Printed Circuit Board Relays, R74 Series

Features Compact, with Low 5mm (.197") Profile Low Power Consumption (140mW) Standard Pin Spacing (0.1") PC Board Mount Surface Mount ("SM" Suffix)

Electrical Characteristics Contact
Rating: 1 Amp
Material: Ag (Au clad)
Resistance: 50 milliohms (Standard), 60 milliohms (Surface Mount)

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 Values:
             Operate Time: 3mS max
             Release Time: 2mS max

Insulation Characteristics
Dielectric Strength:
             Between Contact & Coil: 1000 VAC
             Between Contacts (Same Polarity): 1000 VAC
             Between Contacts (Different Polarity): 750 VAC
             Insulation Resistance: 1000 megohms

Environmental Characteristics
Operating: -40°C to +70°C (Standard)
                      -40°C to +85°C (Surface Mount)

Life
Mechanical: 36,000 operations/hour
Electrical: 1,800 operations/hour (under rated load)

Weight
Std: 0.05 ozs. (1.5 grams) - approx

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Dimensional Drawings D52
D53 Contact Arrangment

DPDT, 2 Form "C" (Bottom View)

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Part Numbers

DC OPERATED
NTE Type No.	Nom. Volt.	Contact Arr.	Coil Res. ±10% Ohms (Typ)	Approx. Nom. Power	Max. Contact Cur, @ 30VDC	Diag. No.
R74-11D1-3	3VDC	DPDT	64.3	140mW	1A	D52
R74-11D1-3SM	3VDC	DPDT	64.3	140mW	1A	D53
R74-11D1-5	5VDC	DPDT	178	140mW	1A	D52
R74-11D1-5SM	5VDC	DPDT	178	140mW	1A	D53
R74-11D1-6	6VDC	DPDT	257	140mW	1A	D52
R74-11D1-6SM	6VDC	DPDT	257	140mW	1A	D53
R74-11D1-12	12VDC	DPDT	1028	140mW	1A	D52
R74-11D1-12SM	12VDC	DPDT	1028	140mW	1A	D53
R74-11D1-24	24VDC	DPDT	2880	140mW	1A	D52
R74-11D1-24SM	24VDC	DPDT	2880	140mW	1A	D53

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