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Taiwan Semiconductor Corporation 5.0SMDJ58A
- Part No.:
- 5.0SMDJ58A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
5.0SMDJ58A.pdf
- Description:
- 5000W, 67.8V, 5%, UNIDIRECTIONAL
- Quantity:
- Payment:
- Shipping:
Inventory:6,233
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Product details
Overview
5.0SMDJ58A 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 delivers 5000W peak pulse power at 10/1000μs, clamps transients to 93.6V at 53.5A, and features a 58V working standoff voltage with <2µA leakage. It is used in industrial AC/DC power supplies to protect downstream regulators and controllers from lightning-induced surges.
For engineers reviewing the 5.0SMDJ58A datasheet, 5.0SMDJ58A pinout, 5.0SMDJ58A application, or 5.0SMDJ58A equivalent, key selection criteria include its DO-214AB (SMC) package compatibility, 64.4–71.2V breakdown range, 175°C max junction temperature, fast sub-1ps response, and UL 94V-0 molded case - all critical for robust overvoltage design in space-constrained power systems.
Technical Context
The 5.0SMDJ58A employs a stacked-die construction in a single DO-214AB package to achieve high peak pulse power handling while maintaining low clamping ratio (VC/VBR ≈ 1.31). Its unidirectional configuration provides forward conduction capability (VF = 5V @ 100A), enabling use in polarity-sensitive DC rails where reverse blocking and forward surge shunting are both required.
Thermal performance is defined by RθJL = 16°C/W and RθJA = 61°C/W on a 16mm × 16mm copper pad PCB, supporting stable operation up to 175°C junction temperature. The device meets JESD201 Class 2 whisker resistance and J-STD-020 Level 1 moisture sensitivity, ensuring reliability in automated SMT assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 58 V - Maximum continuous DC operating voltage before clamping begins; defines safe operating margin for 48V nominal systems. |
| VBR min/max | 64.4 V / 71.2 V @ 1 mA - Confirmed breakdown threshold range; ensures reliable turn-on above normal line transients. |
| VC @ IPP | 93.6 V @ 53.5 A - Clamped voltage during 10/1000μs surge; determines maximum stress on protected ICs. |
| PPPM | 5000 W - Peak pulse power rating; enables protection against IEC 61000-4-5 Level 4 (4kV/2Ω) surges. |
| IIB @ VWM | <2 µA - Ultra-low reverse leakage at rated standoff; minimizes standby power loss in battery-backed circuits. |
| TJ max | +175 °C - Maximum junction temperature; supports operation in high-ambient industrial environments. |
| RθJA | 61 °C/W - Junction-to-ambient thermal resistance on standard test board; guides heatsinking and layout decisions. |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, cathode-indicated by band. Matte tin-plated leads, RoHS and halogen-free compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Surge return path | Connected to system ground or low-side reference; carries full surge current during clamping. |
| Cathode | Protected line connection | Connected to the line being protected (e.g., +48V rail); reverse-biased under normal operation. |
Key Features
| Feature | Design Value |
|---|---|
| 5000W peak pulse power | Enables compliance with IEC 61000-4-5 surge immunity requirements without external series impedance. |
| Sub-1ps response time | Clamps ESD and fast transients before sensitive logic or analog circuitry is damaged. |
| Stacked die architecture | Delivers high energy handling in compact DO-214AB footprint without compromising voltage uniformity. |
| UL 94V-0 molding compound | Ensures flame-retardant behavior under fault conditions, meeting safety standards for industrial enclosures. |
| J-STD-020 Level 1 MSL | Allows unlimited floor life and reflow without baking, simplifying manufacturing logistics. |
Applications
| Industrial AC/DC Power Supply Input | Telecom DC Power Distribution |
|---|---|
Use Scenario: Protecting primary-side rectifier outputs and secondary-side DC bus rails against lightning-induced surges per IEC 61000-4-5. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed across +48V output rail to clamp positive-going transients. Use Value: Limits voltage excursion to ≤93.6V during 53.5A surge, safeguarding downstream DC-DC converters and PMICs. |
Use Scenario: Guarding backplane power feeds in modular telecom chassis exposed to hot-swap and load-dump events. IC Role / Device Role / Timing Role: Standoff protector on 54V intermediate distribution bus, absorbing repetitive 10/1000μs pulses. Use Value: Withstands >1000 surges at rated power due to low thermal resistance (RθJL = 16°C/W) and 175°C TJ rating. |
| Programmable Logic Controller (PLC) I/O Module | Factory Automation Sensor Interface |
Use Scenario: Shielding digital input channels (24V DC) from field-wiring induced transients and inductive kickback. IC Role / Device Role / Timing Role: Low-leakage (≤2µA) unidirectional suppressor mounted adjacent to optocoupler input stage. Use Value: Maintains signal integrity with minimal loading while clamping spikes within 1ps to prevent false triggering. |
Use Scenario: Protecting analog sensor front-ends (e.g., 4–20mA loop receivers) from ESD and cable discharge events. IC Role / Device Role / Timing Role: High-speed clamping device placed at connector entry point before precision amplifier inputs. Use Value: 93.6V clamping voltage ensures amplifier input stays below absolute maximum ratings even during ±8kV contact ESD. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ58A (Bourns) | Same DO-214AA package; lower PPPM (600W), higher VC (96.3V @ 43.5A), 10% lower surge current rating. | Limited to lower-energy transients (IEC 61000-4-5 Level 2); unsuitable for 4kV/2Ω testing. | Select SMBJ58A only when board space allows larger footprint and surge requirements are ≤2kV. |
| SMCJ58A (Littelfuse) | DO-214AB package identical to 5.0SMDJ58A; same 5000W rating but higher VBR (64.4–71.2V → 66.7–73.7V) and VC (96.8V). | Higher clamping voltage increases stress on protected devices; requires margin verification in 48V systems. | Choose SMCJ58A if supply chain diversification is needed and clamping margin permits 96.8V peak. |
Compared with SMBJ58A and SMCJ58A, the 5.0SMDJ58A offers the lowest clamping voltage (93.6V) among DO-214AB 58V TVS diodes, delivering tighter protection margin for 48V systems while maintaining full 5000W surge capability and Level 1 MSL handling.
Availability
5.0SMDJ58A is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, telecom DC distribution systems, and PLC I/O modules requiring stable component supply and long-term production continuity.
Supply support for 5.0SMDJ58A 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 Taiwanese semiconductor manufacturer specializing in discrete power devices, TVS diodes, and rectifiers since 1979.
The 5.0SMDJxxA series was developed specifically for high-reliability surge protection in industrial and telecom infrastructure, emphasizing high PPPM density, tight VBR tolerance, and automated assembly compatibility.
FAQ
What is the maximum clamping voltage of the 5.0SMDJ58A under a 10/1000μs surge?
The 5.0SMDJ58A has a maximum clamping voltage (VC) of 93.6 V at 53.5 A peak pulse current under the standardized 10/1000μs waveform. This value is measured per JEDEC test conditions and defines the upper voltage limit imposed on protected circuitry during surge events. Designers must ensure downstream components tolerate this clamped level, especially in 48V systems where headroom is limited. The 5.0SMDJ58A achieves this with a clamping ratio (VC/VBR) of approximately 1.31, reflecting efficient silicon utilization.
Is the 5.0SMDJ58A suitable for bidirectional surge protection?
No, the 5.0SMDJ58A is a unidirectional TVS diode and is not rated for bidirectional operation. Its electrical specifications - including breakdown voltage, clamping behavior, and forward voltage - apply only in reverse-biased (cathode-positive) and forward-biased (anode-positive) modes as defined for unidirectional devices. For AC line or truly bidirectional signal protection, a dedicated bidirectional part such as 5.0SMDJ58CA must be selected. Using the 5.0SMDJ58A in bidirectional configurations risks incomplete clamping or premature failure.
What is the thermal resistance from junction to lead (RθJL) for the 5.0SMDJ58A?
The 5.0SMDJ58A has a typical junction-to-lead thermal resistance (RθJL) of 16°C/W when mounted on a 16mm × 16mm copper pad PCB per JEDEC test standards. This parameter directly impacts steady-state power dissipation capability: at TL = 75°C, the device supports 6.25W continuous power. Designers use RθJL to estimate junction temperature rise under sustained leakage or repetitive surge conditions, especially in enclosed industrial enclosures where ambient temperatures exceed 70°C.
Does the 5.0SMDJ58A meet RoHS and halogen-free requirements?
Yes, the 5.0SMDJ58A is RoHS compliant and halogen-free per IEC 61249-2-21. Its molding compound contains no brominated flame retardants or chlorine-based additives, and lead content is below 1000 ppm across all homogeneous materials. These certifications are verified per TSC's material declarations and are essential for compliance in EU industrial equipment and North American telecom infrastructure deployments where environmental regulations are strictly enforced.
What is the marking code printed on the 5.0SMDJ58A package?
The 5.0SMDJ58A is marked with the code "5PGG" on its DO-214AB (SMC) body, as specified in the official Taiwan Semiconductor datasheet revision D2102. This 4-character alphanumeric code uniquely identifies the 58V variant within the 5.0SMDJxxA family and is laser-etched for readability after reflow. The marking is positioned adjacent to the cathode band and conforms to JEDEC standards for polarity and part identification visibility in automated optical inspection (AOI) systems.
5.0SMDJ58A 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):
- 58V
- Voltage - Breakdown (Min):
- 64.4V
- Voltage - Clamping (Max) @ Ipp:
- 93.6V
- Current - Peak Pulse (10/1000µs):
- 53.5A
- Power - Peak Pulse:
- 5000W (5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
5.0SMDJ58A FAQ
1.How can I place an order for 5.0SMDJ58A through Aetrix?
Please submit a Request for Quotation (RFQ) for 5.0SMDJ58A 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 5.0SMDJ58A reliable?
The price and inventory of 5.0SMDJ58A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5.0SMDJ58A is usually 5 days.
3.What payment methods are accepted for 5.0SMDJ58A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5.0SMDJ58A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5.0SMDJ58A?
5.0SMDJ58A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5.0SMDJ58A 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 5.0SMDJ58A?
For technical support, including 5.0SMDJ58A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5.0SMDJ58A requirements.
6.How does Aetrix verify that 5.0SMDJ58A is sourced from the original manufacturer or authorized distributors?
All 5.0SMDJ58A 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 5.0SMDJ58A meets industry standards.
7.What is the process for return or replacement of 5.0SMDJ58A?
All 5.0SMDJ58A units undergo pre-shipment inspection (PSI). If there is an issue with 5.0SMDJ58A, 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 5.0SMDJ58A part is unused and in its original packaging.
Return procedure for 5.0SMDJ58A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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