LKS1aF-6V (Panasonic)
power relays

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250 mW
SLIM POWER RELAY
VDE LK-S
LK-S RELAYS
24.0
.945
11.0
.433
25.0
.984
mm inch
FEATURES
1. High sensitivity: 250mW
The power-saving relay is highly
sensitive at the nominal operating power
of 250 mW (530 mW power consumption
on LK relays).
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)
2) Surge withstand voltage between
contact and coil: 10,000 V or more
3. High noise immunity realized by the
card separation structure between
contact and coil
4. Popular terminal pitch in AV
equipment field
5. Space-saving slim type
Base area: Width 11 Length 24 mm
Width .433 Length .945 inch
6. Conforms to the various safety
standards
UL/CSA, VDE, TÜV and SEMKO SEV
approved
SPECIFICATIONS
Contact
Arrangement
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
Contact material
Nominal switching capacity
Rating
(resistive load)
Max. switching power
Max. switching voltage
Max. switching current
Min. switching capacity#1
Mechanical (at 180 cpm)
Expected life
(min. operations) Electrical (at 20 cpm)
(at rated load)
1 Form A
Max. 100 m
AgSnO2 type
5 A 277 V AC
1,385 V A
277 V AC
5 A (AC)
100 mA, 5 V DC
106
105
Coil
Nominal operating power
250 mW
#1 This value can change due to the switching frequency, environmental conditions,
and desired reliability level, therefore it is recommended to check this with the
actual load.
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 50s according to JEC-212-1981
*4 Excluding contact bounce time.
*5 Half-wave pulse of sine wave: 11 ms; detection time: 10 s
*6 Half-wave pulse of sine wave: 6 ms
*7 Detection time: 10 s
*8 Refer to “6. Usage, Storage and Transport Conditions“ in AMBIENT
ENVIRONMENT section in Relay Technical Information.
Characteristics
Max. operating speed
Initial insulation resistance*1
Initial *2
breakdown
voltage
Between open
contacts
Between contact and
coil
Initial surge voltage between contact
and coil*3
Operate time*4 (at nominal voltage)
Release time (without diode)*4
(at nominal voltage)
Temperature rise (at 70C)
Shock resistance
Functional*5
Destructive*6
Vibration resistance
Functional*7
Destructive
Conditions for operation,
transport and storage*8
(Not freezing and
condensing at low
temperature)
Unit weight
Ambient
temp.
Humidity
Air
pressure
20 cpm (at rated load)
Min. 1,000 M(at 500 V DC)
1,000 Vrms for 1 min.
4,000 Vrms for 1 min.
Min. 10,000 V
Max. 15 ms (at 20C 68F)
Max. 5 ms (at 20C 68F)
Max. 35C with nominal coil
voltage and at 5 A contact
carrying current
(resistance method)
Min. 200 m/s2{approx. 20 G}
Min. 1,000 m/s2{approx. 100 G}
10 to 55Hz
at double amplitude of 1.5mm
10 to 55Hz
at double amplitude of 1.5mm
–40C to +70C
–40F to +158F
5 to 85% R.H.
86 to 106 kPa
Approx. 12 g .42 oz
TYPICAL APPLICATIONS
• Audio visual equipment
• Office equipment
• Home appliances
ORDERING INFORMATION
Ex. LKS 1a
F
12V
Contact arrangement
Protective construction
Coil voltage(DC)
1a: 1 Form A
F: Flux-resistant type
5, 6, 9, 12, 18, 24V
UL/CSA, TÜV, SEMKO, TV-5 approved type is standard.
Notes 1. Standard packing Carton: 100 pcs. Case: 500 pcs.
2. 6 V, 18 V DC types are also available. Please consult us for details.
ds_61B13_en_lks: 100811J
1


LKS1aF-6V (Panasonic)
power relays

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LK-S
TYPES AND COIL DATA (at 20C 68F)
Part No.
LKS1aF-5V
LKS1aF-6V
LKS1aF-9V
LKS1aF-12V
LKS1aF-18V
LKS1aF-24V
Nominal
voltage,
V DC
5
6
9
12
18
24
Pick-up
voltage,
V DC (max.)
(Initial)
3.5
4.2
6.3
8.4
12.6
16.8
Drop-out
voltage,
V DC (min.)
(Initial)
0.5
0.6
0.9
1.2
1.8
2.4
Coil resistance,
(10%)
100
144
324
576
1,296
2,304
Nominal
operating
current,
mA (10%)
50
41.7
27.8
20.8
13.9
10.4
Nominal
operating power,
mW
Maximum
allowable
voltage,
V DC (at 20°C 68°F)
250 6.5
250 7.8
250 11.7
250 15.6
250 23.4
250 31.2
DIMENSIONS(mm inch)
Download CCAAD DDaattaa from our Web site.
CAD Data
0.5 dia.
.020 dia.
1.65
.065
0.3
.012
Max. 24.0
.945
16.5
.650
20.0
.787
REFERENCE DATA
1. Max. switching power (AC resistive load)
100
10
5
1
0 10 100
Contact voltage, V
Max. 25.0
.984
0.5
.020
4
.157
PC board pattern (Bottom view)
2-0.9 dia
2-.035 dia
16.5
.650
2-1.3 dia
2-.051 dia
7.5
.295
20.0
.787
Tolerance: 0.1 .004
0.4
.016
1.0
.039
7.5
.295
Max. 11.0
.433
Dimension:
General tolerance
Max. 1mm .039 inch:
0.1 .004
1 to 3mm .039 to .118 inch: 0.2 .008
Min. 3mm .118 inch:
0.3 .012
Schematic (Bottom view)
2. Coil temperature rise
Sample: LKS1aF-12V, 6 pcs.
Point measured: coil inside
Contact current: 0 A, 5A
30
25
20
20°C 5A
20°C 0A
70°C 5A
70°C 0A
15
10
5
00 80
100 120
Coil applied voltage, %V
3. Ambient temperature characteristics and coil
applied voltage
Contact current: 5 A
500
400
Allowable ambient temperatures
against % coil voltages
300
(max. inside the coil tem-
perature set as
115°C 239°F)
200
Cold start
100
Pick-up voltage
00 10 20 30 40 50 60 70 80
Ambient temperature, °C
2 ds_61B13_en_lks: 100811J


LKS1aF-6V (Panasonic)
power relays

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4. Life curve
Operation frequency: 20 times/min.
(ON/OFF = 1.5s: 1.5s)
Ambient temperature: Room temperature
100
250V AC resistive load
10
LK-S
1
01 2 34
Contact current, A
5-(1). Electrical life test
(5 A 277 V AC, resistive load)
Sample: LKS1aF-12V, 6 pcs.
Operation frequency: 20 times/min.
(ON/OFF = 1.5s: 1.5s)
Ambient temperature: 20C 68F
Circuit:
5
277V AC
12V DC
Contact
welding
detection
and Mis-
contacting
detection
circuit
Change of pick-up and drop-out voltage
12
10
Pick-up voltage
8 Max.
x
Min.
6
4
Drop-out voltage
2
Max.
x
Min.
00 5 10
No. of operations, ×104
Change of contact resistance
50
45
40
35
30
25
20
15
10
5
00 5
No. of operations, ×104
Max.
x
Min.
10
5-(2). Electrical life test
(UL lamp load test TV-5)
Tested sample: LKS1aF-12V, 6 pcs.
• Overload test
Load: 7.5 A 120 V AC (60 Hz),
Inrush: 111 A
Operation frequency: 10 times/min
(ON: OFF = 1 s: 5 s)
No. of operations: 50 ope.
• Endurance test
Load: 5A 120 V AC (60 Hz),
Inrush: 78 A
Operation frequency: 10 times/min
(ON: OFF = 1 s: 5 s)
No. of operations: 25,000 ope.
Change of pick-up and drop-out voltage
12
10
8
Pick-up voltage
Max.
x
Min.
6
4
Drop-out voltage
Max.
2x
Min.
00 2.5
No. of operations, ×104
Change of contact resistance
50
45
40
35
30
25
20
15 Max.
10 x
5 Min.
00 2.5
No. of operations, ×104
SAFETY STANDARDS
UL/C-UL (Recognized)
CSA (Certified)
VDE (Certified)
File No. Contact rating File No. Contact rating File No.
Contact rating
E43149
5A 277V AC
5A 30V DC
10A 277V AC
LR26550 5A 277V AC
etc. 5A 30V DC
10A 277V AC
4001439
0
5A 250V AC
(cos=1.0)
10A 250V AC
(cos=1.0)
TV rating (UL/CSA)
TÜV (Certified)
File No. Rating File No.
Rating
UL TV-5
E43149
CSA
LR26550
B 10 01 5A 250V AC
13461 (cos=1.0)
270
For Cautions for Use, see Relay Technical Information.
SEMKO (Certified)
File No. Contact rating
807779
3/100A 250V
AC
5/40A 250V AC
ds_61B13_en_lks: 100811J
3




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