■ FEATURES
●Extremely low profile and light weight
—Height: 5 mm
—Weight: approximately 1.2 g
●UL, CSA recognized
● Conforms to FCC rules and regulations part 68
—Surge strength 1,500 V
●High reliability—bifurcated contacts
● Wide operating range
● DIL pitch terminals
●Plastic sealed type
● Latching version available
(a) Series Name A : A Series
(b) Operation Function Nil : Standard type
L : Latching type
(c) Number of Coil Nil : Single winding type
D : Double winding type
(d) Nominal Voltage Refer to the COIL DATA CHART
(e) Contact W : Bifurcated type
(f) Enclosure K : Plastic sealed type
Note: Actual marking omits the hyphen (-) of (*)
■ SAFETY STANDARD AND FILE NUMBERS
UL478, 508 (File No. E45026)
C22.2 No. 14 (File No. LR35579)
■ ORDERING INFORMATION
A L – D 12 W – K
[Example] (a) (b) (*) (c) (d) (e) (f)
A SERIES
MINIATURE RELAY
2 POLES—1 to 2 A (FOR SIGNAL SWITCHING)
Nominal voltage Contact rating
0.5 A 125 VAC
1.5 to 48 VDC 2 A 30 VDC resistive
0.3 A 110 VDC
Only UL/CSA approval markings are marked on the cover.
1
2
A SERIES
■ SPECIFICATIONS
Standard Type
Single Winding Latching Type Double Winding Latching Type
Item A-( ) W-K AL-( ) W-K AL-D ( ) W-K
Contact Arrangement 2 form C (DPDT)
Material Gold overlay silver alloy
Resistance (initial) Maximum 50 mΩ (at 1 A 6 VDC)
Rating (resistive) 0.5 A 125 VAC or 1 A 30 VDC
Maximum Carrying Current 2 A
Maximum Switching Power 62.5 AV/30 W
Maximum Switching Voltage 250 VAC, 220 VDC
Maximum Switching Current 2 A
Minimum Switching Load*10.01 mA 10 mVDC
Capacitance Approximately 0.5 pF (between open contacts, adjacent contacts)
Approximately 1.0 pF (between coil and contacts)
Coil Nominal Power (at 20°C) 0.14 to 0.3 W 0.1 to 0.15 W 0.20 to 0.3 W
Operate Power (at 20°C) 0.08 to 0.17 W 0.06 to 0.85 W 0.15 to 0.17 W
Operating Temperature –40°C to +85°C (no frost) (refer to the CHARACTERISTIC DATA)
Time Value Operate (at nominal voltage) Maximum 6 ms Maximum 6 ms (set)
Release (at nominal voltage) Maximum 4 ms Maximum 6 ms (reset)
Insulation Resistance (at 500 VDC) Minimum 1,000 MΩ
between open contacts
1,000 VAC 1 minute
Dielectric
between adjacent contacts
1,000 VAC 1 minute
Strength
between coil and contacts
1,000 VAC 1 minute
Surge Strength 1,500 V (between coil and contacts)
Life Mechanical 1 × 108 operations minimum 1 × 107 operations minimum
Electrical 2 × 105 ops. min. (0.5 A 125 VAC), 5 × 105 ops. min. (1 A 30 VDC)
Other Vibration Misoperation 10 to 55 Hz (double amplitude of 3.3 mm)
Resistance Endurance 10 to 55 Hz (double amplitude of 5.0 mm)
Shock Misoperation 500 m/s2 (11 ±1 ms)
Resistance Endurance 1,000 m/s2 ( 6 ±1 ms)
Weight Approximately 1.2 g
*1 Minimum switching loads mentioned above are reference values. Please perform the confirmation test with the actual
load before production since reference values may vary according to switching frequencies, environmental conditions
and expected reliability levels.
3
A SERIES
Nominal Coil resistance Must operate Must release Nominal
MODEL voltage (±10%) voltage*1voltage*1power
A-1.5W-K 1.5 VDC 16.1Ω+1.05 VDC +0.15 VDC 140 mW
A- 3 W-K 3 VDC 64.3Ω +2.1 VDC +0.3 VDC 140 mW
A-4.5W-K 4.5 VDC 145Ω+3.15 VDC +0.45 VDC 140 mW
A- 5 W-K 5 VDC 178Ω +3.5 VDC +0.5 VDC 140 mW
A- 6 W-K 6 VDC 257Ω +4.2 VDC +0.6 VDC 140 mW
A- 9 W-K 9 VDC 579Ω +6.3 VDC +0.9 VDC 140 mW
A-12 W-K 12 VDC 1,028Ω +8.4 VDC +1.2 VDC 140 mW
A-18 W-K 18 VDC 1,620Ω+12.6 VDC +1.8 VDC 200 mW
A-24 W-K 24 VDC 2,880Ω+16.8 VDC +2.4 VDC 200 mW
A-48 W-K 48 VDC 7,680Ω+33.6 VDC +4.8 VDC 300 mW
■ COIL DATA CHART
Standard Type
Nominal Coil resistance Set Reset Nominal
MODEL voltage (±10%) voltage*1voltage*1power
AL-1.5W-K 1.5 VDC 22.5Ω+1.05 VDC -1.05 VDC 100 mW
AL- 3 W-K 3 VDC 90Ω+2.1 VDC -2.1 VDC 100 mW
AL-4.5W-K 4.5 VDC 203Ω+3.15 VDC -3.15 VDC 100 mW
AL- 5 W-K 5 VDC 250Ω+3.5 VDC -3.5 VDC 100 mW
AL- 6 W-K 6 VDC 360Ω+4.2 VDC -4.2 VDC 100 mW
AL- 9 W-K 9 VDC 810Ω+6.3 VDC -6.3 VDC 100 mW
AL-12 W-K 12 VDC 1,440Ω+8.4 VDC -8.4 VDC 100 mW
AL-18 W-K 18 VDC 2,160Ω+12.6 VDC -12.6 VDC 150 mW
AL-24 W-K 24 VDC 3,840Ω+16.8 VDC -16.8 VDC 150 mW
AL-D1.5W-K 1.5 VDC P 11.25Ω+1.05 VDC 200 mW
S 11.25Ω+1.05 VDC
AL-D 3 W-K 3 VDC P 45Ω+2.1 VDC 200 mW
S 45Ω+2.1 VDC
AL-D4.5W-K 4.5 VDC P 101 Ω+3.15 VDC 200 mW
S 101Ω+3.15 VDC
AL-D 5 W-K 5 VDC P 125 Ω+3.5 VDC 200 mW
S 125Ω+3.5 VDC
AL-D 6 W-K 6 VDC P 180 Ω+4.2 VDC 200 mW
S 180Ω+4.2 VDC
AL-D 9 W-K 9 VDC P 405 Ω+6.3 VDC 200 mW
S 405Ω+6.3 VDC
AL-D12 W-K 12 VDC P 720Ω+8.4 VDC 200 mW
S 720Ω+8.4 VDC
AL-D18 W-K 18 VDC P 1,080Ω+12.6 VDC 300 mW
S 1,080Ω+12.6 VDC
AL-D24 W-K 24 VDC P 1,920Ω+16.8 VDC 300 mW
S 1,920Ω+16.8 VDC
Single Winding Latching Type
Double Winding Latching Type
P: Primary coil S: Secondary coil
Note: *1 Specified values are subject to pulse wave voltage.
All values in the table are measured at 20°C.
Note: *1 Specified values are subject to pulse wave voltage.
All values in the table are measured at 20°C.
4
A SERIES
■ CHARACTERISTIC DATA
■ REFERENCE DATA
0.1 0.3 0.5
5
A SERIES
6
A SERIES
■ DIMENSIONS
●Dimensions ●Schematics
(Bottom View) ●PC board mounting
hole layout
(Bottom View)
A, AL type (Non-latching type, single winding latching type)
AL-D type (Double winding latching type)
Unit: mm
© 2002 Fujitsu Components America, Inc. All company and product names are trademarks or registered trademarks
of their respective owners. Rev. 03/2002
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