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HE721A2400 Datasheet Preview

HE721A2400 Datasheet

Miniature Dual In-line Reed Relay

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Reed Relays
DIL Packaged > HE700
HE700 Miniature Dual In-line Reed Relay
Agency Approvals
Agency
Agency File Number
E47258
Note: Contact Littelfuse for specific agency approval ratings.
Dimensions
Dimensions in mm (inch)
19.05
(.750)
Description
The HE700 is a miniature reed relay in a DIL package with a choice of normally
open, normally open high voltage, normally closed or changeover contacts
capable of switching up to 300Vdc at 10W. It is available with 5V, 12V, and 24V
coils and diode suppression and also available with magnetic shield option.
Features
• Miniature dual in-line package
• Optional coil suppression diode to
protect coil drive circuits
• External magnetic shield option
• Diode suppression option
• RoHS Compliant
Benefits
• One relay, various contacts choices
reducing space and cost without
compromising flexibility
• Lower power coil consumption than
competing electromechanical
devices.
• Hermetically sealed switching
contact is immune to the effects of
its environment
• Transfer molded package gives
maximum component protection
Applications
• Security Systems
• Telecom Equipments
• Process Control Systems
• Industrial Equipments
• Instrumentation
20.14
(.793)
W
HH
0.51
(.020)
0.51NOM.
(.020)
10.16 NOM.
(.400)
15.24 NOM.
(.600)
Fig. 1: HE700
0.51
(.020)
3.00 NOM.
(.118)
0.51NOM.
(.020)
Table 1: Dimension
Relay Type
Body Type
10.16 NOM.
(.400)
15.24 NOM.
(.600)
Fig. 2: HE751
L
HE700
Transfer Molded
External Shield
19.05 (.750)
20.14 (.793)
3.00 NOM.
(.118)
0.25 NOM.
(.010)
9.52
(.375)
Fig. 3: HE700 (All)
W
7.22 (.284)
7.62 (.300)
H
5.50 (.217)
5.82 (.229)
© 2017 Littelfuse Revised: 10/30/17
Specifications are subject to change without notice.
littelfuse.com




Littelfuse

HE721A2400 Datasheet Preview

HE721A2400 Datasheet

Miniature Dual In-line Reed Relay

No Preview Available !

Reed Relays
DIL Packaged > HE700
HE700 Miniature Dual In-line Reed Relay
Table 2: Electrical and Operating Characteristics @ 25°C
Column Number
1234
Contact Type
Relay Types
Form A
SPST, DPST
Standard
Form C
SPDT-CO
Standard
HE721, HE722 HE721C/E/R
Form A
SPST
High Voltage
HE751
Contact Rating 1
Power, Switching
Voltage, Switching
Current, Switching
Current, Carry
Watt - max.
10
5
10
Vdc - max.
200 175 300
A - max.
0.5 0.25 0.5
A - max.
1.2 1.5 1.2
Voltage Hold-off 4
Across Open Contacts
Contacts to Coil
Coil to E. Shield
Between Isolated Terminals
Vdc - min.
Vac - min.
Vac - min.
Vac - min.
250 200 450
500 500 4000
150 150 N/A
500 N/A N/A
Resistance 5
Contact, Initial
Insulation Across Open Contacts
Insulation Between Isolated
Terminals
Ω max.
Ω min.
Ω min.
0.150
1010
1010
0.200
1010
1010
0.150
1010
1010
Timing
Operate Time
Release Time
ms - max.
ms - max.
1.0 3.0 1.0
1.0 3.0 1.0
Environmental
Temperature, Operating
Temperature, Storage
Vibration Resistance
Shock Resistance
°C
°C
G - max. 10-2000 Hz.
G - max. 11 ms ½ sine
-40 to +85
-40 to +105
20
50
-40 to +85
-40 to +105
20
50
-20 to +85
-40 to +105
20
50
Form B
SPST-NC
Standard
HE721
10
200
0.5
1.5
250
500
N/A
N/A
0.150
1010
1010
1.0
1.0
-40 to +85
-40 to +105
20
50
Part Numbering System
HE7X - X - X - X - XX
Model Number
HE72 - Standard
HE75 - High Voltage
Number of Contacts
1 and 2
Contact Type
A - Form A (SPST-NO or DPST-NO)
B - Form B (SPST-NC)
C - Form C (SPDT-CO)
E - Form C (SPDT-CO) alternate foot print 1
R - Form C (SPDT-CO) alternate foot print 2
Note: Not all combinations of Part Number suffixes are available. Contact Littelfuse for details.
General Options
00 - No Options
10 - Coil Suppression Diode
20 - Electrostatic Shield
30 - Coil Diode and E.S. Shield
40 - External Magnetic Shield
50 - External Magnetic Shield and Diode
Standard Coil
05 - 5 Volt
12 - 12 Volt
24 - 24 Volt
© 2017 Littelfuse Revised: 10/30/17
Specifications are subject to change without notice.
littelfuse.com


Part Number HE721A2400
Description Miniature Dual In-line Reed Relay
Maker Littelfuse
Total Page 3 Pages
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