51
Notes: 1)
The HE 700 Series is also available in low profile with
(.225) 5,72mm height. Contact Hamlin for details.
2)
HE721B - Exceeding recommended voltage may cause
contact reclosure.
3)
Optional external magnetic shield not available on
Form B relays.
Table 3 HE700 Series Miniature Relay Coil Characteristics @ 25˚C.
Contact Electrical & Dimensions Part Nominal Coil Must Must Maximum Top View 2,54 mm, 0.1 in. Grid
Form Operating Number Coil Voltage Resistance Operate Release Coil Voltage Dot on Case: Pin 1
Characteristics Vdc ±10% Ohms Vdc Vdc Vdc Numbers not printed on case.
1A HE721A0500 5 500 3.75 0.5 12
SPST-NO See Table 2 Figure 1 HE721A1200 12 1000 8.0 1.0 31
Column 1
HE721A2400 24 2150 16.0 2.0 46
See Note 2, 3
1B HE721B0500 5 500 3.75 0.5 6.5
SPST-NC See Table 2 Figure 1 HE721B1200 12 500 9.0 1.0 14
Column 4
HE721B2400 24 2150 18.0 2.0 28
1C HE721C0500 5 200 3.75 0.5 14
SPDT-CO See Table 2 Figure 1 HE721C1200 12 500 8.0 1.0 22
Column 2
HE721C2400 24 2000 16.0 2.0 44
1C HE721E0500 5 200 3.75 0.5 14
SPDT-CO See Table 2 Figure 1 HE721E1200 12 500 8.0 1.0 22
Column 2
HE721E2400 24 2000 16.0 2.0 44
1C HE721R0500 5 200 3.75 0.5 14
SPDT-CO See Table 2 Figure 1 HE721R1200 12 500 8.0 1.0 22
Column 2
HE721R2400 24 2000 16.0 2.0 44
2A HE722A0500 5 200 3.75 0.5 12
DPST-NO See Table 2 Figure 1 HE722A1200 12 500 8.0 1.0 22
Column 1
HE722A2400 24 2150 16.0 2.0 46
1A HE751A0500 5 500 3.75 0.5 12
SPST-NO See Table 2 Figure 2 HE751A1200 12 1000 8.0 1.0 31
High Voltage
Column 3
HE751A2400 24 2150 16.0 2.0 46
Column Number 1234
Contact Type Form A Form C Form A Form B
SPST, DPST SPDT-CO SPST SPST-NC
Standard Standard High Voltage Standard
Relay Types HE721, HE722 HE721C, E, R HE751 HE721
CONTACT RATINGS Power, Switching Watt - max. 10 5 10 10
Contact Hamlin for Voltage, Switching Vdc - max. 200 175 300 200
specific load/life details Current, Switching A - max. 0.5 0.25 0.5 0.5
Current, Carry A - max. 1.2 1.5 1.2 1.2
VOLTAGE HOLD-OFF Across Open Contacts Vdc - min. 250 200 450 250
Contacts to Coil Vac - min. 500 500 2500 500
Coil to E. Shield Vac - min. 150 150 N/A N/A
Between Isolated Terminals Vac - min. 500 N/A N/A N/A
RESISTANCE Contact, Initial Ω- max. 0.150 0.200 0.150 0.150
Insulation:Across Open Contacts Ω- min. 1010 1091010 1010
Between Isolated Terminals Ω- min. 1010 1010 1010 1010
TIMING Operate Time ms - max. 1.0 3.0 1.0 1.0
Release Time ms - max. 1.0 3.0 1.0 1.0
ENVIRONMENTAL Temperature, Operating °C -40 to +85 -40 to +85 -20 to +85 -40 to +85
Temperature, Storage °C -40 to +105 -40 to +105 -40 to +105 -40 to +105
Vibration Resistance G - max. 10-2000 Hz. 20 20 20 20
Shock Resistance G - max. 11 ms, 1⁄2sine 50 50 50 50
Table 2 HE700 Series
Recognised File #E47258
Electrical and Operating Characteristics @ 25˚C.
INFORMATION PROVIDED ON THIS DATA SHEET IS PROVIDED FOR INFORMATION PURPOSES ONLY AND SHOULD NOT BE RELIED
UPON AS BEING ACCURATE FOR ANY PARTICULAR PURPOSE. Product performance may be affected by the application to which the product
is put. Upon request, HAMLIN will assist purchasers by providing information specific to any particular application. HAMLIN disclaims any and all
liability whatsoever for any purchaser’s reliance upon the information contained on this data sheet without further consultation with authorised
representatives of HAMLIN.