Reed Relays SIL Packaged > HE3300 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. Features External magnetic shield option Miniature single in-line package High voltage switching version Normally open and change over contact configurations available Benefits Agency Approvals Single in-line configuration allows Hermetically sealed switching high packing densities, minimizing contact is immune to its Agency Agency File Number space and cost environment Lower power coil consumption than Transfer molded package gives E47258 competing electromechanical maximum component protection devices Note: Contact Littelfuse for specific agency approval ratings. Applications Automatic Test Equipments Security Systems Instrumentation Dimensions Telecom Equipments Dimensions in mm (inch) Process Control Systems 24.13 24.90 W (.950) (.980) 0.51 0.51 3.00 NOM. (0.020) (0.020) 3.00 NOM. (.118) H (.118) 0.51 NOM. 0.51 NOM. 10.16 NOM. 10.16 NOM. (0.020) (0.020) (.400) (.400) 2.54 NOM. 0.25 NOM. (.100) (.010) 20.32 NOM. 20.32 NOM. (.800) (.800) Fig. 1: HE3321A, HE3351A Fig. 2: HE3321C Fig. 3: HE3300 (All) Table 1: Dimension Relay Type Body Type L W H Transfer Molded 24.13 (.950) 7.00 (.276) 7.40 (.291) HE3300 External Shield 24.90 (.980) 7.60 (.299) 7.80 (.307) 2016 Littelfuse Revised: 03/04/16 littelfuse.com Specifications are subject to change without notice.Reed Relays SIL Packaged > HE3300 HE3300 Miniature Single In-line Reed Relay Table 2: Electrical and Operating Characteristics 25C Column Number 1 2 3 Form A Form A Form C Contact Type SPST-NO SPST-NO SPST-CO Standard High Voltage Standard Relay Types HE3321A HE3351A HE3321C Power, Switching Watt - max. 10 10 5 Voltage, Switching Vdc - max. 200 300 175 1 Contact Rating Current, Switching A - max. 0.5 0.5 0.25 Current, Carry A - max. 1.2 1.5 1.5 Across Open Contacts Vdc - min. 250 450 200 4 Voltage Hold-off Contacts to Coil Vac - min. 2500 2500 2500 Contact, Initial max. 0.150 0.150 0.200 5 10 10 10 Resistance Insulation Across Open Contacts min. 10 10 10 10 10 10 Insulation Between Isolated Terminals min. 10 10 10 Operate Time ms - max. 1.0 1.0 3.0 Timing Release Time ms - max. 1.0 1.0 3.0 Temperature, Operating C -40 to +85 -20 to +85 -40 to +85 Temperature, Storage C -40 to +105 -40 to +105 -40 to +105 Environmental Vibration Resistance G - max. 10-2000 Hz. 20 20 20 Shock Resistance G - max. 11 ms sine 50 50 50 Table 3: Coil Characteristics 25C Electrical and Nominal Coil Must Must Maximum Top View 2.54mm (0.1 ) Grid Contact Operating Dimensions Part Number Coil Voltage Resistance Operate Release Coil Voltage Dot on Case: Pin 1 Form and Type Characteristics Vdc 10% Ohms Vdc Vdc Vdc Numbers not printed on case. HE3321A0400 5 500 3.75 0.5 22 12 34 1A See Table 2 See HE3321A1200 12 500 9.0 1.0 22 SPST-NO Column 1 Figure 1 HE3321A2400 24 2000 18.0 2.0 44 HE3321C0500 5 125 3.75 0.5 11 12 35 4 1C See Table 2 See HE3321C1200 12 500 9.0 1.0 22 SPDT-CO Column 3 Figure 2 HE3321C2400 24 2000 18.0 2.0 44 HE3351A0500 5 125 3.75 0.5 11 12 34 1A See Table 2 See SPST-NO HE3351A1200 12 500 9.0 1.0 22 Column 2 Figure 1 High Voltage HE3351A2400 24 2000 18.0 2.0 44 2016 Littelfuse Revised: 03/04/16 littelfuse.com Specifications are subject to change without notice.