© 2017 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 09/14/17

Industrial High Energy Terninal Varistors > HB34, HF34 & HG34 Series

HF34 Series Ratings & Specifications

Lead–free

and RoHS

Compliant Models

Model

Size

Disc

Dia.

(mm)

Maximum Rating (85°C)

Specifications (25°C)

Continuous

Transient

Varistor Voltage at 1mA

DCTest Current

Maximum

Clamping Voltage

V

Current (8/20

µs)

Typical

Capaci-

tance

V

RMS

V

DC

Energy

(2ms)

Peak

Current

8 x 20

µs

Part Number

V

M(AC)

V

M(DC)

W

TM

I

TM

Min

V

N(DC)

Max

V

C

f = 1MHz

(V)

(V)

(J)

(A)

(V)

(V)

(V)

(V)

(pF)

V111HF34

34

110

148

220

156

173

190

288

11,600

V131HF34

34

130

175

270

184.5

205

225.5

345

10,000

V141HF34

34

140

188

291

198

220

242

375

9,000

V151HF34

34

150

200

300

216

240

264

405

8,000

V181HF34

34

180

240

330

40,000

254

282

310

468

6,800

V201HF34

34

200

265

350

40,000

283

314

345

533

6,350

V251HF34

34

250

330

370

40,000

351

390

429

650

5,000

V271HF34

34

275

370

400

40,000

387

430

473

730

4,500

V301HF34

34

300

410

430

40,000

423

470

517

780

4,100

V321HF34

34

320

420

460

40,000

459

510

561

830

3,800

V331HF34

34

330

435

475

40,000

467

518.5

570

843

3,750

V351HF34

34

350

460

500

40,000

495

549.5

604

894

3,600

V391HF34

34

385

510

550

40,000

545

604

663

1,000

3,500

V421HF34

34

420

560

600

40,000

612

680

748

1,130

3,000

V441HF34

34

440

587

620

40,000

622

690

758

1,150

2,900

V481HF34

34

480

640

650

40,000

675

750

825

1,240

2,700

V511HF34

34

510

675

700

40,000

738

820

902

1,350

2,500

V551HF34

34

550

710

755

40,000

778

863.5

949

1,404

2,390

V571HF34

34

570

730

770

40,000

819

910

1001

1,480

2,200

V661HF34

34

660

850

900

40,000

945

1050

1155

1,720

2,000

V681HF34

34

680

875

925

40,000

962

1067.5

1173

1777

1,900

V751HF34

34

750

970

1050

40,000

1080

1200

1320

2,000

1,800

Note:

1. Peak current applies to applications rated up to 97V

2. Peak current applies to applications rated up to V

3. Peak current applies to applications rated up to V

4. Peak current applies to applications rated up to V