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Vishay General Semiconductor - Diodes Division 5KP26HE3/73
- Part No.:
- 5KP26HE3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- P600, Axial
- Datasheet:
-
5KP26HE3/73.pdf
- Description:
- TVS DIODE 26VWM 46.6VC P600
- Quantity:
- Payment:
- Shipping:
Inventory:3,880
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Product details
Overview
5KP26HE3/73 from Vishay General Semiconductor is a unidirectional TransZORB® transient voltage suppressor (TVS) diode in P600 package, designed for high-energy surge protection of DC power lines and signal paths. It features 5000 W peak pulse power (10/1000 μs), 26 V stand-off voltage (VWM), 42.1 V maximum clamping voltage at 119 A peak pulse current, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the 5KP26HE3/73 datasheet, 5KP26HE3/73 pinout, 5KP26HE3/73 application, or 5KP26HE3/73 equivalent, this device is selected for robust overvoltage protection in switching power supply outputs, MOSFET gate drivers, and automotive sensor interfaces where fast response (<1 ns), low clamping ratio, and high IPPM capability are critical.
Technical Context
This TVS diode uses a glass-passivated P600 chip junction optimized for repetitive 10/1000 μs surge waveforms at 0.01% duty cycle. Its unidirectional polarity enables integration into DC-biased circuits without reverse conduction during normal operation.
Clamping performance is defined by a low incremental surge resistance and tight VBR tolerance (28.9–31.9 V at 5.0 mA), ensuring predictable turn-on behavior under transients. Thermal derating follows JEDEC standards with TJmax = 175 °C and power dissipation rated at 8.0 W on infinite heatsink at TL = 75 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 26 V - Maximum continuous reverse operating voltage before clamping begins; sets safe DC bias margin for protected line. |
| VBR min/max | 28.9 V / 31.9 V at 5.0 mA - Breakdown voltage range defining precise turn-on threshold under standardized test conditions. |
| VC | 42.1 V at 119 A - Maximum clamped voltage during 10/1000 μs surge; determines worst-case stress on downstream components. |
| PPPM | 5000 W - Peak pulse power handling capacity; supports high-energy lightning or inductive-switching transients. |
| IPPM | 119 A - Peak pulse current corresponding to VC; defines minimum surge current survivability per waveform. |
| TJmax | 175 °C - Maximum junction temperature; enables operation in under-hood automotive environments with thermal margin. |
| AEC-Q101 | Qualified - Meets stress-test requirements for automotive electronics, including temperature cycling, HTRB, and ESD. |
Pinout & Package
Package: P600 molded epoxy body with matte tin-plated leads; RoHS-compliant, UL 94 V-0 rated; cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point during clamping | Connected to lower-potential side (e.g., ground or return path) in unidirectional configuration. |
| Cathode | Reverse-biased terminal during normal operation | Connected to protected line (e.g., +24 V rail); color band identifies this terminal for correct PCB orientation. |
Key Features
| Feature | Design Value |
|---|---|
| 5000 W peak pulse power (10/1000 μs) | Enables protection against high-energy surges such as ISO 7637-2 Pulse 5a without degradation across 1000+ events. |
| Fast response time (<1 ns) | Clamps transients before sensitive ICs (e.g., microcontrollers or gate drivers) experience overstress or latch-up. |
| Low incremental surge resistance | Minimizes VC rise under high di/dt, improving clamping efficiency and reducing voltage overshoot on protected nodes. |
| AEC-Q101 qualification | Validates reliability for automotive powertrain and body electronics applications requiring extended temperature and life-cycle validation. |
| P600 package with JESD 22-B106 solderability | Supports automated assembly at 275 °C for 10 s; robust mechanical form factor suitable for high-vibration environments. |
Applications
| Automotive Power Supply Protection | Industrial Motor Drive DC Bus |
|---|---|
|
Use Scenario: Protecting 24 V battery-fed ECUs from load-dump transients (ISO 7637-2 Pulse 5a) and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and ground, clamping surges within nanoseconds. Use Value: Limits voltage to ≤42.1 V during 119 A transients, preventing damage to MCU power inputs and CAN transceivers. |
Use Scenario: Safeguarding IGBT gate drivers and bus voltage monitors in variable-frequency drives exposed to inductive kickback. IC Role / Device Role / Timing Role: Standoff-rated TVS connected across DC link capacitor terminals to absorb switching-induced spikes. Use Value: Withstands 5000 W pulses without degradation, enabling system-level surge immunity compliant with IEC 61800-3. |
| Telecom DC Feeder Line | Consumer PSU Output Stage |
|
Use Scenario: Shielding PoE-powered equipment (e.g., IP cameras) from induced surges on 48 V DC feed lines. IC Role / Device Role / Timing Role: Primary overvoltage clamp on secondary-side output, coordinated with upstream fusing. Use Value: Clamps to 42.1 V at full 119 A rating, preserving 48 V nominal operation while meeting GR-1089-CORE Level 3 surge requirements. |
Use Scenario: Replacing crowbar circuits in AC/DC adapters to prevent catastrophic failure during output short-circuit events. IC Role / Device Role / Timing Role: Fast-acting shunt element that diverts surge energy to ground before fuse interruption. Use Value: Enables resettable protection architecture-user replaces fuse and resumes operation after transient clearance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ26A-E3/52 | Lower peak power (600 W), smaller SMB package, same VWM (26 V), higher VC (42.8 V at 13.9 A) | Suitable for space-constrained consumer electronics but insufficient for automotive load-dump or industrial motor drive surges. | Select when board area is limited and surge energy is ≤600 W; not a drop-in replacement for 5KP26HE3/73 in high-power systems. |
| 1.5KE27A | Same VWM (27 V), lower PPPM (1500 W), DO-201 package, non-AEC-Q101 qualified | Lacks automotive qualification and thermal robustness; used in commercial-grade power supplies only. | Choose for cost-sensitive industrial controls where AEC-Q101 and 5000 W rating are not required. |
Compared with SMBJ26A-E3/52 and 1.5KE27A, the 5KP26HE3/73 delivers 3.3× and 3.3× higher peak pulse power respectively, maintains AEC-Q101 compliance, and supports higher thermal mass mounting-making it uniquely suited for automotive and heavy-duty industrial surge protection where sustained energy absorption is mandatory.
Availability
5KP26HE3/73 is available at Aetrix Electronics and suitable for automotive ECU design, industrial motor drive development, and telecom DC feeder protection requiring stable component supply across long production lifecycles.
Supply support for 5KP26HE3/73 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 high-reliability diodes, rectifiers, and protection devices for automotive, industrial, and computing markets.
The 5KP series was engineered specifically for high-energy transient suppression in DC power distribution networks, targeting applications where traditional crowbar circuits are impractical due to reset limitations and component count.
FAQ
What is the clamping voltage of the 5KP26HE3/73 under maximum surge conditions?
The 5KP26HE3/73 has a maximum clamping voltage (VC) of 42.1 V when subjected to its rated peak pulse current of 119 A using a 10/1000 μs waveform. This value is measured per JEDEC standards and ensures downstream components see no more than 42.1 V during worst-case transient events, directly supporting design margin calculations for 24 V systems.
Is the 5KP26HE3/73 suitable for automotive applications?
Yes, the 5KP26HE3/73 is AEC-Q101 qualified and explicitly rated for automotive use. Its P600 package, 175 °C maximum junction temperature, and validated performance under temperature cycling and humidity testing make it appropriate for engine control units, body control modules, and ADAS power supplies where reliability under harsh environmental stress is mandatory.
How does the 5KP26HE3/73 differ from standard Zener diodes?
Unlike general-purpose Zener diodes, the 5KP26HE3/73 is optimized for transient suppression-not regulation. It features a much higher peak pulse power rating (5000 W vs. typically <5 W), faster response (<1 ns vs. ~100 ns), and a ruggedized P600 package built for surge energy absorption rather than steady-state voltage reference. Its VBR tolerance and clamping behavior are specified for transient waveforms, not DC bias conditions.
What is the meaning of the 'HE3' suffix in 5KP26HE3/73?
The 'HE3' suffix in 5KP26HE3/73 indicates RoHS-compliant construction with AEC-Q101 qualification and JESD 201 Class 2 whisker resistance. The 'H' denotes automotive qualification, 'E3' confirms lead-free matte tin plating and compliance with JEDEC whisker testing standards-critical for long-term reliability in vibration-prone automotive assemblies.
Can the 5KP26HE3/73 be used in bidirectional configurations?
No, the 5KP26HE3/73 is unidirectional only, as confirmed in the Vishay datasheet. It conducts in reverse breakdown to clamp positive transients on the cathode side but does not protect against negative-going surges. For bidirectional protection, two 5KP26HE3/73 devices must be connected in series opposition, or a dedicated bidirectional TVS (e.g., 5KP26CA) should be selected instead.
5KP26HE3/73 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- P600, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Box (TB)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 26V
- Voltage - Breakdown (Min):
- 28.9V
- Voltage - Clamping (Max) @ Ipp:
- 46.6V
- Current - Peak Pulse (10/1000µs):
- 107A
- Power - Peak Pulse:
- 5000W (5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- P600
5KP26HE3/73 FAQ
1.How can I place an order for 5KP26HE3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for 5KP26HE3/73 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 5KP26HE3/73 reliable?
The price and inventory of 5KP26HE3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5KP26HE3/73 is usually 5 days.
3.What payment methods are accepted for 5KP26HE3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KP26HE3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5KP26HE3/73?
5KP26HE3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5KP26HE3/73 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 5KP26HE3/73?
For technical support, including 5KP26HE3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KP26HE3/73 requirements.
6.How does Aetrix verify that 5KP26HE3/73 is sourced from the original manufacturer or authorized distributors?
All 5KP26HE3/73 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 5KP26HE3/73 meets industry standards.
7.What is the process for return or replacement of 5KP26HE3/73?
All 5KP26HE3/73 units undergo pre-shipment inspection (PSI). If there is an issue with 5KP26HE3/73, 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 5KP26HE3/73 part is unused and in its original packaging.
Return procedure for 5KP26HE3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5KP26HE3/73 Tags
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