Manufacturers
PULSE PA1276NLT
Description
Switching Transformer 1:0.682:0.682 0.1Ohm/0.27Ohm Prim. DCR 0.0075Ohm Sec. DCR 13.5W 10Term. Gull Wing SMD
PA1276NLT
Part Number
PA1276NLT
Price
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Manufacturer
PULSE
Lead Time
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Category
Magnetics » Switching Transformer
Specifications
Manufacturer
Pulse
Manufacturers Part #
PA1276NLT
Industry Aliases
PA1276NLT
Sub-Category
Switching Transformers
Packaging
Tape and Reel
Factory Pack Quantity
150
Datasheet
Extracted Text
High Frequency Wire Wound Transformers EP10 Platforms - SMT Power Range: up to 30W Height: 11.45mm Max Footprint: 15.24mm x 13.1mm Max Toplogy: Forward and Flyback 5 Electrical Specifications @ 25°C - Operating Temperature -40°C to +130°C Pri. Inductance (3-4) 253.4µH ± 10% (3-4) with Lk. Inductance (8, 7, 6, 5) shorted 7.5µH MAX (3-4) 420mΩ MAX PA1133NL DCR (6, 5-8, 7) 7.5mΩ MAX (2-1) 115mΩ MAX Hi-Pot Pri-Sec 1500Vrms FLYBACK TRANSFORMER K1 Factor 4671.8 Pri. Inductance (3-4) 253.4µH ±10% (3-4) with Lk. Inductance (8, 7, 6, 5) shorted 7.5µH MAX (3-4) 420mΩ MAX PA1134NL DCR (6, 5-8, 7) 16mΩ MAX (2-1) 115mΩ MAX Hi-Pot Pri-Sec 1500Vrms FLYBACK TRANSFORMER K1 Factor 4671.8 Pri. Inductance (3-4) 264.1µH ±10% (3-4) with Lk. Inductance (8, 7, 6, 5) shorted 6 µH MAX (3-4) 800mΩ MAX PA1135NL DCR (6, 5-8, 7) 45mΩ MAX (2-1) 115mΩ MAX Hi-Pot Pri-Sec 1500Vrms FLYBACK TRANSFORMER K1 Factor 4769.7 USA 858 674 8100 Germany 49 7032 7806 0 Singapore 65 6287 8998 Shanghai 86 21 62787060 China 86 755 33966678 Taiwan 886 3 4356768 1 pulseelectronics.com P742.D (02/16) High Frequency Wire Wound Transformers EP10 Platforms - SMT 5 Electrical Specifications @ 25°C - Operating Temperature -40°C to +130°C Pri. Inductance (3-4) 253.4 µH ±10% (3-4) with Lk. Inductance (8, 7, 6, 5) shorted 12 µH MAX (from pin 8 to 5) (3-4) 420 mΩ MAX (2-1) 335 mΩ MAX PA1253NL DCR (5-6) 9.5 mΩ MAX (7-8) 7.2 mΩ MAX Hi-Pot Pri-Sec 1500Vrms FLYBACK TRANSFORMER K1 Factor 4671.8 Pri. Inductance (3-4) 20.4µH ±10% (3-4) with Lk. Inductance (10, 9, 8, 7) shorted 1.5 µH MAX (3-4) 80 mΩ MAX PA1277NL DCR (6, 5-8, 7) 7.5 mΩ MAX (2-1) 150 mΩ MAX Hi-Pot Pri-Sec 1500Vrms K1 Factor 1002.9 FLYBACK TRANSFORMER Pri. Inductance (3-4) 155 µH ±10% (3-4) with Lk. Inductance (8, 7, 6, 5) shorted 5 µH MAX (3-4) 530 mΩ MAX PA1282NL DCR (6, 5-8, 7) 31 mΩ MAX (2-1) 900 mΩ MAX Hi-Pot Pri-Sec 1500Vrms K1 Factor 3117.5 FLYBACK TRANSFORMER Pri. Inductance (3-4) 155 µH ±10% (3-4) with Lk. Inductance (8, 7, 6, 5) shorted 5 µH MAX (3-4) 570 mΩ MAX PA1283NL DCR (6, 5-8, 7) 40 mΩ MAX (2-1) 1000 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms K1 Factor 3117.5 FLYBACK TRANSFORMER 2 pulseelectronics.com P742.D (02/16) High Frequency Wire Wound Transformers EP10 Platforms - SMT 5 Electrical Specifications @ 25°C - Operating Temperature -40°C to +130°C Pri. Inductance (3-4) 155 µH ±10% (3-4) with Lk. Inductance (8, 7, 6, 5) shorted 5 µH MAX (3-4) 540 mΩ MAX PA1284NL DCR (6, 5-8, 7) 370 mΩ MAX (2-1) 920 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms FLYBACK TRANSFORMER K1 Factor 3117.5 Pri. Inductance (3-4) 20.4 µH ±10% (3-4) with Lk. Inductance (8,5) shorted 1.5 µH MAX (3-4) 80 mΩ MAX PA1370NL DCR (5-8) 30 mΩ MAX (2-1) 105 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms FLYBACK TRANSFORMER K1 Factor 1002.9 Pri. Inductance (3-4) 185 µH ±10% (3-4) with Lk. Inductance (8, 7, 6, 5) shorted 10 µH MAX (3-4) 420 mΩ MAX PA1721NL DCR (6, 5-8, 7) 12 mΩ MAX (2-1) 115 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms FORWARD TRANSFORMER K1 Factor 3410.8 Pri. Inductance (3-4) 25.2µH ±10% (3-4) with Lk. Inductance (1, 2, 8, 7, 6, 5) shorted 0.55 µH MAX (3-4) 135 mΩ MAX PA2362NL DCR (6, 5-8, 7) 11 mΩ MAX (2-1) 115 mΩ MAX Hi-Pot Pri-Sec 1500 Vdc K1 Factor 1115.0 FLYBACK TRANSFORMER 3 pulseelectronics.com P742.D (02/16) High Frequency Wire Wound Transformers EP10 Platforms - SMT 5 Electrical Specifications @ 25°C - Operating Temperature -40°C to +130°C Pri. Inductance (3-4) 25.2 µH ±10% (3-4) with Lk. Inductance (1, 2, 8, 7, 6, 5) shorted 0.85 µH MAX (3-4) 135 mΩ MAX PA2363NL DCR (6, 5-8, 7) 9 mΩ MAX (2-1) 180 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms FLYBACK TRANSFORMER K1 Factor 1115.0 Pri. Inductance (3-4) 25.2µH ±10% (3-4) with Lk. Inductance (1, 2, 8, 7, 6, 5) shorted 1 µH MAX (3-4) 145 mΩ MAX PA2364NL DCR (6, 5-8, 7) 7.5 mΩ MAX (2-1) 110 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms FLYBACK TRANSFORMER K1 Factor 1059.4 Pri. Inductance (3-4) 24µH ±10% (3-4) with Lk. Inductance (8, 7, 6, 5) shorted 0.75 µH MAX (3-4) 82 mΩ MAX PA2454NL DCR (6, 5-8, 7) 13 mΩ MAX (2-1) 80 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms K1 Factor 1179.9 FLYBACK TRANSFORMER Pri. Inductance (3-4) 24 µH ±10% (1-4) with Lk. Inductance (8, 7, 6, 5) shorted 0.6 µH MAX (3-4) 90 mΩ MAX DCR PA2455NL (6, 5-8, 7) 23 mΩ MAX (2-1) 130 mΩ MAX Hi-Pot Pri-Sec 1500 Vdc K1 Factor 1179.9 FLYBACK TRANSFORMER 4 pulseelectronics.com P742.D (02/16) High Frequency Wire Wound Transformers EP10 Platforms - SMT 5 Electrical Specifications @ 25°C - Operating Temperature -40°C to +130°C Pri. Inductance (3-4) 24 µH ±10% (3,4) with Lk. Inductance (8, 7, 6, 5) shorted 0.6 µH MAX (3-4) 86 mΩ MAX PA2456NL DCR (6, ,5-8, 7) 86 mΩ MAX (2-1) 470 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms FLYBACK TRANSFORMER K1 Factor 1179.9 Pri. Inductance (3-4) 50.5 µH ±10% (3-4) with Lk. Inductance (8, 7, 6, 5) shorted 1.4 µH MAX (3-4) 420 mΩ MAX PA2627NL DCR (6, 5-8, 7) 47 mΩ MAX (2-1) 174 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms FLYBACK TRANSFORMER K1 Factor 1241.4 Pri. Inductance (4-1) with 3,2 shorted 40 µH ±10% (4-1) with 3,2 shorted 32 µH Min at 1.88A (4-1) with Lk. Inductance (5, 6, 7, 8) shorted 1.45 µH MAX (3-4) 410 mΩ MAX PA3948.001NL DCR (6, 5-8, 7)) 140 mΩ MAX (2-1) 140 mΩ MAX FLYBACK TRANSFORMER Hi-Pot Pri-Sec 1500 Vdc K1 Factor 1241.4 Pri. Inductance (4-1) with 3,2 shorted 40 µH ±10% (4-1) with 3.2 shorted 32 µH Min at 1.88A (4-1) with Lk. Inductance (5, 6, 7, 8) shorted 1.45 µH MAX (4-1) 405 mΩ MAX PA3948.002NL DCR (8-6) 470 mΩ MAX (7-5) 470 mΩ MAX Hi-Pot Pri-Sec 1500 Vdc FLYBACK TRANSFORMER K1 Factor 983.3 5 pulseelectronics.com P742.D (02/16) High Frequency Wire Wound Transformers EP10 Platforms - SMT 5 Electrical Specifications @ 25°C - Operating Temperature -40°C to +130°C Pri. Inductance (4-1) with 3, 2 shorted 40 µH ±10% (4-1) with 3, 2 shorted 32 µH Min at 1.88A (4-1) with Lk. Inductance (5, 6, 7, 8) shorted 1.45 µH MAX (4-1) 405 mΩ MAX PA3948.003NL DCR (8-6) 470 mΩ MAX (7-5) 470 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms K1 Factor 983.3 FLYBACK TRANSFORMER Pri. Inductance (4-1) with 3, 2 shorted 40 µH ± 10% (4-1) with 3, 2 shorted 32 µH Min at 1.88A (4-1) with Lk. Inductance (5, 6, 7, 8) shorted 1.45 µH MAX (4-1) 220 mΩ MAX PA3948.004NL DCR (8-6) 58 mΩ MAX (7-5) 58 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms FLYBACK TRANSFORMER K1 Factor 983.3 Pri. Inductance (4-1) with 3, 2 shorted 40 µH ±10% (4-1) with 3, 2 shorted 32 µH Min at 1.88A (4-1) with Lk. Inductance (5, 6, 7, 8) shorted 1.6 µH MAX (4-1) 220 mΩ MAX DCR PA3948.005NL (7-6) 1275 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms FLYBACK TRANSFORMER K1 Factor 983.3 Pri. Inductance (4-1) with 3, 2 shorted 40 µH ±10% (4-1) with 3, 2 shorted 32 µH Min at 1.88A (4-1) with Lk. Inductance (5, 6, 7, 8) shorted 1.65 µH MAX (4-1) 220 mΩ MAX PA3948.006NL DCR (7-6) 3350 mΩ MAX Hi-Pot Pri-Sec 1500 Vrms FLYBACK TRANSFORMER K1 Factor 983.3 6 pulseelectronics.com P742.D (02/16) High Frequency Wire Wound Transformers EP10 Platforms - SMT Notes: 1. The temperature of the component (ambient plus temperature rise) must be within the 5. Optional Tape & Reel packaging can be ordered by adding a “T” suffix to the part stated operating temperature range. number (i.e. PA1133NL becomes PA1133NLT). Pulse complies with industry standard tape 2. The above transformers and inductors have been tested and approved by Pulse’s power and reel specification EIA481. The tape and reel for this product has a width (W=32mm), IC partners and are sited in the appropriate datasheet or evaluation board documentation pitch (Po=24mm) an depth (Ko=11.6mm). at these companies. To determine which IC and IC partners are matched with the above Pulse part numbers please consult the IC Cross Reference on the Pulse website. 3. For flyback topology applications, it is necessary to ensure that the transformer will not saturate in the application. The peak flux density (Bpk) should remain below 2700Gauss. To calculate the peak density, use the following formula: Bpk (Gauss) = K1_Factor * Ipk (A) 4. In high volt-sec applications, it is important to calculate the core loss of the transformer. Approximate transformer core loss can be calculated as: 1.63 2.63 CoreLoss (W) = 2.5E-14 * (Freq_kHz) * (ΔB_Gauss) where ΔB can be calculated as: For Flyback Topology: ΔB = K1_Factor * (A) For Forward Topology: ΔB = K1_Factor * Volt-µsec Mechanical PAXXXXNL PAXXXNL Date Code Country of Origin For More Information Pulse Worldwide Pulse Europe Pulse China Headquarters Pulse North China Pulse South Asia Pulse North Asia Headquarters Einsteinstrasse 1 B402, Shenzhen Academy of Room 2704/2705 135 Joo Seng Road 3F, No. 198 12220 World Trade Drive D-71083 Herrenberg Aerospace Technology Bldg. Super Ocean Finance Ctr. #03-02 Zhongyuan Road San Diego, CA 92128 Germany 10th Kejinan Road 2067 Yan An Road West PM Industrial Bldg. Zhongli City U.S.A. High-Tech Zone Shanghai 200336 Singapore 368363 Taoyuan County 320 Nanshan District China Taiwan R. O. C. Shenzhen, PR China 518057 Tel: 886 3 4356768 Tel: 858 674 8100 Tel: 49 7032 7806 0 Tel: 86 755 33966678 Tel: 86 21 62787060 Tel: 65 6287 8998 Fax: 886 3 4356823 (Pulse) Fax: 858 674 8262 Fax: 49 7032 7806 135 Fax: 86 755 33966700 Fax: 86 2162786973 Fax: 65 6287 8998 Fax: 886 3 4356820 (FRE) Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. © Copyright, 2016. Pulse Electronics, Inc. All rights reserved. 7 pulseelectronics.com P742.D (02/16)
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