3540/6, 3550/6, 3558/6, 3560/6, 3570/6, 3580/6, 35100/6, 35125/6

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Vishay Draloric

Revision: 24-Feb-12

1

Document Number: 22170

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

Ceramic Stand-Off Insulators for RF-Equipment

FEATURES

• Application in HF equipment

• High flashover voltage

• High compressive and tensile load

• Different thread sizes available

MATERIAL

Stand-off insulator elements made from Class 1 ceramic

material (C 221-IEC 60672-3), body completely glazed.

Connection Terminals: Brass

MARKING

None

OPERATING CONDITIONS

Maximum Operating Temperature: + 100 °C

Maximum Compressive Load:

3.0 kN

Maximum Tensile Load:

7.5 kN

Maximum Reactive Current:

Note

• # indicator of thread size, “6” = M6 (standard), other metric sizes as well as US standard threads are available on request

QUICK REFERENCE DATA

DESCRIPTION

VALUE

Ceramic Class

1

Ceramic Dielectric

R7

Type

Stand-off Insulator 3540/6, 3550/6, 3558/6, 3560/6, 3570/6, 3580/6, 35100/6, 35125/6

10 000

12 000

13 000

15 000

16 000

19 000

22 000

Min. Capacitance (pF)

2.5

1.9

1.2

0.9

0.7

0.5

0.3

Max. Capacitance (pF)

2.5

1.9

1.2

0.9

0.7

0.5

0.3

Mounting

Screw terminal

SAP PART NUMBER, ELECTRICAL, AND DIMENSIONAL DATA

PART NUMBER

CERAMIC

CAPACITANCE

VALUES

(pF)

FLASHOVER VOLTAGE

AT 50 Hz, 60 % REL.

AIR HUMIDITY

OPERATING

VOLTAGE

DIMENSIONS H

mm (INCHES)

DISSIPATION

FACTOR

ISOLATOR3540M#1

R7

2.5

25

10

40 (1.575)

Max. 0.05 %

(1 MHz)

ISOLATOR3550M#1

1.9

29

12

50 (1.969)

ISOLATOR3558M#1

1.2

33

13

58 (2.283)

ISOLATOR3560M#1

1.2

33

13

60 (2.362)

ISOLATOR3570M#1

0.9

37

15

70 (2.756)

ISOLATOR3580M#1

0.7

41

16

80 (3.150)

ISOLATOR35100M#1

0.5

48

19

100 (3.937)

ISOLATOR35125M#1

0.3

56

22

125 (4.921)