Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
EM513
Diotec Semiconductor
DIODE GEN PURP 1.6KV 1A DO41
95151 Pcs New Original In Stock
Diode 1600 V 1A Through Hole DO-41/DO-204AC
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (296 Ratings)
EM513
Product Overview
12944509
DiGi Electronics Part Number
EM513-DGManufacturer
Diotec Semiconductor
EM513
Description
DIODE GEN PURP 1.6KV 1A DO41Inventory
95151 Pcs New Original In Stock
Diode 1600 V 1A Through Hole DO-41/DO-204AC
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
EM513 Technical Specifications
Category
Diodes, Rectifiers, Single Diodes
Packaging
Cut Tape (CT)
Series
-
Product Status
Active
Technology
Standard
Voltage - DC Reverse (Vr) (Max)
1600 V
Current - Average Rectified (Io)
1A
Voltage - Forward (Vf) (Max) @ If
1.1 V @ 1 A
Speed
Standard Recovery >500ns, > 200mA (Io)
Reverse Recovery Time (trr)
1.5 µs
Current - Reverse Leakage @ Vr
5 µA @ 1600 V
Capacitance @ Vr, F
-
Mounting Type
Through Hole
Package / Case
DO-204AC, DO-41, Axial
Supplier Device Package
DO-41/DO-204AC
Operating Temperature - Junction
-50°C ~ 175°C
Datasheet & Documents
Datasheets
Download EM513 Product Specification (PDF)
HTML Datasheet
EM513-DG
Environmental & Export Classification
RoHS Status
Not applicable
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
Vendor Undefined
ECCN
EAR99
HTSUS
8541.10.0080
Additional Information
Other Names
4878-EM513TR
4878-EM513DKR
2796-EM513TR-DG
4878-EM513DKRINACTIVE
4878-EM513DKR-DG
2796-EM513TR
4878-EM513CT
Standard Package
5,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
이 회사의 고객 서비스는 정말 전문적이에요. 문의할 때마다 빠르고 친절하게 대답해 줍니다.
Dec 02, 2025
DiGi Electronics überzeugt mit erstklassiger Verpackungsqualität und zuverlässigem Tracking.
Dec 02, 2025
ウェブサイトのナビゲーションが良く、初めてでも迷わず使えました。
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
What are the key design-in risks when using the EM513 in a high-temperature industrial power supply?
When designing the EM513 into high-temperature industrial power supplies, the primary risk is thermal overstress despite its rated -50°C to 175°C junction temperature range. Since the EM513 uses a DO-41 through-hole package with limited thermal dissipation capability, prolonged operation near 1A rectified current in ambient environments above 100°C can lead to thermal runaway without adequate PCB copper heatsinking. To mitigate this, use wide PCB traces, multiple thermal vias, or parallel diodes in split configurations. Always verify actual junction temperature using thermal imaging during prototype testing to ensure reliability under sustained loads.
How does the EM513 compare to the 1N4007 in terms of reverse leakage and high-voltage surge performance for AC-DC converters?
The EM513 and 1N4007 both offer 1A average rectified current and 1000V+ blocking, but the EM513 supports a higher 1600V reverse voltage vs. the 1N4007's 1000V, making it better suited for circuits with unregulated inputs or line surges. However, at maximum Vr, the EM513 has a specified 5µA reverse leakage at 1600V, which is higher than premium low-leakage alternatives like the 1N4007G (typically <2µA @ 1000V). In high-humidity or high-impedance sensing circuits, this leakage may contribute to standby power issues. Use the EM513 when robust Vr margin is critical, but consider screening or biasing networks if leakage-sensitive.
Can the EM513 replace the MUR160 in a flyback converter, and what are the speed-related trade-offs?
Replacing the MUR160 with the EM513 in a flyback converter is electrically risky due to speed differences: the MUR160 is an ultra-fast recovery diode (trr ~50ns), while the EM513 has a 1.5µs standard recovery time. Using the EM513 introduces significant reverse recovery current spikes during turn-off, increasing switching losses, EMI noise, and potential damage to the controller or MOSFET in high-frequency topologies (>20kHz). Only consider this replacement in low-frequency (<10kHz) or low-power auxiliary rails where switching stress is minimal. Otherwise, maintain MUR160 or use a proper fast-recovery drop-in replacement.
What PCB layout practices should I follow to ensure reliable operation of the EM513 in surge-prone environments?
For reliable EM513 operation in surge-prone environments (e.g. industrial mains inputs), lay out the PCB to minimize voltage transients and thermal stress. Maintain >2mm creepage and clearance distances on the PCB due to its 1600V rating, especially in humid or polluted atmospheres. Use a symmetrical pad layout with generous copper on anode and cathode traces to aid heat dissipation. Avoid placing near high-voltage switching nodes to reduce coupling. Additionally, always pair the EM513 with upstream transient protection (e.g., a MOV or TVS) and consider derating current to 0.7A or less in high-temperature enclosures to improve long-term reliability.
Is the EM513 suitable for parallel operation in high-current rectification, and what imbalance risks exist?
Parallel operation of EM513 diodes is possible but risky due to negative temperature coefficient of forward voltage, which can cause current hogging. One diode may conduct disproportionately more current due to slight Vf mismatches (up to 1.1V @1A), leading to thermal runaway. If parallel use is necessary (e.g., scaling to >1A avg), force current sharing by adding small series resistors (0.1–0.3Ω wirewound) or using matched diodes from the same production batch. Prefer a single higher-current diode like a 3A1J over paralleling EM513s unless space or cost constraints require it, with thermal monitoring strongly advised.
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.
EM513 CAD Models
Diotec Semiconductor EM513 PCB symbols & footprints
productDetail
