My Inquiry
My Account
Vishay General Semiconductor - Diodes Division P4KE550-E3/54
- Part No.:
- P4KE550-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE550-E3/54.pdf
- Description:
- TVS DIODE 495VWM 760VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:10,958
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P4KE550-E3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-41 package, designed for overvoltage protection of sensitive electronics. It features a 550 V breakdown voltage (VBR), 760 V clamping voltage (VC) at 400 mA, 300 W peak pulse power (10/1000 µs), and operates from –55 °C to +150 °C. It is used to protect MOSFETs, ICs, and sensor signal lines against inductive switching transients and lightning surges.
For engineers reviewing the P4KE550-E3/54 datasheet, P4KE550-E3/54 pinout, P4KE550-E3/54 application, or P4KE550-E3/54 equivalent, key selection criteria include standoff voltage (495 V), clamping performance under 10/1000 µs surge, thermal resistance (RθJA = 125 °C/W), unidirectional polarity, and DO-41 mechanical compatibility with legacy through-hole PCB layouts.
Technical Context
This TVS diode employs a glass-passivated silicon junction to achieve fast response time (<1 ns) and low incremental surge resistance. Its unidirectional configuration provides reverse-biased transient clamping only, with no forward conduction during normal operation beyond standard diode drop.
The device complies with JESD 22-B106 (solder dip 275 °C max., 10 s) and JESD 201 Class 1A whisker testing. Its 90 pF capacitance at 0 V bias and 7.5 pF at 200 V bias enables use on moderate-speed signal lines without excessive signal distortion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min) | 550 V - guaranteed minimum breakdown voltage at 100 μA test current; defines lowest voltage at which clamping initiates |
| VWM | 495 V - maximum continuous reverse working voltage; circuit must not exceed this in normal operation |
| VC @ 400 mA | 760 V - clamped voltage during 10/1000 µs surge; determines worst-case stress on protected downstream components |
| PPPM | 300 W - peak pulse power handling (10/1000 µs); sets surge energy absorption capability per event |
| ID @ VWM | 1.0 μA - DC reverse leakage at standoff voltage; ensures minimal power loss and signal interference |
| TJ max. | +150 °C - maximum junction temperature; constrains thermal design margin under sustained surge duty |
| CJ @ 1 MHz, 0 V | 90 pF - junction capacitance at zero bias; impacts high-frequency signal integrity on protected lines |
Pinout & Package
Package: DO-41 (DO-204AL), axial-leaded, epoxy-molded case with matte tin-plated leads. Cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (banded end) | Cathode terminal | Marked end connects to system ground or lower-potential rail; reverse-biased during clamping |
| Cathode (non-banded end) | Anode terminal | Connects to protected line; conducts surge current toward ground when VLINE exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enables stable VBR tolerance and long-term reliability under repeated surge stress |
| Unidirectional configuration | Provides reverse-transient suppression only; avoids forward conduction during normal signal swing |
| 760 V clamping at 400 mA | Limits voltage overshoot to safe levels for 500–600 V-rated MOSFETs and logic interfaces |
| UL 94 V-0 molding compound | Meets flammability safety requirements for industrial and telecom end equipment |
| JESD 201 Class 1A whisker resistance | Prevents tin whisker growth in high-reliability, long-life applications |
Applications
| Industrial Motor Drives | Telecom Power Interfaces |
|---|---|
Use Scenario: Protection of gate drivers and IGBTs against inductive kickback from relay coils and solenoid loads. IC Role / Device Role / Timing Role: Unidirectional TVS placed across DC bus or gate-source terminals to clamp negative-going transients. Use Value: Prevents gate oxide rupture and latch-up by limiting transient voltage to ≤760 V while dissipating up to 300 W per event. | Use Scenario: Surge suppression on -48 V DC power feeds entering telecom base station cabinets. IC Role / Device Role / Timing Role: Primary-level TVS on input power rail, coordinated with upstream MOVs and downstream POL converters. Use Value: Withstands 10/1000 µs lightning surges per IEC 61000-4-5 Level 4 while maintaining <1.0 μA leakage at nominal -48 V operation. |
| Automotive Body Control Modules | Industrial Sensor Signal Conditioning |
Use Scenario: Protection of LIN bus transceivers and microcontroller I/O pins against load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Localized TVS on each protected signal line, mounted near connector entry point. Use Value: Fast <1 ns response captures edge of 100 ns rise-time transients; DO-41 footprint allows manual rework in legacy automotive harness assemblies. | Use Scenario: Shielding analog outputs (e.g., 4–20 mA loops) and digital sensor interfaces (I²C, SPI) from ESD and field-induced surges. IC Role / Device Role / Timing Role: Low-capacitance (90 pF @ 0 V) TVS placed directly at connector or IC pad to minimize stub length. Use Value: Clamps transients to ≤760 V without distorting 1 MHz sensor signals due to controlled junction capacitance profile. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ55A | Surface-mount SMB package; 55 V standoff (VWM = 49.5 V), lower clamping (93.6 V), higher PPPM (600 W) | Designed for automated SMT assembly; unsuitable for through-hole legacy boards | Select when upgrading to SMT and requiring higher surge rating with tighter board space |
| 1N5388B | DO-41 Zener diode; 550 V Zener voltage, 5 W steady-state dissipation, no specified surge rating or clamping curve | Lacks defined transient response, clamping, or surge waveform compliance; not rated for TVS use | Not recommended as functional alternative; only consider if only DC regulation-not transient suppression-is required |
Compared with SMBJ55A and 1N5388B, the P4KE550-E3/54 delivers verified 300 W 10/1000 µs surge capability in a proven through-hole DO-41 package, with documented clamping voltage, leakage, and thermal resistance-making it suitable for retrofit, repair, and industrial designs where leaded reliability and manual assembly remain critical.
Availability
P4KE550-E3/54 is available at Aetrix Electronics and suitable for industrial motor drives, telecom power interfaces, automotive body control modules, and industrial sensor signal conditioning requiring stable component supply and long-lifecycle support.
Supply support for P4KE550-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, TVS devices, and optoelectronics with emphasis on reliability and ruggedness.
The P4KE550-E3/54 belongs to Vishay's TRANSZORB® family of transient suppressors, engineered specifically for robust overvoltage protection in harsh environments including industrial, telecom, and automotive applications.
FAQ
What is the standoff voltage rating for P4KE550-E3/54?
The P4KE550-E3/54 has a maximum DC reverse standoff voltage (VWM) of 495 V. This means the device remains non-conductive under continuous reverse bias up to this voltage, making it suitable for circuits operating near 480 V AC-derived DC rails. Exceeding 495 V risks premature conduction and accelerated degradation. The P4KE550-E3/54 datasheet confirms this value at 25 °C with 1.0 μA leakage limit.
Is P4KE550-E3/54 unidirectional or bidirectional?
The P4KE550-E3/54 is unidirectional only, as explicitly stated in the Vishay datasheet. It clamps transients only when the cathode is more positive than the anode - i.e., in reverse bias. It does not provide symmetrical clamping for both polarities. This configuration avoids forward conduction during normal signal operation and is ideal for protecting DC-powered lines referenced to ground.
What is the clamping voltage of P4KE550-E3/54 under surge conditions?
The P4KE550-E3/54 exhibits a maximum clamping voltage (VC) of 760 V when subjected to a 400 mA, 10/1000 µs surge waveform. This value is measured and guaranteed per the datasheet, defining the upper voltage limit imposed on protected circuitry during standardized transient events. It directly determines survivability of downstream 600 V-rated components.
Does P4KE550-E3/54 meet RoHS and lead-free requirements?
Yes, the "E3" suffix in P4KE550-E3/54 indicates full RoHS compliance and commercial-grade qualification. The device uses matte tin-plated leads, conforms to J-STD-002 solderability standards, and passes JESD 201 Class 1A whisker testing. It also meets UL 94 V-0 flammability requirements for the epoxy molding compound.
What is the thermal resistance of P4KE550-E3/54 from junction to ambient?
The P4KE550-E3/54 has a typical junction-to-ambient thermal resistance (RθJA) of 125 °C/W under standard test conditions (free-air, no heatsink). This value governs temperature rise during sustained power dissipation and must be factored into layout decisions - such as copper pour area and trace width - especially when multiple surges occur in quick succession.
P4KE550-E3/54 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 495V
- Voltage - Breakdown (Min):
- 550V
- Voltage - Clamping (Max) @ Ipp:
- 760V
- Current - Peak Pulse (10/1000µs):
- 400mA
- Power - Peak Pulse:
- 300W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 90pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
P4KE550-E3/54 FAQ
1.How can I place an order for P4KE550-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE550-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 P4KE550-E3/54 reliable?
The price and inventory of P4KE550-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 P4KE550-E3/54 is usually 5 days.
3.What payment methods are accepted for P4KE550-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE550-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE550-E3/54?
P4KE550-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE550-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 P4KE550-E3/54?
For technical support, including P4KE550-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE550-E3/54 requirements.
6.How does Aetrix verify that P4KE550-E3/54 is sourced from the original manufacturer or authorized distributors?
All P4KE550-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 P4KE550-E3/54 meets industry standards.
7.What is the process for return or replacement of P4KE550-E3/54?
All P4KE550-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE550-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 P4KE550-E3/54 part is unused and in its original packaging.
Return procedure for P4KE550-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4KE550-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 …
