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UCD32C05L01
YAGEO
TVS ESD, SOD-323, 5V, 15V, REEL
110142 Pcs New Original In Stock
15V (Typ) Clamp 12A (8/20µs) Ipp Tvs Diode Surface Mount SOD-323
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5.0 / 5.0
- (214 Ratings)
UCD32C05L01
Product Overview
10419251
DiGi Electronics Part Number
UCD32C05L01-DGManufacturer
YAGEO
UCD32C05L01
Description
TVS ESD, SOD-323, 5V, 15V, REELInventory
110142 Pcs New Original In Stock
15V (Typ) Clamp 12A (8/20µs) Ipp Tvs Diode Surface Mount SOD-323
Quantity
Minimum 1
Minimum 1
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UCD32C05L01 Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Tape & Reel (TR)
Series
UCD32CXXL01
Product Status
Active
Type
Zener
Bidirectional Channels
1
Voltage - Reverse Standoff (Typ)
5V (Max)
Voltage - Breakdown (Min)
6V
Voltage - Clamping (Max) @ Ipp
15V (Typ)
Current - Peak Pulse (10/1000µs)
12A (8/20µs)
Power - Peak Pulse
250W
Power Line Protection
No
Applications
DVI, USB
Capacitance @ Frequency
1.5pF @ 1MHz
Operating Temperature
-55°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
SC-76, SOD-323
Supplier Device Package
SOD-323
Datasheet & Documents
HTML Datasheet
UCD32C05L01-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.10.0080
Additional Information
Other Names
13-UCD32C05L01TR
13-UCD32C05L01CT
13-UCD32C05L01DKR
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
The courier was prompt, and the packaging was thoughtfully done to prevent any harm.
грудня 02, 2025
I always know what to expect, thanks to their dependable product quality.
грудня 02, 2025
DiGi Electronics consistently delivers top-tier products with outstanding quality.
грудня 02, 2025
Speed of delivery was outstanding; packaging kept the product safe.
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Frequently Asked Questions (FAQ)
What are the key design risks when using the YAGEO UCD32C05L01 TVS diode for ESD protection on a 5V USB 2.0 data line, and how can I mitigate signal integrity issues given its 1.5pF capacitance?
The YAGEO UCD32C05L01 presents minimal capacitive loading at 1.5pF, which is suitable for high-speed USB 2.0 signals (480 Mbps), but improper layout can still degrade signal integrity. The primary risk lies in trace stubs or long return paths that create impedance discontinuities. To mitigate this, place the UCD32C05L01 as close as possible to the USB connector, use a solid ground plane beneath the device, and ensure symmetrical routing of D+ and D− lines. Avoid vias between the TVS and connector if possible. Additionally, verify with TDR measurements that the total added capacitance (including PCB parasitics) stays below 2pF to maintain eye diagram compliance per USB-IF specifications.
Can the YAGEO UCD32C05L01 reliably replace a Littelfuse SP1003-01ETG in a DVI interface design, and what trade-offs should I expect in clamping performance and board space?
Yes, the YAGEO UCD32C05L01 can serve as a functional replacement for the Littelfuse SP1003-01ETG in DVI applications, but with notable trade-offs. While both are SOD-323 packaged bidirectional TVS diodes rated for 5V lines, the UCD32C05L01 clamps at 15V (typ) during an 8/20µs surge versus the SP1003’s lower 9.2V typical clamping voltage. This higher clamping voltage may stress downstream HDMI/DVI receiver ICs during severe transients. However, the UCD32C05L01 offers superior peak pulse power (250W vs. ~100W) and wider operating temperature range (−55°C to 150°C). If your receiver IC has robust overvoltage tolerance (e.g., >12V absolute max), the UCD32C05L01 is viable; otherwise, consider a lower-clamping alternative like the NXP PESD5V0S1BA.
How does the YAGEO UCD32C05L01 perform under repeated ESD strikes compared to polymer-based ESD suppressors, and is it suitable for industrial environments with frequent connector mating?
The YAGEO UCD32C05L01, being a silicon-based Zener TVS, offers superior durability under repeated ESD events (e.g., IEC 61000-4-2 Level 4: ±8kV contact discharge) compared to polymer-based suppressors, which degrade over time. Unlike polymers that exhibit increasing leakage and reduced effectiveness after dozens of strikes, the UCD32C05L01 maintains consistent clamping performance due to its solid-state construction. This makes it well-suited for industrial USB or DVI interfaces subject to frequent hot-plugging. However, ensure your system-level design includes proper grounding and chassis bonding—relying solely on the TVS without a low-impedance discharge path can lead to secondary breakdown. For mission-critical systems, pair the UCD32C05L01 with a ferrite bead or common-mode choke for enhanced EMI/ESD resilience.
What layout and thermal considerations are critical when using the YAGEO UCD32C05L01 in a compact wearable device powered by a 5V rail, where ambient temperatures may exceed 85°C?
In compact wearable designs, thermal coupling between the YAGEO UCD32C05L01 and nearby heat-generating components (e.g., PMICs or MCUs) can reduce its effective reliability, despite its −55°C to 150°C junction rating. The SOD-323 package has limited thermal mass, so sustained high ambient temperatures (>85°C) combined with frequent transient events may accelerate aging. To mitigate this, isolate the UCD32C05L01 from hot zones using thermal reliefs or spacing, and ensure adequate copper pour on the cathode pad connected to a solid ground plane for heat dissipation. Also, avoid placing it under shielding cans or flex circuits that trap heat. Perform HALT testing under worst-case ambient and surge conditions to validate long-term stability, especially if the device undergoes daily charging cycles that induce repetitive ESD stress.
Is the YAGEO UCD32C05L01 appropriate for protecting a 5V power line in a battery-powered IoT node, or should I use a unidirectional TVS given the risk of reverse polarity connection?
The YAGEO UCD32C05L01 is not recommended for direct protection of 5V power lines in battery-powered IoT nodes where reverse polarity connection is a risk. As a bidirectional TVS, it will conduct during negative voltage excursions, potentially damaging the device or creating a short-circuit condition if reverse voltage is applied. Instead, use a unidirectional TVS like the Vishay SMAJ5.0A or implement a series Schottky diode for reverse blocking alongside the UCD32C05L01 for signal-line protection only. Reserve the UCD32C05L01 for data lines (e.g., UART, I²C, or USB D+/D−) where bidirectional ESD protection is needed and voltage polarity is guaranteed. For power rail protection, combine a unidirectional TVS with a PTC fuse and input filter capacitor to address both surge and fault conditions safely.
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UCD32C05L01 CAD Models
YAGEO UCD32C05L01 PCB symbols & footprints
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