VR25, VR37, VR68

www.vishay.com

Vishay BCcomponents

Revision: 02-Jun-2022

8

Document Number: 28907

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

DIMENSIONS

VR25 WITH RADIAL TAPING

Lead Spacing (F = 4.8 mm), Size 0207

10.4

78 (Cab)

Damp heat

(steady state)

56 days; 40 °C;

(steps: 0 V to 100 V)

ΔR max.: ± 1.5 % R

7.1

Endurance (at 70 °C)

1.5 h ON and 0.5 h OFF

ΔR max.: ± 1.5 % R

12.3

Active flammability

“cheese-cloth test”

Steps of:

VR25: no flaming of

gauze cylinder

VR68: no flaming of

gauze cylinder

12.4

Passive flammability

“needle-flame test”

Application of test flame for 20 s

No ignition of product;

no ignition of under-layer;

burning time less than 30 s

DIMENSIONS - Leaded resistor types, mass, and relevant physical dimensions

TYPE

Ø d (mm)

MASS (mg)

VR25

2.5

6.5

7.5

0.58 ± 0.05

212

VR37

4.0

9.0

12.0

0.70 ± 0.03

457

VR68

6.8

18.0

19.0

0.78 ± 0.05

1690

TESTS PROCEDURES AND REQUIREMENTS

IEC 60115-1

CLAUSE

IEC 60068-2

TEST METHOD

TEST

PROCEDURE

REQUIREMENTS

PERMISSIBLE CHANGE

(

L

1

d

D

L

2

P

P

2

W

W

0

D

0

P

1

P

0

L

1

L

F

H

0

H

1

H

α = 30° to 40°

α

α

a

a

DIMENSIONS in millimeters

Pitch of components

P

12.7 ± 1.0

Lead spacing

F

4.8 + 0.7 / - 0.0

Width of carrier tape

W

18.0 ± 0.5

Body to hole center

H

19.5 ± 1.0

Height for cutting (max.)

L

11

Height for bending

16.5 ± 0.5

Component height (max.)

29