Vishay General Semiconductor - Diodes Division 5KP58A-E3/51
- Part No.:
- 5KP58A-E3/51
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- P600, Axial
- Datasheet:
-
5KP58A-E3/51.pdf
- Description:
- TVS DIODE 58VWM 94VC P600
- Quantity:
- Payment:

- Shipping:

Inventory:3,535
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Product details
Overview
5KP58A-E3/51 from Vishay General Semiconductor is a unidirectional TransZORB® transient voltage suppressor (TVS) diode in P600 package, designed for high-energy surge protection. It features 58 V stand-off voltage (VWM), 64.4–71.2 V breakdown voltage (VBR) at 5 mA, 94 V clamping voltage (VC) at 53.4 A peak pulse current, and 5000 W peak pulse power (10/1000 μs). It protects power supply outputs and MOSFETs in automotive and industrial power systems.
For engineers reviewing the 5KP58A-E3/51 datasheet, 5KP58A-E3/51 pinout, 5KP58A-E3/51 application, or 5KP58A-E3/51 equivalent, key selection criteria include unidirectional polarity, 5000 W surge rating, 94 V clamping performance at 53.4 A, AEC-Q101 qualification, and P600 through-hole package compatibility with high-current PCB layouts.
Technical Context
The 5KP58A-E3/51 operates as a silicon avalanche diode with glass-passivated P600 junction, optimized for fast response (<1 ns) to transient overvoltages. Its unidirectional configuration enables integration into DC power rails where reverse conduction must be blocked during normal operation.
It delivers 5000 W peak pulse power under standardized 10/1000 μs waveform conditions, with thermal derating above 25 °C ambient and maximum junction temperature of 175 °C. The device sustains 600 A non-repetitive forward surge current (8.3 ms half-sine) and exhibits low incremental surge resistance for stable clamping behavior across repeated transients.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 58 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 64.4 V / 71.2 V at 5 mA - Ensures reliable avalanche initiation within tight tolerance band |
| VC @ IPPM | 94 V at 53.4 A - Clamping voltage limits downstream component stress during 5000 W surge |
| PPPM | 5000 W (10/1000 μs) - Withstands high-energy lightning or inductive-switching transients |
| IFSM | 600 A (8.3 ms half-sine) - Survives single-event overcurrent without bond-wire failure |
| TJ max | 175 °C - Enables use in under-hood automotive and high-temperature industrial environments |
| Polarity | Unidirectional - Blocks reverse current; cathode marked by color band |
Pinout & Package
5KP58A-E3/51 uses the P600 axial-leaded package: molded epoxy body, matte tin-plated leads, UL 94 V-0 rated compound, and cathode indicated by a color band. Leads are solderable per J-STD-002/JESD 22-B102, with 275 °C max solder dip (10 s).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Surge return path | Connected to ground or low-side reference in unidirectional clamp configuration |
| Cathode | Clamping node / High-side connection | Connected to protected line (e.g., +12 V rail); color band identifies this terminal |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive powertrain and chassis applications requiring reliability under thermal cycling and vibration |
| 5000 W peak pulse power | Enables replacement of crowbar circuits in switching power supplies without external triggering logic |
| Low clamping ratio (VC/VBR ≈ 1.39) | Minimizes overvoltage margin between breakdown and clamping, improving system-level surge margin |
| P600 glass-passivated junction | Ensures stable leakage (<2 μA at VWM) and long-term stability under humidity and bias stress |
| RoHS-compliant E3 suffix | Meets JESD 201 Class 1A whisker resistance, suitable for lead-free reflow and wave soldering |
Applications
| Automotive Power Supply Protection | Industrial DC Motor Drive Inputs |
|---|---|
Use Scenario: Protecting 12 V/24 V battery-fed ECUs against 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 surges up to ±100 V. Use Value: 94 V clamping ensures microcontrollers and CAN transceivers remain below absolute maximum ratings during 5000 W events. | Use Scenario: Safeguarding H-bridge gate drivers and current sense amplifiers from inductive kickback during motor commutation. IC Role / Device Role / Timing Role: Mounted across DC bus input terminals to absorb energy from flyback diodes and parasitic inductance. Use Value: 600 A IFSM rating allows survival of repetitive 8.3 ms surges without degradation, supporting high-duty-cycle motor control. |
| Telecom AC-DC Adapter Outputs | Server PSU Overvoltage Crowbar Replacement |
Use Scenario: Secondary-side surge suppression on 48 V telecom rectifier outputs exposed to lightning-induced surges on distribution lines. IC Role / Device Role / Timing Role: Unidirectional clamp referenced to output common, activated only during positive overvoltage excursions. Use Value: Tight 64.4–71.2 V VBR range aligns precisely with 48 V system tolerances, minimizing false triggering while ensuring fast response. | Use Scenario: Replacing SCR-based crowbar circuits in redundant server PSUs to avoid latch-up and enable automatic recovery after overvoltage. IC Role / Device Role / Timing Role: Placed across main output rail to conduct only during overvoltage, allowing fuse/breaker coordination without latching. Use Value: Non-latching behavior and 175 °C TJ max support hot-swap and fault-clearing operations without manual reset. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ58A | Lower peak power (600 W), SMC package, same VWM/VBR/VC specs | Not suitable for 5000 W surge environments; limited to board-level signal line protection | Select when space-constrained PCB layout requires surface-mount and surge energy is ≤600 W |
| 1.5KE56A | Same P600 package, lower PPPM (1500 W), 56 V VWM, 62.2–68.8 V VBR | Lacks AEC-Q101 qualification; not validated for automotive under-hood use | Choose for cost-sensitive industrial power supplies where 1500 W surge immunity suffices and automotive qualification is unnecessary |
Compared with SMBJ58A and 1.5KE56A, the 5KP58A-E3/51 provides 3.3× higher surge power handling than 1.5KE56A and over 8× more than SMBJ58A, while maintaining AEC-Q101 compliance-making it uniquely suited for high-reliability, high-energy automotive and industrial power rail protection.
Availability
5KP58A-E3/51 is available at Aetrix Electronics and suitable for automotive ECU protection, industrial motor drive inputs, telecom power adapter outputs, and server PSU overvoltage crowbar replacement requiring stable component supply across extended production lifecycles.
Supply support for 5KP58A-E3/51 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, TVS devices, and optoelectronics with emphasis on reliability, power handling, and automotive-grade qualification.
The 5KP series was engineered specifically for high-power transient suppression in switching power supply outputs, enabling robust, non-latching overvoltage protection that replaces traditional crowbar circuits in automotive, industrial, and telecom infrastructure.
FAQ
What is the clamping voltage of the 5KP58A-E3/51 under full-rated surge current?
The 5KP58A-E3/51 has a maximum clamping voltage (VC) of 94 V at 53.4 A peak pulse current (IPPM), measured using the standard 10/1000 μs waveform. This value defines the upper voltage limit imposed on protected circuitry during a 5000 W transient event and is critical for ensuring downstream ICs remain within their absolute maximum ratings. The 5KP58A-E3/51 achieves this clamping performance while maintaining low incremental surge resistance.
Is the 5KP58A-E3/51 suitable for automotive applications?
Yes, the 5KP58A-E3/51 is AEC-Q101 qualified and rated for operating junction temperatures from –55 °C to +175 °C, making it suitable for under-hood and powertrain applications. Its P600 package supports high thermal mass mounting, and its unidirectional polarity aligns with common 12 V/24 V rail protection topologies. The 5KP58A-E3/51 meets requirements for ISO 7637-2 load dump and transient immunity testing in automotive ECUs.
What does the "E3/51" suffix indicate in 5KP58A-E3/51?
The "E3" suffix denotes RoHS-compliant, commercial-grade construction meeting JESD 201 Class 1A whisker resistance, while "/51" specifies the preferred packaging code: 500-piece bulk pack in ammo pack format. This differs from tape-and-reel variants like /54 (800-piece 13″ reel). The 5KP58A-E3/51 is not AEC-Q101 qualified-only HE3-suffixed versions carry that qualification-so design-in requires verification of end-equipment reliability requirements.
How does the 5KP58A-E3/51 differ from the 1.5KE56A in practical design use?
The 5KP58A-E3/51 delivers 5000 W peak pulse power versus 1500 W for the 1.5KE56A, supports higher surge currents (53.4 A vs. 17.4 A), and is AEC-Q101 qualified-whereas the 1.5KE56A is not. Both use P600 packages, but the 5KP58A-E3/51's tighter VBR tolerance (64.4–71.2 V) and lower clamping ratio improve margin in precision 58 V systems. The 5KP58A-E3/51 is preferred for automotive and high-reliability industrial use; the 1.5KE56A suits cost-driven, lower-energy applications.
Can the 5KP58A-E3/51 be used in bidirectional configurations?
No, the 5KP58A-E3/51 is unidirectional only, with cathode marked by a color band. It conducts only during positive overvoltage events on the cathode side relative to anode. For bidirectional protection (e.g., AC lines or data lines with ± transients), two 5KP58A-E3/51 devices must be connected in series opposition, or a dedicated bidirectional TVS such as 5KP58CA should be selected instead. Using a single 5KP58A-E3/51 in reverse-biased mode risks permanent damage due to lack of reverse avalanche capability.
5KP58A-E3/51 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- P600, Axial
- Series:
- TransZorb®
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 58V
- Voltage - Breakdown (Min):
- 64.4V
- Voltage - Clamping (Max) @ Ipp:
- 94V
- Current - Peak Pulse (10/1000µs):
- 53.4A
- 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:
- Through Hole
- Supplier Device Package:
- P600
5KP58A-E3/51 FAQ
1.How can I place an order for 5KP58A-E3/51 through Aetrix?
Please submit a Request for Quotation (RFQ) for 5KP58A-E3/51 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 5KP58A-E3/51 reliable?
The price and inventory of 5KP58A-E3/51 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5KP58A-E3/51 is usually 5 days.
3.What payment methods are accepted for 5KP58A-E3/51?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KP58A-E3/51 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5KP58A-E3/51?
5KP58A-E3/51 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5KP58A-E3/51 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 5KP58A-E3/51?
For technical support, including 5KP58A-E3/51 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KP58A-E3/51 requirements.
6.How does Aetrix verify that 5KP58A-E3/51 is sourced from the original manufacturer or authorized distributors?
All 5KP58A-E3/51 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 5KP58A-E3/51 meets industry standards.
7.What is the process for return or replacement of 5KP58A-E3/51?
All 5KP58A-E3/51 units undergo pre-shipment inspection (PSI). If there is an issue with 5KP58A-E3/51, 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 5KP58A-E3/51 part is unused and in its original packaging.
Return procedure for 5KP58A-E3/51:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5KP58A-E3/51 Tags

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