T1/E1/ISDN-PRI Transformers
E L E C T R O N I C S I N C .
EPR1090F2 to EPR1102F2 &
EPR1090F2-LF to EPR1102F2-LF
• Surface Mount in small (SOIC) package
• Optimized for Leading Transceiver I.C.’s
• Add “-LF” after part number for Lead Free
• Robust construction allows IR / VP reflow processes
• Operating temperature range : -40˚C to +85˚C
• 1500 Vrms Isolation
Electrical Parameters @ 25°C
Part
Number
Turns Ratio
Pri. OCL
(mH Min.)
Cw/w
(pF Max.)
LI
Pri. DCR
(WMax.)
Sec. DCR
(WMax.)
(± 2%)
(µH Max.)
Pins 1-3 w/
6-4 shorted
Pri.:Sec.
@ 10 KHz,
0.1 Vrms
Pri. to Sec.
Pins 1-3
Pins 6-4
EPR1090F2(-LF)
EPR1091F2(-LF)
EPR1092F2(-LF)
EPR1094F2(-LF)
EPR1101F2(-LF)
EPR1102F2(-LF)
1.35CT:1
1.14CT:1
1CT:1
2
2.2
2
50
50
50
50
35
50
1.0
1.3
1.2
1.0
1.2
1.2
2.6
2.8
2.7
2.6
2.7
2.3
2.6
2.8
2.7
2.1
2.7
1.2
1.26CT:1
1CT:1
2
1.2
2.1
2CT:1
Package
Schematics
Pad
.075 x .030
(1.91 x .762)
5 Places
Pri.
1
Sec.
Pin 1
6
Pad
.205
(5.21)
Layout
Component
Side
Component
Placement Outline
.370 x .260
2
3
4
(9.40 x 6.60)
.300
(7.62)
.350
(8.89)
4
3
2
1
.146 .250
(3.70) (3.65)
.073 (1.85)
6
Bottom View
Notes :
EPR1XXXF2
EPR1XXXF2-LF
1. Lead Finish
SnPb
Hot Tin Dip (Sn)
2. Peak Temperature Rating (per IPC/JEDEC J-STD-020C)
3. Moisture Sensitive Levels (per IPC/JEDEC J-STD-020C)
225°C
245°C
MSL = 1
(Unlimited @ £30°C/85%RH)
MSL = 1
(Unlimited @ £30°C/85%RH)
4. Weight
0.367 grams
TBD pieces/tube
TBD pieces/13” reel
0.367 grams
TBD pieces/tube
TBD pieces/13” reel
5. Packaging Information
(Tube)
(Tape & Reel)
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSR1090F2-R1102F2 & -LF Rev. 5 3/6/07 JDG
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com