiwan Semiconductor is a unidirectional 5000W surface-mount transient voltage suppressor (TVS) diode in DO-214AB (SMC) package, with 43V working standoff voltage, 47.8–52.8V breakdown voltage at 1mA, and 69.4V clamping voltage at 72.1A peak pulse current. It delivers AEC-Q101 qualification, <1.0ps response time, and 175°C max junction temperature for automotive-grade surge protection.
For engineers reviewing the 5.0SMDJ43AHM6G datasheet, 5.0SMDJ43AHM6G pinout, 5.0SMDJ43AHM6G application, or 5.0SMDJ43AHM6G equivalent, key selection criteria include clamping performance under 10/1000μs transients, thermal resistance (RθJL = 16°C/W), moisture sensitivity level (MSL 1), unidirectional polarity marking, and compatibility with automated SMT placement on 16mm × 16mm Cu pads.
Technical Context
This TVS diode uses a stacked-die construction to achieve high peak pulse power (5000W) in a compact DO-214AB package while maintaining low clamping ratio (VC/VBR ≈ 1.36). Its glass-passivated junction ensures stable leakage (<2µA @ 43V) and robust ESD/EMI immunity across -55°C to +175°C operation.
The device operates exclusively in unidirectional mode, with cathode-band polarity indication, forward voltage of 5V @ 100A, and thermal performance validated on standard JESD51-2 compliant 16mm × 16mm copper test board - enabling accurate system-level thermal modeling for automotive power rail protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 43 V - Maximum continuous reverse operating voltage before conduction begins; defines safe DC/AC blocking range. |
| VBR @ IT=1mA | 47.8–52.8 V - Breakdown voltage tolerance band; determines minimum trigger threshold under standardized test conditions. |
| VC @ IPP=72.1A | 69.4 V - Clamped voltage during 10/1000μs surge; directly limits downstream component stress. |
| PPPPM | 5000 W - Peak pulse power handling capability; enables protection against ISO 7637-2 Pulse 5a/b and similar high-energy transients. |
| RθJL | 16 °C/W - Junction-to-lead thermal resistance; supports reliable power dissipation when mounted on PCB copper land patterns. |
| TJ max | +175 °C - Maximum allowable junction temperature; confirms suitability for under-hood automotive environments. |
Pinout & Package
Package: DO-214AB (SMC) - Surface-mount plastic case with matte tin-plated leads, UL 94V-0 rated molding compound, and cathode band polarity marking. Weight: ~0.300g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias | Connected to protected circuit ground or low-side return path; must be routed with low-inductance trace. |
| Cathode | Current exit terminal in forward bias; marked by band | Connected to protected line (e.g., 43V supply rail); polarity must match schematic symbol to avoid failure. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress-test requirements including HTOL, TC, HAST, and UHAST - enabling use in ADAS and powertrain modules. |
| Clamping voltage ≤69.4V @ 72.1A | Provides predictable overvoltage limiting margin below 70V IC absolute maximum ratings, reducing need for derating in 48V systems. |
| Response time <1.0ps | Ensures suppression of fast-rising ESD and lightning-induced transients before sensitive interface components experience damage. |
| MSL Level 1 (per J-STD-020) | Allows unlimited floor life and standard reflow without baking - simplifies manufacturing and eliminates moisture-related popcorning risk. |
Applications
| Automotive Power Rail Protection | Industrial I/O Interface Protection |
|---|---|
Use Scenario: Protecting 48V battery-fed ECUs against load dump and alternator switching transients per ISO 7637-2. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp surges above 43V. Use Value: 5000W peak power rating and 69.4V clamping ensure compliance with Pulse 5a (100V/10Ω/40ms) without overstressing downstream regulators. | Use Scenario: Shielding RS-485/RS-232 transceivers from induced surges on long cable runs in factory automation. IC Role / Device Role / Timing Role: Line-side TVS connected between data line and local ground to absorb common-mode transients. Use Value: Sub-1ps response and low leakage (<2µA) preserve signal integrity while preventing latch-up in ±15V-tolerant drivers. |
| AC/DC Power Supply Input Stage | Onboard Charger (OBC) DC Link Protection |
Use Scenario: Safeguarding bridge rectifier outputs and bulk capacitor inputs against AC line surges (IEC 61000-4-5). IC Role / Device Role / Timing Role: Primary-side unidirectional TVS across DC bus to limit transient overvoltage during lightning strikes. Use Value: 175°C junction rating allows direct mounting near heat-generating transformers or MOSFETs without thermal derating penalties. | Use Scenario: Protecting bidirectional SiC MOSFET gates and DC-link capacitors in EV onboard chargers exposed to regenerative braking spikes. IC Role / Device Role / Timing Role: Clamp diode installed across DC-link rails to suppress voltage overshoot during rapid current reversal. Use Value: Stacked-die construction sustains repeated 5000W pulses without parameter drift, supporting >100,000-cycle OBC lifetime requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ43A | Lower peak power (600W), same DO-214AA package, higher RθJA (85°C/W) | Not suitable for ISO 7637-2 Pulse 5; limited to lower-energy IEC 61000-4-2/4-4 events | Select only where surge energy is constrained and thermal budget permits higher ambient rise. |
| 5.0SMDJ43A | Same electrical specs but non-AEC-Q101 qualified; identical DO-214AB package and marking code 5PFT | Lacks automotive qualification testing; acceptable for industrial/commercial designs without AEC compliance mandates | Choose when cost sensitivity outweighs automotive reliability validation requirements. |
Compared with SMBJ43A and 5.0SMDJ43A, the 5.0SMDJ43AHM6G uniquely combines AEC-Q101 qualification, 5000W surge capacity, and MSL Level 1 handling - making it the only option among the three validated for under-hood automotive deployment with zero derating at 125°C ambient.
Availability
5.0SMDJ43AHM6G is available at Aetrix Electronics and suitable for automotive power rail protection, industrial I/O interface protection, and AC/DC power supply input stage applications requiring stable component supply and full AEC-Q101 compliance.
Supply support for 5.0SMDJ43AHM6G 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 high-reliability protection devices and power management components.
The 5.0SMDJxxAH series was developed specifically for automotive-grade transient suppression in 12V–48V systems, emphasizing robustness under extreme thermal cycling, high-energy surge immunity, and seamless integration into automated SMT lines.
FAQ
What is the clamping voltage of the 5.0SMDJ43AHM6G at its rated peak pulse current?
The 5.0SMDJ43AHM6G has a maximum clamping voltage (VC) of 69.4 V at 72.1 A peak pulse current (IPP) under the 10/1000 μs waveform. This value is measured per JEDEC standards and reflects worst-case device behavior across temperature and process variation - critical for verifying that downstream ICs remain within their absolute maximum voltage ratings during surge events.
Is the 5.0SMDJ43AHM6G suitable for bidirectional transient protection?
No, the 5.0SMDJ43AHM6G is a unidirectional TVS diode and is not rated for bidirectional operation. Its electrical specifications - including breakdown voltage, clamping curve, and leakage current - apply only in reverse-bias configuration. For bidirectional protection, a dedicated symmetric device such as 5.0SMDJ43CA must be selected; using 5.0SMDJ43AHM6G in AC-coupled or differential-line applications risks premature conduction or failure.
Does the 5.0SMDJ43AHM6G require special PCB layout considerations?
Yes - to maintain its 5000W surge rating, the 5.0SMDJ43AHM6G must be mounted on a PCB with ≥16 mm × 16 mm copper pad area per lead, per JESD51-2 test conditions. Short, wide traces to ground and minimized loop inductance are essential; thermal vias under the pads improve heat dissipation. Layout deviations reduce effective power handling and may cause thermal runaway during repetitive transients.
What does the 'M6G' suffix indicate in 5.0SMDJ43AHM6G?
The 'M6G' suffix in 5.0SMDJ43AHM6G denotes Taiwan Semiconductor's internal packaging and environmental coding: 'M6' specifies tape-and-reel packaging with 3,000 units per reel, and 'G' indicates green (halogen-free) molding compound compliant with IEC 61249-2-21. This matches the DO-214AB (SMC) package and RoHS/REACH requirements confirmed in the official datasheet revision A2102.
How does the 5.0SMDJ43AHM6G perform under high-temperature operating conditions?
The 5.0SMDJ43AHM6G maintains full functionality from -55°C to +175°C junction temperature, with derated peak pulse power above 25°C ambient per Fig.1 in the datasheet. At 125°C board temperature, it retains >70% of its 5000W rating. Its 16°C/W junction-to-lead thermal resistance ensures stable clamping performance even in engine bay environments when properly mounted on adequate copper area.
5.0SMDJ43AHM6G 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):
- 43V
- Voltage - Breakdown (Min):
- 47.8V
- Voltage - Clamping (Max) @ Ipp:
- 69.4V
- Current - Peak Pulse (10/1000µs):
- 72.1A
- 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)
5.0SMDJ43AHM6G FAQ
1.How can I place an order for 5.0SMDJ43AHM6G through Aetrix?
Please submit a Request for Quotation (RFQ) for 5.0SMDJ43AHM6G 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 5.0SMDJ43AHM6G reliable?
The price and inventory of 5.0SMDJ43AHM6G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5.0SMDJ43AHM6G is usually 5 days.
3.What payment methods are accepted for 5.0SMDJ43AHM6G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5.0SMDJ43AHM6G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5.0SMDJ43AHM6G?
5.0SMDJ43AHM6G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5.0SMDJ43AHM6G 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 5.0SMDJ43AHM6G?
For technical support, including 5.0SMDJ43AHM6G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5.0SMDJ43AHM6G requirements.
6.How does Aetrix verify that 5.0SMDJ43AHM6G is sourced from the original manufacturer or authorized distributors?
All 5.0SMDJ43AHM6G 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 5.0SMDJ43AHM6G meets industry standards.
7.What is the process for return or replacement of 5.0SMDJ43AHM6G?
All 5.0SMDJ43AHM6G units undergo pre-shipment inspection (PSI). If there is an issue with 5.0SMDJ43AHM6G, 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 5.0SMDJ43AHM6G part is unused and in its original packaging.
Return procedure for 5.0SMDJ43AHM6G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5.0SMDJ43AHM6G Tags
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Toshiba Semiconductor and Storage
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