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Vishay General Semiconductor - Diodes Division 5KP85AHE3_A/C
- Part No.:
- 5KP85AHE3_A/C
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- P600, Axial
- Datasheet:
-
5KP85AHE3_A/C.pdf
- Description:
- TVS DIODE
- Quantity:
- Payment:
- Shipping:
Inventory:7,726
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Product details
Overview
5KP85AHE3_A/C from Vishay General Semiconductor is a unidirectional TransZORB® transient voltage suppressor (TVS) diode in P600 package, designed for high-energy surge protection. It features 85 V stand-off voltage (VWM), 94.4–104 V breakdown voltage (VBR), 137 V clamping voltage at 36.5 A peak pulse current, and 5000 W peak pulse power rating with 10/1000 µs waveform - used to protect MOSFETs, ICs, and sensor signal lines in automotive and industrial power supplies.
For engineers reviewing the 5KP85AHE3_A/C datasheet, 5KP85AHE3_A/C pinout, 5KP85AHE3_A/C application, or 5KP85AHE3_A/C equivalent, key selection criteria include clamping performance under 10/1000 µs surges, AEC-Q101 qualification for automotive use, unidirectional polarity, thermal derating above 25 °C, and compatibility with P600 PCB footprint and lead-free reflow profiles.
Technical Context
This TVS diode operates as a voltage-clamping overvoltage protection device, triggered when reverse voltage exceeds its breakdown threshold (VBR = 94.4–104 V). Its low incremental surge resistance and fast response time ensure rapid clamping during transients induced by inductive switching or lightning.
Designed for placement across DC rails or signal lines, it absorbs energy up to 5000 W in non-repetitive 10/1000 µs pulses while limiting voltage to ≤137 V. Thermal performance is governed by junction-to-lead resistance, with 8.0 W steady-state power dissipation on infinite heatsink at TL = 75 °C and maximum operating junction temperature of 175 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 85 V - maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 94.4 V / 104 V - guaranteed breakdown range at 5 mA test current; defines turn-on threshold |
| VC @ IPPM | 137 V - clamped voltage at 36.5 A peak pulse current; determines protected circuit's max stress level |
| PPPM | 5000 W - peak pulse power handling with 10/1000 µs waveform; enables robust lightning/surge immunity |
| TJ max. | +175 °C - maximum junction temperature; supports operation in under-hood automotive environments |
| Polarity | Unidirectional - protects against negative transients only; cathode marked by color band |
| AEC-Q101 | Qualified - validated for automotive reliability including temperature cycling, HTRB, and ESD |
Pinout & Package
Package: P600 molded epoxy case with matte tin-plated leads; RoHS-compliant, AEC-Q101 qualified; 0.375" (9.5 mm) body length, 1.0" (25.4 mm) minimum tape reel diameter; meets UL 94 V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., ground or return path) in unidirectional configuration |
| Cathode | Reverse-biased clamping terminal | Marked by color band; connected to protected line (e.g., +12 V rail or signal input) |
Key Features
| Feature | Design Value |
|---|---|
| 5000 W peak pulse power | Enables protection against IEC 61000-4-5 Level 4 surges (4 kV/2 Ω) without failure |
| AEC-Q101 qualification | Validates reliability for automotive powertrain and body electronics applications per stress test requirements |
| 137 V clamping at 36.5 A | Limits downstream voltage stress below typical 150 V MOSFET drain-source rating |
| P600 glass passivated junction | Provides stable VBR and low leakage (<2 µA at 85 V) over lifetime and temperature |
| Solderable per J-STD-002/JESD 22-B102 | Ensures reliable lead wetting during wave or reflow soldering without dewetting or voiding |
Applications
| Automotive Power Supply Protection | Industrial Motor Drive DC Bus |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump and alternator transients. IC Role / Device Role / Timing Role: Voltage-clamping TVS placed across main input rail upstream of DC/DC converter. Use Value: Clamps transients to ≤137 V, preventing damage to 150 V-rated input capacitors and controller ICs. | Use Scenario: Safeguarding IGBT gate drivers and bus sensing circuits in variable-frequency drives. IC Role / Device Role / Timing Role: Parallel-connected TVS on DC link to absorb commutation spikes and regenerative energy surges. Use Value: Withstands 5000 W pulses without degradation, enabling >100,000 surge cycles per MIL-STD-883H Method 3015. |
| Telecom Line Interface Protection | Consumer Appliance Power Input |
Use Scenario: Shielding Ethernet PHY power pins and RS-485 transceivers from EFT and surge coupling. IC Role / Device Role / Timing Role: Unidirectional TVS on +3.3 V or +5 V supply lines feeding communication ICs. Use Value: Sub-200 ns response ensures clamping before sensitive logic thresholds are exceeded. | Use Scenario: Overvoltage suppression on AC-DC adapter outputs in washing machines and HVAC controllers. IC Role / Device Role / Timing Role: Primary surge clamp on 24 V control rail feeding microcontrollers and relays. Use Value: AEC-Q101 qualification ensures long-term stability under thermal cycling in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ85A | Lower PPPM (600 W), smaller SMB package, same VWM/VBR range | Not AEC-Q101 qualified; limited to consumer/industrial, not automotive | Select when board space is constrained and surge energy is ≤600 W |
| 5KP85CA | Same ratings but bidirectional polarity; identical P600 package and thermal specs | Protects against both positive and negative transients; requires no polarity awareness in layout | Choose for AC-coupled or differential signal lines where bipolar surges occur |
Compared with SMBJ85A and 5KP85CA, the 5KP85AHE3_A/C delivers 8.3× higher surge power handling than SMBJ85A and offers automotive-grade reliability absent in the bidirectional 5KP85CA - making it optimal for high-energy, safety-critical DC rail protection.
Availability
5KP85AHE3_A/C is available at Aetrix Electronics and suitable for automotive power modules, industrial motor drives, telecom infrastructure equipment, and consumer appliance control systems requiring stable component supply and AEC-Q101 compliance.
Supply support for 5KP85AHE3_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 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 DC bus lines - targeting applications demanding >5 kW surge immunity and AEC-Q101 validation.
FAQ
What is the clamping voltage of the 5KP85AHE3_A/C and how is it measured?
The 5KP85AHE3_A/C has a maximum clamping voltage (VC) of 137 V, measured at its rated peak pulse current (IPPM) of 36.5 A using a 10/1000 µs waveform. This value is guaranteed per JEDEC test conditions and reflects the actual voltage seen by downstream components during surge events - critical for ensuring compatibility with 150 V-rated MOSFETs and capacitors in automotive power designs.
Is the 5KP85AHE3_A/C suitable for automotive applications?
Yes, the 5KP85AHE3_A/C is AEC-Q101 qualified, meaning it has passed rigorous stress tests including temperature cycling, high-temperature reverse bias, and ESD - validating its suitability for under-hood and body electronics. Its 175 °C maximum junction temperature and P600 package's thermal robustness further support deployment in automotive power distribution modules and engine control units.
What does the "HE3_A/C" suffix indicate in 5KP85AHE3_A/C?
The "HE3" suffix denotes RoHS-compliant construction with AEC-Q101 qualification; "_A/C" specifies the packaging variant - "C" indicates 13-inch paper tape and reel with 800-unit base quantity. This distinguishes it from "E3" commercial-grade variants and confirms full automotive reliability compliance for the 5KP85AHE3_A/C part number.
How does the 5KP85AHE3_A/C compare to standard 5 mm x 5 mm SMD TVS diodes?
The 5KP85AHE3_A/C uses a through-hole P600 package offering superior thermal dissipation and 5000 W surge capability - far exceeding typical 600 W SMD TVS like SMAJ or SMBJ series. Its larger mass and lead-frame design allow sustained energy absorption without thermal runaway, making the 5KP85AHE3_A/C appropriate for primary-side protection where SMD devices would fail catastrophically.
Can the 5KP85AHE3_A/C be used in bidirectional protection circuits?
No - the 5KP85AHE3_A/C is unidirectional only, with cathode marked by a color band. For bidirectional protection, Vishay offers the pin-compatible 5KP85CA variant. Using the 5KP85AHE3_A/C in reverse-biased configurations risks permanent breakdown; correct polarity orientation is mandatory, and layout must enforce unidirectional placement across the protected rail.
5KP85AHE3_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):
- 85V
- Voltage - Breakdown (Min):
- 94.4V
- Voltage - Clamping (Max) @ Ipp:
- 137V
- Current - Peak Pulse (10/1000µs):
- 36.5A
- 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
5KP85AHE3_A/C FAQ
1.How can I place an order for 5KP85AHE3_A/C through Aetrix?
Please submit a Request for Quotation (RFQ) for 5KP85AHE3_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 5KP85AHE3_A/C reliable?
The price and inventory of 5KP85AHE3_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 5KP85AHE3_A/C is usually 5 days.
3.What payment methods are accepted for 5KP85AHE3_A/C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KP85AHE3_A/C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5KP85AHE3_A/C?
5KP85AHE3_A/C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5KP85AHE3_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 5KP85AHE3_A/C?
For technical support, including 5KP85AHE3_A/C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KP85AHE3_A/C requirements.
6.How does Aetrix verify that 5KP85AHE3_A/C is sourced from the original manufacturer or authorized distributors?
All 5KP85AHE3_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 5KP85AHE3_A/C meets industry standards.
7.What is the process for return or replacement of 5KP85AHE3_A/C?
All 5KP85AHE3_A/C units undergo pre-shipment inspection (PSI). If there is an issue with 5KP85AHE3_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 5KP85AHE3_A/C part is unused and in its original packaging.
Return procedure for 5KP85AHE3_A/C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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