For T1/ CEPT Telecom Applications
Designed to meet CCITT and FCC Requirements
3000 VRMS Reinforced Insulation
T1 / CEPT / ISDN-PRI
SMD 12 Pin Dual Transformers
See other T1/ CEPT/ ISDN-PRI products in this Catalog
Refer to Table of Contents for a variety
of other T1/ CEPT/ ISDN-PRI products
Electrical Specifications 1, 2 at 25o C
Turns
Ratio
+ 5%
OCL
Min.
( mH )
CW/W
max.
( pF )
DCR Pri.
max.
( Ω )
DCR Sec.
max.
Part
Number
Schem.
Style
Primary
Pins
( Ω )
T-16400
T-16401
T-16402
T-16403
T-16404
T-16405
T-16406
T-16407
T-16408
T-16409
T-16410
T-16411
T-16412
T-16413
T-16414
T-16415
T-16416
T-16417
T-16418
T-16419
1CT:2CT & 1CT:2CT
1CT:2CT & 1:1.36CT
1:1.15CT & 1CT:2CT
1:1/1.26 & 1CT:2CT
1:2CT & 2:1
1.20 & 1.20
1.60 & 1.60
1.50 & 1.20
1.50 & 1.20
1.60 &1.60
1.20 & 1.20
1.20 & 1.20
1.20 & 1.20
1.50 & 1.50
1.20 & 1.20
0.80 & 0.80
1.20 & 1.20
1.20 & 1.20
1.20 & 1.20
1.20 & 1.20
1.20 & 1.20
1.20 & 1.20
1.50 & 1.20
1.50 & 1.20
1.50 & 1.50
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
15 & 15
1.00 & 1.00 1.70 & 1.70
1.70 & 1.70 2.00 & 1.70
1.00 & 1.00 1.00 & 1.70
1.00 & 1.00 1.10 & 1.70
1.10 & 1.10 1.10 & 0.70
1.00 & 1.00 1.00 & 1.00
1.20 & 1.20 1.40 & 1.40
1.20 &1.20 1.20 & 1.80
1.00 & 1.00 1.10 & 1.00
1.20 & 1.20 1.40 & 1.40
1.00 & 1.20 1.00 & 1.20
1.20 & 1.20 2.10 & 2.10
0.70 & 0.70 1.20 & 1.20
0.70 & 0.70 1.20 & 0.90
0.70 & 0.70 1.20 & 0.90
0.70 & 0.70 1.20 & 0.70
0.70 & 0.70 0.90 & 1.20
0.70 & 0.70 0.90 & 1.20
0.70 & 0.70 1.10 & 0.70
0.80 & 0.80 1.00 & 1.00
A
B
D
E
F
12-10, 4-6
12-10, 4-6
12-10, 4-6
12-10, 4-6
1-3, 4-6
1CT:1CT & 1CT:1CT
1CT:1.15CT & 1CT:1.15CT
1CT:1CT & 1CT:2CT
1CT:1.15CT & 1CT:1CT
1CT:1.36CT & 1CT:1.36CT
1CT:1.41CT & 1CT:1.41CT
1CT:2.3CT & 1CT:2CT
1CT:2CT & 1CT:2CT
1CT:2CT & 1:1.36CT
1:2CT & 1:1.14CT
A
A
A
A
A
A
A
A
B
E
C
D
E
B
G
1-3, 4-6
1-3, 4-6
12-10, 4-6
12-10, 4-6
1-3, 4-6
12-10, 9-7
12-10, 4-6
12-10, 4-6
12-10, 4-6
12-10, 4-6
1-3, 4-6
1CT:2CT & 1:1
1:1.15CT & 1CT:2CT
1:1/1.26 & 1:2CT
12-10, 4-6
12-10, 4-6
12-10, 4-6
12-10, 9-7
1CT:2CT & 1:1.08CT
1:1/1.26 & 1:1/1.26
1. ET-Product 10 V-µsec minimum.
2. OCL @ Pri., 100 mV & 100 kHz
Schematic "A"
Schematic "B"
Schematic "C"
Schematic "D"
Schematic "F"
Schematic "G"
Schematic "E"
PARTS SHIPPED IN
ANTI-STATIC TUBES
TAPE & REEL
AVAILABLE
Dimensions in
inches (mm)
Unused Pins
Not Provided
T1SM12G3
For other values & Custom Designs, contact factory.
Specifications subject to change without notice.
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Rhombus
Industries Inc.
www.rhombus-ind.com
Tel: (714) 898-0960 • Fax: (714) 896-0971