Miniature Automotive PCB Relay

Model:NT78

◉ 20A switching capability
◉ Fully automated assembly
◉ Plastic sealed and flux proofed types available
◉ RoHS Compliant

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Product Description

20A switching capability

Fully automated assembly
Plastic sealed and flux proofed types available
RoHs Compliant

Small size, light weight.

Low coil consumption.
PC board mounting.
Suitable for household electrical appliances, automation system, electronic equipment, instrument, meter,telecommunication facilities and remote control facilities.

Ordering Information

1 Part number NT78
2 Contact arrangement: A:1A; B:1B; C:1C
3 Enclosure: S:Wash tight NIL:Flux proof

4 Coil power: 0.6:0.6W; 0.8:0.8W
5 Coil rated voltage: (V) DC:6,9,12,24

Contact Data

Contact Arrangement		1A(SPSTNO) 1B(SPSTNC) 1C(SPDT(B-M))
Contact Material		AgSnO₂
Contact Rating (Resistive		NO:20A/14VDC 10A/120VAC.5A/250VACIA.qnA/d/lx/nnNC: 15A/14VDC, 10A/120VAC,5A/250VACIA dUA/14VUG
		Motor Load :1/2HP 125VAC
		TV-5
Max. Switching Power		420W 1250VA
Max. Switching Voltage		30VDC 277vAe	Max. Switching Current:30A
Voltage Dro	p(lnitial)	Typ. 50mV(at10A)	Item 4.12 of IEC 61810-7
Operational Life	Electrical	1X10⁵	Item 4.30 of IEC 61810-7
	Mechanical	1X10⁷	Item 4.31 of IEC 61810-7

CAUTION: 1.For the intermediate current, it only applies to the room temperature.

Coil Parameter

Dash numbers	Coil voltage VDC		Coil resistance Ω±10%	Pick-up voltage VDC(max) (80%of rated voltage )	Drop-out voltage VDC(min) (5% of rated voltage)	Coil power W	Operate time ms	Release time ms
Dash numbers	Rated	Max.	Coil resistance Ω±10%	Pick-up voltage VDC(max) (80%of rated voltage )	Drop-out voltage VDC(min) (5% of rated voltage)	Coil power W	Operate time ms	Release time ms
006-600	6	6.6	60	4.8	0.30	0.6	≤10	≤5
009-600	9	9.9	135	7.2	0.45
012-600	12	13.2	240	9.6	0.60
024-600	24	26.4	960	19.2	1.20
006-800	6	6.6	45	4.8	0.30	0.8	≤10	≤5
009-800	9	9.9	102	7.2	0.45
012-800	12	13.2	180	9.6	0.60
024-800	24	26.4	720	19.2	1.20

CAUTION:

1.The use of any coil voltage less than the rated coil voltage will compromise the operation of the relay.
2.Pickup and release voltage are for test purposes only and are not to be used as design criteria.

Characteristics

Insulation Resistance	100MQ min (at 500VDC)	Item 4.11 of IEC61810-7
Dielectric Strength Between Contacts Between Contact andCoil	50Hz 500V 50Hz 500V	Item 4.9 of IEC 61810-7 Item 4.9 of IEC 61810-7
Shock Resistance	98m/s² 11ms	Item 4.26 of IEC 61810-7
Vibration Resistance	10Hz-55Hz Double amplitude 1.5mm	Item 4.28 of IEC 61810-7
TerminalsStrength	10N	Item 4.24 of IEC 61810-7
Ambient Temperature	-40℃~85℃
Relative Humidity	5%to85%	Item 4.16 of IEC 61810-7
Mass	6g	Item 4.7 of IEC 61810-7

Safety Approvals

Safety approval

UL&CUR

Load

NO：20A/14VDC 10A/120VAC

NC：10A/14VDC

1/2HP 125VAC TV-5

Dimensions

CAUTION: In case of no tolerance shown in outline dimension: outline dimension 1mm tolerance should be 0.2mm outline dimension >1mm and 5mm, tolerance should be 0.3mm; outline dimension >5mm, tolerance should be 0.4mm.