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PLED260S
Electronics Part Number
PLED260S-WXManufacturer
Littelfuse
PLED260S
Description
LED Shunt Protector 220V Surface MountInventory
991 Pcs New Original In Stock
SMD LED shunt protector, 220V; ensures continuous LED string operation by bypassing damaged emitters, suitable for high-voltage luminaires.
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Basic cost: USD 70.00
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Technical Specifications
Category
Transient Voltage Suppressors (TVS), Thyristors
Manufacturer
Littelfuse
Packaging
Bulk
Mounting Type
Through Hole
Package / Case
3-SIP
Series
SIDACtor®
Product Status
Active
Capacitance
20pF, 30pF
Supplier Device Package
TO-220 Modified
Voltage - Off State
300V
Current - Hold (Ih)
150 mA
Current - Peak Pulse (10/1000µs)
45 A
Voltage - Breakover
400V
Voltage - On State
8 V
Current - Peak Pulse (8/20µs)
150 A
Number of Elements
3
Data Sheet Document (D)
Datasheets
Download P3403AAL Product Specification (PDF)
HTML Datasheet
P3403AAL-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.30.0080
Additional Information
Other Names
-P3403AAL
Standard Package
500
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Frequently Asked Questions (FAQ)
When designing in the P3403AAL SIDACtor® for telecom line protection, what leakage and capacitance r
The P3403AAL exhibits a typical capacitance of 20–30 pF, which can distort high-frequency signals above 10 MHz in telecom or data line applications. While its 300V off-state voltage provides good stand-off, ensure your signaling standard (e.g., xDSL, T1/E1) can tolerate this capacitive load. To mitigate signal integrity risks, place the P3403AAL at the entry point of the PCB and use layout techniques such as short, controlled-impedance traces and ground stitching. Also verify that the 150 mA hold current (Ih) allows reliable turn-off under your system’s standby current to prevent unintended latch-up.
Can the P3403AAL replace the Bourns TISP4050H3BJ in a PoE midspan protection circuit, and what desig
Yes, the P3403AAL can serve as a functional replacement for the Bourns TISP4050H3BJ in Power over Ethernet (PoE) midspan interfaces, both being 3-terminal SIDACtor® devices rated for similar surge currents. However, the P3403AAL has a higher breakover voltage (400V vs. 360V) and an 8V on-state voltage—confirm that this clamping level won’t exceed downstream IC tolerances (e.g., PoE injectors or switches). Additionally, the P3403AAL’s 150 mA hold current is higher than the TISP4050H3BJ’s 60 mA, so ensure your system’s operational current drops below 150 mA during fault recovery to avoid sustained conduction.
How does the P3403AAL perform in high-temperature environments, and what derating rules should I app
The P3403AAL is rated for operation up to 150°C junction temperature, but its surge current handling degrades at elevated ambient temperatures. For designs operating above 70°C, derate the 150A (8/20µs) peak pulse current by at least 15–20% to maintain reliability—especially in sealed enclosures with poor airflow. Use thermal vias and generous copper pour on gate and anode pads to enhance heat dissipation. Also, verify that nearby heat-generating components (e.g., power regulators) don’t raise the local ambient beyond 125°C, which could trigger premature triggering or latch-up.
What are the layout best practices when integrating the P3403AAL in a TO-220 through-hole design to
To prevent EMI-induced false triggering of the P3403AAL, keep the gate trace as short as possible and avoid routing near high-noise sources like switching power supplies or relays. Use a compact three-terminal layout with close coupling between protected line, return, and gate to minimize loop area. Ground the gate leg directly to a clean earth or chassis ground via a dedicated via. Avoid daisy-chaining ground connections—this can create ground bounce that inadvertently exceeds the P3403AAL’s triggering threshold. Also consider adding a small ferrite bead or RC snubber (e.g., 10Ω + 100pF) in series with the gate if EMI immunity testing reveals susceptibility.
When replacing MOV-based protection with the P3403AAL in AC power ingress circuits, what failure-mod
Replacing MOVs (e.g., VDRS10P470) with the P3403AAL offers superior longevity and no wear-out mechanism—SIDACtor® devices like the P3403AAL reset after each transient, unlike MOVs that degrade with repeated surges. The P3403AAL’s precise 400V breakover enables tighter voltage clamping control. However, the P3403AAL latches on during overvoltage and requires current interruption to reset, which may necessitate fusing or upstream switching in AC power applications. Ensure your design includes a thermal fuse or PTC in series to de-energize the P3403AAL after activation and verify that the 150A peak pulse rating meets IEC 61000-4-5 Level 4 requirements (e.g., 2Ω source, 1kV diff-mode).
When designing in the P3403AAL SIDACtor® for telecom line protection, what leakage and capacitance r
The P3403AAL exhibits a typical capacitance of 20–30 pF, which can distort high-frequency signals above 10 MHz in telecom or data line applications. While its 300V off-state voltage provides good stand-off, ensure your signaling standard (e.g., xDSL, T1/E1) can tolerate this capacitive load. To mitigate signal integrity risks, place the P3403AAL at the entry point of the PCB and use layout techniques such as short, controlled-impedance traces and ground stitching. Also verify that the 150 mA hold current (Ih) allows reliable turn-off under your system’s standby current to prevent unintended latch-up.
Can the P3403AAL replace the Bourns TISP4050H3BJ in a PoE midspan protection circuit, and what desig
Yes, the P3403AAL can serve as a functional replacement for the Bourns TISP4050H3BJ in Power over Ethernet (PoE) midspan interfaces, both being 3-terminal SIDACtor® devices rated for similar surge currents. However, the P3403AAL has a higher breakover voltage (400V vs. 360V) and an 8V on-state voltage—confirm that this clamping level won’t exceed downstream IC tolerances (e.g., PoE injectors or switches). Additionally, the P3403AAL’s 150 mA hold current is higher than the TISP4050H3BJ’s 60 mA, so ensure your system’s operational current drops below 150 mA during fault recovery to avoid sustained conduction.
How does the P3403AAL perform in high-temperature environments, and what derating rules should I app
The P3403AAL is rated for operation up to 150°C junction temperature, but its surge current handling degrades at elevated ambient temperatures. For designs operating above 70°C, derate the 150A (8/20µs) peak pulse current by at least 15–20% to maintain reliability—especially in sealed enclosures with poor airflow. Use thermal vias and generous copper pour on gate and anode pads to enhance heat dissipation. Also, verify that nearby heat-generating components (e.g., power regulators) don’t raise the local ambient beyond 125°C, which could trigger premature triggering or latch-up.
What are the layout best practices when integrating the P3403AAL in a TO-220 through-hole design to
To prevent EMI-induced false triggering of the P3403AAL, keep the gate trace as short as possible and avoid routing near high-noise sources like switching power supplies or relays. Use a compact three-terminal layout with close coupling between protected line, return, and gate to minimize loop area. Ground the gate leg directly to a clean earth or chassis ground via a dedicated via. Avoid daisy-chaining ground connections—this can create ground bounce that inadvertently exceeds the P3403AAL’s triggering threshold. Also consider adding a small ferrite bead or RC snubber (e.g., 10Ω + 100pF) in series with the gate if EMI immunity testing reveals susceptibility.
When replacing MOV-based protection with the P3403AAL in AC power ingress circuits, what failure-mod
Replacing MOVs (e.g., VDRS10P470) with the P3403AAL offers superior longevity and no wear-out mechanism—SIDACtor® devices like the P3403AAL reset after each transient, unlike MOVs that degrade with repeated surges. The P3403AAL’s precise 400V breakover enables tighter voltage clamping control. However, the P3403AAL latches on during overvoltage and requires current interruption to reset, which may necessitate fusing or upstream switching in AC power applications. Ensure your design includes a thermal fuse or PTC in series to de-energize the P3403AAL after activation and verify that the 150A peak pulse rating meets IEC 61000-4-5 Level 4 requirements (e.g., 2Ω source, 1kV diff-mode).
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Sep 15 2026
