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Designer's Kits

PL140 Series
SMT Planar Transformers

  • Three different schematics and 15 turns ratios to meet a variety of applications
  • Rated for 140 Watts output between 200 kHz and 500 kHz
  • Designed for −48 V input, making them ideal for Intermediate Bus Converters (IBC)
  • High efficiency, low DCR and low leakage inductance
  • Can be special ordered with an optional auxiliary winding
  • 1500 Vdc isolation primary to secondary
  • RoHS-compliant. 260°C compatible. Matte tin over nickel over brass terminations
  • Samples are available in Coilcraft Designer's Kit C390

SPECIFICATIONS

A B C D E F

Two of each part shown in red are included in Designer's Kit C390

Part number1
Click to get parts
Primary
turns
Schem Primary
inductance2
min (µH)
Leakage
inductance
3
max (µH)
DCR max (mOhms)4
Primary
Secondary
N1 N2
PL140-100L_ 4 4 A 120 0.35 12.0 (2-3), 12.0 (3-4) 4.0 (6-10)
PL140-101L_ 9 B 152 0.35 32.8 (2-4) 4.0 (6-10)
PL140-102L_ 5 5 A 188 0.35 20.8 (2-3), 20.8 (3-4) 4.0 (6-10)
PL140-103L_ 11 B 227 0.35 48.8 (2-4) 4.0 (6-10)
PL140-104L_ 6 6 A 270 0.45 28.0 (2-3), 28.0 (3-4) 4.0 (6-10)
PL140-105L_ 4 4 C 120 0.35 12.0 (2-3), 12.0 (3-4) 0.5 (6-7), 0.5 (9-10)
PL140-106L_ 9 D 152 0.35 32.8 (2-4) 0.5 (6-7), 0.5 (9-10)
PL140-107L_ 5 5 C 188 0.35 20.8 (2-3), 20.8 (3-4) 0.5 (6-7), 0.5 (9-10)
PL140-108L_ 11 D 227 0.50 48.8 (2-4) 0.5 (6-7), 0.5 (9-10)
PL140-109L_ 6 6 C 270 0.60 28.0 (2-3), 28.0 (3-4) 0.5 (6-7), 0.5 (9-10)
PL140-110L_ 4 4 E 120.0 0.35 12.0 (2-3), 12.0 (3-4) 1.0 (6-8), 1.0 (9-10)
PL140-111L_ 9 F 152.0 0.35 32.8 (2-4) 1.0 (6-8), 1.0 (9-10)
PL140-112L_ 5 5 E 188.0 0.35 20.8 (2-3), 20.8 (3-4) 1.0 (6-8), 1.0 (9-10)
PL140-113L_ 11 F 227.0 0.35 48.8 (2-4) 1.0 (6-8), 1.0 (9-10)
PL140-114L_ 6 6 E 270.0 0.45 28.0 (2-3), 28.0 (3-4) 1.0 (6-8), 1.0 (9-10)
1 When ordering, please specify packaging code: PL140-114LD  
  Packaging: D =13″ machine-ready reel.
EIA-481 embossed plastic tape (200 parts per full reel).
  B = Less than full reel. In tape, but not machine ready.
To have a leader and trailer added ($25 charge), use code letter D instead.
  Aux winding To order a transformer with an optional auxiliary winding, add an “X” and the turn count after the PL140, e.g. PL140X3-100LB.
Turn counts of 2, 3, 4, 5, 7 and 9 are available for the auxiliary winding.
Transformers with auxiliary windings are not stocked. Call for lead time.
2 Inductance measured on an Agilent/HP 4284 between pins 2 and 4 at 200 kHz, 0.1 Vrms, 0 Adc
3 Leakage inductance measured between pins 2 and 4 at 100 kHz, 0.1 Vrms, 0 Adc with all secondary pins shorted.
4 DCR at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
5 Ambient temperature range: −40°C to +85°C
6 Storage temperature range: Component: −40°C to +85°C
Tape and reel packaging: −40°C to +80°C
7 Maximum part temperature: +125°C (ambient + temp rise)
8 Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
9 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.
PCB washing: Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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Updated: October 30, 2017