1
FTR-K1 SERIES
FEATURES
Slim type relay for high density mounting
Conforms to Telcordia specification and FCC Part 68
- Dielectric strength 1,500 VAC between coil and contacts
- Surge strength 2,500 V between coil and contacts
(at 2 × 10 s surge wave)
UL, CSA recognized
High sensitivity and low consumption power
High reliability - bifurcated contacts
DIL pitch terminals
Plastic sealed type
RoHS compliant.
Please see page 8 for more information
Note: Actual marking omits the hyphen ( - ) of (*).
MINIATURE RELAY
2 POLES - 1 to 2 A (For Signal Switching)
PARTNUMBER INFORMATION
NA L - D 12 W - K
[Example] (a) (b) (*) (c) (d) (e) (f)
NA Series
(a) Relay type NA : NA-Series
(b) Coil type Nil : Standard type
L : Latching type (1 coil)
(c) Number of coil Nil : Single winding type
D : Double winding type
(d) Coil rated voltage 12 : 1.5.....48 VDC
Coil rating table at page 3
(e) Contact W : Bifurcated type
(f) Enclosure K : Plastic sealed type
2
FTR-K1 SERIES
NA SERIES
SPECIFICATION
Item Standard type Single winding
latching type
Double winding
latching type
NA - ( ) W - K NAL - ( ) W - K NAL-D ( ) W - K
Contact Data 2 form C (DPDT)
Construction Bifurcated
Material Gold overlay silver alloy (AgPd)
Resistance (Initial) Max. 50 mΩ at 1 A, 6 VDC
Contact rating (resistive) 0.5A, 125VAC or 1A, 30VDC
Max. carrying current 2A
Max. switching voltage 250VAC / 220VDC
Max. switching power 62.5VA / 30W
Max. switching current 2A
Min. switching load * 0.01 mA, 10 mVDC
Capacitance (at 1kHz, reference) Approx. 0.5 pF (open contacts, adjacent contacts)
Approx. 1.0 pF (between coil and contacts)
Life Mechanical Min. 100 x 106
operations Min. 10 x 106 operations
Electrical Min. 200 x 103 operations (0.5A, 125VAC),
Min. 500 x 103 operations (1A, 30VDC)
Coil Data Rated power 140 - 300 mW 100 - 150 mW 200 - 300 mW
Applied pulse width min. 10ms
Operate power 80 - 70 mW 60 - 85 mW 115 - 170 mW
Operating temperature range -40 °C to +85 °C (no frost)
Timing Data Operate (at nominal voltage, without bounce) Max. 6 ms Max. 6 ms (set)
Release (at nominal voltage, without bounce) Max. 4 ms Max. 6 ms (reset)
Insulation Resistance (Initial) Min. 1,000MΩ at 500VDC
Dielectric strength
Open contacts /
adjacent contacts 1,000VAC (50/60Hz) 1min
Contacts to coil 1,500VAC (50/60Hz) 1min. 1,000VAC (50/60Hz)
1min
Surge strength
Open contacts /
adjacent contacts 1,500V / 10 x 700µs standard wave
Coil to contacts 2,500V / 2 x 10µs standard wave 1,500V / 10 x 160µs
standard wave
Other Vibration resistance Misoperation 10 to 55 to 10Hz single amplitude 1.65mm
Endurance 10 to 55 to 10Hz single amplitude 2.5mm
ShockMisoperation 500m/s² (11 ± 1ms)
Endurance 1,000m/s² (6 ± 1ms)
Weight Approximately 1.6 g
load before production since reference values may vary according to switching frequencies, environmental conditions
* Minimum switching loads mentioned above are reference values. Please perform the confirmation test with actual
and expected reliability levels.
3
FTR-K1 SERIES
COIL RATING
NA SERIES
Coil
Code
Rated Coil
Voltage
(VDC)
Coil Resistance
+/- 10% (Ohm)
Must Operate
Voltage
(VDC) *
Must Release
Voltage
(VDC) *
Rated Power
(mW)
1.5 1.5 16.1 +1.13 +0.15
140
3 3 64.3 +2.25 +0.3
4.5 4.5 145 +3.38 +0.45
5 5 178 +3.75 +0.5
6 6 257 +4.5 +0.6
9 9 579 +6.75 +0.9
12 12 1,028 +9 +1.2
18 18 1,620 +13.5 +1.8 200
24 24 2,880 +18 +2.4
48 48 7,680 +36 +4.8 300
Standard type
Single winding latching type
Coil
Code
Rated Coil
Voltage
(VDC)
Coil Resistance
+/- 10% (Ohm)
Set Voltage
(VDC) *
Reset
Voltage
(VDC) *
Rated Power
(mW)
1.5 1.5 22.5 +1.13 -1.13
100
3 3 90 +2.25 -2.25
4.5 4.5 203 +3.38 -3.38
5 5 250 +3.75 -3.75
6 6 360 +4.5 -4.5
9 9 810 +6.75 -6.75
12 12 1,440 +9 -9
18 18 2,160 +13.5 -13.5 150
24 24 3,840 +18 -18
Note: All values in the tables are valid for 20°C and zero contact current.
Please use at
* Specified operate values are valid for pulse wave voltage.
rated coil voltage. Please refer to characteristic data and set up adequate voltage in case of use at over voltage.
4
FTR-K1 SERIES
n COIL RATING
NA SERIES
Coil
Code
Rated Coil
Voltage
(VDC)
Coil Resistance
+/- 10% (Ohm)
Set Voltage
(VDC) *
Reset
Voltage
(VDC) *
Rated Power
(mW)
1.5 1.5 P 11.25 +1.13
200
S 11.25 +1.13
3 3 P 45 +2.25
S 45 +2.25
4.5 4.5 P 101 +3.38
S 101 +3.38
5 5 P 125 +3.75
S 125 +3.75
6 6 P 180 +4.5
S 180 +4.5
9 9 P 405 +6.75
S 405 +6.75
12 12 P 720 +9
S 720 +9
18 18 P 1,080 +13.5
300
S 1,080 +13.5
24 24 P 1,920 +18
S 1,920 +18
Double winding latching type
P: Primary coil S: Secondary coil
Type Compliance Contact rating
UL UL 508, UL 1950
E 45026
Flammability: UL 94-V0 (plastics)
0.5A, 125VAC (general use)
2A, 30VDC (resistive)
0.3A, 110VDC (resistive)CSA C22.2 No. 14, No. 950
LR 35579
n SAFETY STANDARDS
Note: All values in the table are measured at 20°C and zero contact current.
* Specied values are measured with pulse wave voltage
Please use at rated coil voltage. Please refer to characteristic data and set up adequate voltage in case of use at over voltage.
Complies to IEC60950-1; FCC part 68: Telcordia
(Relay is only marked with UL and CSA logo)
5
FTR-K1 SERIES
n CHARACTERISTIC DATA
NA SERIES
6
FTR-K1 SERIES
NA SERIES
7
FTR-K1 SERIES
DIMENSIONS
NA SERIES
NA (standard type)
NAL (single winding latching type)
Unit: mm
NAL-D (double winding latching type)
Dimensions PC board mounting
hole layout
(BOTTOM VIEW)
Schematics
(BOTTOM VIEW)
* Dimensions of the terminals do not include thickness of pre-solder.
* Dimensions do not include tolerances.
* Toleranes of PC board mounting hole layout: ±0.1 unless otherwise specified.
Dimensions PC board mounting
hole layout
(BOTTOM VIEW)
Schematics
(BOTTOM VIEW)
3.0
45.2 45.25.08 5.08
0.5 0.2
1 3
12 10
+(-)
-(+)
9 8
Orientation mark
4 5
(1.1) (1.16)
14.9
7.4
(1.1) 5.08 2.54 2.54
5.08(1.16)
8- φ0.8
15.2 max.
14.9 typ.
7.7 max.
7.4 typ.
10 max.
9.7 typ.
(-)
(+)+(-)
-(+)
3.0
2.54 2.54
2.545.08 5.08
0.5 0.2
(1.1) (1.16)
1
P S
3
12 10 9 8
Orientation mark
4 5
14.9
7.4
(1.1) 5.08 2.54 2.54 2.54
5.08(1.16)
10- φ0.8
* Contacts drawn in reset condition.
* +/-: set voltage applied polarity, (+)/(-):
reset voltage applied polarity.
* P: Set coil, S: Reset coil
15.2 max.
14.9 typ.
7.7 max.
7.4 typ.
10 max.
9.7 typ.
8
FTR-K1 SERIES
NA SERIES
1. General Information
l All relays produced by Fujitsu Components are compliant with RoHS directive 2011/65/EU including
amendments.
l Cadmium as used in electrical contacts is exempted from the RoHS directives.
As per Annex III of directive 2011/65/EU.
l All relays are lead-free. Please refer to Lead-Free Status Info for older date codes at:
http://www.fujitsu.com/downloads/MICRO/fcai/relays/lead-free-letter.pdf
l Lead free solder plating on relay terminals is Sn-3.0Ag-0.5Cu, unless otherwise specified.
This material has been verified to be compatible with PbSn assembly process.
2. Recommended Lead Free Solder Condition
l Recommended solder Sn-3.0Ag-0.5Cu.
RoHS Compliance and Lead Free Information
3. Moisture Sensitivity
l Moisture Sensitivity Level standard is not applicable to electromechanical relays, unless otherwise indicated.
4. Tin Whiskers
l Dipped SnAgCu solder is known as presenting a low risk to tin whisker development. No considerable length
whisker was found by our in house test.
We highly recommend that you conrm your actual solder conditions
Flow Solder Condition:
Pre-heating: maximum 120˚C
within 90 sec.
Soldering: dip within 5 sec. at
255˚C ± 5˚C solder bath
Relay must be cooled by air immediately
after soldering
Solder by Soldering Iron:
Soldering Iron 30-60W
Temperature: maximum 350-360˚C
Duration: maximum 3 sec.
9
FTR-K1 SERIES
NA SERIES
Japan Asia Pacific
FUJITSU COMPONENT LIMITED
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FUJITSU COMPONENTS KOREA LIMITED
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Bundang-gu, Seongnam-si, Gyeonggi-do,
13524 Korea
Tel: (82) 31-708-7108
Fax: (82) 31-709-7108
Email: fcal@sg.fujitsu.com
www.fujitsu.com/sg/products/devices/components/
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completeness thereof. Rev. July 9, 2019
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