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PC3SD11NXZDF
Sharp Microelectronics
OPTOISOLATOR 5KV TRIAC 6SMD
3241 Pcs New Original In Stock
Optoisolator Triac Output 5000Vrms 1 Channel 6-SMD
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Minimum 1
Minimum 1
5.0 / 5.0
- (60 Ratings)
PC3SD11NXZDF
Product Overview
7929117
DiGi Electronics Part Number
PC3SD11NXZDF-DGManufacturer
Sharp Microelectronics
PC3SD11NXZDF
Description
OPTOISOLATOR 5KV TRIAC 6SMDInventory
3241 Pcs New Original In Stock
Optoisolator Triac Output 5000Vrms 1 Channel 6-SMD
Quantity
Minimum 1
Minimum 1
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PC3SD11NXZDF Technical Specifications
Category
Optoisolators, Triac, SCR Output Optoisolators
Packaging
-
Series
-
Product Status
Obsolete
Output Type
Triac
Zero Crossing Circuit
No
Number of Channels
1
Voltage - Isolation
5000Vrms
Voltage - Off State
600 V
Static dV/dt (Min)
1kV/µs
Current - LED Trigger (Ift) (Max)
-
Current - On State (It (RMS)) (Max)
100 mA
Current - Hold (Ih)
3.5mA
Turn On Time
100µs (Max)
Voltage - Forward (Vf) (Typ)
1.2V
Current - DC Forward (If) (Max)
50 mA
Operating Temperature
-30°C ~ 100°C
Mounting Type
Surface Mount
Package / Case
6-SMD
Supplier Device Package
6-SMD
Approval Agency
CSA, UR
Base Product Number
PC3SD11
Datasheet & Documents
HTML Datasheet
PC3SD11NXZDF-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.49.8000
Additional Information
Standard Package
50
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
배송이 지연되지 않고 정확히 도착해서 신뢰가 갔어요.
December 02, 2025
I always receive my orders from DiGi quickly, which keeps my workflow smooth and efficient.
December 02, 2025
Their support team handles issues swiftly, ensuring minimal downtime.
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Frequently Asked Questions (FAQ)
Can I use the PC3SD11NXZDF to replace a MOC3041 in a 240VAC motor control application, and what risks should I consider given the lack of zero-crossing detection?
Replacing the MOC3041 with the PC3SD11NXZDF is technically possible since both are 5kV-rated triac-output optoisolators, but it introduces significant design risk due to the PC3SD11NXZDF’s lack of zero-crossing circuitry. The MOC3041 limits inrush current and EMI by triggering only at voltage zero-crossings, which is critical for inductive loads like motors. Without this feature, the PC3SD11NXZDF may cause high dV/dt stress on the triac, increase electromagnetic interference, and reduce the lifespan of both the optoisolator and the load switch. If you proceed, add external snubber circuits (e.g., 100Ω + 0.1µF) and ensure your main triac has a high enough dV/dt rating (>100V/µs). For new designs, consider a zero-crossing alternative like the Sharp PC3SD21NTZ instead.
What are the reliability implications of operating the PC3SD11NXZDF near its maximum off-state voltage of 600V in a 240VAC line-powered system with voltage surges?
Operating the PC3SD11NXZDF near its 600V off-state voltage limit in a 240VAC system (which peaks at ~340V) leaves minimal margin for transient overvoltages from lightning, switching, or inductive kickback. Standard utility transients can exceed 600V, risking premature failure or latent degradation. To mitigate this, always include a properly rated metal oxide varistor (MOV) or transient voltage suppressor (TVS) on the AC line side. Additionally, derate the PC3SD11NXZDF by at least 20%—avoid sustained operation above 480V—and validate surge immunity per IEC 61000-4-5. For harsher environments, consider higher-voltage alternatives like the 800V-rated PC3SD11NTZ.
How does the PC3SD11NXZDF’s 3.5mA hold current (Ih) affect triac selection and circuit stability in low-power resistive loads such as small heaters or lamps?
The PC3SD11NXZDF requires a minimum load current of 3.5mA to maintain conduction once triggered—a critical factor when driving small resistive loads. If the load draws less than this (e.g., a <10W lamp on 240VAC draws ~42mA, which is safe, but a 1W load draws only ~4mA peak), the triac may fail to latch or drop out prematurely, causing flicker or unstable operation. Always verify that the minimum load current exceeds 3.5mA RMS under all conditions. For very low-power applications, use a bleeder resistor in parallel with the load or select a logic-level triac with lower Ih. Alternatively, consider a relay-based solution if consistent switching below this threshold is unavoidable.
Since the PC3SD11NXZDF is obsolete, what are the best drop-in replacement options that maintain 5kV isolation and 6-SMD compatibility without requiring PCB redesign?
While the PC3SD11NXZDF is obsolete, viable drop-in replacements include the Sharp PC3SD21NTZ (with zero-crossing) and the non-zero-crossing PC3SD11NTZ, both in the same 6-SMD package with identical pinout and 5kV isolation. These parts offer improved availability and similar or better performance (e.g., higher dV/dt tolerance). Verify forward current (If) and trigger sensitivity match your driver circuit—most gate-drive designs for the PC3SD11NXZDF will work unchanged. Avoid generic alternatives unless they are certified to the same isolation standards (UL, CSA); counterfeit or under-specified parts risk safety compliance and long-term reliability.
What thermal management considerations apply when mounting the PC3SD11NXZDF on a high-density PCB in an enclosed industrial control panel operating at 85°C ambient?
Although the PC3SD11NXZDF supports an operating temperature up to 100°C, sustained operation near this limit—especially in a sealed enclosure at 85°C ambient—can accelerate LED degradation and reduce isolation integrity over time. Ensure adequate copper pour under the device for heat dissipation, avoid placing heat-generating components nearby, and maintain clearance per creepage/clearance requirements (≥8mm for 5kV). Monitor actual junction temperature using thermal imaging during validation. If the LED forward voltage (Vf) increases or switching becomes erratic, it may indicate thermal stress. For mission-critical applications, consider active cooling or derating the forward current (If) below 40mA to extend lifespan.
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PC3SD11NXZDF CAD Models
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