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P6KE300A-E3/54
Vishay General Semiconductor - Diodes Division
TVS DIODE 256VWM 414VC DO204AC
17141 Pcs New Original In Stock
414V Clamp 1.4A Ipp Tvs Diode Through Hole DO-204AC (DO-15)
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5.0 / 5.0
- (90 Ratings)
P6KE300A-E3/54
Product Overview
973041
DiGi Electronics Part Number
P6KE300A-E3/54-DGManufacturer
Vishay General Semiconductor - Diodes Division
P6KE300A-E3/54
Description
TVS DIODE 256VWM 414VC DO204ACInventory
17141 Pcs New Original In Stock
414V Clamp 1.4A Ipp Tvs Diode Through Hole DO-204AC (DO-15)
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Quantity
Minimum 1
Minimum 1
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P6KE300A-E3/54 Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Tape & Reel (TR)
Series
TransZorb®
Product Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
256V
Voltage - Breakdown (Min)
285V
Voltage - Clamping (Max) @ Ipp
414V
Current - Peak Pulse (10/1000µs)
1.4A
Power - Peak Pulse
600W
Power Line Protection
No
Applications
General Purpose
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 175°C (TJ)
Mounting Type
Through Hole
Package / Case
DO-204AC, DO-15, Axial
Supplier Device Package
DO-204AC (DO-15)
Base Product Number
P6KE300
Datasheet & Documents
HTML Datasheet
P6KE300A-E3/54-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.10.0080
Additional Information
Standard Package
4,000
Alternative Parts
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MANUFACTURER
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Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
응답이 빠르고 세심하게 처리해주셔서 감동받았어요.
de desembre 02, 2025
Les prix sont justes et transparents, c’est rassurant pour mon business.
de desembre 02, 2025
Hier fühlt man sich willkommen. Freundliche Mitarbeiter und Preise, die überzeugen.
de desembre 02, 2025
I was impressed by how quickly my order was shipped—got it within just a few days.
de desembre 02, 2025
I value their prompt response and thorough support.
de desembre 02, 2025
Fast response times from customer service helped me resolve my questions quickly.
de desembre 02, 2025
The product's robustness is evident—I've dropped it multiple times and it still works perfectly.
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Frequently Asked Questions (FAQ)
What are the key reliability risks when using the P6KE300A-E3/54 in high-vibration industrial environments, and how does its DO-204AC axial package impact long-term mechanical stability?
The P6KE300A-E3/54’s through-hole DO-204AC (DO-15) axial package, while robust for standard applications, can be susceptible to fatigue failure under sustained high vibration or thermal cycling due to lead stress and solder joint degradation. In industrial settings with motors, compressors, or heavy machinery, repeated mechanical stress may cause microcracks in solder joints or lead fractures over time. To mitigate this, secure the component with strain relief (e.g., tie-downs or adhesive anchoring) and ensure proper PCB pad design with adequate annular rings. Additionally, consider conformal coating to reduce moisture-induced corrosion at stress points. For extreme environments, evaluate ruggedized alternatives like surface-mount TVS arrays with better vibration tolerance, though the P6KE300A-E3/54 remains viable with proper mechanical design practices.
Can the P6KE300A-E3/54 safely replace a Littelfuse SA300A in a 240V AC line protection circuit, and what derating or layout considerations are critical for reliable operation?
While both the P6KE300A-E3/54 (Vishay) and SA300A (Littelfuse) are 300V-class unidirectional TVS diodes with similar clamping voltages (~414V), direct replacement requires careful evaluation. The P6KE300A-E3/54 has a slightly higher minimum breakdown voltage (285V vs. 270V typical for SA300A), which may reduce margin in low-line conditions but improves noise immunity. However, its peak pulse power rating (600W vs. 500W for SA300A) offers better surge handling. For 240V AC line protection, ensure the system’s maximum continuous operating voltage stays below 256V (reverse standoff), and apply a 20% derating for long-term reliability. Critically, maintain short, low-inductance traces between the TVS and protected circuitry to minimize inductive voltage overshoot during fast transients—this is more impactful than minor parametric differences between brands.
How does the P6KE300A-E3/54 perform in repeated ESD or lightning surge scenarios compared to modern low-capacitance TVS diodes, and when should it be avoided in high-speed signal lines?
The P6KE300A-E3/54, as a general-purpose TransZorb® diode, lacks specified capacitance values and is not optimized for high-speed signal integrity. In repeated ESD or IEC 61000-4-5 surge events, it provides robust clamping but may exhibit gradual degradation due to its relatively high junction capacitance (estimated >100pF), which can distort fast edges in data lines above 10Mbps. For USB, Ethernet, or RF applications, this capacitance introduces signal attenuation and timing skew. Avoid using the P6KE300A-E3/54 on high-speed interfaces; instead, select low-capacitance TVS arrays like the Vishay SMBJ series or Semtech RClamp variants. Reserve the P6KE300A-E3/54 for power rails, relay drivers, or low-frequency control lines where surge energy absorption outweighs capacitance concerns.
What thermal management strategies are necessary when deploying the P6KE300A-E3/54 in enclosed power supplies operating near its 175°C junction temperature limit?
Operating the P6KE300A-E3/54 near its 175°C Tj(max) in enclosed systems significantly reduces mean time between failures (MTBF) due to accelerated semiconductor aging and thermal fatigue. Although the device is rated for -55°C to 175°C, sustained operation above 125°C demands proactive thermal design. Ensure adequate airflow over the axial body and avoid proximity to heat-generating components like transformers or MOSFETs. Use thermal vias under the leads if mounted on a multilayer PCB, and consider a small heatsink or thermal pad for continuous high-duty-cycle surge environments. Monitor case temperature—keeping it below 125°C—extends reliability. In sealed enclosures, derate power handling by 30–40% and validate thermal performance with infrared imaging during surge testing to prevent latent failures.
Is the P6KE300A-E3/54 suitable for protecting 277V AC mains in commercial lighting systems, and how does its 256V reverse standoff voltage affect long-term safety margins?
Using the P6KE300A-E3/54 on 277V AC mains presents a marginal design with limited safety headroom. The 256V reverse standoff voltage is below the nominal 277V RMS line voltage (which peaks at ~392V), meaning the diode may experience near-continuous reverse bias stress during normal operation, increasing leakage current and risk of thermal runaway over time. While transient clamping at 414V protects against surges, the reduced margin violates best practices for AC line protection, which typically require a minimum 20–30% voltage overhead. Instead, select a higher-voltage TVS such as the P6KE350A (350V standoff) or a bidirectional variant like the P6KE350CA to accommodate both positive and negative half-cycles safely. For 277V systems, the P6KE300A-E3/54 should only be considered in non-critical, short-lifespan applications with additional overvoltage monitoring.
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P6KE300A-E3/54 CAD Models
Vishay General Semiconductor - Diodes Division P6KE300A-E3/54 PCB symbols & footprints
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