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© 2016 Littelfuse

Revised: 03/04/16

Specifications are subject to change without notice.

HE3300 Miniature Single In-line Reed Relay

Description

The HE3300 is a miniature reed relay in a SIL package with a choice of normally

open, normally open high voltage or changeover contacts capable of switching

up to 300Vdc at 10W. It is available with 5V, 12V, and 24V coils and has external

magnetic shield options.

Agency Approvals

Agency

Agency File Number

E47258

Reed Relays

Features

• Miniature single in-line package

• High voltage switching version

• Normally open and change over

contact configurations available

• External magnetic shield option

Benefits

• Single in-line configuration allows

high packing densities, minimizing

space and cost

• Lower power coil consumption than

competing electromechanical

devices

• Hermetically sealed switching

contact is immune to its

environment

• Transfer molded package gives

maximum component protection

Applications

• Security Systems

• Telecom Equipments

• Process Control Systems

• Automatic Test Equipments

• Instrumentation

Dimensions

Dimensions in mm (inch)

SIL Packaged > HE3300

Table 1: Dimension

Relay Type

Body Type

L

W

H

HE3300

Transfer Molded

24.13 (.950)

7.00 (.276)

7.40 (.291)

External Shield

24.90 (.980)

7.60 (.299)

7.80 (.307)

3.00 NOM.

(.118)

0.51

(0.020)

10.16 NOM.

(.400)

20.32 NOM.

(.800)

Fig. 1: HE3321A, HE3351A

0.51 NOM.

(0.020)

3.00 NOM.

(.118)

W

H

0.51

(0.020)

10.16 NOM.

(.400)

24.90

(.980)

24.13

(.950)

20.32 NOM.

(.800)

2.54 NOM.

(.100)

0.25 NOM.

(.010)

Fig. 2: HE3321C

Fig. 3: HE3300 (All)

0.51 NOM.

(0.020)

Note: Contact Littelfuse for specific agency approval ratings.