PCA EPA1550-1

Token Ring Isolation Transformers
ELECTRONICS INC.
EPA1550-X & EPA1550-X-LF
• Designed for IBM and Token Ring for 16 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
OCL
(µH Ref.)
@ 100 KHz, 100 mV
Interwinding
Capacitance
(pF Max.)
Leakage
Inductance
(µH Max.)
Insertion Loss
(dB Max.)
@ 10 MHz
Return Loss
(dB Min.)
@ 5 MHz
CMR
(dB Min.)
@ 1.0 MHz
EPA1550-1(-LF) [Single]
750
25
0.20
0.5
20
-60
1.0
1.0
EPA1550-2(-LF) [Dual]
EPA1550-3(-LF) [Single]
750
250
25
15
0.20
0.15
0.5
0.5
20
20
-60
-60
1.0
0.55
1.0
0.85
EPA1550-4(-LF) [Dual]
250
15
0.15
0.5
20
-60
0.55
0.85
EPA1550-5(-LF) [Dual]
400 Min.
30
0.03
0.5
20
-60
0.4
0.8
DCR
(Ω Max.)
Pri.
Sec.
• Hipot : 500 Vrms Between Pri. and Sec. Windings & also from Coil to Coil in Dual Package [EPA1550-5 is Wdg to Wdg] •
• Turns Ratio for EPA1550-1 & 2 : 1:1:1:1 ± 5% •• Turns Ratio for EPA1550-3 & 4 : 1:1:2:2 ± 5% • Turns Ratio for EPA1550-5 : 2:9:22 ± 5%
•
.500
1.00 Max.
Max.
(25.40)
(12.70)
16
9 .385
PCA
.500
Max.
EPA1550-2(-LF)
Dual 16 Pin Package
Marking :
Max.
D.C.
Single 8 Pin Package
1
8 (9.78)
PCA
(12.70)
EPA1550-1(LF)
.015
D.C.
.120 ± .020
.250 Max. (.381)
(.305 ± .508)
.015
(6.35)
.120 ± .020
.250 Max. (.381)
(.305 ± .508)
(6.35)
.300
.100
#24 TC
(7.62)
(2.54)
.300
.100
#24 TC
(7.62)
(2.54)
1.00 Max.
(25.40)
Dual 20 Pin
Schematic
Dual 16 Pin
Schematic
20
19
1
Single 8 Pin
Schematic
20
1
16
1
5
2
15
2
6
11 .400
PCA
Max.
EPA1550-5(-LF)
1
D.C.
10 (10.16)
Pin 1 I.D.
.018
.250 Max. (.457)
(6.35)
2
18
3
14
3
7
3
17
4
13
4
8
4
5
6
7
16
15
5
12
6
11
Notes :
7
10
1. Lead Finish
8
9
14
13
8
9
10
12
11
Dual 20 Pin Package
.100
(2.54)
.300
(7.62)
#24 TC
EPA1550-X
EPA1550-X-LF
SnPb
Hot Tin Dip (Sn)
2. Peak Temperature Rating
260°C
3. Moisture Sensitive Levels
MSL = 1
260°C
MSL = 1
(Unlimited, ≤30°C/60%RH)
(Unlimited, ≤30°C/60%RH)
1.318 grams (-1)
1.318 grams (-1)
(Tubes for -1 & -3)
46 pieces/tube
46 pieces/tube
(Tubes for -2, -4 & -5)
24 pieces/tube
24 pieces/tube
4. Weight
5. Packaging Information
.120 ± .020
(.305 ± .508)
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.
CSA1550-X & -LF
Rev. 1
8/20/07 RR
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com