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Features
• Small Size
• Epoxy Sealed
• Standard Pin Spacing (0.1”)
• PC Board Mount
SPST−NO, 1 Form “A”
SPDT, 1 Form “C”
R73 Series
Subminiature, PC Mount, 10 Amp,
SPST−NO & SPDT Relay, for Security
and Telecommunication Equipment.
D49
.878 (22.3) Max .680 (17.3) Max
.570
(14.5)
.019
(0.5)
Max
.138 (3.5)
Mounting Holes
(Bottom View)
.200
(5.08)
.300
(7.62)
.047 (1.2) Dia
NTE Type 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 610mW 10A D49
Nom.
Volt.
*
5 Holes
.200
(5.08)
.500 (12.7)
DC OPERATED
Contact
Arr.
* Pin is omited on SPST−NO devices
Coil
Res.
±10%
Ohms
(Typ)
Approx.
Nom.
Power
Max.
Contact
Cur. @
28VDC
or 120VAC
Diag
No.
.083
(2.1)
.500
(12.7)
.200
(5.08)
.079
(2.0)
Electrical Specifications
Contact
Rating: 10 Amp @ 120VAC/28VDC
Material: Silver cadmium oxide
Resistance: 0.06Ω (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. . . . .
Insulation Characteristics
Dielectric Strength
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.
Release Time: 10 mS max
Between Contact and Coil: 1500 VAC
Between Contacts: 750 VAC
Insulation Resistance: 100MΩ
.300
(7.62)
.200
(5.08)
NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com
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