Sensors Products Page 11 Sensors Products

2017 Littelfuse, Inc. Specifications are subject to change without notice Littelfuse.com 11 Product Series Description Overall Dimensions Coil Voltage Coil Resistance Contact Ratings, Switching Contact Form Transfer Molded Body External Shield Body mm (inch) Vdc Ohms Vdc A W L x W x H Nominal Max. Nominal Max. Max. Max. HE721A0500 Reed Relay, DIL, SPST-NO 19.05 (.750) x 7.22 (0.284) x 5.50 (0.217) 20.14 (0.793) x 7.62 (0.300) x 5.82 (0.229) 5 12 500 200 0.5 10 Form A HE721A1200 12 31 1000 HE721A2400 24 46 2150 HE721B0500 Reed Relay, DIL, SPST-NC 19.05 (.750) x 7.22 (0.284) x 5.50 (0.217) 20.14 (0.793) x 7.62 (0.300) x 5.82 (0.229) 5 6.5 500 200 0.5 10 Form B HE721B1200 12 14 500 HE721B2400 24 28 2150 HE721C0500 Reed Relay, DIL, SPDT-CO 19.05 (.750) x 7.22 (0.284) x 5.50 (0.217) 20.14 (0.793) x 7.62 (0.300) x 5.82 (0.229) 5 14 200 175 0.25 5 Form C HE721C1200 12 22 500 HE721C2400 24 44 2000 HE721E0500 Reed Relay, DIL, SPDT-CO 19.05 (.750) x 7.22 (0.284) x 5.50 (0.217) 20.14 (0.793) x 7.62 (0.300) x 5.82 (0.229) 5 14 200 175 0.25 5 Form C HE721E1200 12 22 500 HE721E2400 24 44 2000 HE721R0500 Reed Relay, DIL, SPDT-CO 19.05 (.750) x 7.22 (0.284) x 5.50 (0.217) 20.14 (0.793) x 7.62 (0.300) x 5.82 (0.229) 5 14 200 175 0.25 5 Form C HE721R1200 12 22 500 HE721R2400 24 44 2000 HE722A0500 Reed Relay, DIL, DPST-NO 19.05 (.750) x 7.22 (0.284) x 5.50 (0.217) 20.14 (0.793) x 7.62 (0.300) x 5.82 (0.229) 5 12 200 200 0.5 10 Form A HE722A1200 12 22 500 HE722A2400 24 46 2150 HE751A0500 Reed Relay, DIL, SPST-NO, High Voltage 19.05 (.750) x 7.22 (0.284) x 5.50 (0.217) 20.14 (0.793) x 7.62 (0.300) x 5.82 (0.229) 5 12 500 300 0.5 10 Form A HE751A1200 12 31 1000 HE751A2400 24 46 2150 Product Series Description Overall Dimensions Coil Voltage Coil Resistance Contact Ratings, Switching Contact Form Transfer Molded Body External Shield Body mm (inch) Vdc Ohms Vdc A W L x W x H Nominal Max. Nominal Max. Max. Max. HE3321A0400 Reed Relay, SIL, SPST-NO 24.13 (0.950) x 7.00 (0.276) x 7.40 (0.291) 24.90 (0.980) x 7.60 (0.299) x 7.80 (0.307) 5 22 500 200 0.5 10 Form A HE3321A1200 12 22 500 HE3321A2400 24 44 2000 HE3321C0500 Reed Relay, SIL, SPDT-CO 24.13 (0.950) x 7.00 (0.276) x 7.40 (0.291) 24.90 (0.980) x 7.60 (0.299) x 7.80 (0.307) 5 11 125 175 0.25 5 Form C HE3321C1200 12 22 500 HE3321C2400 24 44 2000 HE3351A0500 Reed Relay, SIL, SPST-NO, High Voltage 24.13 (0.950) x 7.00 (0.276) x 7.40 (0.291) 24.90 (0.980) x 7.60 (0.299) x 7.80 (0.307) 5 14 125 300 0.5 10 Form A HE3351A1200 12 22 500 HE3351A2400 24 44 2000 Product Series Description Overall Dimensions Coil Voltage Coil Resistance Contact Ratings, Switching Contact Form Transfer Molded Body External Shield Body mm (inch) Vdc Ohms Vdc A W L x W x H Nominal Max. Nominal Max. Max. Max. HE3621A0500 Reed Relay, SIL, SPST-NO 19.05 (0.750) x 5.08 (0.200) x 7.45 (0.293) 19.70 (0.776) x 5.65 (0.222) x 7.87 (0.310) 5 14 500 200 0.5 10 Form A HE3621A1200 12 22 1000 HE3621A2400 24 31 2150 DUAL-IN-LINE (DIL) Reed relay products are available in standard dual-in-line packages for mounting on a printed circuit board or socket. SINGLE-IN-LINE (SIL) Reed relay products are available in standard single-in-line packages for mounting on a printed circuit board or socket. MINIATURE SINGLE-IN-LINE (SIL) Reed relay products are available in smaller profile single-in-line packages for mounting on a printed circuit board or socket. REED RELAYS

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