Vishay General Semiconductor - Diodes Division P6KA13HE3/73
- Part No.:
- P6KA13HE3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KA13HE3/73.pdf
- Description:
- TVS DIODE 10.5VWM 19VC DO204AC
- Quantity:
- Payment:

- Shipping:

Inventory:3,672
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Product details
Overview
P6KA13HE3/73 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection in power and signal lines. It features a 11.7 V minimum breakdown voltage (VBR), 10.5 V maximum standoff voltage (VWM), 600 W peak pulse power (10/1000 μs), 185 °C junction temperature rating, and DO-204AC (DO-15) package - deployed in automotive engine control units to clamp load-dump transients.
For engineers reviewing the P6KA13HE3/73 datasheet, P6KA13HE3/73 pinout, P6KA13HE3/73 application, or P6KA13HE3/73 equivalent, key selection criteria include clamping voltage (19.0 V at 31.6 A), unidirectional polarity, AEC-Q101 qualification, high-temperature reliability up to 185 °C, and compatibility with automated SMT assembly using matte tin-plated leads.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology to achieve fast response time (<1 ns) and low incremental surge resistance. Its junction passivation enables stable operation under high-temperature stress (TJ = 185 °C) and repetitive surge conditions per IEC 61000-4-5.
The device operates exclusively in unidirectional mode with a color-band cathode marking, and is rated for 75 A non-repetitive forward surge current (8.3 ms half-sine). Clamping performance is specified at 19.0 V for 31.6 A peak pulse current (10/1000 μs waveform), ensuring predictable voltage limiting during ESD and inductive switching events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 11.7 V / 14.3 V at 1.0 mA - defines reliable conduction onset under transient stress |
| VWM | 10.5 V - maximum continuous reverse voltage before leakage exceeds 2.0 μA |
| VC @ IPPM | 19.0 V at 31.6 A - clamped voltage during 600 W surge, critical for downstream IC survivability |
| PPPM | 600 W (10/1000 μs) - peak surge energy handling capacity for automotive load-dump immunity |
| TJ max. | 185 °C - enables placement near hot components (e.g., power MOSFETs, ignition drivers) |
| Polarity | Unidirectional - protects against positive-going transients only; requires correct orientation in circuit |
| AEC-Q101 | Qualified - validated for automotive under-hood applications per stress test requirements |
Pinout & Package
Package: DO-204AC (DO-15), molded epoxy case with UL 94 V-0 flammability rating; matte tin-plated leads, solderable per J-STD-002; cathode denoted by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / transient return path | Connected to protected line (e.g., 12 V rail); conducts during positive surges when VAK > VBR |
| Cathode | Reference node / clamping output | Connected to ground or lower-potential rail; establishes clamping threshold relative to reference |
Key Features
| Feature | Design Value |
|---|---|
| Junction passivation | Enables stable 185 °C operation and long-term reliability under thermal cycling in automotive environments |
| 600 W peak pulse power | Withstands ISO 7637-2 Pulse 5a (load dump) without degradation when properly heatsinked |
| Fast response time | <1 ns turn-on ensures clamping before sensitive ICs experience overvoltage damage |
| Low incremental surge resistance | Minimizes voltage overshoot during high di/dt transients (e.g., relay coil de-energization) |
| AEC-Q101 qualification | Validated for automotive use including HTOL, temperature cycling, and HTRB testing |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 12 V supply rails in engine control modules from ISO 7637-2 load-dump transients up to 60 V. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between battery rail and local regulator input. Use Value: Clamps transients to ≤19.0 V, preventing damage to downstream 5 V/3.3 V regulators and microcontrollers. | Use Scenario: Shielding analog sensor outputs (e.g., pressure, temperature) from ESD and cable discharge events in factory automation systems. IC Role / Device Role / Timing Role: Point-of-entry protection on twisted-pair sensor interface lines before signal conditioning amplifiers. Use Value: Limits induced voltages to safe levels (<19.0 V) while maintaining low capacitance (<100 pF) to avoid signal distortion. |
| Consumer Power Adapter Input Protection | Telecom DC Power Feeding Protection |
Use Scenario: Safeguarding AC/DC adapter primary-side rectifier outputs against surge coupling from mains transients. IC Role / Device Role / Timing Role: Parallel-connected TVS across bulk capacitor input to absorb line-to-ground surges. Use Value: Absorbs 600 W pulses without failure, preserving adapter reliability under EN 61000-4-5 Level 3 stress. | Use Scenario: Protecting PoE-powered equipment (e.g., IP cameras) from longitudinal surges on 48 V DC feeding lines. IC Role / Device Role / Timing Role: Bidirectional protection not applicable; used as unidirectional clamp referenced to chassis ground. Use Value: Provides precise 10.5 V standoff and 19.0 V clamping to prevent latch-up in DC-DC controllers during lightning-induced surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A-E3/5AT | Lower peak pulse power (400 W), same DO-214AC package, 12 V nominal VWM, 19.9 V clamping at 20.1 A | Not AEC-Q101 qualified; suited for commercial-grade consumer/industrial designs | Select when automotive qualification is unnecessary and board space allows SMA package |
| 1.5KE12A | Higher power (1500 W), axial DO-201AD package, 12 V VWM, 19.0 V clamping at 79.4 A, no AEC-Q101 | Larger footprint and manual assembly; better for high-energy industrial surge zones | Choose for legacy through-hole designs requiring higher surge margin and no automotive certification |
Compared with P6KA13HE3/73, SMAJ12A-E3/5AT offers smaller SMD packaging but reduced surge rating and no automotive qualification, while 1.5KE12A delivers higher energy handling in axial form but lacks AEC-Q101 validation and modern lead finish.
Availability
P6KA13HE3/73 is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor interfaces, and telecom DC power feeding systems requiring stable component supply, AEC-Q101 compliance, and high-temperature reliability.
Supply support for P6KA13HE3/73 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, TVS devices, and optoelectronics with emphasis on reliability and high-temperature performance.
The P6KA series belongs to Vishay's PAR® family of high-temperature TVS diodes, engineered specifically for automotive and industrial applications demanding sustained operation up to 185 °C and immunity to load-dump and ESD events.
FAQ
What is the maximum clamping voltage of the P6KA13HE3/73 under standard test conditions?
The P6KA13HE3/73 has a maximum clamping voltage (VC) of 19.0 V at 31.6 A peak pulse current (IPPM) using the 10/1000 μs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuits during surge events. The P6KA13HE3/73 maintains this clamping performance across its full operating temperature range.
Is the P6KA13HE3/73 suitable for automotive applications?
Yes, the P6KA13HE3/73 is AEC-Q101 qualified and rated for junction temperatures up to 185 °C, making it suitable for under-hood automotive applications such as engine control units, body control modules, and lighting drivers. Its unidirectional polarity and DO-204AC package meet automotive layout and reliability requirements. The P6KA13HE3/73 is explicitly listed in Vishay's AEC-Q101 qualified product matrix.
What does the HE3 suffix indicate in P6KA13HE3/73?
HE3 denotes RoHS-compliant construction with matte tin-plated leads that satisfy J-STD-002 solderability and JESD 22-B102 intermetallic growth requirements. The HE3 suffix also confirms compliance with JESD 201 Class 2 whisker testing, ensuring long-term reliability in high-vibration environments like automotive systems. The P6KA13HE3/73 meets these specifications as documented in Vishay's 88368 datasheet.
How does the P6KA13HE3/73 differ from the P6KA13A variant?
The P6KA13HE3/73 has a minimum breakdown voltage of 11.7 V and maximum standoff voltage of 10.5 V, while P6KA13A specifies 12.4–13.7 V VBR and 11.1 V VWM. The P6KA13A offers tighter VBR tolerance and higher VWM, allowing use in slightly higher-bias circuits. Both share identical package, power rating, and AEC-Q101 qualification. The P6KA13HE3/73 is the base variant; P6KA13A is the "A" tolerance version.
Can the P6KA13HE3/73 be used in bidirectional protection configurations?
No, the P6KA13HE3/73 is unidirectional only, as confirmed in the datasheet's FEATURES section and polarity specification. It protects against positive transients on the anode relative to cathode. For bidirectional protection, two P6KA13HE3/73 devices must be connected in series opposing configuration, or a dedicated bidirectional TVS (e.g., P6SMB13CA) should be selected. The P6KA13HE3/73 design does not support reverse conduction.
P6KA13HE3/73 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- PAR®
- Packaging:
- Tape & Box (TB)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10.5V
- Voltage - Breakdown (Min):
- 11.7V
- Voltage - Clamping (Max) @ Ipp:
- 19V
- Current - Peak Pulse (10/1000µs):
- 31.6A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 185°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
P6KA13HE3/73 FAQ
1.How can I place an order for P6KA13HE3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KA13HE3/73 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 P6KA13HE3/73 reliable?
The price and inventory of P6KA13HE3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KA13HE3/73 is usually 5 days.
3.What payment methods are accepted for P6KA13HE3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KA13HE3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KA13HE3/73?
P6KA13HE3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KA13HE3/73 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 P6KA13HE3/73?
For technical support, including P6KA13HE3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KA13HE3/73 requirements.
6.How does Aetrix verify that P6KA13HE3/73 is sourced from the original manufacturer or authorized distributors?
All P6KA13HE3/73 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 P6KA13HE3/73 meets industry standards.
7.What is the process for return or replacement of P6KA13HE3/73?
All P6KA13HE3/73 units undergo pre-shipment inspection (PSI). If there is an issue with P6KA13HE3/73, 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 P6KA13HE3/73 part is unused and in its original packaging.
Return procedure for P6KA13HE3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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