My Inquiry
My Account
Vishay General Semiconductor - Diodes Division P6KE440A-E3/54
- Part No.:
- P6KE440A-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE440A-E3/54.pdf
- Description:
- TVS DIODE 376VWM 602VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:2,308
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6KE440A-E3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-15 package, designed to protect sensitive electronics against voltage transients induced by inductive load switching and lightning surges. It features 600 W peak pulse power (10/1000 μs), 418–462 V breakdown voltage at 1 mA, and clamps to ≤602 V at 1.00 A peak pulse current. Used for overvoltage protection on DC power rails and signal lines in industrial and automotive systems.
For engineers reviewing the P6KE440A-E3/54 datasheet, P6KE440A-E3/54 pinout, P6KE440A-E3/54 application, or P6KE440A-E3/54 equivalent, key selection criteria include standoff voltage (376 V), clamping performance under 10/1000 μs surge, thermal resistance (20 °C/W junction-to-lead), AEC-Q101 qualification status, and DO-15 mechanical compatibility with legacy PCB footprints.
Technical Context
This unidirectional TVS operates as a voltage-clamped shunt protector: it remains high-impedance below 376 V (VWM), then avalanches sharply at 418–462 V (VBR) to divert transient energy. Its glass-passivated junction enables fast response (<1 ns) and stable breakdown characteristics across temperature.
Designed for single-pulse or low-duty-cycle (0.01 %) surge events, it sustains 100 A non-repetitive forward surge (8.3 ms half-sine) and dissipates 5.0 W continuously on infinite heatsink at TL = 75 °C. Thermal resistance values (RθJL = 20 °C/W, RθJA = 75 °C/W) define its power derating behavior above 25 °C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM Standoff Voltage | 376 V - Maximum continuous reverse operating voltage before conduction begins |
| VBR Breakdown Voltage | 418–462 V at 1.0 mA - Confirmed avalanche initiation range defining protection threshold |
| VC Clamping Voltage | ≤602 V at IPPM = 1.00 A (10/1000 μs) - Maximum voltage seen by protected circuit during rated surge |
| PPPM Peak Pulse Power | 600 W - Surge energy handling capability per standardized 10/1000 μs waveform |
| IFSM Surge Current | 100 A - Non-repetitive forward surge rating (8.3 ms half-sine), critical for inductive kick survival |
| TJ Max Operating Temp | 175 °C - Junction temperature limit enabling use in under-hood automotive environments |
| RθJL Thermal Resistance | 20 °C/W - Junction-to-lead thermal impedance determining PCB copper pour requirements |
Pinout & Package
Package: DO-15 (DO-204AC), axial-leaded, epoxy-molded case with matte tin-plated leads. Cathode indicated by color band on one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line; conducts during positive transients when cathode is biased higher |
| Cathode | Reverse-biased clamping terminal | Marked end; connected to higher-potential rail (e.g., VCC) to clamp negative transients to ground or suppress positive surges via shunt path |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling and humidity stress |
| 600 W peak pulse power (10/1000 μs) | Provides robust protection against IEC 61000-4-5 Level 4 surges (4 kV/2 Ω) on 48 V DC systems |
| AEC-Q101 qualified (HE3 variant); E3 is commercial grade | P6KE440A-E3/54 meets commercial-grade reliability; HE3 suffix required for automotive qualification |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (<1 ns response), reducing risk of IC latch-up |
| UL 94 V-0 compliant molding compound | Meets flammability safety standards for enclosed industrial and telecom equipment enclosures |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
Use Scenario: Protection of 48 V DC bus against back-EMF from brushed DC motors and solenoid coils. IC Role / Device Role / Timing Role: Unidirectional shunt clamping device placed between VBAT and chassis ground to clamp inductive spikes. Use Value: Limits transient voltage to ≤602 V, preventing damage to MOSFET gate drivers and microcontrollers operating near 376 V nominal rail. | Use Scenario: Safeguarding LIN bus transceivers and sensor inputs from load dump and jump-start surges. IC Role / Device Role / Timing Role: Standoff-rated TVS on power input pins of BCM submodules to absorb 12 V system transients up to 600 W. Use Value: Withstands 100 A surge (8.3 ms) without failure, maintaining functional safety integrity during ISO 7637-2 Pulse 5a events. |
| Telecom Power Feeds | Renewable Energy Inverters |
Use Scenario: Overvoltage protection on -48 V DC telecom rectifier outputs exposed to lightning-induced surges on outdoor cabling. IC Role / Device Role / Timing Role: Primary shunt protector on DC distribution board feeding remote radio units. Use Value: Clamps 10/1000 μs surges to ≤602 V while maintaining 376 V system stability-critical for uninterrupted PoE+ and baseband processor operation. | Use Scenario: DC-link protection in solar string inverters where PV array open-circuit voltage reaches ~440 V. IC Role / Device Role / Timing Role: Unidirectional TVS across DC bus capacitors to suppress switching transients and grid fault coupling. Use Value: Matches system VOC margin with 418–462 V VBR, ensuring reliable clamping without false triggering during normal MPPT operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ440A | Same VBR range (418–462 V), but SMC (DO-214AB) package; 600 W rating; lower RθJA (50 °C/W vs. 75 °C/W) | Surface-mount footprint replaces through-hole DO-15; requires PCB rework and solder profile adjustment | Select SMBJ440A only when migrating to SMT assembly and thermal management allows tighter layout. |
| 1.5KE440A | Same DO-15 package and VBR, but 1500 W peak power (10/1000 μs); higher IPPM (2.3 A); larger case volume | Higher surge margin for mission-critical 48 V systems subject to repeated lightning exposure | Choose 1.5KE440A where sustained surge repetition or extended lifetime under harsh field conditions is required. |
Compared with SMBJ440A and 1.5KE440A, P6KE440A-E3/54 offers optimal cost-performance balance for commercial-grade 48–60 V DC systems with moderate surge exposure, retaining legacy DO-15 compatibility without over-engineering.
Availability
P6KE440A-E3/54 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, and telecom power feeds requiring stable component supply and DO-15 footprint continuity.
Supply support for P6KE440A-E3/54 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-sensitive, high-volume transient suppression in commercial and industrial power systems, delivering robust 600 W surge handling in the compact DO-15 form factor.
FAQ
What is the maximum clamping voltage of the P6KE440A-E3/54 under standard test conditions?
The P6KE440A-E3/54 has a maximum clamping voltage (VC) of 602 V when subjected to a 10/1000 μs waveform at peak pulse current (IPPM) of 1.00 A. This value is measured per JEDEC standards and defines the upper voltage limit imposed on protected circuitry during a defined surge event. The clamping performance is guaranteed across the full operating temperature range and forms the basis for system-level surge immunity design using P6KE440A-E3/54.
Is the P6KE440A-E3/54 suitable for automotive applications?
The P6KE440A-E3/54 is rated for commercial-grade use and is not AEC-Q101 qualified. For automotive applications, Vishay specifies the HE3 suffix variant (e.g., P6KE440AHE3/54) which undergoes full AEC-Q101 stress testing. Using P6KE440A-E3/54 in automotive environments may compromise long-term reliability under temperature cycling, vibration, and humidity; always verify qualification status via the full part number and consult Vishay's automotive product matrix before deployment in vehicle systems.
What does the "E3/54" suffix indicate in P6KE440A-E3/54?
The "E3" suffix denotes RoHS-compliant, commercial-grade construction with matte tin-plated leads meeting J-STD-002 solderability and JESD 201 Class 1A whisker resistance. The "/54" indicates packaging in 13-inch diameter paper tape and reel, with a base quantity of 4000 units per reel. This ordering code ensures traceable, standardized logistics compatible with automated placement equipment and aligns with Vishay's commercial distribution channel requirements for P6KE440A-E3/54.
How does the P6KE440A-E3/54 compare to bidirectional TVS diodes like P6KE440CA?
The P6KE440A-E3/54 is unidirectional and protects against transients of one polarity only-typically used on DC power lines where the cathode connects to the positive rail. In contrast, P6KE440CA is bidirectional and symmetrically clamps both positive and negative excursions, making it suitable for AC lines or data signals. Their VBR and VC values differ: P6KE440CA has VBR = 418–462 V in both directions but is not interchangeable with P6KE440A-E3/54 without circuit redesign due to polarity and grounding implications.
What thermal derating applies to the P6KE440A-E3/54 above 25 °C ambient?
P6KE440A-E3/54 follows a linear derating curve starting at 25 °C: its 5.0 W steady-state power dissipation decreases by approximately 66.7 mW/°C above that point, reaching zero at 100 °C ambient (per Fig. 5). This behavior stems from its RθJA = 75 °C/W and must be accounted for in enclosure thermal design. For higher ambient operation, PCB copper area and airflow must be increased to maintain junction temperature below 175 °C-especially critical during repetitive surge events where P6KE440A-E3/54 self-heats.
P6KE440A-E3/54 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 376V
- Voltage - Breakdown (Min):
- 418V
- Voltage - Clamping (Max) @ Ipp:
- 602V
- Current - Peak Pulse (10/1000µs):
- 1A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
P6KE440A-E3/54 FAQ
1.How can I place an order for P6KE440A-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE440A-E3/54 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 P6KE440A-E3/54 reliable?
The price and inventory of P6KE440A-E3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE440A-E3/54 is usually 5 days.
3.What payment methods are accepted for P6KE440A-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE440A-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE440A-E3/54?
P6KE440A-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE440A-E3/54 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 P6KE440A-E3/54?
For technical support, including P6KE440A-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE440A-E3/54 requirements.
6.How does Aetrix verify that P6KE440A-E3/54 is sourced from the original manufacturer or authorized distributors?
All P6KE440A-E3/54 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 P6KE440A-E3/54 meets industry standards.
7.What is the process for return or replacement of P6KE440A-E3/54?
All P6KE440A-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE440A-E3/54, 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 P6KE440A-E3/54 part is unused and in its original packaging.
Return procedure for P6KE440A-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KE440A-E3/54 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
