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UF1J_R1_00001
Panjit International Inc.
DIODE GEN PURP 600V 1A SMB
17279 Pcs New Original In Stock
Diode 600 V 1A Surface Mount SMB (DO-214AA)
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Minimum 1
5.0 / 5.0
- (470 Ratings)
UF1J_R1_00001
Product Overview
12965248
DiGi Electronics Part Number
UF1J_R1_00001-DGManufacturer
Panjit International Inc.
UF1J_R1_00001
Description
DIODE GEN PURP 600V 1A SMBInventory
17279 Pcs New Original In Stock
Diode 600 V 1A Surface Mount SMB (DO-214AA)
Quantity
Minimum 1
Minimum 1
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UF1J_R1_00001 Technical Specifications
Category
Diodes, Rectifiers, Single Diodes
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Technology
Standard
Voltage - DC Reverse (Vr) (Max)
600 V
Current - Average Rectified (Io)
1A
Voltage - Forward (Vf) (Max) @ If
1.7 V @ 1 A
Speed
Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)
100 ns
Current - Reverse Leakage @ Vr
1 µA @ 600 V
Capacitance @ Vr, F
17pF @ 4V, 1MHz
Mounting Type
Surface Mount
Package / Case
DO-214AA, SMB
Supplier Device Package
SMB (DO-214AA)
Operating Temperature - Junction
-55°C ~ 150°C
Base Product Number
UF1J
Datasheet & Documents
HTML Datasheet
UF1J_R1_00001-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
Other Names
3757-UF1J_R1_00001TR
3757-UF1J_R1_00001CT
3757-UF1J_R1_00001DKR
Standard Package
800
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
CMR1U-06FL TR13 PBFREE
Central Semiconductor Corp
1944
CMR1U-06FL TR13 PBFREE-DG
0.0278
Parametric Equivalent
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Je suis confiant d’acheter chez DiGi Electronics car leurs prix sont très avantageux et leur logistique fiable.
Dec 02, 2025
Je suis très content de la durabilité et de la fiabilité de leurs produits à des prix raisonnables.
Dec 02, 2025
The quick shipment thrilled me—very efficient service overall.
Dec 02, 2025
The after-sales support from DiGi Electronics is truly outstanding, ensuring any issues are promptly resolved.
Dec 02, 2025
Their commitment to consistent product quality makes shopping efficient and reliable.
Dec 02, 2025
Reliable delivery times help me plan my work more effectively.
Dec 02, 2025
Their affordable rates make electronic shopping much easier for me.
Dec 02, 2025
I am impressed by the consistency of quality across their entire range.
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Frequently Asked Questions (FAQ)
Can the UF1J_R1_00001 diode safely replace a 1N4007 in a 230V AC rectifier circuit, and what are the key risks to consider during this substitution?
While both the UF1J_R1_00001 and 1N4007 are 1A, 600V+ rated diodes, direct replacement in a 230V AC rectifier requires careful evaluation. The UF1J_R1_00001 has a much faster reverse recovery time (100 ns vs. ~30 µs for 1N4007), which reduces switching losses and EMI—beneficial in high-frequency applications. However, its forward voltage drop (1.7V @ 1A) is higher than the 1N4007’s (~1.1V), leading to increased conduction losses and thermal stress in low-frequency line rectification. Additionally, the SMB package has lower thermal mass than the DO-41 used in 1N4007, so ensure adequate PCB copper area for heat dissipation. Verify that your system’s peak inverse voltage (PIV) margin accommodates transients; although both meet 600V nominal, real-world surges may exceed this. Use only if thermal management and efficiency trade-offs are acceptable.
What design constraints should I consider when using the UF1J_R1_00001 in a high-frequency flyback converter operating at 100 kHz, especially regarding reverse recovery and layout?
The UF1J_R1_00001’s 100 ns reverse recovery time makes it suitable for 100 kHz flyback converters, but layout and snubber design are critical. Its fast trr reduces switching losses compared to standard recovery diodes, minimizing turn-on spikes in the primary MOSFET. However, the low junction capacitance (17 pF @ 4V) can interact with parasitic inductance in poorly routed traces, causing voltage ringing. Minimize loop area between the diode, transformer secondary, and output capacitor. Include an RC snubber if ringing exceeds 20% of Vrrm. Also, ensure the SMB package is mounted on sufficient thermal copper (≥2 cm² recommended) to handle continuous 1A load without exceeding Tj = 150°C. Avoid placing near heat-sensitive components due to elevated operating temperatures under load.
Is the UF1J_R1_00001 a reliable drop-in replacement for the Vishay VS-1A60A in industrial motor drive snubber circuits, and what failure modes should I monitor?
The UF1J_R1_00001 can replace the Vishay VS-1A60A in snubber applications, but with caveats. Both are 1A, 600V fast-recovery diodes in SMB packages, but the VS-1A60A is specifically designed for surge robustness (e.g., IEC 61000-4-5), while the UF1J_R1_00001 lacks published surge current ratings. In motor drives with inductive kickback, repeated high di/dt events may stress the UF1J_R1_00001 beyond its safe operating area, potentially leading to thermal runaway or bond wire fatigue. Monitor junction temperature under worst-case transient conditions and consider adding a transient voltage suppressor (TVS) in parallel for added protection. For mission-critical systems, conduct HALT testing or prefer diodes with verified surge ratings like the VS-1A60A or STTH1R06A.
How does the moisture sensitivity level (MSL 1) of the UF1J_R1_00001 impact PCB assembly processes, and can it be stored indefinitely without dry packing?
The UF1J_R1_00001’s MSL 1 rating means it is not moisture-sensitive and can be exposed to ambient factory conditions indefinitely without requiring dry storage or baking before reflow. This simplifies logistics and reduces handling risks during high-volume SMT assembly. Unlike MSL 3 or higher components, there’s no need for sealed dry bags, humidity indicator cards, or time-limited floor life tracking. However, standard ESD precautions still apply during handling. This makes the UF1J_R1_00001 ideal for just-in-time manufacturing environments where component pre-baking would add cost and complexity.
What are the long-term reliability concerns when operating the UF1J_R1_00001 near its maximum junction temperature (150°C) in an enclosed power supply with limited airflow?
Operating the UF1J_R1_00001 continuously near 150°C significantly accelerates degradation mechanisms such as metal migration, passivation layer breakdown, and solder joint fatigue. While the datasheet specifies 150°C as the absolute maximum, sustained operation above 125°C reduces mean time between failures (MTBF) exponentially. In enclosed, low-airflow environments, ensure the PCB thermal design limits Tj to ≤125°C under full load by using thermal vias, enlarged copper pads, and possibly a small heatsink. Monitor case temperature (Tc) and derate current if Tc exceeds 100°C. Consider derating the average forward current to 0.7A or selecting a higher-power alternative like the STTH1R06A if thermal headroom cannot be guaranteed—reliability drops sharply beyond recommended operating margins.
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.
UF1J_R1_00001 CAD Models
Panjit International Inc. UF1J_R1_00001 PCB symbols & footprints
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