45.0 (1.771)

16.5 (.650)

Rev. No.

A

Revision Note

Web Site 2000

Date

1-1-00

Signature

RG

PART NUMBER

SPECIFICATION

Comus Group of Companies

PRODUCT DATA SHEET

CONTACT FORM

CONTACT MATERIAL

SWITCHING CAPACITY

SWITCHING VOLTAGE

SWITCHING CURRENT

CARRYING CURRENT

DIELECTRIC STRENGTH

CONTACT RESISTANCE

INSULATION RESISTANCE

PULL-IN SENSITIVITY

DROP-OUT SENSITIVITY

SWITCHING TIME WITHOUT BOUNCE

BOUNCE TIME

RELEASE TIME

RESONANT FREQUENCY

OPERATING FREQUENCY

VIBRATION

SHOCK

CAPACITANCE

OPERATING TEMP. RANGE

TEST COIL

Close-differential switches

Max.

Max.

Max.

Max.

Min.

Max.

Min.

Min.

Max.

Max.

Max.

Typ.

Max.

10-1000

Typ.

Deg.

Type

A

Rhodium

10

100

0.2

0.5

150

100

109

15 - 45

DO/PI

≥0.8

1.4

1.0

0.05

3900

500

20

30

0.5

-40 +125

0221

REED SWITCHES - Dry Contact

2212

Drawings not to scale

All dimensions in mm (inches) nominal

FORM AE043 ISS1

As part of the company policy of continued product improvement, specifications may change without notice. Our sales

office will be pleased to help you with the latest information on this product range and details of our full design and

manufacturing service. All products are supplied to our standard conditions of sale otherwise agreed in writing.

©1999 Copyright Comus Group of Companies

W/VA

Vac/dc

A

A

Vdc

m

Ω

Ω

AT

AT

ms

ms

ms

Hz

Hz

Hz

G

pF

˚C

2.8

(.110)

0.35

(.137)

We can supply custom cut and formed switches

NOTE: When cutting or bending switch leads it is important that

the glass seal is not damaged. The cutting or bending point should

be no closer than 3mm (.118) to the glass to metal seal and the

lead should be supported between the cutting or bending point

and the glass to metal seal.

The Comus Group of Companies

consist of:

Assemtech Europe Limited

E. Bachem GmbH

Comus International

W. Gunther GmbH

Gunther Belgium

Gunther France

S.T.G.

Ordering Information

PART NUMBER

2212

15

45

Type

Maximum (AT)

Sensitivity

Minimum (AT)

Sensitivity

Example: Type 2212 Standard Sensitivity. Pull-in sensitivity between 20-30 AT

is PART NO: 2212 20 30