XFMRS
T3 / DS3 / E3 / STS-1
TRANSFORMERS
• DEVELOPED FOR USE IN T3, DS3, E3, AND STS-1 INTERFACES
• RETURN LOSS MEETS REQUIREMENTS OF G.703
• FAST RISE TIMES
• THROUGH-HOLE AND SURFACE MOUNT PACKAGES AVAILABLE
• 1500 Vrms ISOLATION AND 3000 Vrms REINFORCED INSULATION PER
BABT EN41003/EN60950 AND UL 1950 AVAILABLE
• SINGLE, DUALS, CUSTOMS AVAILABLE
16
ELECTRICAL SPECIFICATIONS @ 25° C
Part Number
Turns Ratio
(± 2%)
OCL Primary
(µH MIN)
L
L
(µH MAX)
Bandwidth
75
Ω
System
(MHz TYP)
Isolation
Voltage
(Vms MIN)
Package/
Schematic
Primary
Pins
XF04061-2B
XF03561-2B
XF05061-2B
XF0506-20
XF04061-20
XF04061-2S
XF01962-20
XF01962-2S
XF0406TM
XF0196TM
XF04061-2SA
XF01962-20A
1:1
1:2CT
1:4CT
1:1.73CT
1:1
1:1
1:2CT
1:2CT
1:1
1:2CT
1:1
1:2CT
40
35
150
50
40
40
19
19
40
19
40
19
.12
.12
.30
.10
.10
.10
.06
.06
.10
.06
.20
.20
—
—
—
.060 - 300
.200 - 340
.200 - 340
.250 - 500
.250 - 500
—
—
—
—
1500
1500
1500
1500
1500
1500
1500
1500
3000
3000
3000
3000
XF-2B / C
XF-2B / E
XF-2B / E
XF-20 / A
XF-20 / B
XF-2S / B
XF-2S / A
XF-20 / A
XF-TM / D
XF-TM / C
XF-2S / B
XF-2S / A
2-6
2-6
2-6
4-6
4-6
4-6
4-6
4-6
1-5
1-5
4-6
4-6
SCHEMATICS:
A
C
E
B
D
XFMRS
XFMRS, INC.
7570 E. Landersdale Road • Camby, Indiana 46113 • Tel. (317) 834-1066 • Fax: (317) 834-1067
XFMRS [ XFMRS INC. ]
