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For High Reliability Lighting
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Littelfuse PLED Series Open LED Protectors provide a switching electronic shunt path when an LED in an LED array fails as an open circuit, ensuring that the entire array of LEDs will continue to function even if a single LED in the array doesn't. PLED Series Open LED Protectors provide higher reliability lighting functions in applications such as headlights, aircraft, aircraft runway lighting, roadside warning lights, and more. These Littelfuse LED protection devices are compatible with 1, 2, and 3W LEDs that have a nominal 3V forward characteristic. Littelfuse PLED devices are available in a variety of package types, including QFN and DO-214 surface mount packages as well as SOT-89.
PLED Features
- Fast Switching
- Automatically resets after power cycle
- Available in low profile, small footprint QFN and Standard DO-214AA packages
- Compatible with industrial lighting environments
- Compatible with PWM dimming speeds of up to 10 KHz
- RoHS compliant and halogen-free
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Application Notes:
Open LED Protection for LED Strings
Protecting LEDs in Product Design
| New Kit!
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PLED Electrical Characteristics
Part Number
| VBR Min
| VBR Max
| VDRM Min
| IH (mAmps) Min
| IS (mAmps) Max
| IT @ VT (Amps) Max
| VT@IT=1 Amp (Volts) Max
| Critical Rate of Rise dV/dt (Volts) Max
| PLED6Q12
| 6
| 16
| 6
| 5
| 100
| 1.0
| 1.5
| 250V/μs
| PLED6S
| 6
| 16
| 6
| 5
| 100
| 1.0
| 1.5
| 250V/μs
| PLED9Q12
| 9
| 18
| 9
| 5
| 100
| 1.0
| 1.5
| 250V/μs
| PLED9S
| 9
| 18
| 9
| 5
| 100
| 1.0
| 1.5
| 250V/μs
| PLED13Q12
| 13
| 26
| 13
| 5
| 100
| 1.0
| 1.5
| 250V/μs
| PLED13S
| 13
| 26
| 13
| 5
| 100
| 1.0
| 1.5
| 250V/μs
| PLED18Q12
| 18
| 33 | 18
| 5
| 100
| 1.0
| 1.5
| 250V/μs
| PLED18S
| 18
| 33
| 18
| 5
| 100
| 1.0
| 1.5
| 250V/μs
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PLED5HT SOT-89 Features
- Reverse Battery / Power Protection
- Open LED bypass up to 700 mA
- ESD, IEC 61000-4-2, ±8kV contact, ±15 kV air
- Resets After Power Cycle
- Fast Switching
- Low Turn-On (Trigger Voltage)
- SOT-89 Package
| PLED5 QFN Features
- Reverse Battery / Power Protection
- Surge Capability >24 A (8/20 µS)
- ESD, IEC 61000-4-2, ±8kV contact, ±15 kV air
- Open LED bypass up to 500 mA
- Fast Switching
- Resets After Power Cycle
- Low Turn-On (Trigger Voltage)
- Ideal for MR16, PAR type lamps
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PLED5 Electrical CharacteristicsPart Number
| Input Voltage (V)
| Turn-On Voltage (V)
| Switching Current (mA) | On-State Voltage (V)
| On-State Current (mA)
| Reverse On-State Voltage (V)
| Reverse On-State Current (mA)
| Leakage
Current
| ESD Withstand Voltage IEC61000-4-2
| PLED5HT
| 38 (max)
| 4.65 (min), 4.9 (typ), 5.15 (max)
| 20 (Max)
| 1.6 (typ), 1.8 (max)
| 700 (max)
| 1.6 (typ), 1.8 (max)
| 700 (max)
| 100 (typ), 150 (max)
| ±8 kV, (Contact) ±15kV (Air)
| PLED5Q12
| 40 (max)
| 4.65 (min), 4.9 (typ), 5.15 (max)
| 20 (max)
| 1 (typ), 1.3 (max)
| 500 (max)
| 1 (typ), 1.4 (max)
| 500 (max)
| 100 (typ), 150 (max)
| ±8 kV, (Contact) ±15kV (Air)
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| KIT 370-PLED-1 | | Contains 10 each of 10 varied PLED Open LED Protectors.
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