T1/ CEPT/ISDN-PRI Quad Port Transformer
ELECTRONICS INC.
EPR1538SE & EPR1538SE-RC
• Quad Port Transformer Module with IC Side Protection Circuit • Optimized for PMC-Sierra’s Comet Chip PM4354 • Add “-RC” after part number for RoHS Compliant • Extended Temperature Range : -40°C to +85°C • Low Profile Surface Mount Package • Isolation : 1500 Vrms
Electrical Parameters @ 25° C
OCL (mH Min.) 100 KHz, .1V Line Side 1.2
Cw/w (pF Max.) 100 KHz, .1V Xmit/Rcv 30
Le (µH Max.) 100 KHz, .1V Xmit/Rcv 0.70 50-100 KHz Xmit -9 • Rcv -12
Return Loss (dB Min.) 100 KHz-2 MHz Xmit -15 Rcv -18 2-3 MHz Xmit -11 Rcv -14
DCR (Ω Max.) Pri. 0.40 • Sec. 0.70
CMDR (dB Min.) 0.1-1 MHz -50
CMRR (dB Min.) 0.1-1 MHz -40
Crosstalk (dB Min.) 0.1-10 MHz -50
Line Side Impedance : 100 Ω - 120 Ω
Package
1.120 (28.45) .085 (2.16) PCA EPR1538SE(-RC) Date Code 40 .480 (12.19) .670 (17.02) 1 Solder Pad Layout 20 .050 (1.27) 1 .090 (2.29) 2 3 4 5 6 7 .950 (24.13) .260 (6.60) .050 (1.27) .010/.015 (.254/.381) 0°-8° .030 (.762) .008/.012 (.203/.305) 8 9 10 .016/.022 (.406/.559) .035 (.889) .600 (15.24) Chip Side 11 12 13
Notes : 1. Assembly Process
(Solder Composition)
Schematic
1:2.42 40 39 V G 1:2.42 38 37 36 1:2.42 35 34 V G 1:2.42 33 32 31 Line Side 1:2.42 30 29 V G 1:2.42 28 27 26 1:2.42 25 24 V G 1:2.42 23 22 21
21
EPR1538SE (Leadframe) (Assembly Solder) SnPb SnPb 225°C 3
EPR1538SE-RC Sn SnPb
(RoHS exemption 7a)
14 15 16 17 18 19 20
2. Peak Solder Rating
(per IPC/JEDEC J-STD-020C)
260°C 4
3. Moisture Sensitive Levels (MSL)
(per IPC/JEDEC J-STD-020C)
(168 Hours, ≤30°C/60%RH)
(72 Hours, ≤30°C/60%RH)
4. Weight 5. Packaging Information (Tube) (Tape & Reel)
TBD grams 19 pieces/tube 300 pieces/13” reel
(*EPR1538SE-TR)
TBD grams 19 pieces/tube 300 pieces/13 reel
(*EPR1538SE-RCTR)
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSR1538SE & -RC Rev. 3 12/7/05 JDG
TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com
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