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Vishay General Semiconductor - Diodes Division 5KP8.0A-E3/54
- Part No.:
- 5KP8.0A-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- P600, Axial
- Datasheet:
-
5KP8.0A-E3/54.pdf
- Description:
- TVS DIODE 8VWM 13.6VC P600
- Quantity:
- Payment:
- Shipping:
Inventory:7,977
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Product details
Overview
5KP8.0A-E3/54 from Vishay General Semiconductor is a unidirectional TransZORB® transient voltage suppressor (TVS) diode in P600 package, designed for high-energy surge clamping on power rails and signal lines. It features 5000 W peak pulse power (10/1000 μs), 8.0 V stand-off voltage (VWM), 13.6 V maximum clamping voltage at 368 A peak pulse current, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the 5KP8.0A-E3/54 datasheet, 5KP8.0A-E3/54 pinout, 5KP8.0A-E3/54 application, or 5KP8.0A-E3/54 equivalent, key selection criteria include clamping voltage margin vs. protected IC VDD, unidirectional polarity compatibility with DC-biased rails, P600 thermal dissipation capability, and compliance with IEC 61000-4-5 Level 4 surge immunity requirements.
Technical Context
The 5KP8.0A-E3/54 operates as a silicon avalanche diode with glass-passivated P600 junction, triggering when reverse voltage exceeds its 8.89–9.83 V breakdown range (IT = 5.0 mA). Its low incremental surge resistance ensures stable clamping under 10/1000 μs transients, while fast response time (<1 ns) limits voltage overshoot during ESD or lightning-induced surges.
Designed for single-polarity DC protection, it conducts only in reverse breakdown - not forward conduction - and requires no bias circuitry. Its 175 °C max junction temperature and 8.0 W steady-state power dissipation support operation in thermally constrained automotive engine control units and industrial power supplies without active cooling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 8.0 V - Maximum continuous reverse operating voltage before leakage exceeds 150 μA; sets upper limit for protected rail voltage. |
| VBR min/max | 8.89 V / 9.83 V at 5.0 mA - Confirmed breakdown threshold range; defines minimum trigger point for surge suppression. |
| VC @ IPPM | 13.6 V at 368 A - Clamped voltage during 5000 W transient; must remain below protected device absolute maximum rating. |
| PPPM | 5000 W - Peak pulse power handling per 10/1000 μs waveform; enables robust protection against IEC 61000-4-5 surges. |
| IFSM | 600 A - Non-repetitive forward surge current rating; supports crowbar-style fault clearing in power supply outputs. |
| TJ max | 175 °C - Maximum junction temperature; allows operation in under-hood automotive environments without derating. |
| Polarity | Unidirectional - Requires cathode-to-rail orientation; suitable only for DC-biased or ground-referenced lines. |
Pinout & Package
Package: P600 molded epoxy case with matte tin-plated leads; UL 94 V-0 rated; RoHS-compliant (E3 suffix); cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection | Connected to system ground or lowest potential node; carries full surge return current. |
| Cathode | High-side connection | Connected to protected line (e.g., +8 V rail); blocks normal operation but avalanches during overvoltage. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control, body electronics, and ADAS power domains. |
| 5000 W peak pulse power | Withstands 4 kV/2 kA IEC 61000-4-5 combination wave surges without degradation. |
| Low clamping ratio (VC/VWM = 1.7) | Minimizes overvoltage stress on downstream MOSFETs, regulators, and microcontrollers. |
| Fast response time (<1 ns) | Clamps before transient energy couples into sensitive analog or digital circuitry. |
| P600 thermal mass | Enables 8.0 W power dissipation at TL = 75 °C with minimal heatsinking in PCB-mount applications. |
Applications
| Automotive Power Rail Protection | Industrial DC Power Supply Output |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump transients up to 35 V and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional TVS placed between VBAT and chassis ground to clamp positive-going surges. Use Value: Limits voltage to ≤13.6 V during 5000 W transients, preventing damage to 16 V-rated LDOs and CAN transceivers. | Use Scenario: Safeguarding 5–24 V switching power supply outputs against inductive kickback and hot-swap events. IC Role / Device Role / Timing Role: Crowbar replacement across output rail and ground; triggers short-circuit to trip upstream breaker/fuse. Use Value: Withstands 600 A non-repetitive forward surge (8.3 ms half-sine), enabling safe fault clearing without device failure. |
| Telecom Line Interface Protection | Consumer Equipment DC Input Protection |
Use Scenario: Shielding RS-485 transceiver power pins from induced surges on long cable runs in building automation networks. IC Role / Device Role / Timing Role: Secondary protection stage after gas discharge tube (GDT), clamping residual energy after GDT fires. Use Value: 13.6 V clamping voltage ensures protected transceiver (e.g., THVD1550) remains within 16 V absolute max rating. | Use Scenario: Hardening USB-C PD input stages and external DC jack inputs in smart home hubs against user-induced plug-in surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on 5 V/9 V/12 V input rail, placed before buck converter and USB controller. Use Value: 8.0 V VWM provides 0.5 V margin above nominal 7.5 V USB-PD PPS minimum, ensuring no false triggering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ8.0A | Lower peak power (600 W), smaller SMB package, same VWM and VC specs. | Suitable for lower-energy surges (IEC 61000-4-2 ESD only); insufficient for IEC 61000-4-5. | Select SMBJ8.0A only when board space is critical and surge threat level is limited to ESD or low-energy switching noise. |
| 1.5KE8.0A | Same P600 package and 5000 W rating, but higher VC (14.5 V) and wider VBR tolerance (±10 %). | Less precise clamping margin; may exceed protected IC's absolute max rating in tight-margin designs. | Choose 1.5KE8.0A only if cost is primary constraint and clamping voltage margin ≥1.5 V is available. |
Compared with SMBJ8.0A and 1.5KE8.0A, the 5KP8.0A-E3/54 delivers tighter VBR tolerance (±5 %), lower clamping voltage (13.6 V vs. 14.5 V), and AEC-Q101 qualification - making it the preferred choice for automotive and industrial systems requiring validated reliability and precise overvoltage control.
Availability
5KP8.0A-E3/54 is available at Aetrix Electronics and suitable for automotive power rail protection, industrial DC power supply output hardening, and telecom line interface surge suppression requiring stable component supply and traceable sourcing.
Supply support for 5KP8.0A-E3/54 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, MOSFETs, and protection devices with emphasis on high-reliability and automotive-qualified components.
The 5KP series was engineered specifically for high-power transient suppression in automotive and industrial power systems, targeting replacement of traditional crowbar circuits with robust, self-resetting silicon-based protection.
FAQ
What is the clamping voltage of the 5KP8.0A-E3/54 under maximum surge conditions?
The 5KP8.0A-E3/54 exhibits a maximum clamping voltage (VC) of 13.6 V when subjected to its rated peak pulse current of 368 A (10/1000 μs waveform). This value is measured per JEDEC test conditions and guarantees that protected downstream circuitry will not experience voltages exceeding 13.6 V during a full 5000 W transient event. The 5KP8.0A-E3/54 maintains this clamping performance across its specified operating temperature range.
Is the 5KP8.0A-E3/54 suitable for bidirectional signal line protection?
No, the 5KP8.0A-E3/54 is unidirectional only, with polarity marked by a cathode band. It conducts only during reverse overvoltage events and offers no protection against negative-going transients. For bidirectional protection (e.g., RS-485 data lines), a symmetric device such as the 5KP8.0CA or paired unidirectional TVS array is required. Using the 5KP8.0A-E3/54 on AC or bipolar signals risks forward conduction and failure.
Does the 5KP8.0A-E3/54 require a heatsink in typical PCB applications?
In most PCB-mounted applications, the 5KP8.0A-E3/54 does not require an external heatsink due to its P600 package thermal mass and 8.0 W steady-state power dissipation rating at TL = 75 °C. However, for repeated surge events or ambient temperatures above 75 °C, copper pour area ≥1 in² (6.5 cm²) connected to both leads is recommended to maintain junction temperature below 175 °C. The 5KP8.0A-E3/54 datasheet Fig. 5 provides exact derating curves.
What is the meaning of the "E3/54" suffix in 5KP8.0A-E3/54?
The "E3" suffix indicates RoHS-compliant, commercial-grade construction with JESD 201 Class 1A whisker resistance; "/54" denotes the preferred packaging code for 13-inch paper tape and reel, with 800 units per reel. This ordering format ensures consistent moisture sensitivity level (MSL) handling and automated placement compatibility. The 5KP8.0A-E3/54 is distinct from the AEC-Q101-qualified "HE3" variant, which carries additional automotive qualification testing.
How does the 5KP8.0A-E3/54 compare to standard Zener diodes for overvoltage protection?
Unlike general-purpose Zener diodes, the 5KP8.0A-E3/54 is optimized for high-energy transient suppression: it handles 5000 W peak pulses (vs. <1 W for typical Zeners), features low dynamic impedance for stable clamping, and is tested to AEC-Q101 for automotive durability. Standard Zeners lack surge-rated construction and would fail catastrophically under the same 10/1000 μs waveform. The 5KP8.0A-E3/54 is purpose-built for surge immunity - not regulation - and must be applied accordingly.
5KP8.0A-E3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- P600, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8V
- Voltage - Breakdown (Min):
- 8.89V
- Voltage - Clamping (Max) @ Ipp:
- 13.6V
- Current - Peak Pulse (10/1000µs):
- 368A
- 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
5KP8.0A-E3/54 FAQ
1.How can I place an order for 5KP8.0A-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for 5KP8.0A-E3/54 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 5KP8.0A-E3/54 reliable?
The price and inventory of 5KP8.0A-E3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5KP8.0A-E3/54 is usually 5 days.
3.What payment methods are accepted for 5KP8.0A-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KP8.0A-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5KP8.0A-E3/54?
5KP8.0A-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5KP8.0A-E3/54 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 5KP8.0A-E3/54?
For technical support, including 5KP8.0A-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KP8.0A-E3/54 requirements.
6.How does Aetrix verify that 5KP8.0A-E3/54 is sourced from the original manufacturer or authorized distributors?
All 5KP8.0A-E3/54 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 5KP8.0A-E3/54 meets industry standards.
7.What is the process for return or replacement of 5KP8.0A-E3/54?
All 5KP8.0A-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with 5KP8.0A-E3/54, 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 5KP8.0A-E3/54 part is unused and in its original packaging.
Return procedure for 5KP8.0A-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5KP8.0A-E3/54 Tags
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