■ FEATURES
●Slim type relay for high density mounting
●CSA recognized
●Conforms to IEC60950, Bellcore specification and FCC
Part 68
—Clearance more than 2.0 mm between coil and contacts
—Creepage more than 2.5 mm between coil and contacts
—
Dielectric strength 2,000 VAC between coil and contacts
—Surge strength 3,000 V between coil and contacts (at 2 ×
10 µs surge wave)
●High sensitivity and low consumption power
●Latching type available
●High reliability—bifurcated contacts
●Plastic sealed type
●Conforms to UL (under approval)
●SMT is available: BAS
(a) Series Name BA : BA 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
(g) Enclosure K : Plastic sealed type
■ ORDERING INFORMATION
BA L – D 12 W K
[Example] (a) (b) (*) (c) (d) (e) (g)
Note: Actual marking omits the hyphen (-) of (*)
■ SAFETY STANDARD AND FILE NUMBERS
CSA CERTIFIED NRTL/C to C22.2 No. 14 No. 950 (File No. LR35579), UL 508, 1950 (File No. E45026)
Relay type Nominal voltage Contact rating
BA 0.5 A 125 VAC
BAL 1.5 to 48 VDC 2 A 30 VDC resistive
BALD 0.3 A 1 10 VDC
1
BA SERIES
MINIATURE RELAY
2 POLES—1 to 2 A (FOR SIGNAL SWITCHING)
2
BA SERIES
Standard
Single Winding Double Winding
Latching Type Latching
Item BA-( ) W-K BAL-( ) W-K BAL-D ( ) W-K
Contact Arrangement 2 form C (DPDT)
Material Gold overlay silver alloy
Style Bifurcated
Resistance (initial) (at 1 A 6 VDC)
Maximum 50 mΩ
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) 0.25 to 0.36 W 0.2 W 0.36 W
Operate Power (at 20°C) 0.14 to 0.2 W 0.15 W 0.205 W
Operating Temperature –40°C to +70°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
Strength
between coil and contacts
2,000 VAC 1 minute
1,000 VAC 1 minute
Surge Strength 3,000 V (at 2 × 10 µs)
1,500 V (at 10 × 160 µs)
Life Mechanical 1 × 107 operations minimum
Electrical 2 × 105 operations minimum (0.5 A 125 VAC)
5 × 105 operations minimum (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 1.9 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.
■ SPECIFICATIONS
3
BA SERIES
Nominal Coil resistance Must operate Must release Nominal
MODEL voltage (±10%) voltage*1voltage*1power
BA-1.5 W-K 1.5 VDC 9 Ω +1.13 VDC +0.15 VDC 250 mW
BA- 3 W-K 3 VDC 36 Ω +2.25 VDC +0.3 VDC 250 mW
BA-4.5 W-K 4.5 VDC 81 Ω +3.38 VDC +0.45 VDC 250 mW
BA- 5 W-K 5 VDC 100 Ω +3.75 VDC +0.5 VDC 250 mW
BA- 6 W-K 6 VDC 144 Ω +4.5 VDC +0.6 VDC 250 mW
BA- 9 W-K 9 VDC 324 Ω +6.75 VDC +0.9 VDC 250 mW
BA- 12 W-K 12 VDC 576 Ω +9.0 VDC +1.2 VDC 250 mW
BA- 18 W-K 18 VDC 1,296 Ω+13.5 VDC +1.8 VDC 250 mW
BA- 24 W-K 24 VDC 2,304 Ω+18.0 VDC +2.4 VDC 250 mW
BA- 48 W-K 48 VDC 6,400 Ω+36.0 VDC +4.8 VDC 360 mW
■ COIL DATA CHART
Standard Type
Note: *1 Specified values are subject to pulse wave voltage.
All values in the table are measured at 20°C.
Nominal Coil resistance Set Reset Nominal
MODEL voltage (±10%) voltage*1voltage*1power
BAL-1.5 W-K 1.5 VDC 11.25 Ω +1.13 VDC –1.13 VDC 200 mW
BAL- 3 W-K 3 VDC 45 Ω +2.25 VDC –2.25 VDC 200 mW
BAL-4.5 W-K 4.5 VDC 101 Ω +3.38 VDC –3.38 VDC 200 mW
BAL- 5 W-K 5 VDC 125 Ω +3.75 VDC –3.75 VDC 200 mW
BAL- 6 W-K 6 VDC 180 Ω +4.5 VDC –4.5 VDC 200 mW
BAL- 9 W-K 9 VDC 405 Ω +6.75 VDC –6.75 VDC 200 mW
BAL- 12 W-K 12 VDC 720 Ω +9.0 VDC –9.0 VDC 200 mW
BAL- 18 W-K 18 VDC 1,620 Ω+13.5 VDC –13.5 VDC 200 mW
BAL- 24 W-K 24 VDC 2,880 Ω+18.0 VDC –18.0 VDC 200 mW
BAL-D1.5 W-K 1.5 VDC P 6.25 Ω +1.13 VDC 360 mW
S 6.25 Ω +1.13 VDC
BAL-D 3 W-K 3 VDC P 25 Ω +2.25 VDC 360 mW
S 25 Ω +2.25 VDC
BAL-D4.5 W-K 4.5 VDC P 56.3 Ω +3.38 VDC 360 mW
S 56.3 Ω +3.38 VDC
BAL-D 5 W-K 5 VDC P 69.4 Ω +3.75 VDC 360 mW
S 69.4 Ω +3.75 VDC
BAL-D 6 W-K 6 VDC P 100 Ω +4.5 VDC 360 mW
S 100 Ω +4.5 VDC
BAL-D 9 W-K 9 VDC P 225 Ω +6.75 VDC 360 mW
S 225 Ω +6.75 VDC
BAL-D 12 W-K 12 VDC P 400 Ω +9.0 VDC 360 mW
S 400 Ω +9.0 VDC
BAL-D 18 W-K 18 VDC P 900 Ω+13.5 VDC 360 mW
S 900 Ω+13.5 VDC
BAL-D 24 W-K 24 VDC P 1,600 Ω+18.0 VDC 360 mW
S 1,600 Ω+18.0 VDC
Single Winding Latching T ype
Double Winding Latching T ype
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.
4
BA SERIES
■ CHARACTERISTIC DATA
5
BA SERIES
■ REFERENCE DATA
100
60
40
20
01234567
80
Distribution of Operate & Release Time
Time (ms)
Distribution (%)
BA-5W-K
n=200
Operate
Release
6
BA SERIES
■ DIMENSIONS
●Dimensions ●Schematics
(Bottom View) ●PC board mounting
hole layout
(Bottom view)
BA, BAL, BA-WD type (Non-latching, single winding latching, MBB type)
BAL-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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