AUDIO TRANSFORMERS
SURFACE MOUNT PACKAGE
RoHS peak reflow temperature rating 245°C
Typical applications: telephone sets, PBXs, DLC systems,
central office switches
Optimized insertion loss and return loss for audio frequency
range, including voiceband
Designed for 600 Ω line impedance
Small SMT footprint
Mechanical Schematic
T6003NL / T6027NL
Weight . . . . . . . . . . . . . . . . .6.7 grams
Pan Size . . . . . . . . . . . . . . . . . . 60/tray
Tape and Reel . . . . . . . . . . . . 150/reel
Dimensions: Inches
mm
Unless otherwise specified, all
tolerances are ± .010
0,25
Electrical Specifications @ 25°C
RoHS-Compliant
Part Number
Turns Ratio
Pri:Sec
(±2%)
DCR
Pri Side
(
Ω
MAX)
DCR
Sec Side
(
Ω
MAX)
Isolation
Voltage
(Vrms MIN)
Insertion Loss (dB MAX) Return Loss (dB MIN)
200 Hz 1 kHz 20 kHz 100 kHz 200 Hz 1 kHz 10 kHz
T6027NL 1:2 55 390 1500 1.2 1.0 1.0 1.7 18 18 18
T6003NL 1:1 55 70 1500 1.0 1.0 1.0 1.9 20 30 25
NOTE: Optional Tape & Reel packaging can be ordered by adding a “T” suffix to the part number (ex: T6003NLT).
www.pulseeng.com T628.B (7/09)
For More Information:
Pulse Worldwide
Headquarters
12220 World Trade Dr.
San Diego, CA 92128
U.S.A.
www.pulseeng.com
Tel: 858 674 8100
Fax: 858 674 8262
Puls e South Asia
135 Joo Seng Rd.
#03-02
PM Industrial Bldg.
Singapore 368363
TEL: 65 6287 8998
FAX: 65 6280 0080
Pulse North Asia
No. 26, Kao Ching Rd.
Yang Mei Chen
Taoyuan Hsien
Taiwan
R. O. C.
Tel: 886 3 4643715
Fax: 886 3 4641911
Pulse China Headquarters
B402, Shenzhen Academy of
Aerospace Technology Bldg.
10th Kejinan Rd.
High-Tech Zone
Nanshan District
Shenzen, PR China 518057
TEL: 86 755 33966678
FAX: 86 755 33966700
Pulse North China
Room 1503
XinYin Building
No. 888 YiShan Rd.
Shanghai 200233
China
Tel: 86 21 54643211/2
Fax: 86 21 54643210
Pulse Europe
Einsteinstrasse 1
D-71083 Herrenberg
Germany
Tel: 49 7032 7806 0
Fax: 49 7032 7806 135
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
© Copyright, 2009. Pulse Engineering, Inc. All rights reserved.
T6003NL: 600 Ω/600 Ω
T6027NL: 600 Ω/2400 Ω
