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P6KE33A-E3/73
Vishay General Semiconductor - Diodes Division
TVS DIODE 28.2VWM 45.7VC DO204AC
20246 Pcs New Original In Stock
45.7V Clamp 13.1A Ipp Tvs Diode Through Hole DO-204AC (DO-15)
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5.0 / 5.0
- (91 Ratings)
P6KE33A-E3/73
Product Overview
949980
DiGi Electronics Part Number
P6KE33A-E3/73-DGManufacturer
Vishay General Semiconductor - Diodes Division
P6KE33A-E3/73
Description
TVS DIODE 28.2VWM 45.7VC DO204ACInventory
20246 Pcs New Original In Stock
45.7V Clamp 13.1A Ipp Tvs Diode Through Hole DO-204AC (DO-15)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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P6KE33A-E3/73 Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
-
Series
TransZorb®
Product Status
Active
Type
Zener
Unidirectional 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
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
P6KE33
Datasheet & Documents
HTML Datasheet
P6KE33A-E3/73-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
2,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
포장 상태가 견고했고, 배송 과정도 투명해서 걱정없이 주문할 수 있었어요. 물류 추적이 매우 편리했어요.
de desembre 02, 2025
每次來DiGi Electronics都能找到符合預算的商品，價格真的很親民。
de desembre 02, 2025
Schon beim Bestellen war die Geschwindigkeit des Versands deutlich bemerkbar.
de desembre 02, 2025
Die Website bietet hilfreiche Kundenbewertungen, die bei der Auswahl unterstützend waren.
de desembre 02, 2025
I value how DiGi Electronics combines product diversity with transparent, upfront pricing.
de desembre 02, 2025
Their products have proven to be long-lasting and trustworthy over the years.
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Frequently Asked Questions (FAQ)
What design challenges should I consider when using the P6KE33A-E3/73 for transient protection in a high-temperature industrial environment?
When using the P6KE33A-E3/73 in high-temperature environments up to 175°C, thermal derating must be carefully managed. While the device has a high junction temperature rating, prolonged exposure to temperatures above 100°C can accelerate aging and increase leakage current. Ensure adequate PCB copper heat sinking for the through-hole DO-204AC package and avoid placing the P6KE33A-E3/73 near other heat-generating components. Also verify that transient events won't cause cumulative thermal stress, especially when operating near the upper temperature limit.
Can the P6KE33A-E3/73 directly replace a Littelfuse 1.5KE33A in a 24V power rail surge protection circuit?
Although both the P6KE33A-E3/73 and Littelfuse 1.5KE33A target 24V systems with similar clamping voltages, they differ in peak pulse current (13.1A vs. 14.1A) and package thermal dissipation. The P6KE33A-E3/73 has a 600W rating vs. 1500W for the 1.5KE33A, making it less suitable for repeated high-energy transients. In applications with frequent surges (e.g., industrial motor controls), using the P6KE33A-E3/73 as a direct replacement risks premature failure. If the surge duty is light (e.g., ESD or occasional load dump), derate the design and confirm margin over worst-case expected transients.
How does the unidirectional design of the P6KE33A-E3/73 impact its use in AC-coupled signal lines?
The P6KE33A-E3/73 is a unidirectional TVS diode, meaning it only protects against positive voltage transients when installed with cathode to line. In AC-coupled applications, negative half-cycles will forward-bias the device, creating a low-impedance path that can distort signals or damage the diode. For AC lines, use a bidirectional TVS like the P6KE33CA-E3/73 instead. If mixing signal polarities, always verify terminal connections under both normal and fault conditions to avoid unintended conduction with the P6KE33A-E3/73.
What PCB layout practices should I follow to maximize the surge current performance of the P6KE33A-E3/73?
To ensure the P6KE33A-E3/73 handles its rated 13.1A peak pulse current effectively, minimize trace inductance between the diode and protected line. Use short, wide traces (≥ 20 mils) and place the P6KE33A-E3/73 as close as possible to the entry point of the transient (e.g., connectors). Connect the ground path to a solid plane with multiple vias to reduce impedance. Poor layout can cause overshoot beyond the 45.7V clamping voltage, stressing downstream components despite the P6KE33A-E3/73 being within its datasheet limits.
What are the reliability risks of using the P6KE33A-E3/73 in a sealed outdoor enclosure with temperature cycling?
Using the P6KE33A-E3/73 in sealed outdoor enclosures exposes it to thermal cycling and potential condensation upon power cycling. While the device is rated for -55°C to 175°C, repeated expansion and contraction can fatigue solder joints due to CTE mismatch in the axial DO-204AC package. Mitigate this by using through-hole mounting with compliant lead bends and avoiding rigid PCB fixation. Additionally, verify that enclosure materials don’t outgas halogens or sulfur compounds, which could corrode the P6KE33A-E3/73’s metallic case over time, especially in humid conditions.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
P6KE33A-E3/73 CAD Models
Vishay General Semiconductor - Diodes Division P6KE33A-E3/73 PCB symbols & footprints
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