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Taiwan Semiconductor Corporation 5.0SMDJ54AH
- Part No.:
- 5.0SMDJ54AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
5.0SMDJ54AH.pdf
- Description:
- TVS DIODE 54VWM 87.1VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,082
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Product details
Overview
5.0SMDJ54AH from Taiwan Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode designed for high-energy surge protection in DC power lines and I/O interfaces. It features a 54 V working standoff voltage, 60.0–66.3 V breakdown voltage at 1 mA, 57.5 A peak pulse current, 87.1 V maximum clamping voltage at rated current, and 5000 W peak pulse power capability per 10/1000 µs waveform.
For engineers reviewing the 5.0SMDJ54AH datasheet, 5.0SMDJ54AH pinout, 5.0SMDJ54AH application, or 5.0SMDJ54AH equivalent, key selection criteria include clamping performance under automotive-grade surge transients (ISO 7637-2), thermal derating behavior on PCB copper pads, and compatibility with automated SMT placement in high-reliability industrial power supplies.
Technical Context
The 5.0SMDJ54AH employs a stacked-die construction in a DO-214AB (SMC) package to achieve 5000 W peak pulse power handling while maintaining fast response time (<1.0 ps) and low junction-to-lead thermal resistance (16 °C/W). Its unidirectional configuration provides reverse-biased surge clamping only, with forward voltage of 5 V at 100 A.
It operates across –55 °C to +175 °C junction temperature range and meets AEC-Q101 stress testing requirements for automotive applications. The device uses photo-glass passivated junction technology and matte tin-plated leads compliant with J-STD-002 solderability and JESD 201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 54 V - Maximum continuous reverse operating voltage before leakage exceeds 2 µA |
| VBR @ IT=1 mA | 60.0–66.3 V - Verified breakdown threshold ensuring reliable turn-on during transients |
| VC @ IPP=57.5 A | 87.1 V - Clamped voltage level limiting downstream component stress during 10/1000 µs surges |
| PPPSM | 5000 W - Peak pulse power rating defining single-event surge energy absorption capacity |
| RθJL | 16 °C/W - Thermal resistance from junction to lead, critical for sustained power dissipation on PCB |
| TJ max | +175 °C - Maximum allowable junction temperature supporting under-hood automotive deployment |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, unidirectional polarity indicated by cathode band. Weight: ~0.300 g. Molding compound meets UL 94V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., ground or return path) in unidirectional TVS configuration |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., 54 V rail); conducts when transient exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated reliability for automotive electronics including temperature cycling, HTRB, and ESD robustness |
| Photo-glass passivated junction | Enhanced long-term stability and moisture resistance vs. epoxy-passivated alternatives |
| Moisture sensitivity level 1 | No floor life limitation or bake requirement prior to reflow, simplifying SMT production |
| Fast response time <1.0 ps | Clamps sub-nanosecond ESD events before sensitive ICs experience overstress |
| Halogen-free per IEC 61249-2-21 | Complies with RoHS and environmental regulations for green manufacturing |
Applications
| Automotive Power Distribution | Industrial AC/DC Power Supply Input |
|---|---|
Use Scenario: Protecting 48 V battery-fed control modules against load dump and alternator surge per ISO 7637-2 Pulse 5a. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp positive-going transients. Use Value: 87.1 V clamping ensures MCU and gate drivers remain below absolute maximum ratings during 120 V/350 ms surges. | Use Scenario: Safeguarding primary-side rectifier outputs and secondary-side DC bus rails in DIN-rail mounted PSUs. IC Role / Device Role / Timing Role: Standoff-rated surge absorber on 54 V intermediate bus, activated only during lightning-induced or switching-induced spikes. Use Value: 5000 W peak power rating enables single-device protection without parallel stacking, reducing BOM count and layout area. |
| Telecom I/O Interface Protection | EV Charging Station Control Board |
Use Scenario: Shielding RS-485 transceivers and CAN PHYs connected to outdoor field wiring exposed to induced surges. IC Role / Device Role / Timing Role: Line-to-ground TVS on differential pair common-mode node, leveraging unidirectional blocking to prevent DC bias disruption. Use Value: 2 µA leakage at 54 V preserves signal integrity and minimizes standby current in always-on communication ports. | Use Scenario: Guarding microcontroller GPIOs and isolated feedback circuits in liquid-cooled DC fast charging controllers. IC Role / Device Role / Timing Role: Secondary-side transient suppressor on 54 V auxiliary supply feeding safety-critical monitoring ICs. Use Value: +175 °C junction rating supports operation adjacent to power semiconductors without thermal derating penalties. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ54A | Lower peak power (600 W), same DO-214AA package, 87.1 V clamping identical | Not AEC-Q101 qualified; limited to commercial-grade power supplies | Select SMBJ54A only for cost-sensitive non-automotive designs where 5000 W surge margin is unnecessary |
| SMCJ54A | Same 5000 W rating and DO-214AB package, but higher VBR min (60.0 V vs. 60.0 V) and identical VC | Also AEC-Q101 qualified; differs only in marking code and minor process revision | SMCJ54A is functionally interchangeable with 5.0SMDJ54AH in all layouts and thermal environments |
Compared with SMBJ54A and SMCJ54A, the 5.0SMDJ54AH delivers automotive-grade reliability and full 5000 W surge headroom in the same footprint as SMCJ54A-making it optimal for next-generation EV and ADAS power systems requiring both performance and qualification compliance.
Availability
5.0SMDJ54AH is available at Aetrix Electronics and suitable for automotive power distribution, industrial AC/DC power supply input, telecom I/O interface protection, and EV charging station control board applications requiring stable component supply and AEC-Q101 assurance.
Supply support for 5.0SMDJ54AH 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 5.0SMDJ54AH belongs to TSC's 5.0SMDJ series of high-power unidirectional TVS diodes, engineered specifically for automotive and industrial systems demanding AEC-Q101 compliance, high surge immunity, and robust thermal performance on standard PCB layouts.
FAQ
What is the clamping voltage of the 5.0SMDJ54AH under maximum rated surge current?
The 5.0SMDJ54AH has a maximum clamping voltage (VC) of 87.1 V when subjected to its rated peak pulse current of 57.5 A under the standard 10/1000 µs waveform. This value is measured at TA = 25 °C and defines the upper voltage limit imposed on protected circuitry during worst-case transient events. The 5.0SMDJ54AH maintains this clamping performance across its full operational temperature range due to its low VBR temperature coefficient of 0.107 mV/°C.
Is the 5.0SMDJ54AH suitable for automotive applications?
Yes, the 5.0SMDJ54AH is AEC-Q101 qualified and explicitly designed for automotive use cases including power distribution modules, body control units, and ADAS domain controllers. Its –55 °C to +175 °C junction temperature range, photo-glass passivated junction, and compliance with JESD 201 Class 2 whisker resistance meet stringent automotive reliability requirements. The 5.0SMDJ54AH is validated for load dump, jump start, and ISO 7637-2 transient immunity without derating.
What package type does the 5.0SMDJ54AH use, and is it compatible with standard SMT processes?
The 5.0SMDJ54AH uses the DO-214AB (SMC) surface-mount package with matte tin-plated leads that comply with J-STD-002 solderability standards. It is fully compatible with standard reflow profiles and automated pick-and-place equipment. Its moisture sensitivity level (MSL) is Level 1 per J-STD-020, meaning no dry pack or baking is required prior to assembly-reducing manufacturing overhead and improving yield consistency for the 5.0SMDJ54AH.
How does the 5.0SMDJ54AH compare to the 5.0SMDJ51AH in terms of voltage ratings?
The 5.0SMDJ54AH has a 54 V working standoff voltage (VWM) and 60.0–66.3 V breakdown voltage (VBR), whereas the 5.0SMDJ51AH specifies 51 V VWM and 56.7–62.7 V VBR. Both share identical 5000 W peak pulse power, 87.1 V and 82.4 V clamping voltages respectively, and DO-214AB packaging. The 5.0SMDJ54AH is selected when system nominal voltage increases to 54 V, such as in 48 V mild-hybrid architectures, ensuring proper margin above operating rail.
Does the 5.0SMDJ54AH have polarity markings, and how is orientation verified on PCB?
Yes, the 5.0SMDJ54AH features a visible cathode band printed on the device body to indicate polarity. During PCB layout, the cathode must be connected to the line being protected (e.g., 54 V rail), and the anode to ground or return path. The marking code "5PGE" appears adjacent to the cathode band, and the DO-214AB outline includes asymmetrical lead spacing to prevent incorrect placement. This polarity identification ensures correct unidirectional clamping behavior for the 5.0SMDJ54AH.
5.0SMDJ54AH 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):
- 54V
- Voltage - Breakdown (Min):
- 60V
- Voltage - Clamping (Max) @ Ipp:
- 87.1V
- Current - Peak Pulse (10/1000µs):
- 57.5A
- Power - Peak Pulse:
- 5000W (5kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
5.0SMDJ54AH FAQ
1.How can I place an order for 5.0SMDJ54AH through Aetrix?
Please submit a Request for Quotation (RFQ) for 5.0SMDJ54AH 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 5.0SMDJ54AH reliable?
The price and inventory of 5.0SMDJ54AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5.0SMDJ54AH is usually 5 days.
3.What payment methods are accepted for 5.0SMDJ54AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5.0SMDJ54AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5.0SMDJ54AH?
5.0SMDJ54AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5.0SMDJ54AH 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 5.0SMDJ54AH?
For technical support, including 5.0SMDJ54AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5.0SMDJ54AH requirements.
6.How does Aetrix verify that 5.0SMDJ54AH is sourced from the original manufacturer or authorized distributors?
All 5.0SMDJ54AH 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 5.0SMDJ54AH meets industry standards.
7.What is the process for return or replacement of 5.0SMDJ54AH?
All 5.0SMDJ54AH units undergo pre-shipment inspection (PSI). If there is an issue with 5.0SMDJ54AH, 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 5.0SMDJ54AH part is unused and in its original packaging.
Return procedure for 5.0SMDJ54AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5.0SMDJ54AH Tags
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