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Vishay General Semiconductor - Diodes Division P6KA24AHE3/73
- Part No.:
- P6KA24AHE3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KA24AHE3/73.pdf
- Description:
- TVS DIODE 20.5VWM 33.6VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:5,492
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Product details
Overview
P6KA24AHE3/73 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection in power rails and signal lines. It features a 22.8 V to 25.2 V breakdown voltage (VBR), 20.5 V stand-off voltage (VWM), 33.6 V clamping voltage (VC) at 18.1 A peak pulse current, 600 W peak pulse power (10/1000 μs), and operates up to +185 °C junction temperature - deployed in automotive power supply inputs and industrial sensor interfaces.
For engineers reviewing the P6KA24AHE3/73 datasheet, P6KA24AHE3/73 pinout, P6KA24AHE3/73 application, or P6KA24AHE3/73 equivalent, key selection criteria include its AEC-Q101 qualification, DO-204AC (DO-15) package compatibility, unidirectional polarity, low clamping ratio (VC/VBR ≈ 1.33), and 1.0 μA max reverse leakage at VWM - critical for low-power, high-reliability systems.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology with junction passivation optimized for high-temperature stability and surge resilience. Its unidirectional architecture provides forward conduction capability while clamping reverse transients, supporting protection of DC power inputs and biased signal paths where polarity is fixed.
Rated for 600 W peak pulse power under 10/1000 μs waveform and 75 A non-repetitive forward surge current (8.3 ms half-sine), it delivers stable clamping performance across -65 °C to +185 °C operating range and meets JESD 201 Class 2 whisker resistance and RoHS compliance requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 22.8 V / 25.2 V - defines reliable avalanche initiation threshold under 1.0 mA test current; ensures consistent turn-on across temperature and unit variation |
| VWM | 20.5 V - maximum continuous reverse working voltage; sets safe DC bias margin before leakage rises above 1.0 μA |
| VC @ IPPM | 33.6 V at 18.1 A - clamped voltage during 600 W transient; determines protected circuit's maximum stress level |
| PPPM | 600 W (10/1000 μs) - peak surge energy handling capacity; validates suitability for ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Level 3 |
| TJ max. | +185 °C - enables under-hood automotive use and high-ambient industrial control environments without derating |
| Polarity | Unidirectional - supports DC rail protection with forward conduction path; requires correct cathode orientation in PCB layout |
| AEC-Q101 | Qualified - confirms reliability validation per automotive-grade stress testing (HTOL, TCT, ESD, etc.) |
Pinout & Package
Package: DO-204AC (DO-15), axial leaded, molded epoxy case with UL 94 V-0 rating; matte tin-plated leads compliant with J-STD-002 and JESD 22-B102; cathode denoted by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / transient return path | Connected to lower-potential side (e.g., GND or return rail); completes clamping loop during positive transients on cathode side |
| Cathode | Protected line connection / transient sink | Connected to line being protected (e.g., +24 V rail); conducts avalanche current to anode during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| High-temperature operation | Junction rated to +185 °C - eliminates thermal derating in engine control units and motor drives |
| Low clamping ratio | VC/VBR ≈ 1.33 - minimizes overvoltage overshoot on protected ICs compared to higher-ratio TVS devices |
| AEC-Q101 qualification | Validated for automotive electronics - satisfies reliability requirements for powertrain, body control, and ADAS subsystems |
| Robust surge handling | 75 A IFSM (8.3 ms) - withstands repetitive load dump and inductive switching events without degradation |
| Controlled leakage | ≤1.0 μA at VWM and TJ = 150 °C - preserves battery life in always-on vehicle modules |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Clamp |
|---|---|
Use Scenario: Protecting 24 V supply input of an automotive body control module against load dump (ISO 7637-2 Pulse 5a) and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between +24 V rail and chassis ground to clamp transients above 33.6 V while remaining inert below 20.5 V. Use Value: Prevents damage to downstream DC/DC converters and microcontrollers; leverages +185 °C rating for under-dash mounting without heatsinking. | Use Scenario: Safeguarding analog output (4–20 mA) line of a pressure sensor in a factory automation PLC I/O module. IC Role / Device Role / Timing Role: TVS connected between signal and return, clamping fast ESD (IEC 61000-4-2) and cable discharge events on field wiring. Use Value: Maintains signal integrity with <1.0 μA leakage at 20.5 V, avoiding offset errors; DO-15 package allows through-hole mounting on ruggedized PCBs. |
| Telecom DC Power Feeding | Computer Peripheral USB VBUS Line |
Use Scenario: Overvoltage protection on -48 V DC feeding line for remote radio head equipment in 5G base stations. IC Role / Device Role / Timing Role: Cathode tied to -48 V rail, anode to system ground; clamps negative-going surges induced by lightning-induced coupling. Use Value: 600 W rating handles telecom-grade surges; AEC-Q101 qualification adds confidence in long-term field reliability. | Use Scenario: Secondary-level surge suppression on USB 2.0 VBUS line in docking station design, supplementing primary protection. IC Role / Device Role / Timing Role: Unidirectional TVS placed after primary fuse and upstream of USB power switch to limit residual clamping voltage. Use Value: 33.6 V clamping ensures protected switch remains within absolute maximum ratings; DO-15 footprint simplifies layout reuse from legacy designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ24A | Same VWM/VBR/VC specs but SMB package (surface-mount); 600 W rating; AEC-Q101 qualified | Requires SMT reflow process and board space optimization; lacks axial lead mechanical robustness for high-vibration environments | Select when automated assembly and board density outweigh mechanical retention needs |
| P6KE24A | Same DO-15 package and unidirectional function but lower 5.0 W steady-state power dissipation; not AEC-Q101 qualified | Limited to commercial/industrial use; insufficient for automotive qualification programs requiring traceable reliability data | Select only for cost-sensitive non-automotive applications where AEC-Q101 is not mandated |
Compared with SMBJ24A and P6KE24A, P6KA24AHE3/73 uniquely combines AEC-Q101 qualification, axial DO-15 mechanical stability, and 185 °C operation - making it the preferred choice for automotive and harsh-environment deployments where qualification and thermal margin are non-negotiable.
Availability
P6KA24AHE3/73 is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, and telecom DC power feeding requiring stable component supply, long-lifecycle support, and AEC-Q101-compliant surge protection.
Supply support for P6KA24AHE3/73 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, MOSFETs, and optoelectronics with emphasis on reliability, high-temperature performance, and automotive qualification.
The P6KAxxA series belongs to Vishay's PAR® (Precision Avalanche Regulator) Transient Voltage Suppressor family, engineered specifically for high-reliability overvoltage protection in automotive, industrial, and telecom infrastructure where sustained thermal stress and repetitive surge events are common.
FAQ
What is the clamping voltage of P6KA24AHE3/73 and how is it measured?
The clamping voltage (VC) of P6KA24AHE3/73 is 33.6 V, measured at 18.1 A peak pulse current using a 10/1000 μs waveform per IEC 61000-4-5. This value represents the maximum voltage seen across the device during standardized surge testing and directly determines the stress imposed on downstream components. P6KA24AHE3/73 maintains this clamping performance across its full operating temperature range, verified per Vishay Document Number 88368.
Is P6KA24AHE3/73 suitable for automotive applications?
Yes, P6KA24AHE3/73 is AEC-Q101 qualified and rated for operation up to +185 °C junction temperature, making it suitable for under-hood and other high-reliability automotive applications including body control modules, lighting drivers, and sensor interfaces. Its DO-204AC package provides mechanical robustness for vibration-prone environments, and its 600 W surge rating meets ISO 7637-2 Pulse 5a requirements. All qualification data for P6KA24AHE3/73 is documented in Vishay's official specification sheet.
What does the "HE3/73" suffix indicate in P6KA24AHE3/73?
"HE3" denotes RoHS-compliant, matte tin-plated leads meeting J-STD-002 solderability and JESD 201 Class 2 whisker resistance; "/73" specifies packaging in 73-inch reel format (4000 units per reel). This suffix confirms P6KA24AHE3/73 meets environmental compliance standards and is supplied in tape-and-reel for automated assembly. The HE3 designation also indicates AEC-Q101 qualification per Vishay's ordering information table in Document 88368.
How does P6KA24AHE3/73 differ from the non-"A" variant P6KA24?
P6KA24AHE3/73 has tighter breakdown voltage tolerance (22.8 V to 25.2 V) versus P6KA24 (21.6 V to 26.4 V), resulting in more consistent clamping behavior and reduced unit-to-unit variation. It also exhibits lower temperature coefficient (0.094 %/°C vs. same for both), improved leakage control, and is explicitly listed in Vishay's AEC-Q101 qualified base P/NHE3 group. These enhancements make P6KA24AHE3/73 preferable for precision protection in safety-critical systems.
Can P6KA24AHE3/73 be used in bidirectional configurations?
No, P6KA24AHE3/73 is unidirectional only, as confirmed in the "Features" section of Vishay Document 88368. It conducts in forward bias and clamps reverse transients but cannot suppress symmetrical surges on AC or floating lines. For bidirectional protection, two P6KA24AHE3/73 devices must be connected in series opposing configuration - though this increases VC and footprint. Vishay offers dedicated bidirectional variants (e.g., P6KAXXXCA) for such use cases.
P6KA24AHE3/73 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):
- 20.5V
- Voltage - Breakdown (Min):
- 22.8V
- Voltage - Clamping (Max) @ Ipp:
- 33.6V
- Current - Peak Pulse (10/1000µs):
- 18.1A
- 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)
P6KA24AHE3/73 FAQ
1.How can I place an order for P6KA24AHE3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KA24AHE3/73 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 P6KA24AHE3/73 reliable?
The price and inventory of P6KA24AHE3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KA24AHE3/73 is usually 5 days.
3.What payment methods are accepted for P6KA24AHE3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KA24AHE3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KA24AHE3/73?
P6KA24AHE3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KA24AHE3/73 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 P6KA24AHE3/73?
For technical support, including P6KA24AHE3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KA24AHE3/73 requirements.
6.How does Aetrix verify that P6KA24AHE3/73 is sourced from the original manufacturer or authorized distributors?
All P6KA24AHE3/73 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 P6KA24AHE3/73 meets industry standards.
7.What is the process for return or replacement of P6KA24AHE3/73?
All P6KA24AHE3/73 units undergo pre-shipment inspection (PSI). If there is an issue with P6KA24AHE3/73, 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 P6KA24AHE3/73 part is unused and in its original packaging.
Return procedure for P6KA24AHE3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KA24AHE3/73 Tags
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