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P6KE43CA-E3/73
Vishay General Semiconductor - Diodes Division
TVS DIODE 36.8VWM 59.3VC DO204AC
3270 Pcs New Original In Stock
59.3V Clamp 10.1A Ipp Tvs Diode Through Hole DO-204AC (DO-15)
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5.0 / 5.0
- (78 Ratings)
P6KE43CA-E3/73
Product Overview
946999
DiGi Electronics Part Number
P6KE43CA-E3/73-DGManufacturer
Vishay General Semiconductor - Diodes Division
P6KE43CA-E3/73
Description
TVS DIODE 36.8VWM 59.3VC DO204ACInventory
3270 Pcs New Original In Stock
59.3V Clamp 10.1A Ipp Tvs Diode Through Hole DO-204AC (DO-15)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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P6KE43CA-E3/73 Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Cut Tape, Reel
Series
TransZorb®
Product Status
Active
Type
Zener
Bidirectional Channels
1
Voltage - Reverse Standoff (Typ)
36.8V
Voltage - Breakdown (Min)
40.9V
Voltage - Clamping (Max) @ Ipp
59.3V
Current - Peak Pulse (10/1000µs)
10.1A
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
P6KE43
Datasheet & Documents
HTML Datasheet
P6KE43CA-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
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MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
성능과 가격 모두 만족스러워서 재구매 의사 있습니다.
de desembre 02, 2025
The customer service team is responsive and genuinely cares about customer satisfaction.
de desembre 02, 2025
Delivery was swift, and the customer service team was very helpful.
de desembre 02, 2025
Reliable, affordable, and designed to last—that’s how I describe DiGi Electronics.
de desembre 02, 2025
Affordable prices combined with top-tier quality make DiGi Electronics my preferred supplier.
de desembre 02, 2025
The reliability of DiGi Electronics' products has significantly improved our operational efficiency.
de desembre 02, 2025
Their pricing is very competitive, and the shipping is always timely.
de desembre 02, 2025
Their rapid shipping process ensures my deadlines are always met without stress.
de desembre 02, 2025
The packaging’s quality truly reflects their high standards from start to finish.
de desembre 02, 2025
After-sales support was quick and professional, making my experience excellent.
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Frequently Asked Questions (FAQ)
What design risks should I consider when using the P6KE43CA-E3/73 for transient protection in a high-temperature industrial environment?
When using the P6KE43CA-E3/73 in high-temperature environments, ensure junction temperatures remain within the -55°C to +175°C operating range. Since this TVS diode has no power line protection rating, verify system-level thermal dissipation—especially under repetitive transients. Use adequate copper traces for heat spreading and avoid enclosed spaces without ventilation. Derate peak pulse current (10.1A max at 10/1000μs) as ambient temperature exceeds 85°C to prevent premature aging or thermal runaway, impacting long-term reliability in rugged applications.
How does the clamping voltage of the P6KE43CA-E3/73 compare to similar 600W bidirectional TVS diodes like the SMAJ43CA, and what are the implications for circuit robustness?
The P6KE43CA-E3/73 clamps at 59.3V maximum under 10.1A (10/1000μs), offering tighter transient control than surface-mount alternatives like the SMAJ43CA (clamping ~64.2V at 6.5A). The lower clamping voltage of the P6KE43CA-E3/73 means better protection for sensitive downstream ICs, especially in 24V or 36V industrial control circuits. However, its axial through-hole package limits PCB density compared to SMAJ43CA. Choose the P6KE43CA-E3/73 when robust surge handling and lower clamping are prioritized over compact layout.
Can I directly replace a P6KE43CA with a P6KE43CA-E3/73 in an existing power supply design without layout changes?
Yes, the P6KE43CA-E3/73 is a direct replacement for legacy P6KE43CA variants, including P6KE43CA-TP and TP6KE43CA, with identical electrical characteristics and DO-204AC (DO-15) through-hole packaging. The '-E3/73' suffix indicates tape-and-reel packaging and RoHS3 compliance but does not affect form, fit, or function. Confirm lead finish compatibility with your soldering process (Sb/Ag termination), and ensure existing PCB cutouts and creepage distances accommodate the axial package safely.
What are the implications of using the P6KE43CA-E3/73 in a 36V DC rail with occasional load dump transients exceeding 60V?
The P6KE43CA-E3/73 has a reverse standoff voltage of 36.8V and a breakdown minimum of 40.9V, meaning it may conduct slightly during normal operation near 36V. In a 36V system with frequent transients approaching or exceeding 59.3V (clamping voltage), the diode will activate, but repeated exposure risks thermal degradation due to limited heat dissipation in DO-15 packages. To safely use the P6KE43CA-E3/73 in load dump scenarios—common in automotive or industrial systems—add upstream series impedance or combine it with a varistor for energy sharing. Monitor transient frequency and duration to avoid exceeding cumulative power dissipation limits.
How does the bidirectional configuration of the P6KE43CA-E3/73 impact its use in AC signal line protection compared to unidirectional TVS diodes?
The bidirectional design of the P6KE43CA-E3/73 allows protection of AC or bipolar signal lines without polarity concerns, making it ideal for AC power monitoring circuits or differential lines prone to ESD or surges. Unlike unidirectional TVS diodes that conduct only on negative transients, the P6KE43CA-E3/73 responds symmetrically to both polarities. However, ensure the 36.8V reverse standoff rating accounts for peak AC voltage—not RMS—to prevent leakage during normal operation. Use this device when signal polarity varies or field wiring is uncontrolled, balancing ease of integration with appropriate voltage margining.
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.
P6KE43CA-E3/73 CAD Models
Vishay General Semiconductor - Diodes Division P6KE43CA-E3/73 PCB symbols & footprints
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