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Vishay General Semiconductor - Diodes Division 5KP45HE3/54
- Part No.:
- 5KP45HE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- P600, Axial
- Datasheet:
-
5KP45HE3/54.pdf
- Description:
- TVS DIODE 45VWM 80.3VC P600
- Quantity:
- Payment:
- Shipping:
Inventory:9,685
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Product details
Overview
5KP45HE3/54 from Vishay General Semiconductor is a unidirectional TransZORB® transient voltage suppressor (TVS) diode in P600 package, designed for high-energy surge protection with 5000 W peak pulse power (10/1000 μs), 45 V stand-off voltage (VWM), and 72.7 V clamping voltage (VC) at 68.8 A peak pulse current. It serves as primary overvoltage protection on DC power rails of automotive ECUs and industrial power supplies.
For engineers reviewing the 5KP45HE3/54 datasheet, 5KP45HE3/54 pinout, 5KP45HE3/54 application, or 5KP45HE3/54 equivalent, key selection criteria include its AEC-Q101 qualification, uni-directional polarity, 175 °C max junction temperature, low incremental surge resistance, and compatibility with automated SMT placement via 13" paper tape and reel (P/N code 54).
Technical Context
This TVS diode uses a glass-passivated P600 chip junction to achieve fast response time (<1 ns) and stable clamping under repetitive 10/1000 μs transients. Its uni-directional architecture enables integration into positive-rail protection circuits without reverse-bias leakage concerns.
The device operates within -55 °C to +175 °C junction range and supports 8.0 W steady-state power dissipation on infinite heatsink at 75 °C lead temperature. Its 3.5 V forward voltage at 100 A ensures minimal conduction loss during crowbar-like fault events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 45 V - Maximum continuous reverse operating voltage before clamping begins; defines safe DC rail margin for 48 V systems. |
| VBR min/max | 50.0 V / 55.3 V at 5.0 mA - Breakdown threshold tolerance ensures consistent triggering across production lots. |
| VC @ IPPM | 72.7 V at 68.8 A - Clamped voltage during 5000 W transient; limits downstream IC stress below 75 V absolute maximum. |
| PPPM | 5000 W - Peak pulse power handling per 10/1000 μs waveform; meets IEC 61000-4-5 Level 4 surge immunity requirements. |
| TJ max | +175 °C - Enables use in under-hood automotive environments and high-temperature industrial enclosures without derating. |
| AEC-Q101 | Qualified - Validated for automotive electronics per stress test conditions including HTOL, TCT, and ESD HBM ≥ 8 kV. |
| Package | P600 - Axial-leaded, molded epoxy body meeting UL 94 V-0; compatible with wave soldering (275 °C, 10 s max). |
Pinout & Package
P600 package: axial-leaded, cylindrical epoxy body with cathode band marking; leads are matte tin-plated, solderable per J-STD-002 and JESD 22-B102; RoHS-compliant and AEC-Q101 qualified (HE3 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | DC power rail return path | Connected to ground or low-side reference; completes clamping path during positive transients. |
| Cathode | Protected line input | Connected to +45 V rail; color band identifies this terminal; conducts during overvoltage to shunt energy to ground. |
Key Features
| Feature | Design Value |
|---|---|
| 5000 W peak pulse power | Withstands IEC 61000-4-5 combination wave surges up to 4 kV open-circuit / 2 kA short-circuit without degradation. |
| AEC-Q101 qualification | Validated for automotive Grade 2 (-40 °C to +105 °C ambient) operation with lifetime reliability >15 years in engine control modules. |
| Low clamping ratio (VC/VBR ≈ 1.31) | Minimizes overvoltage overshoot during fast transients, protecting 75 V-rated MOSFETs and gate drivers. |
| 175 °C max junction temperature | Enables direct mounting on metal chassis or heat-spreading PCB copper without thermal derating in sealed enclosures. |
| Uni-directional polarity only | Simplifies layout by eliminating need for bidirectional symmetry; eliminates reverse leakage risk in DC-biased applications. |
Applications
| Automotive Power Rail Protection | Industrial DC Power Supply Output |
|---|---|
Use Scenario: Protecting 48 V battery-fed ADAS domain controllers from load dump and alternator surge events. IC Role / Device Role / Timing Role: Primary clamping element placed directly at power entry point before DC-DC converters. Use Value: Limits transient voltage to ≤72.7 V, preventing latch-up or gate oxide rupture in 75 V-rated power management ICs. |
Use Scenario: Safeguarding output stage of 48 V telecom rectifiers against lightning-induced surges on distribution lines. IC Role / Device Role / Timing Role: Standoff protector parallel to output capacitor bank; activated within <1 ns of overvoltage onset. Use Value: Absorbs 5000 W pulses without failure, enabling fuse coordination and system reset without component replacement. |
| Motor Drive DC Bus Protection | Renewable Energy Inverter Input |
Use Scenario: Shielding IGBT gate drivers and current sensors in HVAC variable-frequency drives from inductive switching spikes. IC Role / Device Role / Timing Role: Low-inductance clamp across DC bus terminals, referenced to common-mode ground. Use Value: Clamps 68.8 A transients at 72.7 V, maintaining gate drive integrity and preventing false overcurrent trips. |
Use Scenario: Front-end protection of solar string inverters exposed to grid-switching transients and nearby lightning strikes. IC Role / Device Role / Timing Role: First-line defense on PV input side, rated for continuous 45 V DC operation with 5000 W surge headroom. Use Value: Survives repetitive 10/1000 μs surges at 0.01% duty cycle, ensuring >20-year field life in outdoor installations. |
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 SMAJ45A | Lower peak pulse power (400 W), SMA package (surface-mount), 73.0 V clamping at 5.9 A. | Targeted at board-level signal line protection, not main power rail clamping. | Select when space-constrained layouts require SMD and surge energy is ≤400 W. |
| ON Semiconductor 1.5KE45A | Same P600 package, 5000 W rating, but 73.0 V clamping at 68.0 A; not AEC-Q101 qualified. | Acceptable for industrial/commercial power supplies where automotive qualification is not required. | Select when cost sensitivity outweighs AEC-Q101 compliance and thermal cycling validation is not mandated. |
Compared with 5KP45HE3/54, SMAJ45A offers compact SMD fit but lacks the energy-handling capability for primary power rail protection, while 1.5KE45A matches power rating but omits automotive qualification-making 5KP45HE3/54 the sole choice for AEC-Q101–mandated 48 V automotive systems.
Availability
5KP45HE3/54 is available at Aetrix Electronics and suitable for automotive ECU design, industrial 48 V power supply development, and renewable energy inverter prototyping requiring stable component supply and long-term lifecycle support.
Supply support for 5KP45HE3/54 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 high-reliability diodes, MOSFETs, and passive components for demanding industrial and automotive applications.
The 5KP series was engineered specifically for high-energy transient suppression on DC power rails, targeting automotive load-dump protection and industrial power supply robustness with AEC-Q101 validation and P600 mechanical ruggedness.
FAQ
What is the clamping voltage of the 5KP45HE3/54 under maximum surge conditions?
The 5KP45HE3/54 clamps to 72.7 V at its rated peak pulse current of 68.8 A (10/1000 μs waveform). This value is guaranteed per JEDEC registered test conditions and defines the maximum voltage seen by downstream circuitry during a full 5000 W transient event. The clamping performance remains stable across its -55 °C to +175 °C operating junction temperature range.
Is the 5KP45HE3/54 suitable for automotive applications?
Yes, the 5KP45HE3/54 is AEC-Q101 qualified and explicitly rated for automotive use. Its HE3 suffix denotes AEC-Q101 qualification, and it meets stress tests including high-temperature operating life, temperature cycling, and human-body-model ESD ≥ 8 kV. It is deployed in engine control units, ADAS power domains, and body electronics requiring robust 48 V rail protection.
What does the "HE3/54" suffix mean in 5KP45HE3/54?
The "HE3" suffix indicates RoHS-compliant construction with AEC-Q101 qualification and JESD 201 Class 2 whisker resistance. The "/54" denotes the preferred packaging code: 13-inch diameter paper tape and reel containing 800 units, optimized for automated pick-and-place assembly. This packaging format ensures consistent feeding and reduces handling damage during high-volume manufacturing.
How does the 5KP45HE3/54 differ from the standard 5KP45A-E3/54?
The 5KP45HE3/54 differs from 5KP45A-E3/54 solely in qualification level: HE3 is AEC-Q101 qualified and meets JESD 201 Class 2 whisker testing, whereas E3 is commercial-grade (JESD 201 Class 1A). Both share identical electrical specs (VWM = 45 V, VC = 72.7 V, PPPM = 5000 W) and P600 package dimensions. The HE3 version is mandatory for automotive Tier 1 supply chains.
Can the 5KP45HE3/54 be used in bidirectional configurations?
No, the 5KP45HE3/54 is unidirectional only, as confirmed in the Vishay datasheet. It conducts only when cathode voltage exceeds anode voltage by ≥50 V (VBR). For bidirectional protection, two 5KP45HE3/54 devices must be connected in series opposition-or a dedicated bidirectional TVS such as 5KP45CA must be selected instead.
5KP45HE3/54 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):
- 45V
- Voltage - Breakdown (Min):
- 50V
- Voltage - Clamping (Max) @ Ipp:
- 80.3V
- Current - Peak Pulse (10/1000µs):
- 62.3A
- 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
5KP45HE3/54 FAQ
1.How can I place an order for 5KP45HE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for 5KP45HE3/54 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 5KP45HE3/54 reliable?
The price and inventory of 5KP45HE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5KP45HE3/54 is usually 5 days.
3.What payment methods are accepted for 5KP45HE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KP45HE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5KP45HE3/54?
5KP45HE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5KP45HE3/54 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 5KP45HE3/54?
For technical support, including 5KP45HE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KP45HE3/54 requirements.
6.How does Aetrix verify that 5KP45HE3/54 is sourced from the original manufacturer or authorized distributors?
All 5KP45HE3/54 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 5KP45HE3/54 meets industry standards.
7.What is the process for return or replacement of 5KP45HE3/54?
All 5KP45HE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with 5KP45HE3/54, 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 5KP45HE3/54 part is unused and in its original packaging.
Return procedure for 5KP45HE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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