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Taiwan Semiconductor Corporation 5.0SMDJ22AH
- Part No.:
- 5.0SMDJ22AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
5.0SMDJ22AH.pdf
- Description:
- TVS DIODE 22VWM 35.5VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,345
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Product details
Overview
5.0SMDJ22AH 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, 22V working standoff voltage, and clamps to 35.5V at 141A peak current. It serves as primary overvoltage protection on DC power rails and I/O lines in automotive and industrial power supplies.
For engineers reviewing the 5.0SMDJ22AH datasheet, 5.0SMDJ22AH pinout, 5.0SMDJ22AH application, or 5.0SMDJ22AH equivalent, key selection criteria include clamping voltage (VC = 35.5V), breakdown voltage range (24.4–26.9V), AEC-Q101 qualification, moisture sensitivity level 1, and DO-214AB mechanical compatibility with automated SMT assembly.
Technical Context
This unidirectional TVS diode uses a stacked-die construction to achieve high surge capability in a compact SMC package. Its photo-glass passivated junction ensures stable breakdown behavior and low leakage (<5µA at 22V), while fast response time (<1.0ps) enables effective suppression of ESD and lightning-induced transients.
Thermal performance is characterized by RθJL = 16°C/W and RθJA = 61°C/W on a 16mm × 16mm copper pad, supporting reliable operation up to TJ = 175°C. The device complies with JESD201 Class 2 whisker resistance and UL 94V-0 flammability requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 22 V - Maximum continuous reverse operating voltage before conduction begins |
| VBR @ IT=1mA | 24.4–26.9 V - Verified breakdown threshold ensuring predictable turn-on during overvoltage events |
| VC @ IPP=141A | 35.5 V - Clamping voltage limiting downstream circuit stress during 5000W transient surges |
| PPPPM | 5000 W - Peak pulse power handling per 10/1000μs waveform, critical for ISO 7637-2/IEC 61000-4-5 compliance |
| IIB @ VWM | <5 µA - Low leakage preserves efficiency in always-on power monitoring or sensor bias circuits |
| TJ Range | −55°C to +175°C - Enables deployment in under-hood automotive and industrial environments without derating |
Pinout & Package
DO-214AB (SMC) surface-mount package with cathode band indicating polarity; matte tin-plated leads compliant with J-STD-002 solderability and JESD201 Class 2 whisker resistance. Weight: 0.300g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or common return path; defines conduction direction in unidirectional configuration |
| Cathode | Protected line input | Connected to the line being protected (e.g., 24V rail); clamps to anode when voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan |
| Photo-glass passivated junction | Ensures stable VBR tolerance and long-term leakage stability under humidity and thermal stress |
| Moisture sensitivity level 1 | Enables standard SMT reflow without baking or dry-pack requirements, reducing manufacturing overhead |
| Fast response time <1.0ps | Responds before most microsecond-scale transients fully develop, protecting sensitive downstream ICs |
Applications
| Automotive Power Rail Protection | Industrial DC Power Input |
|---|---|
Use Scenario: 24V battery-supplied control modules exposed to load dump (ISO 7637-2 Pulse 5a) and jump-start surges. IC Role / Device Role / Timing Role: Primary clamping element placed directly at connector entry point to limit voltage seen by DC-DC converters and microcontrollers. Use Value: Clamps 141A surge to ≤35.5V, preventing damage to 36V-rated input stages and meeting OEM surge immunity requirements. | Use Scenario: 24V/48V industrial PLC power inputs subject to switching transients and induced surges from adjacent motor drives. IC Role / Device Role / Timing Role: Standoff protector upstream of bulk capacitance and EMI filter, absorbing energy before it reaches filtering components. Use Value: 5000W rating handles repetitive 10/1000μs surges without degradation; DO-214AB footprint supports high-current PCB trace routing. |
| Communication Interface Protection | Renewable Energy Charge Controller |
Use Scenario: RS-485 or CAN bus lines in factory automation systems where ground differentials induce common-mode transients. IC Role / Device Role / Timing Role: Unidirectional shunt clamp on VCC-to-signal line or signal-to-ground, suppressing differential and common-mode spikes. Use Value: Low clamping voltage (35.5V) avoids exceeding absolute maximum ratings of transceivers; <5µA leakage prevents signal distortion. | Use Scenario: Solar charge controller input stage connecting PV array (up to 100V OC) to battery bank, requiring protection against lightning-induced surges. IC Role / Device Role / Timing Role: Secondary overvoltage clamp after MOV-based front-end, providing precise, low-leakage clamping for electronics safety margin. Use Value: 22V VWM allows safe operation across MPPT voltage range; 175°C max junction temperature accommodates enclosed enclosure thermal profiles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ22A | Lower peak power (600W), same DO-214AA package, VC = 35.5V at 17.1A | Not suitable for ISO 7637-2 Pulse 5a or IEC 61000-4-5 Level 4; limited to lower-energy interfaces | Select only for cost-sensitive, low-surge-risk applications where 5000W capability is unnecessary |
| SMCJ22A | Same DO-214AB package and 5000W rating, but VBR min = 24.4V (identical), VC = 35.5V (identical), AEC-Q101 not specified | Lacks automotive qualification; acceptable for industrial use where AEC-Q101 is not mandated | Choose when automotive qualification is not required and supply chain flexibility favors alternate vendor sourcing |
Compared with SMBJ22A and SMCJ22A, the 5.0SMDJ22AH delivers identical clamping performance with guaranteed AEC-Q101 compliance and moisture level 1-making it the preferred choice for automotive and high-reliability industrial designs where surge robustness and process compatibility are non-negotiable.
Availability
5.0SMDJ22AH is available at Aetrix Electronics and suitable for automotive power rail protection, industrial DC power input, communication interface protection, and renewable energy charge controller applications requiring stable component supply and full AEC-Q101 traceability.
Supply support for 5.0SMDJ22AH 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 5.0SMDJxxAH series was developed to meet stringent automotive surge immunity standards while enabling high-volume SMT assembly-targeting 12V/24V/48V system protection in vehicles and ruggedized industrial equipment.
FAQ
What is the clamping voltage of the 5.0SMDJ22AH under maximum surge conditions?
The 5.0SMDJ22AH clamps to 35.5 V when subjected to its maximum rated peak pulse current of 141 A, measured using the standardized 10/1000 μs waveform. This clamping voltage is guaranteed across the full operating temperature range and ensures downstream components see no more than 35.5 V during transient events. The 5.0SMDJ22AH maintains this performance due to its stacked-die construction and photo-glass passivation.
Is the 5.0SMDJ22AH suitable for automotive applications?
Yes, the 5.0SMDJ22AH is AEC-Q101 qualified and specifically designed for automotive use, including engine control units, body control modules, and infotainment power supplies. Its −55°C to +175°C junction temperature range, moisture sensitivity level 1, and validated reliability testing make it appropriate for under-hood and cabin environments. The 5.0SMDJ22AH meets ISO 7637-2 and IEC 61000-4-5 surge immunity requirements when properly implemented.
What is the marking code for the 5.0SMDJ22AH?
The 5.0SMDJ22AH is marked with the code "5PEX" on the device body, per the manufacturer's ordering information table. This two-letter prefix ("5P") followed by two-character suffix ("EX") uniquely identifies the 22 V variant within the 5.0SMDJxxAH family. The 5.0SMDJ22AH marking is laser-etched and visible under standard magnification on the cathode-band side of the DO-214AB package.
How does the 5.0SMDJ22AH compare to bidirectional TVS diodes in the same package?
The 5.0SMDJ22AH is unidirectional and optimized for DC power line protection where polarity is fixed, offering lower leakage (<5 µA at 22 V) and tighter VBR tolerance versus bidirectional equivalents. Bidirectional versions (e.g., 5.0SMDJ22CA) exhibit higher leakage and symmetric clamping, making them better suited for AC or data-line applications. The 5.0SMDJ22AH's design prioritizes efficiency and precision in single-polarity systems.
What thermal derating applies to the 5.0SMDJ22AH at elevated ambient temperatures?
The 5.0SMDJ22AH follows a linear power derating curve starting at 25°C ambient, with steady-state power dissipation (PD) dropping from 6.25 W at TL = 75°C to zero at 175°C junction temperature. Derating is defined in Figure 2 of the datasheet and assumes mounting on a 16 mm × 16 mm copper pad. For the 5.0SMDJ22AH, thermal resistance from junction to lead is 16°C/W, enabling effective heat transfer in constrained board layouts.
5.0SMDJ22AH 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):
- 22V
- Voltage - Breakdown (Min):
- 24.4V
- Voltage - Clamping (Max) @ Ipp:
- 35.5V
- Current - Peak Pulse (10/1000µs):
- 141A
- 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)
5.0SMDJ22AH FAQ
1.How can I place an order for 5.0SMDJ22AH through Aetrix?
Please submit a Request for Quotation (RFQ) for 5.0SMDJ22AH 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 5.0SMDJ22AH reliable?
The price and inventory of 5.0SMDJ22AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5.0SMDJ22AH is usually 5 days.
3.What payment methods are accepted for 5.0SMDJ22AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5.0SMDJ22AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5.0SMDJ22AH?
5.0SMDJ22AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5.0SMDJ22AH 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 5.0SMDJ22AH?
For technical support, including 5.0SMDJ22AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5.0SMDJ22AH requirements.
6.How does Aetrix verify that 5.0SMDJ22AH is sourced from the original manufacturer or authorized distributors?
All 5.0SMDJ22AH 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 5.0SMDJ22AH meets industry standards.
7.What is the process for return or replacement of 5.0SMDJ22AH?
All 5.0SMDJ22AH units undergo pre-shipment inspection (PSI). If there is an issue with 5.0SMDJ22AH, 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 5.0SMDJ22AH part is unused and in its original packaging.
Return procedure for 5.0SMDJ22AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5.0SMDJ22AH Tags
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