Dimensions: Inches (Millimeters)
Tolerance: 0.010 (0.25)
Weight: 6.8 grams
Talema has designed a cost effective range of U Interface transformers for 2B1Q and 4B3T applications for equipment transmission between
customer premises and exchanges. The transformers meet all requirements of recognized U Interface IC's and ANSI standard T1.601 with a
highly reliable pulse shape and return loss performance.
EPU Series - U Interface Transformers
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(11/02) Communications \ I Interface\EPU Series
Features
compatibility with common transceiver IC's ensures maximum loop length
complies with ANSI standard T1.601 when used with recommended chip
1500V minimum isolation
all materials approved to UL94V-0
excellent quality at competitive price due to high volume production
manufactured in ISO-9001 approved Talema facility
operating temperature: -40C to +85C
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Electrical Specifications @ 25C
Turns Ratio: Bold = IC Side Windings
9
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B
IC
Line
0.709
(18.00)
0.051
(1.30)
0.100
(2.54)
0.394
(10.0)
0.675
(17.15) max.
0.028
(0.71)
0.516
(13.11) max
0.531
(13.50)
max.
TALEMA IN
Part Number
Date Code
0.394
(10.0)
0.098(2.50)
0.492
(12.50)
max.
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IC
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C
IC
Line
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IC
Line
Talema Electronic 101 West 10th Street Rolla, MO (573) 364-2422 Fax: (573) 364-5390
www.talema.com Email: sales@talema.com
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