Taiwan Semiconductor Corporation 5.0SMDJ33AHM6G
- Part No.:
- 5.0SMDJ33AHM6G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
5.0SMDJ33AHM6G.pdf
- Description:
- TVS DIODE 33VWM 53.3VC DO214AB
- Quantity:
- Payment:

- Shipping:

Inventory:3,060
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Product details
Overview
5.0SMDJ33AHM6G 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, 33V working standoff voltage, and clamps to 53.3V at 93.9A peak current. It is AEC-Q101 qualified and used for I/O interface and AC/DC power supply surge protection.
For engineers reviewing the 5.0SMDJ33AHM6G datasheet, 5.0SMDJ33AHM6G pinout, 5.0SMDJ33AHM6G application, or 5.0SMDJ33AHM6G equivalent, key selection criteria include unidirectional clamping performance, 175°C junction temperature rating, DO-214AB mechanical compatibility, and automotive-grade reliability per JESD201 Class 2 whisker testing.
Technical Context
This TVS diode uses a stacked-die construction to achieve high peak pulse power handling while maintaining fast response time (<1.0ps) and low clamping ratio (VC/VBR ≈ 1.45). Its unidirectional configuration provides reverse-biased surge suppression with defined cathode polarity indicated by a band.
Thermal design relies on low junction-to-lead resistance (16°C/W) and PCB-mounted 16mm × 16mm copper pad layout per JEDEC standards. The device operates across –55°C to +175°C junction temperature range and meets moisture sensitivity level 1 per J-STD-020.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 33 V - Maximum continuous reverse operating voltage before conduction begins |
| VBR min / max | 36.7 V / 40.6 V - Breakdown voltage range at 1 mA test current; defines turn-on threshold consistency |
| VC @ IPP | 53.3 V at 93.9 A - Clamping voltage during 10/1000μs surge; determines protected circuit's maximum transient stress |
| PPPM | 5000 W - Peak pulse power capability; enables robust protection against IEC 61000-4-5 Level 4 surges |
| TJ max | +175 °C - Maximum junction temperature; supports under-hood automotive and industrial high-temp environments |
| RθJL | 16 °C/W - Junction-to-lead thermal resistance; informs heatsinking requirements when mounted on PCB |
| αVBR | 0.104 mV/°C - Temperature coefficient of breakdown voltage; critical for stable clamping over wide temperature ranges |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, matte tin-plated leads, cathode indicated by band, weight ≈ 0.300 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side in unidirectional configuration; conducts during forward surge events |
| Cathode | Reverse-biased surge clamp terminal | Connected to protected line; initiates avalanche breakdown above VBR to shunt transients to ground |
| Cathode Band | Polarity indicator | Visible marking on package body; ensures correct orientation during automated placement and manual inspection |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control units and infotainment power rails |
| Photo glass passivated junction | Enhances long-term reliability and humidity resistance in harsh environmental conditions |
| Fast response time <1.0 ps | Enables suppression of ESD and lightning-induced transients before sensitive ICs are damaged |
| Stacked die architecture | Delivers 5000W peak power in compact DO-214AB footprint without derating or parallel devices |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and EU directives for environmentally responsible manufacturing and end-of-life processing |
Applications
| Automotive Power Rail Protection | Industrial PLC I/O Module |
|---|---|
Use Scenario: Protecting 12V/24V battery-fed ECUs from load dump and alternator transients per ISO 7637-2. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp spikes up to 120V. Use Value: Withstands 5000W pulses and maintains clamping at 53.3V, preventing damage to downstream DC-DC converters and microcontrollers. | Use Scenario: Shielding digital input channels of programmable logic controllers from field-wiring induced surges. IC Role / Device Role / Timing Role: Bidirectionally unused but leveraged as unidirectional clamp on isolated 24V sensor inputs. Use Value: Low leakage (<2 µA at 33V) avoids false triggering; DO-214AB allows automated SMT assembly into dense I/O modules. |
| AC/DC Adapter Secondary Side | Telecom Power Interface |
Use Scenario: Surge suppression on the DC output of offline SMPS adapters subject to EN 61000-4-5 coupling. IC Role / Device Role / Timing Role: Final-stage TVS connected across output terminals to limit transient overvoltage to connected equipment. Use Value: 53.3V clamping ensures compliance with SELV limits; 175°C rating accommodates enclosed thermal environments. | Use Scenario: Protecting PoE-powered Ethernet ports from induced surges on data lines and power pairs. IC Role / Device Role / Timing Role: Unidirectional clamp on DC bias lines feeding PHY transceivers and magnetics. Use Value: Fast <1.0ps response prevents latch-up in Gigabit Ethernet PHYs; halogen-free compound meets telecom flame safety standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ33A | Lower peak power (600W), same DO-214AA package, higher clamping voltage (60.3V @ 7.5A) | Not suitable for ISO 7637-2 load dump; limited to low-energy ESD and signal-line protection | Select only for cost-sensitive non-automotive designs where 5000W rating is unnecessary |
| SMCJ33A | Same DO-214AB package, identical 5000W rating, but VBR min/max = 36.7–40.6V and VC = 53.3V match exactly | Functionally identical clamping behavior; differs only in marking code and minor packaging logistics | Valid drop-in alternative with same electrical and thermal performance; verify reel quantity and date code traceability |
Compared with 5.0SMDJ33AHM6G, SMBJ33A offers reduced surge capacity and higher clamping ratio, limiting its use to lighter-duty applications, while SMCJ33A delivers identical protection performance and can be deployed interchangeably where sourcing flexibility is required.
Availability
5.0SMDJ33AHM6G is available at Aetrix Electronics and suitable for automotive power rail protection, industrial PLC I/O modules, and AC/DC adapter secondary-side surge suppression requiring stable component supply and AEC-Q101 compliance.
Supply support for 5.0SMDJ33AHM6G 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, serving global automotive, industrial, and consumer markets since 1979.
The 5.0SMDJ series is part of TSC's AEC-Q101-qualified TVS portfolio, engineered specifically for high-energy transient suppression in automotive power systems and ruggedized industrial interfaces.
FAQ
What is the peak pulse power rating of the 5.0SMDJ33AHM6G?
The 5.0SMDJ33AHM6G is rated for 5000W peak pulse power at the standard 10/1000μs waveform. This value is measured under controlled test conditions with specified mounting (16mm × 16mm Cu pad) and is derated linearly above 25°C ambient temperature per the published power derating curve. The 5000W rating enables compliance with IEC 61000-4-5 Level 4 surge immunity requirements.
Is the 5.0SMDJ33AHM6G unidirectional or bidirectional?
The 5.0SMDJ33AHM6G is a unidirectional TVS diode, designed for reverse-biased surge clamping applications. Its electrical specifications-including breakdown voltage (VBR), working standoff voltage (VWM), and clamping voltage (VC)-are defined only for reverse polarity operation. Forward voltage is specified at 5V @ 100A, confirming its unidirectional architecture. The cathode band marking indicates correct orientation for installation.
What package does the 5.0SMDJ33AHM6G use, and what are its key mechanical features?
The 5.0SMDJ33AHM6G uses the DO-214AB (SMC) surface-mount package. Key mechanical features include matte tin-plated leads compliant with J-STD-002 solderability, UL 94V-0 rated molding compound, polarity indicated by a visible cathode band, and a mass of approximately 0.300g. It meets JESD201 Class 2 whisker resistance and is rated MSL Level 1 per J-STD-020-requiring no dry pack or floor life controls.
Does the 5.0SMDJ33AHM6G meet automotive qualification standards?
Yes, the 5.0SMDJ33AHM6G is AEC-Q101 qualified, confirming its suitability for automotive applications. This qualification includes stress testing for temperature cycling, humidity bias, mechanical shock, and board flex. Its –55°C to +175°C operating junction temperature range, stacked-die construction, and photo glass passivated junction further support deployment in engine control units, body electronics, and ADAS power domains.
How does the clamping voltage of the 5.0SMDJ33AHM6G compare to its breakdown voltage?
The 5.0SMDJ33AHM6G has a minimum breakdown voltage (VBR) of 36.7V and clamps to 53.3V at its rated peak impulse current of 93.9A. This yields a clamping ratio (VC/VBR) of approximately 1.45, indicating efficient voltage limiting with minimal overshoot. The low ratio ensures protected circuits experience significantly less overvoltage than the raw surge event, preserving downstream IC integrity during transient events.
5.0SMDJ33AHM6G 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):
- 33V
- Voltage - Breakdown (Min):
- 36.7V
- Voltage - Clamping (Max) @ Ipp:
- 53.3V
- Current - Peak Pulse (10/1000µs):
- 93.9A
- 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)
5.0SMDJ33AHM6G FAQ
1.How can I place an order for 5.0SMDJ33AHM6G through Aetrix?
Please submit a Request for Quotation (RFQ) for 5.0SMDJ33AHM6G 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 5.0SMDJ33AHM6G reliable?
The price and inventory of 5.0SMDJ33AHM6G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5.0SMDJ33AHM6G is usually 5 days.
3.What payment methods are accepted for 5.0SMDJ33AHM6G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5.0SMDJ33AHM6G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5.0SMDJ33AHM6G?
5.0SMDJ33AHM6G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5.0SMDJ33AHM6G 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 5.0SMDJ33AHM6G?
For technical support, including 5.0SMDJ33AHM6G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5.0SMDJ33AHM6G requirements.
6.How does Aetrix verify that 5.0SMDJ33AHM6G is sourced from the original manufacturer or authorized distributors?
All 5.0SMDJ33AHM6G 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 5.0SMDJ33AHM6G meets industry standards.
7.What is the process for return or replacement of 5.0SMDJ33AHM6G?
All 5.0SMDJ33AHM6G units undergo pre-shipment inspection (PSI). If there is an issue with 5.0SMDJ33AHM6G, 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 5.0SMDJ33AHM6G part is unused and in its original packaging.
Return procedure for 5.0SMDJ33AHM6G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5.0SMDJ33AHM6G Tags

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Diodes Incorporated

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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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