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Vishay General Semiconductor - Diodes Division P6KA22AHE3/53
- Part No.:
- P6KA22AHE3/53
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KA22AHE3/53.pdf
- Description:
- TVS DIODE 18.8VWM 30.6VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:6,901
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Product details
Overview
P6KA22AHE3/53 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection of power rails and signal lines in automotive and industrial electronics. It features a 20.9 V to 23.1 V breakdown voltage (VBR), 18.8 V stand-off voltage (VWM), 600 W peak pulse power (10/1000 μs), 19.6 A peak pulse current (IPPM), and clamps to ≤30.6 V at rated surge - deployed on 12 V battery-fed ECUs, motor drivers, and sensor interfaces.
For engineers reviewing the P6KA22AHE3/53 datasheet, P6KA22AHE3/53 pinout, P6KA22AHE3/53 application, or P6KA22AHE3/53 equivalent, key selection criteria include its AEC-Q101 qualification, 185 °C junction rating, DO-15 package compatibility, and verified clamping performance under repetitive 10/1000 μs transients per IEC 61000-4-5.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology with optimized junction passivation for stable leakage and clamping behavior across temperature. Its unidirectional polarity enables integration into DC-biased circuits where reverse conduction must be blocked until clamping threshold is exceeded.
Rated for 185 °C maximum junction temperature and qualified to AEC-Q101, the P6KA22AHE3/53 supports high-reliability operation in under-hood automotive environments and industrial controls exposed to thermal cycling and humidity. It delivers low incremental surge resistance and fast response time (<1 ns) to suppress ESD and load-dump transients before downstream ICs are damaged.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 20.9 V / 23.1 V - Ensures reliable turn-on above normal 12 V rail operating range while avoiding false triggering during load dump overshoot. |
| VWM | 18.8 V - Maximum continuous reverse voltage before significant leakage; compatible with 16 V automotive battery systems. |
| IPPM | 19.6 A @ 10/1000 μs - Sustains standardized lightning/surge test waveforms without degradation when mounted per JEDEC guidelines. |
| VC (max) | 30.6 V - Clamped voltage seen by protected circuit during full-rated surge; stays below 33 V absolute max ratings of common 3.3 V/5 V logic ICs. |
| TJ max | 185 °C - Enables placement near heat sources (e.g., power MOSFETs, motor drivers) without derating concerns in sealed enclosures. |
| Package | DO-204AC (DO-15) - Industry-standard axial leaded package with 9.5 mm body length; compatible with automated through-hole insertion and wave soldering. |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan. |
Pinout & Package
DO-204AC (DO-15) molded epoxy package with axial leads. Cathode denoted by color band; anode and cathode terminals are non-polarized in layout but functionally asymmetric - cathode connects to protected line, anode to ground or lower potential reference.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference node connection | Connected to system ground or lowest potential point; completes clamping path during overvoltage events. |
| Cathode | Protected line connection | Connected directly to line being safeguarded (e.g., battery input, CAN bus line); conducts surge current to ground when VBR exceeded. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Withstands ISO 7637-2 Pulse 5a (load dump) surges up to 40 V × 15 A without failure in typical PCB layouts. |
| 185 °C junction rating | Eliminates thermal derating in engine control modules operating at ambient >125 °C, extending lifetime beyond 15-year automotive requirements. |
| AEC-Q101 qualification | Validated for automotive use via HTGB, HTRB, TCT, and ESD tests - no additional qualification needed for Tier 1 BOM inclusion. |
| Low clamping ratio (VC/VBR ≈ 1.32) | Minimizes voltage overshoot margin required for downstream components - reduces need for oversized voltage tolerances in protected ICs. |
| Matte tin-plated leads | Ensures solderability per J-STD-002 and whisker resistance per JESD 201 Class 2 - critical for long-term reliability in humid environments. |
Applications
| Automotive Engine Control Unit (ECU) | Industrial Motor Drive Power Input |
|---|---|
Use Scenario: Protects microcontroller power supply and CAN transceiver inputs against load dump transients (up to 60 V, 400 ms) and inductive switching spikes from fuel injectors or solenoids. IC Role / Device Role: Unidirectional TVS placed between battery rail and local LDO input, shunting surge energy to chassis ground. Use Value: Maintains VC ≤30.6 V during 19.6 A surge, preventing latch-up or gate oxide damage in 5 V/3.3 V logic ICs downstream. |
Use Scenario: Shields gate driver ICs and current sense amplifiers from flyback voltage spikes generated by PWM-controlled 24 V DC motors. IC Role / Device Role: Mounted across motor power input terminals to clamp negative-going transients induced by rapid current interruption. Use Value: Limits reverse voltage excursion to ≤30.6 V, avoiding reverse-bias breakdown in op-amp inputs and bootstrap FETs. |
| Telecom Base Station Power Supply | Consumer Appliance Mainboard Protection |
Use Scenario: Guards 48 V DC-DC converter inputs against lightning-induced surges coupled via AC mains or PoE lines in outdoor telecom cabinets. IC Role / Device Role: First-stage protection device upstream of primary-side controller ICs and bulk capacitors. Use Value: Absorbs 600 W transient energy without thermal runaway, preserving system uptime during Category C3 surge events. |
Use Scenario: Safeguards microcontroller reset lines and communication buses (I²C, UART) in washing machines and HVAC controllers exposed to relay coil kickback. IC Role / Device Role: Low-capacitance TVS on low-voltage signal paths, minimizing signal integrity impact while suppressing ±8 kV ESD per IEC 61000-4-2. Use Value: Delivers <1 ns response and <1 μA leakage at 18.8 V, ensuring no interference with 100 kHz I²C clock timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ22AHE3/5A | Same VBR range (22.2–24.5 V), but 400 W PPPM rating and SMA package - lower surge capacity and surface-mount only. | Not suitable for high-energy load dump; requires rework for board space-constrained designs without through-hole pads. | Select only if PCB real estate is limited and surge energy remains below 400 W. |
| 1.5KE22A | Higher VC (35.5 V), same DO-15 package, but not AEC-Q101 qualified and rated only to 175 °C TJ. | Lacks automotive qualification and thermal margin; unsuitable for under-hood deployment or extended-life industrial equipment. | Acceptable for cost-sensitive consumer applications where AEC-Q101 and 185 °C are not mandated. |
Compared with SMAJ22AHE3/5A and 1.5KE22A, the P6KA22AHE3/53 provides superior surge handling (600 W vs. 400 W/1500 W), guaranteed automotive qualification, and extended thermal capability - making it the preferred choice for safety-critical 12 V/24 V systems requiring zero field failures.
Availability
P6KA22AHE3/53 is available at Aetrix Electronics and suitable for automotive ECU design, industrial motor drive protection, and telecom power supply hardening requiring stable component supply, traceable sourcing, and long-term lifecycle support.
Supply support for P6KA22AHE3/53 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, thermal performance, and automotive-grade validation.
The P6KA22AHE3/53 belongs to Vishay's PAR® family of high-temperature TVS diodes engineered specifically for harsh-environment overvoltage protection in automotive powertrain, ADAS, and industrial automation systems.
FAQ
What is the maximum clamping voltage of the P6KA22AHE3/53 under full-rated surge conditions?
The P6KA22AHE3/53 clamps to a maximum of 30.6 V when subjected to its rated 19.6 A peak pulse current (10/1000 μs waveform). This value is measured per IEC 61000-4-5 test conditions and ensures protected ICs remain within safe operating voltage margins. The clamping voltage is guaranteed across the full operating temperature range from –65 °C to +185 °C.
Is the P6KA22AHE3/53 suitable for bidirectional transient suppression?
No, the P6KA22AHE3/53 is a unidirectional TVS diode and is not rated for bidirectional operation. Its electrical characteristics - including breakdown voltage, leakage, and clamping - are specified only for reverse-bias conduction. For AC or bipolar signal line protection, a dedicated bidirectional part such as P6SMB22AHE3/A must be selected instead of the P6KA22AHE3/53.
Does the P6KA22AHE3/53 require heatsinking for standard 600 W surge duty cycles?
No additional heatsinking is required for the P6KA22AHE3/53 under standard single-pulse or low-duty-cycle (≤0.01 %) surge conditions. Its DO-15 package dissipates heat effectively via lead conduction, and the 5.0 W steady-state power rating applies only to continuous DC dissipation - not transient events. Thermal design focus should prioritize PCB copper area connected to leads, not external heatsinks.
How does the P6KA22AHE3/53 differ from the non-A version (P6KA22HE3/53)?
The P6KA22AHE3/53 has tighter VBR tolerance (20.9–23.1 V) versus P6KA22HE3/53 (19.8–24.2 V), resulting in more consistent clamping onset and reduced variation in protected circuit margin. Both share identical packaging, AEC-Q101 qualification, and thermal ratings, but the "A" suffix denotes enhanced parametric binning for higher-precision applications like ADAS sensor power rails.
Can the P6KA22AHE3/53 be used in parallel to increase surge current handling?
Parallel connection of P6KA22AHE3/53 devices is not recommended due to mismatch in dynamic impedance and VBR tolerance, which causes uneven current sharing and potential thermal runaway. For higher surge ratings, select a single higher-power device such as P6KE22A or verify matched-bin pairing with Vishay application engineering - do not assume scalability from the P6KA22AHE3/53 datasheet alone.
P6KA22AHE3/53 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):
- 18.8V
- Voltage - Breakdown (Min):
- 20.9V
- Voltage - Clamping (Max) @ Ipp:
- 30.6V
- Current - Peak Pulse (10/1000µs):
- 19.6A
- 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)
P6KA22AHE3/53 FAQ
1.How can I place an order for P6KA22AHE3/53 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KA22AHE3/53 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 P6KA22AHE3/53 reliable?
The price and inventory of P6KA22AHE3/53 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KA22AHE3/53 is usually 5 days.
3.What payment methods are accepted for P6KA22AHE3/53?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KA22AHE3/53 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KA22AHE3/53?
P6KA22AHE3/53 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KA22AHE3/53 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 P6KA22AHE3/53?
For technical support, including P6KA22AHE3/53 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KA22AHE3/53 requirements.
6.How does Aetrix verify that P6KA22AHE3/53 is sourced from the original manufacturer or authorized distributors?
All P6KA22AHE3/53 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 P6KA22AHE3/53 meets industry standards.
7.What is the process for return or replacement of P6KA22AHE3/53?
All P6KA22AHE3/53 units undergo pre-shipment inspection (PSI). If there is an issue with P6KA22AHE3/53, 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 P6KA22AHE3/53 part is unused and in its original packaging.
Return procedure for P6KA22AHE3/53:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KA22AHE3/53 Tags
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