Reed Switches
Reed Relays
Selection Guide
Application Notes
4-Pin-DIP-DF
PB-PC
M-L-W
SIP-DG
SIP-DH
SIP-SD
SIP-SG
Z
Passive Infrared Detectors
Photoelectric Beams
Opto Sensors
Proximity Sensors
Automotive Sensors
Level Sensors
Flow Sensors
Magnetic Contacts
Video
Aleph SIP/SD Series Reed Relay
Industry standard footprint
High power contacts on some models
UL models available
C o il R atin g s
Part Number
Nominal
Voltage
(VDC)
Coil
Resistance
(ohms) ±10%
Operate
Voltage
(VDC) max.
Release
Voltage
(VDC) min. Schematics
SD1A**AWJ
SD1A**CWJ
5
12
24
500
500
2000
3.8
9.0
18.0
0.5
1.0
2.0
SD1A**DWJ
5
12
24
500
500
2000
3.8
9.0
18.0
0.5
1.0
2.0
SD1C**FWN
5
12
24
200
500
2000
3.8
9.0
18.0
0.5
1.0
2.0
TAMB. = +20°C
(M.S.) : Magnetic Shield
C o n ta ct R a tin g s
Parameters SD1A**AWJ SD1A**CWJ SD1A**DWJ SD1C**FWN
Power (W) max. 10 50 25 3
Voltage (VDC) max. 200 200 1000 100
Switching Current (A) max. 0.5 1.0 1.0 0.25
Carry Current (A) max. 1.0 2.0 2.0 0.5
Contact Resistance (ohms) max. (initial) 0.2 0.2 0.2 0.2
Breakdown Voltage (VDC)
min.
Open
Contact 250 300 1500 200
Contact to
Coil 1500 1500 1500 1500
Insulation Resistance
(ohms) min.
Open
Contact 1010 1010 1010 108
Contact to
Coil 1010 1010 1010 1010
Operate Time (mS) max (incl. bounce) 1.0 1.0 1.0 2.0
Release Time (mS) max. 0.5 0.5 0.5 2.5
Electrical Life
Low Level 108 (10mVDC,
10µA) 5 X 106 (10VDC,
4mA)
Rated
Load
6 X 105 (20VDC,
0.5A)
5 X 105 (200VDC,
0.25A)
2 X 106 (1000VDC,
10mA)
2 X 106 (12VDC,
0.25A)
(resistive loads)
D im e n s io n s
SD1A SD1C
SD1A - With Electrostatic Shield
Aleph is a leading manufacturer of Opto Sensors (interrupter,
reflective and actuator type), Magneto Resistive, Inductive,
Thermal (reed switch), Magnetic Proximity (reed switch) and
Deceleration/Crash type sensors.
Our security products are considered some of the best in the
world. We manufacture and distribute Passive Infrared
Detectors, Photoelectric Beams and Magnetic Contacts.
Aleph America
4700 Aircenter Circle
Reno, NV 89502
775-827-8000
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