S553-3855-02 Datasheet, PDF (1/1 Pages) Bel Fuse Inc. – T1/CEPT/ISDN-PRI TRANSFORMER

TM0009
defining a degree of excellence
T1/CEPT/ISDN-PRI TRANSFORMER
S553-3855-02
Bel introduces a new “pick and place” compatible,
small footprint, surface mount impedance
matching transformer for ISDN-PRI/T1/CEPT
applications.
* Pick and Place Compatible.
* Small form factor to maximize
board space.
MECHANICALS
SCHEMATIC
0.285(7.24) ^{bel Date Code}
Max
S553-3855-02
0.375(9.53)Max
0.350(8.89)Min
Primary
16 15 14 13
Secondary
12 11 10 9
Top View
1
0.018(0.46) +/- 0.002"
0.225(5.72)
Max
0.50(12.70) Max
1
2
34
Secondary
56
7
8
Primary
0.015(0.38)MAX
0.004(0.10)MIN
0.35 (8.89)
4^O
Nom
0.012(0.30)Max
0.008(0.20)Min
0.025(0.64)Max
0.015(0.38)Min
Dimensions in inches (mm)
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated
ELECTRICALS @ 25^o C
Part
Number
Turns
Pins
(16-14):(1-3)
Ratio
Pins
(6-8):(11-9)
Primary
Inductance
OCL (mH)
Min
Leakage
Inductance
L_L (mH) Max
Pins Pins
(16-14)* (6-8)**
Interwinding
Capacitance
C_ww
(pF) Max
DC
Resistance
DCR Pri
(ohm) Max
DC Resistance
DCR Sec
(ohm) Max
Pins Pins
(1-3) (11-9)
Hipot
(Vrms)
Min
S553-3855-02 1:1.15CT 1CT:2CT 1.20
0.6 0.8
30
0.70
0.70 1.00 ¹⁵⁰⁰
* Leakage Inductance is measured with Pins (1-3) shorted.
** Leakage Inductance is measured with Pins (11-9) shorted.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: [phone]
Fax: [phone]
E-Mail: [e-mail]
Internet: http://www.belfuse.com
T109
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: [phone]
Fax: [phone]
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: [phone]
Fax: [phone]