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30EPH06
Vishay General Semiconductor - Diodes Division
DIODE GP 600V 30A TO247AC
3314 Pcs New Original In Stock
Diode 600 V 30A Through Hole TO-247AC Modified
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5.0 / 5.0
- (367 Ratings)
30EPH06
Product Overview
12948749
DiGi Electronics Part Number
30EPH06-DGManufacturer
Vishay General Semiconductor - Diodes Division
30EPH06
Description
DIODE GP 600V 30A TO247ACInventory
3314 Pcs New Original In Stock
Diode 600 V 30A Through Hole TO-247AC Modified
Quantity
Minimum 1
Minimum 1
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30EPH06 Technical Specifications
Category
Diodes, Rectifiers, Single Diodes
Packaging
-
Series
FRED Pt®
Product Status
Obsolete
Technology
Standard
Voltage - DC Reverse (Vr) (Max)
600 V
Current - Average Rectified (Io)
30A
Voltage - Forward (Vf) (Max) @ If
2.6 V @ 30 A
Speed
Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)
35 ns
Current - Reverse Leakage @ Vr
50 µA @ 600 V
Capacitance @ Vr, F
-
Mounting Type
Through Hole
Package / Case
TO-247-2
Supplier Device Package
TO-247AC Modified
Operating Temperature - Junction
-65°C ~ 175°C
Base Product Number
30EPH06
Datasheet & Documents
Datasheets
Download 30EPH06 Product Specification (PDF)
HTML Datasheet
30EPH06-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.10.0080
Additional Information
Other Names
VS30EPH06-DG
*30EPH06
VS-30EPH06-DG
VS30EPH06
VS-30EPH06
Standard Package
500
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
VS-30EPH06HN3
Vishay General Semiconductor - Diodes Division
697
VS-30EPH06HN3-DG
3.5954
Parametric Equivalent
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
포장 설계가 세심해서 제품이 안전하게 도착했고, 배송 상태도 항상 최신 정보로 업데이트되어 매우 신뢰할 수 있었습니다.
Dec 02, 2025
Je suis toujours satisfait de la durabilité de leurs composants, même après plusieurs utilisations, ils continuent de fonctionner comme neufs.
Dec 02, 2025
The balance between quality and affordability from DiGi Electronics is unmatched.
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Frequently Asked Questions (FAQ)
What are the critical design risks when replacing the obsolete 30EPH06 with a modern alternative like DSEP30-06A in a high-frequency switching power supply?
The 30EPH06, a 600V/30A FRED Pt® fast recovery diode in TO-247AC, is now obsolete, and substituting it with the DSEP30-06A requires careful evaluation of reverse recovery characteristics and thermal performance. While both diodes share similar voltage and current ratings, the DSEP30-06A has a slightly higher forward voltage drop (up to 2.8V vs. 2.6V at 30A), which increases conduction losses and junction temperature under continuous load. Additionally, although both have trr around 35ns, the DSEP30-06A exhibits a softer recovery profile, reducing EMI but potentially increasing switching losses in hard-switching topologies. Ensure your thermal design accounts for the higher Vf, and verify snubber circuit compatibility to avoid voltage overshoot during turn-off. Always validate the substitution under worst-case load and temperature conditions to prevent thermal runaway or premature failure.
Can the 30EPH06 be safely used in a 48V-to-400V DC-DC boost converter operating at 100kHz, given its fast recovery time and 600V rating?
While the 30EPH06’s 600V breakdown voltage and 35ns reverse recovery time technically support a 400V boost application at 100kHz, several non-obvious risks exist. The diode’s peak repetitive reverse voltage must not exceed 600V, leaving minimal margin in a 400V system with inductive kickback or line transients—consider derating to 80% (480V max) for reliability. At 100kHz, switching losses become significant; even with fast recovery, the reverse recovery charge (Qrr) generates heat during each cycle. Without proper heatsinking and airflow, junction temperatures may exceed 175°C under sustained load, accelerating degradation. Also, ensure the gate drive timing of the upstream switch accounts for the diode’s recovery behavior to prevent shoot-through. Use a snubber if voltage spikes exceed 500V, and monitor thermal cycling to avoid fatigue in the TO-247AC leads.
How does the 30EPH06 compare to the STTH30R06W in terms of long-term reliability in industrial motor drive applications with frequent thermal cycling?
The 30EPH06 and STTH30R06W are both 600V/30A fast recovery diodes, but the STTH30R06W uses ST’s Hyperfast technology with lower Qrr and improved softness factor, making it more resilient under repetitive switching and thermal stress. In motor drives with frequent start-stop cycles, the 30EPH06’s harder recovery can generate higher voltage spikes and EMI, stressing bus capacitors and IGBTs. Additionally, the STTH30R06W typically exhibits better thermal fatigue resistance due to optimized die attach and package materials, reducing the risk of bond wire lift-off over time. However, the 30EPH06’s TO-247AC modified package offers excellent mounting stability and heat dissipation when properly heatsunk. For new designs, prefer the STTH30R06W for enhanced reliability; if using the 30EPH06, implement robust clamping circuits and ensure strict thermal management to mitigate cyclic stress.
What layout and thermal considerations are essential when integrating the through-hole 30EPH06 into a compact PCB design with limited airflow?
The 30EPH06’s TO-247AC modified package requires careful PCB layout and thermal planning, especially in space-constrained, low-airflow environments. Due to its 30A average current rating, use wide, thick copper traces (≥2oz) on both anode and cathode pads to minimize resistive losses and hotspots. Ensure the mounting hole is properly plated and connected to a large copper pour acting as a heat spreader. Even though MSL is 1 (unlimited floor life), avoid excessive soldering temperatures to prevent package cracking. Since the case is electrically connected to the anode, insulate the heatsink with a mica or silicone pad and shoulder washer to prevent short circuits. In natural convection scenarios, attach a finned heatsink with thermal resistance ≤1.5°C/W to maintain Tj below 150°C under full load. Avoid placing temperature-sensitive components within 10mm of the diode to prevent thermal coupling.
Is it advisable to parallel two 30EPH06 diodes to achieve 60A output in a rectifier circuit, and what derating or balancing measures are necessary?
Paralleling two 30EPH06 diodes to reach 60A is technically possible but introduces significant reliability risks due to current imbalance from slight Vf mismatches and thermal coupling. Even minor differences in forward voltage (e.g., 2.5V vs. 2.7V at 30A) cause one diode to carry more current, leading to thermal runaway as Vf decreases with temperature. To mitigate this, use diodes from the same batch, mount them on a common heatsink for thermal tracking, and add small balancing resistors (0.1–0.5Ω, 5W) in series with each anode. Alternatively, employ a current-sharing inductor or select a single higher-current diode like the VS-30EPH06HN3 (if available) or DSEP60-06A. Always derate the total combined current by at least 20% (i.e., max 48A) and monitor individual diode temperatures during validation. For mission-critical applications, avoid paralleling altogether and opt for a single-device solution.
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.
30EPH06 CAD Models
Vishay General Semiconductor - Diodes Division 30EPH06 PCB symbols & footprints
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