Active Power Factor Correction (PFC) Choke (TL427 Series)

Encapsulated Power Factor Correction (PFC)

[] Features:

  • Rated voltage : 250Vac (50/60Hz) / 350Vdc
  • Insulation material class B (130°C)
  • Low leakage flux & high saturation current
  • Low parasitic capacitance winding
  • High thermal stability due to complete potting
  • Climatic category: 40/125/56 (IEC 60068-1)
  • With RoHS complied
  • Custom-made choke are available upon request

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Circuit Diagram

 

 

 

 

 

 

 

 

Physical Dimension  (for TL427A – TL427C series)

 

 

 

 

 

 

 

 

 

 

Note:

(1)    It can be applied with Aux winding, add suffix “2” in P/N, e.g. “TL427A-020-013V2” or “TL427A-020-013H2”.

(2)    Normally Aux. winding could be verified with the turn ratio 9:1.

Product Series Dimension (mm) Weight   (g)
A B C D E F G H
TL427A Ver. 24.0 16.2 26.0 10.0 12.5 5.0 3.5 DIA0.8 17
Hor. 23.5 25.0 16.5 12.5 20.0 3.5 DIA0.8 16
TL427B Ver. 28.0 19.0 30.0 12.5 15.0 5.0 3.5 DIA0.8 27
Hor. 28.0 29.3 18.5 15.0 25.0 3.5 DIA0.8 23
TL427C Ver. 33.0 21.6 37.0 12.5 17.5 7.5 3.5 DIA0.8 46
Hor. 33.0 34.2 20.5 20.0 30.0 3.5 DIA0.8 42
Tolerance max. max. max. ± 0.5 ± 0.5 ± 0.5 ± 1.0 ± 0.1 approx.

Note: Unused pins are omitted for standard parts. Unused pins can be provided on request.

Physical Dimension  (for TL427D – TL427F series)

 

 

 

 

 

 

 

 

 

 

Note:

(1)     It can be applied with Aux winding, add suffix “2” in P/N, e.g. “TL427D-070-013V2” or “TL427D-070-013H2”.

(2)    Normally Aux. winding could be verified with the turn ratio 9:1.

Product Series Dimension (mm) Weight  (g)
A B C D E F G H
TL427D Ver. 40.3 30.3 43.5 20.0 25.0 7.5 3.5 SQ1.0 85
Hor. 40.5 40.5 29.0 12.5 35.0 3.5 SQ1.0 75
TL427E Ver. 46.0 32.8 51.5 25.0 27.5 7.5 3.5 SQ1.0 140
Hor. 47.5 47.5 31.5 17.5 42.0 3.5 SQ1.0 125
TL427F Ver. 54.3 36.8 59.3 25.0 31.5 12.0 3.5 SQ1.0 240
Hor. 53.5 53.5 36.5 22.5 48.0 3.5 SQ1.0 210
Tolerance max. max. max. ± 0.5 ± 0.5 ± 0.5 ± 1.0 ± 0.1 approx.

Note: Unused pins are omitted for standard parts. Unused pins can be provided on request.

Part Number Designation:

TL427X-RRR-ZZZY         Where

TL427 = Series

X = Case size

RRR = Current

ZZZ  = 3 digit number indicate the inductance with DC bias

(012) = MPP core

(013) = High Flux core

(014) = Sendust core

Y = H : Horizontal;  V : Vertical

Part Number Nominal Current Idc (A) Inductance Lo (µH) DC  Resistance (mW, nominal) Inductance (with dc bias)Ldc (µH) Aux Winding
(012) (013) (014)
TL427A-005-ZZZY

TL427A-008-ZZZY

TL427A-010-ZZZY

TL427A-015-ZZZY

TL427A-020-ZZZY

0.5

0.8

1.0

1.5

2.0

1281

890

643

320

222

757

550

373

204

132

1175

770

550

265

175

1175

850

625

275

185

935

605

420

205

130

( Y / N )

( Y / N )

( Y / N )

( Y / N )

( Y / N )

TL427B-010-ZZZY

TL427B-015-ZZZY

TL427B-020-ZZZY

TL427B-025-ZZZY

TL427B-030-ZZZY

1.0

1.5

2.0

2.5

3.0

1530

822

550

435

244

550

320

200

150

96

1120

570

375

260

165

1400

735

495

375

215

885

440

275

195

125

( Y / N )

( Y / N )

( Y / N )

( Y / N )

( Y / N )

TL427C-015-ZZZY

TL427C-020-ZZZY

TL427C-025-ZZZY

TL427C-030-ZZZY

TL427C-040-ZZZY

1.5

2.0

2.5

3.0

4.0

1774

947

485

378

262

456

270

107

75

50

1225

670

360

275

180

1545

830

430

335

225

830

475

255

195

125

( Y / N )

( Y / N )

( Y / N )

( Y / N )

( Y / N )

TL427D-030-ZZZY

TL427D-040-ZZZY

TL427D-050-ZZZY

TL427D-060-ZZZY

TL427D-070-ZZZY

3.0

4.0

5.0

6.0

7.0

367

316

226

151

120

112

82

56

34

25

340

275

200

135

105

355

295

210

145

115

295

235

170

115

95

( Y / N )

( Y / N )

( Y / N )

( Y / N )

( Y / N )

TL427E-040-ZZZY

TL427E-050-ZZZY

TL427E-070-ZZZY

TL427E-080-ZZZY

TL427E-100-ZZZY

4.0

5.0

7.0

8.0

10.0

610

483

371

273

123

110

70

55

39

20

520

380

260

185

100

565

395

315

235

110

425

315

215

155

85

( Y / N )

( Y / N )

( Y / N )

( Y / N )

( Y / N )

TL427F-050-ZZZY

TL427F-060-ZZZY

TL427F-080-ZZZY

TL427F-120-ZZZY

TL427F-150-ZZZY

5.0

6.0

8.0

12.0

15.0

810

641

492

363

254

86

68

53

35

24

680

510

355

215

145

720

555

430

300

195

565

420

290

175

115

( Y / N )

( Y / N )

( Y / N )

( Y / N )

( Y / N )

Note:

(1)    Testing condition of inductance: 10kHz, 0.1V.

(2)    DC resistance is measured at room temperature 25°C.

Product Catalog
Active-Power-Factor-Correction-(PFC)-Choke-TL427-Series