Token Ring Isolation Transformers
E L E C T R O N I C S I N C .
EP9842-X & EP9842-X-LF
• Designed for IBM and Token Ring for 4 MHz Applications
• Hipot : 500 Vrms (in compliance with LAN’s Safety Requirements)
• Available in Single and Dual Low Profile Thru-Hole Packages
• Add “-LF” after part number for Lead Free
• Storage Temperature : -40°C to +125°C
• Operating Temperature : 0°C to +70°C
• IEEE 802.5 Compatible
Electrical Parameters @ 25° C
PCA
Part
Number
Interwinding
Insertion Loss
(dB Max.)
@ 10 MHz
Return Loss
(dB Min.)
@ 5 MHz
CMR
(dB Min.)
@ 1.0 MHz
OCL
Leakage
Inductance
(µH Max.)
DCR
Capacitance
(mH Ref.)
(WMax.)
Pri.
(pF Max.)
@ 100 KHz, 100 mV
Sec.
EP9842-1(-LF) [Single]
EP9842-2(-LF) [Dual]
1.0
1.0
15
15
0.4
0.4
0.5
0.5
20
20
-60
-60
•
0.55
0.55
0.85
0.85
•
Hipot : 500 Vrms Between Pri. and Sec. Windings & also from Coil to Coil in Dual Package
•
Turns Ratio : 1:1:2:2 ± 5%
•
Packages
Single 8 Pin Package
Dual 16 Pin Package
.500
Max.
(12.70)
1.00 Max.
(25.40)
.500
Max.
(12.70)
16
9
.385
Max.
(9.78)
PCA
EP9842-2(-LF)
D.C.
Marking :
PCA
EP9842-1(-LF)
D.C.
1
8
.370
Max.
(9.40)
.385
Max.
(9.78)
.015
(.381)
.015
(.381)
.120 ± .020
(.305 ± .508)
.120 ± .020
(.305 ± .508)
.300
(7.62)
.300
(7.62)
.100
(2.54)
#24 TC
.100
(2.54)
#24 TC
Schematics
Single 8 Pin
Schematic
Dual 16 Pin
Schematic
1
5
1
16
2
3
4
6
7
8
2
3
4
15
14
13
Notes :
EP9842-X
EP9842-X-LF
Hot Tin Dip (Sn)
260°C
1. Lead Finish
SnPb
2. Peak Temperature Rating
3. Moisture Sensitive Levels
260°C
MSL = 1
(Unlimited, £30°C/60%RH)
MSL = 1
(Unlimited, £30°C/60%RH)
5
12
4. Weight
2.56 grams (-1)
41 pieces/tube
24 pieces/tube
2.56 grams (-1)
6
7
8
11
10
9
5. Packaging Information (Tube for -1)
(Tube for -2)
41 pieces/tube
24 pieces/tube
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.
CS9842-X & -LF Rev. 1 8/20/07 RR
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com