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TDK EPCOS MOV 25d621k series B72225S4381K101 S25K385E4R12

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TDK EPCOS MOV 25d621k series B72225S4381K101 S25K385E4R12

  • Ordering code B72225S4381K101
  • Series/Type B722*, S25K385E4R12
  • Max. operating voltage (DC) 505V
  • Max. operating voltage (AC) 385V
  • Surge current 20000A
  • Energy absorption 600J

Electrical specifications

Electrical specifications and ordering codes

Maximum ratings (TA = 105 ℃)

Ordering code

Type 

(untaped) SIOV-

VRMS



V

VDC



V

imax

(8/20µs) 

1 time

A

In 1)

(8/20µs)

15 times 
A

Wmax

(2 ms)


J

Pmax



W

B72225S4301K101

S25K300E4R12

300

385

20000

10000

410

1.0

B72225S4321K101

S25K320E4R12

320

420

20000

10000

445

1.0

B72225S4381K101

S25K385E4R12

385

505

20000

10000

600

1.0

B72225S4421K101

S25K420E4R12

420

560

20000

10000

700

1.0

B72225S4441K101

S25K440E4R12

440

585

20000

10000

710

1.0

B72225S4461K101

S25K460E4R12

460

615

20000

10000

720

1.0


Note: Nominal discharge current In according to UL 1449, 4thedition.

Characteristics (TA = 25 ℃)

Ordering code

Vv

(1 mA)

V

∆Vv

(1 mA)

%

vc,ma

(ic)

V

ic

 

A

Ctyp

(1 kHz)

pF

B72225S4301K101

470

±10

775

150

1750

B72225S4321K101

510

±10

840

150

1600

B72225S4381K101

620

±10

1025

150

1250

B72225S4421K101

680

±10

1120

150

1150

B72225S4441K101

715

±10

1180

150

1100

B72225S4461K101

750

±10

1240

150

1050


Dimension

DRAWING IN MM

Ordering code

[e] ±1 

mm

a (typical) 

mm

wmax

mm

thmax

mm

hmaxx

mm

lmin

mm

d ±0.05 

mm

B72225S4301K101

12.7

4.8

27.5

7.4

31.0

25.0

1.0

B72225S4321K101

12.7

4.9

27.5

7.6

31.0

25.0

1.0

B72225S4381K101

12.7

5.0

27.5

8.3

31.5

25.0

1.0

B72225S4421K101

12.7

5.2

27.5

8.6

31.5

25.0

1.0

B72225S4441K101

12.7

5.4

27.5

8.9

31.5

25.0

1.0

B72225S4461K101

12.7

5.6

27.5

9.1

31.5

25.0

1.0


The others

N/a

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