PLED Open LED Protectors PLED Unidirectional Series PLED Unidirectional Series (PLEDxUx) Description The PLED Unidirectional Series (PLEDxUx Series) open LED protectors provide an electronic switching shunt path around a single LED that fails as an open circuit. This ensures the remaining string of LEDs will continue to function even though a single LED in the string has failed open. It also provides reverse battery or reverse power polarity protection. The PLED Unidirectional Series components were designed to enable higher reliability in outdoor LED lighting applications such as street lighting, outdoor signage, aircraft runway lighting, roadside warning lights and other applications. Compatible with one, two and three watt LEDs that have a nominal 3V forward characteristic, PLED Unidirectional Series components are available in two different surface mount packages, the DO-214AA and the Quad Flat Pak Nolead (QFN). The QFN's low profile, chip scale package (CSP) is ideal for dense board applications. Agency Approvals Agency Agency File Number E133083 Features & Benefits Schematic Symbol * Fast switching MT2 * Compatible with industrial lighting environments * Reverse Battery/Power Protection Control Circuit * Compatible with PWM frequencies up to 10 kHz * Automatically resets after power cycle * RoHS compliant and halogen-free * Available in low profile, small footprint QFN and Standard DO214AA packages MT1 Cathode (bar marking side) Electrical Characteristics (All parameters are measured at T=25C unless otherwise noted) VDRM VBR breakdown breakdown Part Number Marking Volts Volts IH IS IT@VT mAmps mAmps Amps VT @ IF = 1 A IF@VF VT @ IF = 1 A Critical rate of rise dV/dt Volts Amps Volts Volts Max Min Max Min Max Max Max Max Max Max PLED6UQ12 PL6U 6 16 6 30 50 1.0 1.2 1.0 1.0 PLED6US PL6U 6 16 6 30 50 1.0 1.2 1.0 1.0 PLED9UQ12 PL9U 9 18 9 30 50 2.0 1.2 2.0 1.0 PLED9US PL9U 9 18 9 30 50 1.0 1.2 1.0 1.0 PLED13UQ12 PL13U 13 26 13 30 50 1.0 1.2 1.0 1.0 PLED13US PL13U 13 26 13 30 50 1.0 1.2 1.0 1.0 PLED18UQ12 PL18U 18 33 18 30 50 1.0 1.2 1.0 1.0 PLED18US PL18U 18 33 18 30 50 1.0 1.2 1.0 1.0 PLED35US* PL35U 35 50 35 30 50 1.0 1.2 1.0 1.0 250V/s Note: 1. IO- Operation current tested @ alumium boards, ambient temp 85C 2. Part with "*" is not a UL Recognized component. (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/27/18 PLED Open LED Protectors PLED Unidirectional Series Thermal Considerations Package DO-214AA QFN 3x3 Symbol Parameter Value Unit TJ Operating Junction Temperature Range -40 to +150 C TS Storage Temperature Range -65 to +150 C DO-214AA: 90 DO-214AA: 402 QFN: 1201 QFN: 603 1 RJA Thermal Resistance: Junction to Ambient C/W Notes: 1) Standard FR-4 PCB with Copper Pads (Recommended Size) 2) Aluminum PCB Thickness: 1.6mm Grade: 1-2 W/mK Thermal Conductivity Trace thickness: 2 oz Insulation layer thickness: 215 m Solder Pad Dimensions: 2.0mm x 2.8mm (Recommended Size) 3) Aluminum PCB Thickness: 1.6mm Grade: 1-2 W/mK Thermal Conductivity Trace thickness: 2 oz Insulation layer thickness: 60 m Solder Pad Dimensions: 1.27mm x 2.54mm (Recommended Size) V-I Characteristics VBR vs. Junction Temperature +I P e rc e n t o f VBR C h a n g e - % 14 IT IS IH VF -V +V VT VDRM VBR IT 12 10 8 6 25 C 4 2 0 -4 -6 -8 -40 -20 iH (T C = 2 5 C ) iH Normalized DC Holding Current vs. Case Temperature R a tio o f 0 20 40 80 100 120 140 160 LED Interference Test Circuit Q1 2.0 1.8 LED Driver 2.0 , 1/4 W 1.6 110 k, 1/4 W 1.4 25 C 1.2 + 1.0 - 0.8 Vbat 12 Vdc Q2 2N2222 PWM MT2 0.6 0.4 -40 -20 60 Junction Temperature (TJ ) - C -I Unidiretional PLED Control Circuit 0 20 40 60 80 100 120 140 160 Case Temperature (T C ) - C (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/27/18 ON/OFF Switch MT1 PLED Open LED Protectors PLED Unidirectional Series 6 LEDs in Series 50% Duty Cycle 10kHz 5 LEDs and 1 PLED in Series 50% Duty Cycle 10kHz Note: These two graphs show the current magnitude through the LED string with and without the PLED included. There is no noticeable effect on the LED current magnitude when the PLED is included in the circuit as compared to the LED current magnitude when the PLED is not in the circuit. (The conversion factor for the test measurement in the graphs above is 10mA/mV for the Pearson coil measurement, therefore, the current magnitude in the first figure is 10mA*8.9 = 89mA, while the second figure is 91mA.) PLED in the Off-State 10kHz Channel 1: current through LEDs (318 mA) Channel 2: voltage across PLED device (4.5 V) PLED device zeners and then turns fully on 10kHz Channel 1: current through LEDs (346 mA) and PLED device once it is fully turned on 2.5 sec later Channel 2: voltage across PLED device (21.3 V before PLED crowbars with 2 V drop) (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/27/18 PLED Open LED Protectors PLED Unidirectional Series Soldering Parameters Pb - Free assembly Reflow Condition 150C - Temperature Min (Ts(min)) Pre Heat - Temperature Max (Ts(max)) 200C - Time (min to max) (ts) 60 - 180 secs Average ramp up rate (Liquidus Temp (TL) to peak 3C/second max TS(max) to TL - Ramp-up Rate 3C/second max Reflow - Temperature (TL) (Liquidus) 217C - Temperature (tL) 60 - 150 seconds Peak Temperature (TP) 260+0/-5 C Time within 5C of actual peak Temperature (tp) 30 seconds Ramp-down Rate 6C/second max Time 25C to peak Temperature (TP) 8 minutes max Do not exceed 260C Physical Specifications Terminal Material Copper Alloy Terminal Finish 100% Matte Tin Plated Body Material UL Recognized compound meeting flammability rating V-0. Environmental Specifications High Temperature Voltage Blocking MIL-STD-750: Method 1040, Condition A 80% min VDRM (VAC-peak), 150C, 504 hours Temperature Cycling MIL-STD-750: Method 1051 -65C to 150C, 15-minute dwell, 100 cycles Biased Temperature & Humidity EIA/JEDEC: JESD22-A101 52VDC, 85C, 85%RH, 1008 hours High Temperature Storage MIL-STD-750: Method 1031 150C, 1008 hours Low Temperature Storage -65C, 1008 hours Thermal Shock MIL-STD-750: Method 1056 0C to 100C, 5-minute dwell, 10-second transfer, 10 cycles Resistance to Solder Heat MIL-STD-750: Method 2031 260C, 10 seconds Part Marking System DO-214AA Part Numbering System DO-214AAPLxU PLED x U x x XXXXX PLxU IT TYPE PLED: LED Protector V DRM 6 Volts 9 Volts 13 Volts 18 Volts 35 Volts XXXXX Cathode Bar Blank:1A 002: 2A Cathode Bar PACKAGE TYPE Q12: 3.0x3.0mm QFN S: DO-214AA Unidirectional QFN QFN PLxU XXXXX PLxU XXXXX Cathode Bar Cathode Bar (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/27/18 PLED Open LED Protectors PLED Unidirectional Series Packaging Package Description Packaging Quantity Industry Standard Q12 QFN 3x3 5000 EIA-481-1 S D O - 2 1 4 AA 2500 EIA-481-1 Dimensions - QFN (3x3) Package TOP VIEW BOTTOM VIEW A C J Dimensions Millimeters Min Typ Max Min Typ Max A 0.114 0.118 0.122 2.900 3.000 3.100 B 0.114 0.118 0.122 2.900 3.000 3.100 C 0.075 0.079 0.083 1.900 2.000 2.100 E 0.011 0.015 0.019 0.285 0.385 0.485 F 0.076 0.080 0.084 1.930 2.030 2.130 H 0.035 0.039 0.043 0.900 1.000 1.100 J 0.000 0.004 0.008 0.000 0.100 0.200 K1 0.004 0.008 0.012 0.100 0.200 0.300 K2 0.004 0.008 0.012 0.100 0.200 0.300 M1 0.056 0.060 0.064 1.143 1.530 1.630 M2 0.038 0.042 0.046 0.970 1.070 1.170 N1 0.096 0.100 0.104 2.440 2.540 2.640 N2 0.082 0.086 0.090 2.080 2.180 2.280 E B Inches F END VIEW SIDE VIEW H K2 K1 N2 M2 M2 M1 N1 1.27mm 0.050" 1.50mm 0.059" 2.54mm 0.100" Recommended solder pad layout (Reference Only) M1 Dimensions - DO-214 AA Package B CASE TEMPERATURE MEASURING POINT D A C K Dimensions H E F G 0.079" (2.0mm) Inches Millimeters Min Max Min Max A 0.130 0.156 3.30 3.95 B 0.201 0.220 5.10 5.60 C 0.077 0.087 1.95 2.20 D 0.159 0.181 4.05 4.60 E 0.030 0.063 0.75 1.60 F 0.075 0.096 1.90 2.45 G 0.002 0.008 0.05 0.20 H 0.077 0.104 1.95 2.65 K 0.006 0.016 0.15 0.41 0.110" (2.8mm) 0.079" (2.0mm) Recommended solder pad layout (Reference Only) (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/27/18 PLED Open LED Protectors PLED Unidirectional Series Tape and Reel Specification - QFN (3x3) C A D N W1 B Reel Dimension D0 P0 P2 T CARRIER TAPE D1 B0 W0 K0 P1 F E1 E2 W A1 COVER TAPE Tape Dimension Items END CATHODE BAR ON THIS SIDE CARRIER TAPE COVER TAPE START TRAILER 160mm MIN LEADER 400mm MIN Leader and Trailer Dimension of the Ttape Inches Millimeters Symbols Description A Reel Diameter N/A 12.992 N/A 330.0 B Drive Spoke Width 0.059 N/A 1.50 N/A C Arbor Hole Diameter 0.504 0.531 12.80 13.50 D Drive Spoke Diameter 0.795 N/A 20.20 N/A N Hub Diameter 1.969 N/A 50.00 N/A W1 Reel Inner Width at Hub 0.488 0.567 12.40 14.40 A0 Pocket Width at bottom 0.126 0.134 3.20 3.40 B0 Pocket Length at bottom 0.126 0.134 3.20 3.40 D0 Feed Hole Diameter 0.059 0.063 1.50 1.60 D1 Pocket Hole Diameter 0.059 N/A 1.50 N/A E1 Feed hole Position 1 0.065 0.073 1.65 1.85 E2 Feed hole Position 2 0.400 0.408 10.15 10.35 F Feed hole center-Pocket hole 0.215 0.219 5.45 5.55 K0 Pocket Depth 0.039 0.051 1.00 1.30 P0 Feed hole Pitch 0.153 0.161 3.90 4.10 P1 Component Spacing 0.311 0.319 7.90 8.10 P2 Feed hole center-Pocket hole 0.077 0.081 1.90 2.06 T Carrier Tape Thickness 0.010 0.014 0.25 0.35 W Embossed Carrier Tape Width 0.453 0.484 11.50 12.30 W0 Cover Tape Width 0.358 0.366 9.10 9.30 Minimum Maximum Minimum Maximum DO-214AA Embossed Carrier Reel Pack (RP) Meets all EIA-481-1 Standards 0.157 (4.0) 0.472 (12.0) Cathode bar on this side 0.36 (9.2) 0.315 (8.0) 0.512 (13.0) Arbor Hole Dia. 0.059 DIA (1.5) Cover tape 12.99 (330.0) Dimensions are in inches (and millimeters). 0.49 (12.4) Direction of Feed (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/27/18