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Vishay General Semiconductor - Diodes Division 5KP26AHE3_A/C
- Part No.:
- 5KP26AHE3_A/C
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- P600, Axial
- Datasheet:
-
5KP26AHE3_A/C.pdf
- Description:
- TVS DIODE
- Quantity:
- Payment:
- Shipping:
Inventory:9,886
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Product details
Overview
5KP26AHE3_A/C from Vishay General Semiconductor is a unidirectional 5000 W transient voltage suppressor (TVS) diode in P600 package, designed for high-energy surge protection of DC power rails and signal lines. It features a 26.0 V stand-off voltage (VWM), 28.9–31.9 V breakdown voltage (VBR) at 5.0 mA, clamps to ≤42.1 V at 119 A peak pulse current (IPPM), and operates from –55 °C to +175 °C - used in automotive power supply input stages and industrial motor drive DC bus protection.
For engineers reviewing the 5KP26AHE3_A/C datasheet, 5KP26AHE3_A/C pinout, 5KP26AHE3_A/C application, or 5KP26AHE3_A/C equivalent, key selection criteria include its AEC-Q101 qualification, 5000 W 10/1000 μs pulse rating, unidirectional polarity, P600 package thermal performance, and clamping voltage margin relative to protected IC maximum ratings.
Technical Context
This TVS diode uses a glass-passivated P600 chip junction optimized for fast response (<1 ns) and low incremental surge resistance, enabling effective clamping during lightning-induced transients and inductive switching spikes. Its unidirectional structure provides forward conduction capability up to 500 A IFSM, supporting crowbar-style fault handling in power supplies.
The device is rated for 8.0 W steady-state power dissipation on an infinite heatsink at TL = 75 °C and exhibits a VBR temperature coefficient of 0.101 %/°C - critical for thermal stability in under-hood automotive environments where junction temperatures may exceed 150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 26.0 V - maximum continuous reverse operating voltage before clamping begins; sets minimum system operating margin above nominal rail. |
| VBR min/max | 28.9 V / 31.9 V at 5.0 mA - defines guaranteed breakdown threshold range; ensures predictable turn-on across production lot and temperature. |
| VC @ IPPM | ≤42.1 V at 119 A - clamping voltage under 10/1000 μs surge; determines maximum stress imposed on downstream components. |
| PPPM | 5000 W - peak pulse power handling with 10/1000 μs waveform; enables protection against IEC 61000-4-5 Level 4 surges. |
| TJ max. | +175 °C - maximum junction temperature; supports placement near heat sources in engine control units and inverters. |
| Polarity | Unidirectional - allows forward conduction; suitable for DC rail protection where reverse blocking only is insufficient. |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per AEC standard. |
Pinout & Package
Package: P600 molded epoxy case with matte tin-plated leads; meets UL 94 V-0 flammability rating and JESD 22-B102 solderability. Cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point during surge | Connected to lower-potential side (e.g., ground or return path); enables crowbar action when clamped. |
| Cathode | Reverse-biased terminal during normal operation | Connected to protected line (e.g., +24 V rail); blocks leakage until VWM exceeded, then conducts to clamp. |
Key Features
| Feature | Design Value |
|---|---|
| 5000 W peak pulse power (10/1000 μs) | Enables single-device protection against severe transients without cascaded TVS or external fusing coordination. |
| AEC-Q101 qualification | Validates robustness for automotive powertrain and body electronics applications requiring long-term field reliability. |
| Low clamping ratio (VC/VBR ≈ 1.35) | Minimizes overvoltage overshoot during surge events, reducing stress on downstream MOSFETs and controllers. |
| P600 thermal mass & lead-frame design | Supports 8.0 W continuous dissipation at TL = 75 °C, allowing direct PCB mounting without dedicated heatsinks in many cases. |
| 0.101 %/°C VBR tempco | Ensures stable clamping threshold across wide ambient ranges, critical for under-hood and industrial ambient variations. |
Applications
| Automotive Power Supply Input | Industrial Motor Drive DC Bus |
|---|---|
Use Scenario: Protection of 24 V battery-fed ECUs against load dump (ISO 7637-2 Pulse 5a) and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and input filter capacitor to clamp surges before they reach DC/DC converters. Use Value: Withstands 5000 W pulses and maintains ≤42.1 V clamping, preventing damage to 36 V-rated input stages of PMICs and microcontrollers. |
Use Scenario: Safeguarding 300–400 V DC link in variable-frequency drives from IGBT switching spikes and regenerative energy surges. IC Role / Device Role / Timing Role: Parallel-connected TVS absorbing repetitive 10/1000 μs transients induced by rapid IGBT turn-off. Use Value: 175 °C max junction temperature and AEC-Q101 qualification ensure reliability in high-temperature cabinet environments with minimal derating. |
| Telecom Power Feeds | Renewable Energy Inverter Inputs |
Use Scenario: Surge protection on -48 V DC telecom rectifier outputs exposed to lightning-induced common-mode transients on outdoor cable runs. IC Role / Device Role / Timing Role: Unidirectional TVS referenced to system ground, clamping positive excursions while blocking reverse leakage. Use Value: 2.0 μA max reverse leakage at 26.0 V VWM preserves efficiency in always-on systems; P600 package withstands repeated 5 kA surge testing. |
Use Scenario: Protecting PV string combiner box inputs from induced surges due to nearby lightning strikes on solar farm arrays. IC Role / Device Role / Timing Role: High-power TVS mounted directly at DC input terminals to divert surge energy before entering MPPT controller front-end. Use Value: 5000 W rating and 119 A IPPM handle multi-kA surge currents typical in IEC 61643-31 Class II installations without degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse SMAJ26A | Lower PPPM (400 W), SMA package (0.5 W PD), 26.0 V VWM, unidirectional | Suitable for low-energy signal-line protection; insufficient for DC bus or load dump | Select 5KP26AHE3_A/C when >1 kW surge energy must be absorbed without cascading devices. |
| ON Semiconductor 1.5KE27A | 1500 W PPPM, DO-201 package, 27.0 V VWM, unidirectional, no AEC-Q101 | Acceptable for commercial industrial use but not qualified for automotive under-hood deployment | Choose 5KP26AHE3_A/C where AEC-Q101 compliance and 5000 W capability are mandatory for OEM automotive programs. |
Compared with SMAJ26A and 1.5KE27A, the 5KP26AHE3_A/C delivers 3.3× higher pulse power than 1.5KE27A and 12.5× more than SMAJ26A, with automotive-grade qualification and P600 thermal robustness - making it the sole option for high-reliability, high-energy DC rail protection.
Availability
5KP26AHE3_A/C is available at Aetrix Electronics and suitable for automotive electronic control units, industrial motor drives, and telecom power systems requiring stable component supply and long-lifecycle availability.
Supply support for 5KP26AHE3_A/C 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 designs and manufactures discrete semiconductors including diodes, rectifiers, and TVS devices, with emphasis on high-reliability, high-power, and automotive-qualified components.
The 5KP series was developed specifically for high-energy transient suppression in automotive and industrial power systems, targeting replacement of legacy crowbar circuits with robust, surface-mount-compatible TVS solutions.
FAQ
What is the clamping voltage of the 5KP26AHE3_A/C under a 10/1000 μs surge?
The 5KP26AHE3_A/C clamps to a maximum of 42.1 V when subjected to its rated peak pulse current of 119 A with a 10/1000 μs waveform. This value is measured per JEDEC test conditions and represents the upper limit of voltage seen by downstream circuitry during surge events - critical for ensuring compatibility with 36 V-rated ICs and MOSFETs in the protected system.
Is the 5KP26AHE3_A/C suitable for automotive applications?
Yes, the 5KP26AHE3_A/C is AEC-Q101 qualified and explicitly rated for automotive use, including under-hood environments. Its –55 °C to +175 °C operating temperature range, robust P600 package, and validation across temperature cycling, HTRB, and ESD tests confirm suitability for engine control modules, body control units, and ADAS power supplies.
What does the "HE3_A/C" suffix indicate in 5KP26AHE3_A/C?
The "HE3" suffix denotes RoHS-compliant construction with AEC-Q101 qualification and JESD 201 Class 2 whisker resistance; "A/C" specifies the preferred packaging code - 13-inch paper tape and reel with 800 units per reel - as defined in Vishay's ordering information table for the 5KP series.
How does the 5KP26AHE3_A/C differ from bidirectional TVS diodes?
The 5KP26AHE3_A/C is unidirectional and conducts in forward bias like a standard diode, enabling crowbar functionality during overvoltage events. Unlike bidirectional TVS devices, it does not protect against negative-going transients on positive rails - making it ideal for DC power line protection where polarity is fixed and forward conduction is required for fault clearing.
Can the 5KP26AHE3_A/C replace older 1.5KE or P6KE series TVS diodes?
The 5KP26AHE3_A/C offers significantly higher pulse power (5000 W vs. 1500 W for 1.5KE27A or 600 W for P6KE27A) and improved thermal capability in the P600 package. While electrical parameters align closely, direct replacement requires verification of PCB pad layout, thermal relief, and system-level surge coordination - especially due to its higher IPPM and clamping energy.
5KP26AHE3_A/C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- P600, Axial
- Series:
- TransZorb®
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 26V
- Voltage - Breakdown (Min):
- 28.9V
- Voltage - Clamping (Max) @ Ipp:
- 42.1V
- Current - Peak Pulse (10/1000µs):
- 119A
- Power - Peak Pulse:
- 5000W (5kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- P600
5KP26AHE3_A/C FAQ
1.How can I place an order for 5KP26AHE3_A/C through Aetrix?
Please submit a Request for Quotation (RFQ) for 5KP26AHE3_A/C 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 5KP26AHE3_A/C reliable?
The price and inventory of 5KP26AHE3_A/C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5KP26AHE3_A/C is usually 5 days.
3.What payment methods are accepted for 5KP26AHE3_A/C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KP26AHE3_A/C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5KP26AHE3_A/C?
5KP26AHE3_A/C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5KP26AHE3_A/C 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 5KP26AHE3_A/C?
For technical support, including 5KP26AHE3_A/C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KP26AHE3_A/C requirements.
6.How does Aetrix verify that 5KP26AHE3_A/C is sourced from the original manufacturer or authorized distributors?
All 5KP26AHE3_A/C 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 5KP26AHE3_A/C meets industry standards.
7.What is the process for return or replacement of 5KP26AHE3_A/C?
All 5KP26AHE3_A/C units undergo pre-shipment inspection (PSI). If there is an issue with 5KP26AHE3_A/C, 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 5KP26AHE3_A/C part is unused and in its original packaging.
Return procedure for 5KP26AHE3_A/C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5KP26AHE3_A/C Tags
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