Taiwan Semiconductor Corporation 5.0SMDJ90A M6G
- Part No.:
- 5.0SMDJ90A M6G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
5.0SMDJ90A M6G.pdf
- Description:
- TVS DIODE 90VWM 146VC DO214AB
- Quantity:
- Payment:

- Shipping:

Inventory:6,908
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Product details
Overview
5.0SMDJ90A 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, 90V working standoff voltage, and 146V maximum clamping voltage at 34.3A peak current. It delivers fast response (<1.0ps), operates from −55°C to +175°C, and is used for surge protection on I/O interfaces and AC/DC power supply rails.
For engineers reviewing the 5.0SMDJ90A datasheet, 5.0SMDJ90A pinout, 5.0SMDJ90A application, or 5.0SMDJ90A equivalent, key selection criteria include clamping voltage (VC = 146V), peak pulse current (IPP = 34.3A), thermal resistance (RθJA = 61°C/W), unidirectional polarity, and DO-214AB mechanical compatibility with automated SMT placement.
Technical Context
This TVS diode uses stacked-die construction to achieve high peak pulse power handling while maintaining low clamping ratio (VC/VBR ≈ 1.46). Its photo-glass passivated junction ensures stable breakdown behavior and long-term reliability under repetitive surge stress.
The device is optimized for unidirectional operation only, with forward voltage VF = 5V at 100A, and features a tight breakdown voltage tolerance (100–111V at 1mA test current) and temperature coefficient of VBR = 0.110 mV/°C - critical for stable clamping across industrial temperature ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 90 V - Maximum continuous reverse operating voltage before leakage exceeds 2 µA |
| VBR @ IT=1mA | 100–111 V - Confirmed breakdown range ensuring reliable turn-on during transients |
| VC @ IPP=34.3A | 146 V - Clamping voltage limiting downstream circuit stress during 10/1000µs surge |
| PPPM | 5000 W - Peak pulse power rating defining surge energy absorption capability |
| RθJA | 61 °C/W - Junction-to-ambient thermal resistance on standard 16mm × 16mm Cu pad PCB |
| TJ max | +175 °C - Maximum junction temperature enabling use in high-ambient industrial environments |
| Response time | <1.0 ps - Sub-nanosecond turn-on speed essential for protecting high-speed I/O |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, cathode-indicated by band, matte tin-plated leads, UL 94V-0 molding compound, 0.300g weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias | Connected to lower-potential side (e.g., GND or return path) in unidirectional TVS configuration |
| Cathode | Current exit terminal in forward bias; protected node connection in reverse-bias clamping | Connected to line being protected (e.g., 90V rail); polarity band identifies this terminal |
Key Features
| Feature | Design Value |
|---|---|
| 5000W peak pulse power | Enables robust protection against IEC 61000-4-5 Level 4 surges (4kV/2Ω) without failure |
| Clamping voltage ≤146V at 34.3A | Provides predictable overvoltage limiting margin for 90V-rated downstream components |
| DO-214AB (SMC) package | Supports high-current PCB routing and automated pick-and-place with JEDEC-compliant footprint |
| Moisture sensitivity level 1 | Eliminates bake requirements prior to reflow, reducing manufacturing cost and cycle time |
| RoHS & halogen-free compliance | Meets IEC 61249-2-21 and global environmental directives for industrial and consumer end equipment |
Applications
| Industrial Power Input Protection | Automated Test Equipment I/O |
|---|---|
Use Scenario: 90V DC input stage of programmable logic controller (PLC) power module exposed to load dump and inductive switching transients. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between 90V rail and chassis ground to clamp positive-going surges. Use Value: Limits transient voltage to ≤146V, preserving integrity of 100V-rated DC-DC converter input capacitors and MOSFETs. | Use Scenario: Analog/digital signal lines (e.g., RS-485, CAN FD) in ATE fixture interfacing with DUTs under high ESD stress. IC Role / Device Role / Timing Role: Line-side TVS on differential bus pair to absorb ±15kV contact ESD per IEC 61000-4-2. Use Value: Sub-1ps response ensures clamping before signal integrity degradation; low leakage (<2µA) avoids DC offset errors. |
| Telecom AC/DC Front-End | Renewable Energy Monitoring Interface |
Use Scenario: Secondary-side 90V output of telecom AC/DC adapter subjected to lightning-induced surges on distribution wiring. IC Role / Device Role / Timing Role: Primary overvoltage clamp on regulated 90V output rail before feeding PoE PSE controller or monitoring IC. Use Value: 5000W rating sustains multiple 10/1000µs surges without parametric shift; RθJA = 61°C/W enables natural convection cooling. | Use Scenario: Voltage sensing input of solar inverter monitoring board connected to 90V PV string monitoring circuitry. IC Role / Device Role / Timing Role: Input-stage TVS protecting ADC front-end and isolation amplifier from grid-coupled transients. Use Value: Tight VBR tolerance (100–111V) ensures consistent clamping onset; −55°C to +175°C rating supports outdoor enclosure deployment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ90A | Lower peak power (600W), same DO-214AA package, higher RθJA (85°C/W) | Not suitable for IEC 61000-4-5 Level 4; limited to lower-energy surges | Select only when system-level surge testing requires ≤600W capability and space constraints favor smaller SMB footprint |
| 5.0SMDJ90CA | Bi-directional variant; symmetric clamping (±146V); identical VWM, PPPM, and package | Required for AC-coupled or bidirectional signal lines (e.g., Ethernet PHY, USB D+/D−) | Choose 5.0SMDJ90CA if protecting balanced or alternating-polarity signals; otherwise 5.0SMDJ90A is optimal for DC rails |
Compared with SMBJ90A and 5.0SMDJ90CA, the 5.0SMDJ90A offers superior surge energy handling for unidirectional DC protection while maintaining DO-214AB mechanical compatibility - making it the preferred choice for high-reliability 90V power rail clamping where bidirectional conduction is unnecessary.
Availability
5.0SMDJ90A is available at Aetrix Electronics and suitable for industrial power input protection, automated test equipment I/O, telecom AC/DC front-end, and renewable energy monitoring interface applications requiring stable component supply and full traceability.
Supply support for 5.0SMDJ90A 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 5.0SMDJxxA series was designed specifically for high-energy transient suppression in industrial, telecom, and renewable energy systems where DO-214AB packaging, 5000W surge capability, and extended temperature operation are mandatory.
FAQ
What is the maximum clamping voltage of the 5.0SMDJ90A under standard test conditions?
The 5.0SMDJ90A has a maximum clamping voltage (VC) of 146 V when subjected to a 10/1000 µs waveform peak impulse current of 34.3 A. This value is measured at TA = 25°C and defines the upper voltage limit imposed on protected circuitry during surge events. The clamping performance remains stable across its operational temperature range due to a VBR temperature coefficient of 0.110 mV/°C.
Is the 5.0SMDJ90A suitable for bidirectional signal line protection?
No, the 5.0SMDJ90A is a unidirectional TVS diode intended only for DC rail protection. It conducts in reverse bias to clamp positive transients but blocks negative excursions beyond its forward voltage (VF = 5 V at 100 A). For bidirectional protection, the 5.0SMDJ90CA - the complementary bi-directional variant - must be used instead.
What is the recommended PCB pad layout for the 5.0SMDJ90A in DO-214AB package?
Taiwan Semiconductor specifies a suggested pad layout aligned with JEDEC DO-214AB standards: 16 mm × 16 mm copper pads per terminal to achieve the published RθJA of 61°C/W. Thermal vias under pads are recommended for enhanced heat dissipation. The cathode band must be clearly marked on silkscreen, and solder mask defined (SMD) pads are advised to prevent bridging during reflow.
Does the 5.0SMDJ90A meet moisture sensitivity level (MSL) requirements for standard SMT assembly?
Yes, the 5.0SMDJ90A is rated MSL Level 1 per J-STD-020, meaning it may be stored indefinitely at ambient conditions (≤30°C/60% RH) without baking prior to reflow. This eliminates pre-conditioning steps, reduces process complexity, and supports just-in-time manufacturing for high-volume industrial electronics production.
How does the 5.0SMDJ90A compare to the 5.0SMDJ100A in terms of clamping performance?
The 5.0SMDJ100A has a higher working standoff voltage (100 V) and breakdown range (111–123 V), resulting in a higher clamping voltage of 162 V at 30.9 A. While both share the same 5000 W rating and DO-214AB package, the 5.0SMDJ90A provides tighter clamping margin (146 V) for 90 V systems - reducing stress on downstream 100 V-rated components more effectively than the 5.0SMDJ100A would in that voltage class.
5.0SMDJ90A M6G 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):
- 90V
- Voltage - Breakdown (Min):
- 100V
- Voltage - Clamping (Max) @ Ipp:
- 146V
- Current - Peak Pulse (10/1000µs):
- 34.3A
- 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)
5.0SMDJ90A M6G FAQ
1.How can I place an order for 5.0SMDJ90A M6G through Aetrix?
Please submit a Request for Quotation (RFQ) for 5.0SMDJ90A M6G 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 5.0SMDJ90A M6G reliable?
The price and inventory of 5.0SMDJ90A M6G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5.0SMDJ90A M6G is usually 5 days.
3.What payment methods are accepted for 5.0SMDJ90A M6G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5.0SMDJ90A M6G transactions.
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4.How is shipping managed for 5.0SMDJ90A M6G?
5.0SMDJ90A M6G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5.0SMDJ90A M6G 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 5.0SMDJ90A M6G?
For technical support, including 5.0SMDJ90A M6G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5.0SMDJ90A M6G requirements.
6.How does Aetrix verify that 5.0SMDJ90A M6G is sourced from the original manufacturer or authorized distributors?
All 5.0SMDJ90A M6G 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 5.0SMDJ90A M6G meets industry standards.
7.What is the process for return or replacement of 5.0SMDJ90A M6G?
All 5.0SMDJ90A M6G units undergo pre-shipment inspection (PSI). If there is an issue with 5.0SMDJ90A M6G, 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 5.0SMDJ90A M6G part is unused and in its original packaging.
Return procedure for 5.0SMDJ90A M6G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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