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Vishay General Semiconductor - Diodes Division P4KE36CAHE3/54
- Part No.:
- P4KE36CAHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE36CAHE3/54.pdf
- Description:
- TVS DIODE 30.8VWM 49.9VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:4,985
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Product details
Overview
P4KE36CAHE3/54 from Vishay General Semiconductor is a bidirectional Transient Voltage Suppressor (TVS) diode in DO-41 package, designed for clamping voltage transients on signal or power lines. It features a 36 V breakdown voltage (VBR min/max = 34.2–37.8 V), 30.8 V stand-off voltage (VWM), 49.9 V maximum clamping voltage (VC) at 8.0 A peak pulse current, and 400 W peak pulse power rating with 10/1000 μs waveform - used to protect MOSFETs and sensor signal lines in automotive ECUs.
For engineers reviewing the P4KE36CAHE3/54 datasheet, P4KE36CAHE3/54 pinout, P4KE36CAHE3/54 application, or P4KE36CAHE3/54 equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, DO-41 mechanical compatibility, and verified 175 °C junction temperature rating for under-hood automotive environments.
Technical Context
This device operates as a silicon avalanche diode optimized for transient suppression in both polarities. Its glass-passivated junction enables fast response (<1 ns), low incremental surge resistance, and stable clamping across temperature (0.099 %/°C VBR tempco). The bidirectional configuration eliminates polarity dependency in AC-coupled or floating lines.
Rated for 400 W peak pulse power (10/1000 μs), it delivers 8.0 A IPPM while maintaining VC ≤ 49.9 V - critical for safeguarding 3.3 V/5 V logic interfaces downstream of ESD or load-switching events. Thermal resistance RθJL = 66 °C/W supports reliable operation without heatsinking in standard PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 34.2 V / 37.8 V at 1.0 mA - defines precise avalanche onset threshold for repeatable clamping behavior |
| VWM | 30.8 V - maximum continuous reverse working voltage before leakage exceeds 1.0 μA |
| VC @ IPPM | 49.9 V at 8.0 A - clamped voltage seen by protected circuit during worst-case 400 W transient |
| PPPM | 400 W - peak pulse power handling per 10/1000 μs waveform, enabling robust protection against ISO 7637-2 Pulse 1/2a/5a |
| TJ max | +175 °C - extended junction temperature rating supports under-hood automotive deployment |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
| Package | DO-41 (DO-204AL) - industry-standard axial leaded package with 25.4 mm minimum body length and tin-plated leads |
Pinout & Package
DO-41 (DO-204AL) molded epoxy package with matte tin-plated axial leads; no polarity marking for bidirectional operation; compliant with UL 94 V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional avalanche junction | No functional distinction between leads - either terminal serves as cathode or anode depending on transient polarity |
| Lead 1 | Terminal connection | Standard axial lead for through-hole mounting; solderable per J-STD-002/JESD 22-B102 |
| Lead 2 | Terminal connection | Second axial lead; identical electrical function to Lead 1; mechanical symmetry enables orientation-agnostic placement |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Enables <1 ns response time and stable long-term leakage performance under thermal stress |
| 400 W peak pulse power (10/1000 μs) | Supports immunity to high-energy transients per ISO 7637-2 and IEC 61000-4-5 Level 3 |
| AEC-Q101 qualification | Validated for automotive applications including engine control, body electronics, and ADAS sensor interfaces |
| DO-41 mechanical compatibility | Direct replacement for legacy TVS diodes in existing through-hole designs without footprint change |
| RθJL = 66 °C/W | Allows >1.5 W steady-state dissipation at TL = 75 °C without external heatsink |
Applications
| Automotive Engine Control Unit (ECU) | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Protection of CAN bus transceiver inputs against load-dump and inductive switching transients in 12 V vehicle systems. IC Role / Device Role / Timing Role: Bidirectional clamping element placed directly at connector interface to limit voltage excursions to <50 V. Use Value: Prevents latch-up or permanent damage to TJA1042-level transceivers during ISO 7637-2 Pulse 5a (load dump up to 60 V). |
Use Scenario: Shielding analog output lines (4–20 mA) of pressure/temperature sensors from ESD and field wiring surges. IC Role / Device Role / Timing Role: Low-capacitance transient suppressor mounted adjacent to sensor amplifier output stage. Use Value: Maintains signal integrity by clamping transients within 100 ns while adding <0.5 pF parasitic capacitance at 1 MHz. |
| Consumer Power Adapter Input Stage | Telecom Line Interface Protection |
Use Scenario: Secondary-side overvoltage suppression in flyback converters powering USB-C PD controllers. IC Role / Device Role / Timing Role: Standoff-rated TVS across DC output rails to absorb reflected switching spikes and lightning-induced surges. Use Value: Limits output overshoot to 49.9 V during 400 W transients, preventing damage to USB-PD sink ICs rated for 20 V absolute max. |
Use Scenario: Primary protection for Ethernet PHY line drivers exposed to induced surges on outdoor cabling. IC Role / Device Role / Timing Role: First-stage clamp ahead of GDT or polymer PTC, absorbing fast-rising common-mode transients. Use Value: Clamps 1 kV/μs transients to <50 V within nanoseconds, reducing stress on downstream secondary protection devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ36CA | Surface-mount SMB package (3.5 × 3.5 mm), same VBR range and PPPM, but lower IPPM (6.4 A) and higher VC (58.1 V) | Requires PCB redesign for SMT layout; better suited for space-constrained consumer electronics vs. through-hole industrial modules | Select when board real estate is limited and reflow assembly is available; verify VC margin with downstream IC absolute max ratings |
| 1.5KE36CA | Higher PPPM (1500 W), larger DO-201 package, same VBR/VC specs, but not AEC-Q101 qualified | Used in non-automotive industrial power supplies where higher surge margin is needed but automotive qualification is unnecessary | Choose for heavy-duty AC line protection where 1500 W pulse handling outweighs AEC-Q101 requirement and DO-41 footprint constraints |
Compared with SMBJ36CA and 1.5KE36CA, the P4KE36CAHE3/54 uniquely balances AEC-Q101 compliance, DO-41 through-hole compatibility, and 400 W pulse capability - making it optimal for cost-sensitive, thermally constrained automotive and industrial control boards requiring proven reliability without SMT conversion.
Availability
P4KE36CAHE3/54 is available at Aetrix Electronics and suitable for automotive ECU design, industrial sensor interface protection, and telecom line conditioning requiring stable component supply across multi-year production cycles.
Supply support for P4KE36CAHE3/54 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, MOSFETs, and passive components with emphasis on reliability and automotive-grade qualification.
The P4KE series belongs to Vishay's TRANSZORB® TVS family, engineered specifically for robust transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where failure modes must be mitigated without compromising signal integrity.
FAQ
What does the "CA" suffix indicate in P4KE36CAHE3/54?
The "CA" suffix denotes a bidirectional configuration - meaning the P4KE36CAHE3/54 functions identically in both forward and reverse bias directions, unlike unidirectional variants (e.g., P4KE36A) that require correct polarity installation. This makes P4KE36CAHE3/54 ideal for AC-coupled or floating signal lines where voltage polarity is undefined or alternating.
Is P4KE36CAHE3/54 suitable for protecting 3.3 V logic circuits?
No - the P4KE36CAHE3/54 has a 30.8 V stand-off voltage (VWM) and 49.9 V clamping voltage (VC), which far exceed safe operating limits for 3.3 V ICs. It is intended for higher-voltage domains such as 24 V industrial controls, 12 V automotive power nets, or telecom line interfaces. For 3.3 V logic, lower-voltage TVS devices like SMAJ3.3A would be appropriate.
How does the HE3 suffix differ from E3 in P4KE36CAHE3/54?
The HE3 suffix indicates AEC-Q101 qualification and JESD 201 Class 2 whisker resistance, whereas E3 denotes commercial-grade RoHS compliance only. P4KE36CAHE3/54 is therefore certified for automotive applications requiring extended temperature cycling, high-temperature reverse bias life testing, and enhanced metallurgical stability - critical for under-hood deployment where P4KE36CAHE3/54 must operate reliably from –55 °C to +175 °C.
What is the maximum clamping voltage of P4KE36CAHE3/54 under full-rated surge current?
The maximum clamping voltage (VC) of P4KE36CAHE3/54 is 49.9 V at 8.0 A peak pulse current (IPPM) using the standardized 10/1000 μs waveform. This value is guaranteed per Vishay's datasheet and represents the upper limit of voltage imposed on the protected circuit during worst-case transient events - essential for verifying margin against downstream IC absolute maximum ratings.
Can P4KE36CAHE3/54 be used in parallel to increase surge current handling?
No - P4KE36CAHE3/54 should not be paralleled due to inherent parameter variation (e.g., VBR tolerance ±5 %) causing uneven current sharing and potential thermal runaway. For higher surge capacity, select a single higher-rated device such as 1.5KE36CA (1500 W) or use coordinated staged protection with upstream GDTs and downstream low-capacitance TVS arrays - not multiple P4KE36CAHE3/54 units.
P4KE36CAHE3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AL, DO-41, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 30.8V
- Voltage - Breakdown (Min):
- 34.2V
- Voltage - Clamping (Max) @ Ipp:
- 49.9V
- Current - Peak Pulse (10/1000µs):
- 8A
- Power - Peak Pulse:
- 400W
- 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-204AL (DO-41)
P4KE36CAHE3/54 FAQ
1.How can I place an order for P4KE36CAHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE36CAHE3/54 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 P4KE36CAHE3/54 reliable?
The price and inventory of P4KE36CAHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE36CAHE3/54 is usually 5 days.
3.What payment methods are accepted for P4KE36CAHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE36CAHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE36CAHE3/54?
P4KE36CAHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE36CAHE3/54 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 P4KE36CAHE3/54?
For technical support, including P4KE36CAHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE36CAHE3/54 requirements.
6.How does Aetrix verify that P4KE36CAHE3/54 is sourced from the original manufacturer or authorized distributors?
All P4KE36CAHE3/54 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 P4KE36CAHE3/54 meets industry standards.
7.What is the process for return or replacement of P4KE36CAHE3/54?
All P4KE36CAHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE36CAHE3/54, 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 P4KE36CAHE3/54 part is unused and in its original packaging.
Return procedure for P4KE36CAHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4KE36CAHE3/54 Tags
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