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Vishay General Semiconductor - Diodes Division P6KE33CAHE3/54
- Part No.:
- P6KE33CAHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE33CAHE3/54.pdf
- Description:
- TVS DIODE 28.2VWM 45.7VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:6,260
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Product details
Overview
P6KE33CAHE3/54 from Vishay General Semiconductor is a bidirectional Transient Voltage Suppressor (TVS) diode in DO-15 package, designed for clamping voltage transients on signal or power lines. It features 33 V breakdown voltage (VBR min/max = 31.4–34.7 V at 1.0 mA), 28.2 V standoff voltage (VWM), 45.7 V maximum clamping voltage (VC) at 13.1 A peak pulse current, and 600 W peak pulse power rating with 10/1000 μs waveform - used to protect MOSFETs, ICs, and sensor interfaces in automotive and industrial control systems.
For engineers reviewing the P6KE33CAHE3/54 datasheet, P6KE33CAHE3/54 pinout, P6KE33CAHE3/54 application, or P6KE33CAHE3/54 equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, DO-15 mechanical compatibility, thermal resistance (RθJL = 20 °C/W), and low leakage (<1.0 μA at VWM) under standby conditions.
Technical Context
This device operates as a voltage-clamped surge protector: when transient voltage exceeds VWM (28.2 V), it avalanches near VBR (31.4–34.7 V) and limits downstream voltage to ≤45.7 V at 13.1 A. Its glass-passivated junction ensures stable breakdown and fast response (<1 ns), while bidirectional symmetry enables protection on AC-coupled or floating lines without polarity concerns.
The P6KE33CAHE3/54 is rated for 175 °C max junction temperature, supports 100 A non-repetitive forward surge (IFSM), and exhibits 0.098 %/°C temperature coefficient of VBR. Its DO-15 package delivers RθJA = 75 °C/W and RθJL = 20 °C/W, enabling direct lead-solder mounting without heatsink for moderate-duty transient events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 31.4 V / 34.7 V at 1.0 mA - defines reliable avalanche initiation range under standardized test current |
| VWM | 28.2 V - maximum continuous reverse operating voltage before leakage exceeds 1.0 μA |
| VC @ IPPM | 45.7 V at 13.1 A (10/1000 μs) - clamping voltage seen by protected circuit during worst-case surge |
| PPPM | 600 W - peak transient power handling capacity, derated above 25 °C per Fig. 2 |
| IPPM | 13.1 A - maximum non-repetitive surge current supported with defined clamping performance |
| TJ max | 175 °C - enables operation in under-hood automotive or high-ambient industrial environments |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD |
Pinout & Package
DO-15 (DO-204AC) molded epoxy package with matte tin-plated leads; no polarity marking for bidirectional configuration; case meets UL 94 V-0 flammability rating; RoHS compliant and qualified to JESD 201 Class 2 whisker test (HE3 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional avalanche junction | No functional distinction between terminals - either lead serves as input/output for transient energy diversion |
| Leads (both) | Thermal and electrical interface | Provide mechanical mounting, heat conduction to PCB copper, and low-inductance path to ground or rail |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Ensures stable, repeatable breakdown voltage and long-term reliability under thermal cycling |
| 600 W peak pulse power (10/1000 μs) | Supports robust protection against IEC 61000-4-5 Level 4 surges (4 kV line-earth) in compact DO-15 form factor |
| AEC-Q101 qualification | Validates suitability for automotive powertrain, body electronics, and ADAS sensor interfaces requiring zero defect rates |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (e.g., inductive switch-off in motor drivers) |
| 175 °C maximum junction temperature | Enables placement near heat sources (e.g., power MOSFETs, DC-DC converters) without thermal derating penalties |
Applications
| Automotive Power Distribution | Industrial Sensor Signal Lines |
|---|---|
|
Use Scenario: Protecting 12 V battery-fed ECUs from load-dump and alternator ripple transients. IC Role / Device Role / Timing Role: Bidirectional clamping element placed across power rail and chassis ground. Use Value: Limits voltage to ≤45.7 V during 13.1 A surges, preventing damage to 33 V-rated CAN transceivers and microcontrollers. |
Use Scenario: Shielding analog outputs of pressure/temperature sensors from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance shunt protector on differential or single-ended sensor outputs. Use Value: Clamps sub-100 ns ESD pulses to safe levels while adding <1 pF parasitic capacitance at signal frequencies up to 1 MHz. |
| Consumer Power Adapter Inputs | Telecom Line Interface Protection |
|
Use Scenario: Safeguarding AC-DC adapter primary-side rectifiers and controllers from lightning-induced surges. IC Role / Device Role / Timing Role: Secondary-side TVS across DC output rails to suppress coupled transients. Use Value: Absorbs 600 W surges without degradation, maintaining 28.2 V nominal output regulation during transient recovery. |
Use Scenario: Protecting Ethernet PHY or DSL line drivers from induced surges on unshielded twisted-pair cabling. IC Role / Device Role / Timing Role: Bidirectional clamp on differential pair, referenced to local ground plane. Use Value: Symmetric clamping prevents signal inversion or common-mode distortion during ±45.7 V transient events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ33CA | DO-214AA package, 600 W rating, VC = 53.3 V @ 11.8 A, RθJA = 50 °C/W | Higher clamping voltage, lower thermal resistance, surface-mount only | Select when board space permits SMD layout and higher VC margin is acceptable |
| 1.5KE33CA | DO-201AD package, 1500 W rating, VC = 53.3 V @ 28.2 A, RθJA = 15 °C/W | Higher power handling, larger footprint, through-hole compatible | Select when system-level surge requirements exceed 600 W or lead-mounting is mandatory |
Compared with SMBJ33CA and 1.5KE33CA, the P6KE33CAHE3/54 offers tighter VC (45.7 V vs. 53.3 V), smaller DO-15 footprint, and AEC-Q101 qualification - making it optimal for cost-sensitive, space-constrained automotive and industrial designs where precise clamping and qualification are critical.
Availability
P6KE33CAHE3/54 is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interfaces, consumer power adapters, and telecom line protection requiring stable component supply and AEC-Q101 compliance.
Supply support for P6KE33CAHE3/54 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, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P6KE series targets cost-effective, high-surge-capability transient protection for automotive, industrial, and consumer electronics - balancing performance, qualification, and manufacturability in axial-leaded packages.
FAQ
What does the "CA" suffix indicate in P6KE33CAHE3/54?
The "CA" suffix denotes a bidirectional configuration: both terminals behave identically under positive or negative transient voltage, eliminating polarity concerns during PCB placement. This differs from unidirectional variants (e.g., P6KE33A), which require cathode alignment. The P6KE33CAHE3/54 maintains identical VBR, VC, and IPPM specifications in both directions, as confirmed in Vishay's Electrical Characteristics table.
Is P6KE33CAHE3/54 suitable for automotive applications?
Yes - the HE3 suffix confirms AEC-Q101 qualification, covering stress tests including high-temperature reverse bias, temperature cycling, and unbiased highly accelerated stress testing. The P6KE33CAHE3/54 is explicitly rated for 175 °C junction temperature and used in automotive power distribution modules, body control units, and sensor interfaces where transient immunity and long-term reliability are mandated.
How does the clamping voltage of P6KE33CAHE3/54 compare to its breakdown voltage?
The P6KE33CAHE3/54 has a minimum breakdown voltage (VBR) of 31.4 V and clamps to 45.7 V at 13.1 A peak pulse current. This 14.3 V differential reflects the device's dynamic impedance during surge conduction - a design trade-off that ensures rapid avalanche onset while limiting downstream voltage stress. The ratio VC/VBR ≈ 1.45 is typical for 600 W DO-15 TVS diodes.
What is the meaning of the "HE3/54" in P6KE33CAHE3/54?
"HE3" indicates RoHS-compliant construction qualified to AEC-Q101 and JESD 201 Class 2 whisker resistance; "54" refers to the preferred package code for 13-inch paper tape and reel delivery (4000 units per reel). This ordering code ensures traceable sourcing, consistent lead finish (matte tin), and compliance with automotive supply chain requirements for the P6KE33CAHE3/54.
Can P6KE33CAHE3/54 replace P6KE33A in an existing design?
No - P6KE33CAHE3/54 is bidirectional, while P6KE33A is unidirectional and features a cathode band. Substituting them requires verifying circuit topology: bidirectional use cases (e.g., AC lines, floating buses) benefit from P6KE33CAHE3/54, but unidirectional rails with explicit ground referencing may experience improper clamping or increased leakage if P6KE33CAHE3/54 is used without layout review. Always validate with actual surge testing for the P6KE33CAHE3/54.
P6KE33CAHE3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 28.2V
- Voltage - Breakdown (Min):
- 31.4V
- Voltage - Clamping (Max) @ Ipp:
- 45.7V
- Current - Peak Pulse (10/1000µs):
- 13.1A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
P6KE33CAHE3/54 FAQ
1.How can I place an order for P6KE33CAHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE33CAHE3/54 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 P6KE33CAHE3/54 reliable?
The price and inventory of P6KE33CAHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE33CAHE3/54 is usually 5 days.
3.What payment methods are accepted for P6KE33CAHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE33CAHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE33CAHE3/54?
P6KE33CAHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE33CAHE3/54 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 P6KE33CAHE3/54?
For technical support, including P6KE33CAHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE33CAHE3/54 requirements.
6.How does Aetrix verify that P6KE33CAHE3/54 is sourced from the original manufacturer or authorized distributors?
All P6KE33CAHE3/54 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 P6KE33CAHE3/54 meets industry standards.
7.What is the process for return or replacement of P6KE33CAHE3/54?
All P6KE33CAHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE33CAHE3/54, 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 P6KE33CAHE3/54 part is unused and in its original packaging.
Return procedure for P6KE33CAHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KE33CAHE3/54 Tags
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