40 NTE Electronics, Inc. Voice (973) 748−5089 FAX (973) 748−6224 http://www.nteinc.com
PC Mount Relays
R73 Series
Features
Small Size
Epoxy Sealed
Standard Pin Spacing (0.1”)
PC Board Mount
*
.500 (12.7)
.300
(7.62) .047 (1.2) Dia
5 Holes
.200
(5.08)
Mounting Holes
(Bottom View)
.200
(5.08)
* Pin is omitted on SPST−NO devices
SPST−NO, 1 Form “A” SPDT, 1 Form “C”
DC OPERATED
NTE Type No.
Nom.
Volt.
Contact
Arr.
Coil
Res.
10%
Ohms
(Typ)
Approx.
Nom.
Power
Max.
Contact
Cur. @
28VDC
or 120VAC
Diag
No.
R73−1D10−3 3VDC SPST−NO 20 450mW 10A D49
R73−1D10−5/6 6VDC SPST−NO 80 450mW 10A D49
R73−1D10−12 12VDC SPST−NO 320 450mW 10A D49
R73−1D10−24 24VDC SPST−NO 1280 450mW 10A D49
R73−5D10−3 3VDC SPDT 20 450mW 10A D49
R73−5D10−5/6 6VDC SPDT 80 450mW 10A D49
R73−5D10−12 12VDC SPDT 320 450mW 10A D49
R73−5D10−24 24VDC SPDT 1280 450mW 10A D49
R73−5D10−48 48VDC SPDT 3800 450mW 10A D49
Subminiature, PC Mount, 10 Amp,
SPST−NO & SPDT Relay, for Security
and Telecommunication Equipment.
.200
(5.08)
D49
.878 (22.3) Max .680 (17.3) Max
.083
(2.1)
.500
(12.7)
.200
(5.08)
.079
(2.0)
.300
(7.62)
.019
(0.5)
.138 (3.5)
.570
(14.5)
Max
Electrical Specifications
Contact
Rating: 10 Amp @ 120VAC/28VDC
Material: Silver cadmium oxide
Resistance: 0.06 (At Nominal Conditions)
Coil
Coil Voltages: See Chart
Pick−up Voltages: 75% max of rated voltage
Drop−out Voltages: 10% min of rated voltage
Resistance: See Chart
Operational Characteristics
Timing Value: Operate Time: 5 mS max.....
Release Time: 10 mS max
Insulation Characteristics
Dielectric Strength
Between Contact and Coil: 1500 VAC
Between Contacts: 750 VAC
Insulation Resistance: 100M
Environmental Characteristics
Operating: −55 C to +85 C
Life
Mechanical: 100,000 operations
Electrical: 10,000,000 operations
Weight
Std: 0.39 oz (11 grams) approx.
