Reed Relay Datasheet
HE3600
Miniature Single In-line Reed Relay
Description
The HE3600 is a miniature reed relay in a SIL package with a
normally open contacts capable of switching up to 200Vdc at 10W.
It is available with 5V, 12V, and 24V coils and has external
magnetic shield and diode suppressed coil options.
Features & Benefits
■ Sub-miniature size and single
in line configuration allows
very high packing densities,
minimizing space and cost
■ Transfer molded package
gives maximum component
protection
■ Lower power coil
consumption than competing
electromechanical devices
Agency Approvals
Agency
■ Hermetically sealed switching
contact is immune to the
effects of its environment
Agency File Number
E47258
HE3600
L
W
H
Transfer Molded
19.05 (.750)
5.08 (.200)
7.45 (.293)
External Shield
19.70 (.776)
5.65 (.222)
7.87 (.310)
19.70
(.776)
0.51
(0.020)
■ RoHS Compliant
■ External magnetic shield
option
■ Diode suppression option
■ UL Recognized to UL 508 as
an Industrial Control Switch
Applications
Dimensions
Dimensions in mm (inch)
Body Type
■ Normally open contact
version
■ Miniature single in-line
package
Note: Not all parts are UL Recognized. Contact Littelfuse for specific parts and agency approval ratings.
Relay Type
■ Optional coil suppression
diode to protect coil drive
circuits
■ Security Systems
■ Automatic Test Equipment
■ Telecom Equipment
■ Instrumentation
■ Process Control Systems
W
H
0.51 NOM.
(0.020)
3 Pitches of
5.08 NOM.
(.200)
3.00NOM.
(.118)
0.25 NOM.
(.010)
1
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.12/16/20
Reed Relay Datasheet
HE3600
Miniature Single In-line Reed Relay
Table 2
Electrical and Operating Characteristics @ 25°C
Contact Type
Form A SPST-NO
Standard
Relay Type
Characteristics
HE3621A
Power, Switching
Current, Carry
Watt - Max.
Vdc - Max.
Vac - Max
Adc - Max.
Aac - Max.
Adc - Max.
10
200
140
0.5
0.35
1.2
Across Open Contacts
Contacts to Coil
Between Isolated Terminals
Contact, Initial
Insulation Across Open Contacts
Insulation Between Isolated Terminals
Operate Time
Release Time
Temperature, Operating
Temperature, Storage5
Vibration Resistance
Shock Resistance
Vdc - Min.
Vac - Min.
Vac - Min.
Ω Max.
Ω Min.
Ω Min.
ms - Max.
ms - Max.
°C
°C
G - Max. 10-2000 Hz.
G - Max. 11 ms ½ sine
250
1500
1500
0.150
1010
1010
1.0
1.0
-40 to +85
-40 to +105
20
50
Voltage, Switching²
Contact Rating1
Current, Switching3
Voltage Hold-off4
Resistance
Timing
Environmental
Notes:
1. Contact rating - Product of the switching voltage and current should never exceed the wattage rating. Contact Littelfuse for additional load/lofe information.
2. When switching inductive and/or capacitive loads, the effects of transient voltages and/or currents should be considered. Refer to Application Notes AN108A & AN107 for details.
3. Electrical Load Life Expectancy - Contact Littelfuse with voltage current values along with type of load.
4. Breakdown Voltage - Per MIL-STD-202, Method 301.
5. Storage Temperature - Long time exposure at elevated temperature may degrade solderability of the leads.
Table 3
Coil Characteristics @ 25°C
Contact
Form
&
Type
1A
SPST-NO
Electrical
&
Operating
Characteristics
See Table 2
Dimensions
Part
Number
Nominal
Coil
Voltage
Vdc
Coil
Resistance
±10%
Ohms
Must
Operate
Vdc
Must
Release
Vdc
Maximum
Coil
Voltage
Vdc
See Table 1
HE3621A0500
HE3621A1200
HE3621A2400
5
12
24
500
1000
2150
3.75
8.0
16.0
0.5
1.0
2.0
14
22
31
2
Top View 2.54mm (0.1")
Grid Dot on Case:
Pin 1 Numbers not
printed on case.
1
2
3
4
+
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.12/16/20
Reed Relay Datasheet
HE3600
Miniature Single In-line Reed Relay
HE3600 PCB Layout
(Bottom View)
Part Numbering System
HE3600 - X - XX - XX
Ø0.80
(.032) Hole
5.08 TYP
(.200)
Model Number
HE3621 - Standard
10.16
(.400)
Contact Type
A - Form A (SPST-NO)
15.24
(.600)
Standard Coil
05 - 5 Volt
12 - 12 Volt
24 - 24 Volt
General Options
00 - No Options
10 - Diode Suppressed Coil
40 - External Magnetic Shield
50 - Ext. Magnetic Shield & Diode
Note: Not all combinations of Part Number suffixes are available. Contact Littelfuse for details.
Packaging
Packaging Option
Bulk
Packaging Specification
Bulk
Quantity
Quantity & Packaging Code
5367/5600
N/A
Taping Width
N/A
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own
applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at http://www.littelfuse.com/disclaimer-electronics.
3
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.12/16/20
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