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Vishay General Semiconductor - Diodes Division 5KP75-E3/73
- Part No.:
- 5KP75-E3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- P600, Axial
- Datasheet:
-
5KP75-E3/73.pdf
- Description:
- TVS DIODE 75VWM 134VC P600
- Quantity:
- Payment:
- Shipping:
Inventory:2,298
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Product details
Overview
5KP75-E3/73 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), 75 V stand-off voltage (VWM), and 121 V clamping voltage (VC) at 41.3 A peak pulse current. It protects MOSFETs, ICs, and sensor signal lines in automotive and industrial power supplies.
For engineers reviewing the 5KP75-E3/73 datasheet, 5KP75-E3/73 pinout, 5KP75-E3/73 application, or 5KP75-E3/73 equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, 175 °C max junction temperature, RoHS-compliant matte tin leads, and P600 package thermal derating per Fig. 5.
Technical Context
This TVS diode uses a glass-passivated P600 chip junction optimized for fast response (<1 ns) and low incremental surge resistance to clamp transients induced by inductive load switching or lightning surges. Its breakdown voltage (VBR) is 83.3–92.1 V at 5.0 mA test current, ensuring reliable triggering above 75 V operating voltage.
The device operates across -55 °C to +175 °C, supports 600 A non-repetitive forward surge current (8.3 ms half-sine), and maintains stable clamping performance under repetitive 0.01% duty cycle pulses - critical for resettable overvoltage protection in switching power supply outputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 75 V - Maximum continuous reverse operating voltage before conduction begins; sets system-level DC bus or rail protection threshold. |
| VBR (min/max) | 83.3 V / 92.1 V at 5.0 mA - Ensures consistent avalanche turn-on margin above VWM, minimizing false triggering. |
| VC @ IPPM | 121 V at 41.3 A - Clamped voltage during 5000 W transient; defines maximum stress imposed on downstream components. |
| PPPM | 5000 W (10/1000 μs) - Peak surge energy handling capacity; enables replacement of crowbar circuits in PSU output stages. |
| TJ max | +175 °C - High-temperature capability supports under-hood automotive and industrial environments without thermal shutdown. |
| Polarity | Unidirectional - Cathode marked by color band; suitable for DC-biased rails where reverse conduction must be blocked. |
Pinout & Package
Package: P600 molded epoxy case with matte tin-plated leads; UL 94 V-0 rated; lead temperature rating 275 °C (10 s); JESD 201 Class 1A whisker tested (E3 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Surge return path | Connected to ground or low-side reference; completes clamping loop during transient events. |
| Cathode | Protected line connection / Surge sink node | Connected to the line being protected (e.g., 75 V rail); color band identifies this terminal. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock - required for engine control and ADAS power rails. |
| 5000 W peak pulse power | Enables single-device protection against IEC 61000-4-5 Level 4 (4 kV/2 Ω) surges without cascaded TVS staging. |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (e.g., <100 ns), improving protection margin for sensitive gate drivers. |
| 175 °C junction rating | Permits operation in high-ambient environments (e.g., near power inductors or heatsinks) without derating below full power. |
Applications
| Automotive Power Supply Output | Industrial PLC Digital I/O Protection |
|---|---|
Use Scenario: Protecting 75 V auxiliary power rail in vehicle infotainment head units against load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between rail and chassis ground to shunt surge energy away from DC-DC controllers and microcontrollers. Use Value: Withstands 5000 W surges while limiting clamped voltage to 121 V - preserving 100 V-rated input capacitors and avoiding latch-up in downstream PMICs. | Use Scenario: Shielding 24–75 V digital input channels in programmable logic controllers from field-wiring induced transients. IC Role / Device Role / Timing Role: Standoff protector on each channel's input node, triggered only during >83.3 V transients to avoid interference with normal logic-level signaling. Use Value: 2.0 μA max leakage at 75 V ensures minimal impact on input threshold detection; AEC-Q101 qualification guarantees long-term stability in factory-floor vibration environments. |
| Switching Power Supply Crowbar Replacement | Sensor Signal Line Protection |
Use Scenario: Replacing thyristor-based crowbar circuits on 75 V output of telecom rectifiers to enable automatic recovery after overvoltage events. IC Role / Device Role / Timing Role: Fast-acting voltage clamp that conducts only during overvoltage, allowing fuse/breaker time to clear fault while preserving system uptime. Use Value: 41.3 A peak pulse current rating and 121 V clamping ensure safe energy dissipation without destructive failure - enabling "fuse-and-recover" architecture. | Use Scenario: Safeguarding analog output lines of pressure/temperature sensors in HVAC systems exposed to nearby motor switching noise. IC Role / Device Role / Timing Role: Low-capacitance (typ. <100 pF) unidirectional clamp on signal path to ground, suppressing EFT bursts without attenuating 0–5 V DC signals. Use Value: 75 V VWM avoids loading of nominal 48 V sensor excitation rails; 121 V VC prevents op-amp input stage damage during 1 kV ESD events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ75A-E3/52 | Lower peak power (600 W), smaller SMB package, same 75 V VWM and unidirectional polarity. | Not suitable for IEC 61000-4-5 Level 4; limited to board-level ESD/EFT on low-energy signal lines. | Select when space-constrained layouts require SMT mounting and surge energy is ≤600 W. |
| 1.5KE75A | Same 75 V VWM, 1500 W PPPM, DO-201 package; no AEC-Q101 qualification. | Lacks automotive qualification and thermal robustness; lower IPPM (22.5 A) and higher VC (127 V). | Select for cost-sensitive industrial controls where AEC-Q101 is not mandated and 5000 W rating is unnecessary. |
Compared with SMBJ75A-E3/52 and 1.5KE75A, the 5KP75-E3/73 delivers 3.3× and 3.3× higher peak pulse power respectively, supports automotive deployment via AEC-Q101, and maintains lower clamping voltage under high-current transients - making it the only option for demanding 75 V DC bus protection in harsh environments.
Availability
5KP75-E3/73 is available at Aetrix Electronics and suitable for automotive power supply outputs, industrial PLC I/O modules, switching power supply crowbar replacement, and sensor signal line protection requiring stable component supply across extended temperature and surge stress conditions.
Supply support for 5KP75-E3/73 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 reliability, power handling, and automotive qualification.
The 5KP series was engineered specifically for high-energy transient suppression in switching power supply outputs and automotive electrical systems - delivering robust, resettable overvoltage protection without sacrificial fusing.
FAQ
What is the clamping voltage of the 5KP75-E3/73 under maximum surge conditions?
The 5KP75-E3/73 has a maximum clamping voltage (VC) of 121 V at its rated peak pulse current (IPPM) of 41.3 A, measured using a 10/1000 μs waveform. This value defines the upper voltage limit imposed on protected circuitry during a 5000 W transient event and is confirmed in the Vishay datasheet Document Number 88308, Table on page 2.
Is the 5KP75-E3/73 suitable for automotive applications?
Yes, the 5KP75-E3/73 is AEC-Q101 qualified, as explicitly stated in the Vishay datasheet (Document Number 88308, page 1, Mechanical Data section). This certification validates its reliability for automotive use, including temperature cycling, mechanical shock, and humidity bias testing - making it appropriate for engine control units, ADAS power rails, and infotainment systems.
What does the "E3/73" suffix indicate in 5KP75-E3/73?
The "E3" denotes RoHS-compliant, commercial-grade construction with JESD 201 Class 1A whisker resistance; "/73" specifies the packaging configuration - 73 indicates 800-piece tape-and-reel delivery in 13" diameter reels, per Vishay's Ordering Information table (page 3 of Document Number 88308).
How does the 5KP75-E3/73 differ from the 5KP75A variant?
The 5KP75-E3/73 is the RoHS-compliant, tape-and-reel packaged version of the 5KP75A base device. Per Vishay's ordering table, "5KP75A-E3/73" is the full preferred part number; the "-E3" suffix confirms matte tin plating and Class 1A whisker resistance, while "/73" designates the reel quantity and packaging format - no electrical or thermal differences exist between 5KP75A and 5KP75-E3/73.
Can the 5KP75-E3/73 be used in bidirectional configurations?
No, the 5KP75-E3/73 is unidirectional only, as confirmed in the Vishay datasheet Features section (page 1): "Available in uni-directional polarity only." For bidirectional protection, Vishay offers separate part numbers such as 5KP75CA; using two unidirectional devices back-to-back is not recommended due to mismatched VBR tolerances and undefined behavior under reverse surge.
5KP75-E3/73 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):
- 75V
- Voltage - Breakdown (Min):
- 83.3V
- Voltage - Clamping (Max) @ Ipp:
- 134V
- Current - Peak Pulse (10/1000µs):
- 37.3A
- 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
5KP75-E3/73 FAQ
1.How can I place an order for 5KP75-E3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for 5KP75-E3/73 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 5KP75-E3/73 reliable?
The price and inventory of 5KP75-E3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5KP75-E3/73 is usually 5 days.
3.What payment methods are accepted for 5KP75-E3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KP75-E3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5KP75-E3/73?
5KP75-E3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5KP75-E3/73 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 5KP75-E3/73?
For technical support, including 5KP75-E3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KP75-E3/73 requirements.
6.How does Aetrix verify that 5KP75-E3/73 is sourced from the original manufacturer or authorized distributors?
All 5KP75-E3/73 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 5KP75-E3/73 meets industry standards.
7.What is the process for return or replacement of 5KP75-E3/73?
All 5KP75-E3/73 units undergo pre-shipment inspection (PSI). If there is an issue with 5KP75-E3/73, 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 5KP75-E3/73 part is unused and in its original packaging.
Return procedure for 5KP75-E3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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