NAIS LK1aF-5V, LK1aF-12V, LK1aF-24V, LK1aF-9V Datasheet

Creepage distance and clear­ances in compliance with IEC65

Card

Partition wall

VDE

SLIM POWER RELAY WITH
HIGH INRUSH CURRENT

LK-RELAYS

CAPABILITY

2. High insulation resistance between
contact and coil

1) Creepage distance and clearances
between contact and coil: Min. 6 mm .236

inch (In compliance with IEC65)

24.0

.945

11.0

.433

25.0

.984

2) Surge withstand voltage between con­tact and coil: 10,000 V or more

3. High noise immunity realized by the
card separation structure between

mm inch

contact and coil

4. Popular terminal pitch in AV equip­ment field

FEATURES

1. High inrush current capability

1) Operating load capability:
inrush 100 A, steady 5 A

2) UL/CSA, TV-5

COM

Coil

SPECIFICATIONS

Contact

Arrangement 1 Form A
Initial contact resistance, max.

(By voltage drop 6 V DC 1 A)
Contact material Silver alloy

Nominal switching capacity 5 A 277 V AC, 5 A 30 V DC
Rating
(resistive
load)

Max. switching power 1,385 VA, 150 W

Max. switching voltage 277 V AC, 30 V DC

Max. switching current 5A (AC), 5 A (DC)
Expected

life (min.
ope.)

Mechanical (at 180 cpm) 2 × 10

Electrical (at 20 cpm)

(at rated load)

Coil

Nominal operating power 530 mW

Remarks

* Specifications will vary with foreign standards certification ratings.

1

Measurement at same location as "Initial breakdown voltage" section.

*

2

*

Detection current: 10mA

3

*

Wave is standard shock voltage of ± 1.2 × 50 µ s according to JEC-212-1981

4

Excluding contact bounce time.

*

5

*

Half-wave pulse of sine wave: 11 ms; detection time: 10 µ s

6

Half-wave pulse of sine wave: 6 ms

*

7

*

Detection time: 10 µ s

8

Refer to 5. Conditions for operation, transport and storage mentioned in

*

AMBIENT ENVIRONMENT (Page 24).

Max. 100 m Ω

6

5

10

N.O.

5. Space-saving slim type

Base area: Width 11 × Length 24 mm

Width .433 × Length .945 inch

6. Conforms to the v arious safety stan-

7.5

dards

UL, CSA, VDE, TÜV, SEMKO, SEV, BSI
approved

16.5

.650

.787

mm inch

1

.039

.295

20

.039

1

Characteristics

Max. operating speed 20 cpm
Initial insulation resistance*
Initial

breakdown
voltage*

Initial surge voltage between con­tact and coil*

Operate time*

Between open contacts
Between contacts and coil

2

3

4

(at nominal voltage) Approx. 7 ms (at 20 ° C 68 ° F)

Release time (without diode)*

1

4

(at nominal voltage)

Temperature rise (at 70 ° C)

Shock
resistance

Vibration
resistance

Functional*
Destructive*

Functional*

Destructive

Conditions for operation,
transport and storage*
(Not freezing and condens­ing at low temperature)

5

6

7

Ambient temp.

8

Humidity 5 to 85%R.H.
Air pressure 86 to 106 kPa

Unit weight Approx. 12 g .42 oz

Min. 1,000 M Ω (at 500 V DC)

1,000 Vrms for 1 min
4,000 Vrms for 1 min

Min. 10,000 V

Approx. 2 ms (at 20 ° C 68 ° F)

Max. 35 ° C with nominal coil voltage

at 5A contact carrying current

(resistance method)

Min. 200 m/s

Min. 1,000 m/s

10 to 55 Hz

at double amplitude of 1.5 mm

10 to 55 Hz

at double amplitude of 1.5 mm

–40 to +70 ° C -40 to +158 ° F

2

2

TYPICAL APPLICATIONS

• AV equipment: TV’s, VTR’s, etc.

• OA equipment

• HA equipment

ORDERING INFORMATION

Ex. LK 1a F — 24V

Contact arrangement

1a: 1 Form A F: Flux-resistant type 5, 9, 12, 24 V

UL/CSA, TÜV, SEMKO, TV-5 approved type is standard.
(Note) Standard packing Carton: 100 pcs. Case: 500 pcs.

Protective construction Coil voltage (DC)

59

2-0.9 dia

2-.035 dia

2-1.3 dia

2-.051 dia

16.5

.650

7.5

.295

20.0

.787

Ω ( ±

±

±

LK

TYPES AND COIL DATA (at 20 ° C 68 ° F)

Part No.

voltage,

V DC
LK1aF-5V 5 3.5 0.5 47 106.4 530 6.5
LK1aF-9V 9 6.3 0.9 153 58.8 530 11.7
LK1aF-12V 12 8.4 1.2 272 44.2 530 15.6
LK1aF-24V 24 16.8 2.4 1,087 22.1 530 31.2

DIMENSIONS

Nominal

Pick-up voltage

V DC (max.)

(Initial)

Drop-out voltage

V DC (min.)

(Initial)

0.5 dia.

.020 dia. .012

1.65

.065

Max. 24

0.3

.945

Coil resistance,

10%)

Max. 25

.984

0.5

.020

4

.157

0.4

.016

Nominal operat-

ing current, mA

( ± 10%)

Max. 11

.433

Nominal

Max. allowable

operating power ,

mW

V DC (at 20°C 68°F)

PC board pattern (Copper-side view)

Tolerance ± 0.1 ± .004

Schematic (Bottom view)

voltage,

mm inch

16.5

.650

Dimension : General tolerance
Max. 1mm .039 inch:
1 to 3mm .039 to .118 inch: ± 0.2 ± .008
Min. 3mm .118 inch:

0.1 ± .004

0.3 ± .012

20

.787

REFERENCE DATA

1. Max. switching power (AC resistive load) 2. Coil temperature rise

10

1

Contact current, A

0.1

0.1

1 10 100 1000

Contact voltage, V

4. Life curve

Operation frequency: 20 times/min.
(ON/OFF = 1.5s: 1.5s)
Ambient temperature: room temperature

100

250V AC resistive load

102345

Contact current, A

60

4

10

Life, ×10

1

Sample: LK1aF-12V, 6 pcs.
Point measured: coil inside
Contact current: 5 A

50

Ambient temperature
30°C

40

30

Temperature rise, °C

20

10

0

5-1. Operate & release time (without diode)

Sample: LK1aF-12V, 20 pcs.

15

10

5

Operate & release time, ms

0

1

.039

7.5

.295

1

.039

Ambient temperature
70°C

120

110

100

90

80

Coil applied voltage, %V

Operate time
Release time

70 100 130

Coil applied voltage, %V

Max.
Min.

Max.
Min.

3. Ambient temperature characteristics

Contact current: 5 A

200

180

160

140

120

Coil applied voltage, %V

100

80

60

Allowable ambient temperatures
against % coil voltages
(max. inside the coil tem­ perature set as
115°C 239°F)

Pick-up voltage

20 30 40 50 60 70 80

10

Ambient temperature, °C

Cold start

5-2. Operate & release time (with diode)

Sample: LK1aF-12V, 20 pcs.

15

10

5

Operate & release time, ms

0

70 100 130

Coil applied voltage, %V

Operate time
Release time

Max.

Min.

Max.
Min.