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Vishay General Semiconductor - Diodes Division 5KP7.5AHE3/73
- Part No.:
- 5KP7.5AHE3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- P600, Axial
- Datasheet:
-
5KP7.5AHE3/73.pdf
- Description:
- TVS DIODE 7.5VWM 12.9VC P600
- Quantity:
- Payment:
- Shipping:
Inventory:7,230
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Product details
Overview
5KP7.5AHE3/73 from Vishay General Semiconductor is a unidirectional TransZORB® transient voltage suppressor (TVS) diode in P600 package, designed for high-energy surge protection on DC power rails and signal lines. It features 5000 W peak pulse power (10/1000 μs), 7.5 V stand-off voltage (VWM), 8.33–9.21 V breakdown voltage (VBR at 5.0 mA), and clamps transients to ≤12.9 V at 388 A peak pulse current - used in automotive power supply output stages and industrial sensor interface protection.
For engineers reviewing the 5KP7.5AHE3/73 datasheet, 5KP7.5AHE3/73 pinout, 5KP7.5AHE3/73 application, or 5KP7.5AHE3/73 equivalent, this page delivers verified electrical specs, AEC-Q101 qualification status, P600 mechanical dimensions, clamping performance under 10/1000 μs surges, and direct alternatives for overvoltage protection design-in.
Technical Context
This TVS diode operates as a unidirectional clamping device with glass-passivated P-N junction, optimized for fast response (<1 ns) and low dynamic impedance during transient events. Its 5000 W peak pulse rating supports robust protection against lightning-induced surges and inductive switching spikes in automotive and industrial environments.
The device is rated for continuous operation from –55 °C to +175 °C junction temperature, with 8.0 W steady-state power dissipation on infinite heatsink and 600 A non-repetitive forward surge capability (8.3 ms half-sine). The HE3 suffix confirms AEC-Q101 qualification and JESD 201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 7.5 V - Maximum reverse working voltage before clamping begins; defines safe operating DC bias level. |
| VBR (min/max) | 8.33 V / 9.21 V at 5.0 mA - Breakdown threshold range; ensures reliable turn-on across process variation. |
| VC @ IPPM | ≤12.9 V at 388 A - Clamped voltage during 5000 W surge; determines protected circuit's maximum stress level. |
| PPPM | 5000 W (10/1000 μs) - Peak surge energy handling capacity; enables replacement of crowbar circuits in PSU outputs. |
| IFSM | 600 A (8.3 ms half-sine) - Non-repetitive forward surge rating; supports fuse/breaker coordination during overloads. |
| TJ max. | +175 °C - Maximum junction temperature; allows use in under-hood automotive and high-ambient industrial locations. |
| Leakage @ VWM | ≤250 μA - Low reverse leakage ensures minimal standby power loss in battery-backed systems. |
Pinout & Package
Package: P600 molded epoxy case with matte tin-plated leads; UL 94 V-0 rated; cathode indicated by color band. Dimensions: 9.5 mm × 8.6 mm × 13.2 mm (L × W × H); lead spacing 9.1 mm; weight 2.776 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., ground or return path) in unidirectional clamp configuration. |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., +12 V rail); color band identifies this end for correct PCB orientation. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock per JESD22. |
| 5000 W peak pulse power | Enables single-device protection against ISO 7637-2 Pulse 5a (load dump) without external crowbar circuitry. |
| Low clamping ratio (VC/VBR ≈ 1.4) | Minimizes overvoltage stress on downstream MOSFETs or ICs during surge events. |
| JESD 201 Class 2 whisker resistance | Prevents tin whisker growth under thermal cycling, critical for long-life automotive and industrial deployments. |
| RoHS-compliant HE3 suffix | Meets EU RoHS Directive 2011/65/EU and JEDEC JS709A halogen-free requirements. |
Applications
| Automotive Power Supply Output Protection | Industrial Sensor Signal Line Clamp |
|---|---|
|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump transients (ISO 7637-2 Pulse 5a) and alternator overshoot. IC Role / Device Role / Timing Role: Unidirectional TVS clamping element placed between power rail and chassis ground. Use Value: Limits transient voltage to ≤12.9 V, preventing damage to microcontrollers and CAN transceivers while enabling system reset after fuse clearing. |
Use Scenario: Shielding analog sensor outputs (e.g., pressure, temperature) from ESD and cable discharge events in factory automation. IC Role / Device Role / Timing Role: Fast-response shunt protector on differential or single-ended signal traces near connector entry points. Use Value: Sub-1 ns response and 388 A surge handling prevent latch-up or parametric shift in precision ADC front-ends. |
| Switching Power Supply Overvoltage Crowbar Replacement | Telecom DC Feeder Surge Suppression |
|
Use Scenario: Replacing SCR-based crowbar circuits in 48 V telecom PSUs to avoid latching failure and enable automatic recovery. IC Role / Device Role / Timing Role: Self-resetting voltage clamp on secondary-side DC output bus. Use Value: Withstands repeated 5000 W surges without degradation, allowing breaker/fuse coordination and eliminating manual reset requirement. |
Use Scenario: Protecting PoE-powered equipment (e.g., IP cameras, wireless APs) from induced surges on 48 V DC feeder lines. IC Role / Device Role / Timing Role: Primary-level TVS on DC input stage upstream of DC/DC converters. Use Value: 7.5 V VWM matches common 5 V logic rail interfaces; 12.9 V clamping preserves integrity of downstream PMICs and Ethernet PHYs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ7.5A | Lower peak power (600 W), SMC package (smaller footprint), same VWM/VBR range. | Suitable for space-constrained consumer electronics; insufficient for automotive load dump. | Select when board area is limited and surge energy is ≤600 W (e.g., USB port ESD). |
| 1.5KE7.5A | Same P600 package and 5000 W rating, but commercial-grade (non-AEC-Q101), higher leakage (500 μA). | Lacks automotive qualification; acceptable for industrial control panels with controlled ambient. | Choose for cost-sensitive non-automotive designs where AEC-Q101 is not mandated. |
Compared with SMBJ7.5A and 1.5KE7.5A, the 5KP7.5AHE3/73 uniquely combines AEC-Q101 qualification, 5000 W surge capacity in P600, and ≤250 μA leakage - making it the only option qualified for under-hood automotive power rail protection requiring both reliability and high-energy clamping.
Availability
5KP7.5AHE3/73 is available at Aetrix Electronics and suitable for automotive ECU power protection, industrial sensor interface hardening, and telecom DC feeder surge suppression requiring stable component supply across multi-year production cycles.
Supply support for 5KP7.5AHE3/73 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 diodes, rectifiers, MOSFETs, and protection devices with emphasis on high-reliability and automotive-grade solutions.
The 5KP series was engineered specifically for high-energy transient suppression in automotive power systems and industrial switching supplies - delivering robust, self-resetting protection without crowbar complexity.
FAQ
What is the clamping voltage of the 5KP7.5AHE3/73 under maximum surge conditions?
The 5KP7.5AHE3/73 clamps to a maximum of 12.9 V when subjected to its rated 388 A peak pulse current (10/1000 μs waveform). This value is guaranteed per JEDEC test conditions and represents the upper limit of voltage seen by downstream circuitry during a full 5000 W transient event. Designers must ensure all protected components tolerate ≥12.9 V for the duration of the surge.
Is the 5KP7.5AHE3/73 suitable for bidirectional transient protection?
No, the 5KP7.5AHE3/73 is strictly unidirectional - it conducts only in reverse breakdown mode and blocks forward current above ~3.5 V. For bidirectional protection (e.g., AC lines or data buses), a pair of 5KP7.5AHE3/73 devices in series opposition or a dedicated bidirectional TVS like 5KP7.5CA would be required. The "A" suffix explicitly denotes unidirectional polarity.
How does the HE3 suffix affect the reliability of the 5KP7.5AHE3/73?
HE3 indicates AEC-Q101 qualification and JESD 201 Class 2 whisker resistance - meaning the 5KP7.5AHE3/73 has passed accelerated stress tests for automotive use, including temperature cycling, humidity bias, and mechanical shock. It also features enhanced tin-lead-free plating that resists tin whisker formation under thermal cycling, critical for 15+ year automotive deployments.
Can the 5KP7.5AHE3/73 replace a 5KP7.5A-E3 in an existing design?
Yes - the 5KP7.5AHE3/73 is a drop-in replacement for 5KP7.5A-E3 in terms of pinout, package, and electrical specs, with added AEC-Q101 qualification and Class 2 whisker resistance. No PCB layout changes are needed. However, the HE3 version is intended for automotive applications, while E3 is commercial grade; verify qualification requirements match your end-use environment.
What is the maximum operating temperature for continuous use of the 5KP7.5AHE3/73?
The 5KP7.5AHE3/73 supports continuous operation from –55 °C to +175 °C junction temperature. At ambient temperatures above 25 °C, derating applies per Figure 2 in the datasheet: power dissipation decreases linearly to zero at +175 °C. For sustained 8.0 W operation, a heatsink maintaining lead temperature ≤75 °C (TL) is required per Figure 5.
5KP7.5AHE3/73 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):
- 7.5V
- Voltage - Breakdown (Min):
- 8.33V
- Voltage - Clamping (Max) @ Ipp:
- 12.9V
- Current - Peak Pulse (10/1000µs):
- 388A
- 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
5KP7.5AHE3/73 FAQ
1.How can I place an order for 5KP7.5AHE3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for 5KP7.5AHE3/73 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 5KP7.5AHE3/73 reliable?
The price and inventory of 5KP7.5AHE3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5KP7.5AHE3/73 is usually 5 days.
3.What payment methods are accepted for 5KP7.5AHE3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KP7.5AHE3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5KP7.5AHE3/73?
5KP7.5AHE3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5KP7.5AHE3/73 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 5KP7.5AHE3/73?
For technical support, including 5KP7.5AHE3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KP7.5AHE3/73 requirements.
6.How does Aetrix verify that 5KP7.5AHE3/73 is sourced from the original manufacturer or authorized distributors?
All 5KP7.5AHE3/73 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 5KP7.5AHE3/73 meets industry standards.
7.What is the process for return or replacement of 5KP7.5AHE3/73?
All 5KP7.5AHE3/73 units undergo pre-shipment inspection (PSI). If there is an issue with 5KP7.5AHE3/73, 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 5KP7.5AHE3/73 part is unused and in its original packaging.
Return procedure for 5KP7.5AHE3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5KP7.5AHE3/73 Tags
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