Active Power Factor Correction (PFC) Choke (TL428 Series)

Active Power Factor Correction (PFC) Choke

Features:

  • Rated voltage : 250Vac (50/60Hz) / 350Vdc
  • High “Q” and low parasitic capacitance winding
  • High resonant frequency owing to special winding technique
  • High stable inductance with changing DC bias current
  • Insulation material class F (155°C)
  • Operating temperature: -40°C to 125°C
  • With RoHS complied
  • Custom-made are available upon request

Circuit Diagram

 

 

 

 

 

 

 

Physical Dimension (Fig. I – Single Core)

 

 

 

 

 

 

 

 

Note: 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 J
TL428D 37.5 26.0 36.0 5.0 (note 1) DIA1.0 21.0 20.0 16.0 67
TL428E 42.0 28.0 45.0 5.0 (note 1) DIA1.0 21.3 17.8 18.1 98
TL428F 50.0 31.5 51.0 5.0 (note 1) DIA1.0 26.1 22.8 22.0 180
TL428G 59.0 37.5 59.5 5.0 (note 1) DIA1.0 31.5 30.0 26.3 260
Tolerance max. max. max. ± 1.0 ± 0.1 ± 0.1 ± 0.5 ± 1.0 ± 1.0 approx.

Note: 1) Detail pin diameter will be shown at product specification.

          2) Unused pins are omitted for standard parts.

Physical Dimension (Fig. II – Double Core)

 

 

 

 

 

 

 

 

Note: 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 J
TL428K 37.5 37.0 36.0 5.0 (note 1) DIA1.0 32.0 31.0 16.0 86
TL428L 42.0 38.0 44.5 5.0 (note 1) DIA1.0 32.4 31.0 18.1 130
TL428M 50.0 47.0 51.5 5.0 (note 1) DIA1.0 41.5 38.5 22.05 250
TL428P 59.0 56.5 59.5 5.0 (note 1) DIA1.0 50.2 48.7 26.3 390
Tolerance max. max. max. ± 1.0 ± 0.1 ± 0.1 ± 0.5 ± 1.0 ± 0.5 approx.

Note: 1) Detail pin diameter will be shown at product specification.

          2) Unused pins are omitted for standard parts.

 

Part Number Designation:

TL428X-RRR-ZZZY

Where     TL428    =     Series

                X             =      Case size

                RRR        =      Current

                ZZZ         =      3 digit number indicate the core material.

                (012)        =      MPP core                        (015)        =      Mega Flux core

                (013)        =      High Flux core                (016)        =      Iron Powder core

                (014)        =      Sendust core

                Y             =      A     :       With Aux. winding

                                        B     :       Double permeability (Lo x 2)

Part Number Nominal Current Idc (A) Inductance Lo (µH) DC Resistance (mW, nominal) Inductance (with dc bias)Ldc (µH)
(012) (013) (014) (015) (016)
TL428D-030-ZZZY

TL428D-040-ZZZY

TL428D-050-ZZZY

TL428D-060-ZZZY

TL428D-070-ZZZY

3.0

4.0

5.0

6.0

7.0

378

307

244

188

139

125

91

64

45

31

351

267

217

168

122

367

289

227

180

133

306

230

185

144

111

353

281

219

169

125

329

250

191

149

105

TL428E-040-ZZZY

TL428E-050-ZZZY

TL428E-070-ZZZY

TL428E-080-ZZZY

TL428E-100-ZZZY

4.0

5.0

7.0

8.0

10.0

610

483

371

273

123

130

98

56

40

24

520

380

260

185

100

565

395

315

235

110

425

315

215

155

85

545

425

309

235

106

453

342

240

180

87

TL428F-050-ZZZY

TL428F-060-ZZZY

TL428F-080-ZZZY

TL428F-120-ZZZY

TL428F-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

741

584

415

289

198

563

430

303

189

128

TL428G-080-ZZZY

TL428G-100-ZZZY

TL428G-120-ZZZY

TL428G-150-ZZZY

TL428G-180-ZZZY

8.0

10.0

12.0

15.0

18.0

822

606

423

273

156

80

59

39

25

16

590

408

290

185

111

730

528

368

236

138

513

360

250

162

100

725

519

365

236

136

500

365

236

157

95

TL428K-050-ZZZY

TL428K-060-ZZZY

TL428K-070-ZZZY

5.0

6.0

7.0

487

375

277

98

70

50

415

320

240

450

350

260

340

255

190

430

335

250

370

285

205

TL428L-070-ZZZY

TL428L-080-ZZZY

TL428L-100-ZZZY

7.0

8.0

10.0

547

396

247

62

45

33

420

315

195

485

360

220

340

250

160

470

350

215

365

275

175

TL428M-080-ZZZY

TL428M-120-ZZZY

TL428M-150-ZZZY

8.0

12.0

15.0

663

526

405

66

46

32

520

320

215

580

425

315

425

265

180

585

425

310

415

270

190

TL428P-120-ZZZY

TL428P-150-ZZZY

TL428P-180-ZZZY

12.0

15.0

18.0

596

432

294

43

29

20

455

325

230

535

390

280

395

275

190

535

390

270

375

270

190

Note: (1) The advantage of double core models: smaller size & higher inductance.

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

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

 

Product Catalog
Active-Power-Factor-Correction-(PFC)-Choke-TL428-Series