©2006 Signal Transformer Inc. Specications subject to change without notice. 07.06
SM
500 Bayview Avenue, Inwood, NY 11096
Toll Free 866-239-5777 • Tel 516-239-5777 • Fax 516-239-7208
sales@signaltransformer.com • techhelp@signaltransformer.com
www.signaltransformer.com
1
For Low Power and Critical Height Applications
Flathead™ Low Prole Transformers
Printed Circuit Mount
Signal’s LP transformers use hum-bucking (semi-toroidal) construction that minimizes radiated
magnetic fields. These transformers are ideal for critical low-height PC board applications.
General Specifications
• Power - 2 VA to 48 VA
• Dielectric Strength - 1500 Vrms Hipot
• Primaries - Dual primaries, 115/230 V - 50/60Hz
• Secondaries - Series or parallel
• Height - 0.65” to 1.375” (16.5 mm to 34.9 mm)
• Insulation System - Class B, 130º C, UL 1446, E66312
Agency Certifications
• UL recognized to UL 506, File # E63829
• CSA - NRTL/C22.2 #66, File # 221070
VA Dimensions Weight
A B C L W H N D P
Size Inches (mm) oz (kg)
21.600
(40.6)
0.375
(9.5)
0.375
(9.5)
1.87
(47.5)
1.56
(39.6)
0.650
(16.5) –.041 x .020
(1.04 x 0.51) –
5
(0.14)
61.600
(40.6)
0.375
(9.5)
0.375
(9.5)
1.87
(47.5)
1.56
(39.6)
0.850
(21.6) –.041 x .020
(1.04 x 0.51) –
7
(0.20)
12 2.000
(50.8)
0.500
(12.7)
0.500
(12.7)
2.50
(63.5)
2.00
(50.8)
1.065
(27.1) –.041 x .020
(1.04 x 0.51) –
11
(0.31)
24 1.900
(48.3)
0.600
(15.2)
0.530
(13.5)
2.87
(72.9)
2.25
(57.2)
1.250
(31.8)
2.41
(61.2)
.041 SQ pin
(1.04 SQ mm)
Clearance Hole
for #4 Screw
15
(0.43)
48 2.180
(55.4)
0.600
(15.2)
0.660
(16.8)
3.12
(79.2)
2.50
(63.5)
1.375
(34.9)
2.62
(66.5)
.041 SQ pin
(1.04 SQ mm)
Clearance Hole
for #6 Screw
21
(0.60)
©2006 Signal Transformer Inc. Specications subject to change without notice. 07.06
SM
500 Bayview Avenue, Inwood, NY 11096
Toll Free 866-239-5777 • Tel 516-239-5777 • Fax 516-239-7208
sales@signaltransformer.com • techhelp@signaltransformer.com
www.signaltransformer.com
2
For Low Power and Critical Height Applications
Flathead™ Low Prole Transformers
Printed Circuit Mount
Part Number VA Secondary RMS Rating
Size Series Parallel
LP-10-250 2 10VCT @ 250mA 5V @ 500mA
LP-10-600 6 10VCT @ 600mA 5V @ 1.2A
LP-10-1200 12 10VCT @ 1200mA 5V @ 2.4A
LP-10-2400 24 10VCT @ 2.40A 5V @ 4.80A
LP-10-4800 48 10VCT @ 4.80A 5V @ 9.60A
LP-12-200 2 12.6VCT @ 200mA 6.3V @ 400mA
LP-12-450 6 12.6VCT @ 450mA 6.3V @ 900mA
LP-12-900 12 12.6VCT @ 900mA 6.3V @ 1.8A
LP-12-1900 24 12.6VCT @ 1.90A 6.3V @ 3.80A
LP-12-3800 48 12.6VCT @ 3.80A 6.3V @ 7.60A
LP-16-150 2 16VCT @ 150mA 8V @ 300mA
LP-16-350 6 16VCT @ 350mA 8V @ 700mA
LP-16-700 12 16VCT @ 700mA 8V @ 1.4A
LP-16-1500 24 16VCT @ 1.50A 8V @ 3.00A
LP-16-3000 48 16VCT @ 3.00A 8V @ 6.00A
LP-20-125 2 20VCT @ 125mA 10V @ 250mA
LP-20-300 6 20VCT @ 300mA 10V @ 600mA
LP-20-600 12 20VCT @ 600mA 10V @ 1.2A
LP-20-1200 24 20VCT @ 1.20A 10V @ 2.40A
LP-20-2400 48 20VCT @ 2.40A 10V @ 4.80A
LP-24-100 2 24VCT @ 100mA 12V @ 200mA
LP-24-250 6 24VCT @ 250mA 12V @ 500mA
LP-24-500 12 24VCT @ 500mA 12V @ 1.00A
LP-24-1000 24 24VCT @ 1.00A 12V @ 2.00A
LP-24-2000 48 24VCT @ 2.00A 12V @ 4.00A
Part Number VA Secondary RMS Rating
Size Series Parallel
LP-30-85 2 30VCT @ 85mA 15V @ 170mA
LP-30-200 6 30VCT @ 200mA 15V @ 400mA
LP-30-400 12 30VCT @ 400mA 15V @ 800mA
LP-30-800 24 30VCT @ 800mA 15V @ 1.60A
LP-30-1600 48 30VCT @ 1.60A 15V @ 3.20A
LP-34-75 2 34VCT @ 75mA 17V @ 150mA
LP-34-170 6 34VCT @ 170mA 17V @ 340mA
LP-34-340 12 34VCT @ 340mA 17V @ 680mA
LP-34-700 24 34VCT @ 700mA 17V @ 1.40A
LP-34-1400 48 34VCT @ 1.40A 17V @ 2.80A
LP-40-60 2 40VCT @ 60mA 20V @ 120mA
LP-40-150 6 40VCT @ 150mA 20V @ 300mA
LP-40-300 12 40VCT @ 300mA 20V @ 600mA
LP-40-600 24 40VCT @ 600mA 20V @ 1.20A
LP-40-1200 48 40VCT @ 1.20A 20V @ 2.40A
LP-56-45 2 56VCT @ 45mA 28V @ 90mA
LP-56-100 6 56VCT @ 100mA 28V @ 200mA
LP-56-200 12 56VCT @ 200mA 28V @ 400mA
LP-56-425 24 56VCT @ 425mA 28V @ 850mA
LP-56-850 48 56VCT @ 850mA 28V @ 1.70A
LP-88-28 2 88VCT @ 28mA 44V @ 56mA
LP-88-65 6 88VCT @ 65mA 44V @ 130mA
LP-88-130 12 88VCT @ 130mA 44V @ 260mA
LP-120-20 2 120VCT @ 20mA 60V @ 40mA
LP-120-50 6 120VCT @ 50mA 60V @ 100mA
LP-120-100 12 120VCT @ 100mA 60V @ 200mA
LP-230-10 2 230VCT @ 10mA 115V @ 20mA
LP-230-25 6 230VCT @ 25mA 115V @ 50mA
LP-230-50 12 230VCT @ 50mA 115V @ 100mA
