Pulse Transformers
for Maxim "MAX253"
Thru-hole & Surface Mount
Electrical Specifications
1,2
at 25
O
C
Turns
T6-Pkg.
Wide-SMD
Ratio
Part
Part
(
+
5%)
Number
Number
OCL
min.
( mH )
RS-485 Data Interface Applications
RS-232 Data Interface Applications
1800 V
RMS
Minimum Isolation
Custom Designs and Variations on
electrical data available
PRI-SEC
C
W/W
max.
( pF )
Leakage
L
L
max.
(
µH
)
Pri. DCR
max.
(Ω )
Sec. DCR
max.
(Ω )
Schematic
"C"
Schematic
"E"
ET
*
min.
(V-µS)
Schem.
Style
T-941
T-942
T-943
T-944
T-945
T-971
T-972
T-973
T-974
T-975
1CT:1
1CT:1.3CT
1CT:2.1CT
1CT:5CT
1CT:1CT
1.2
1.2
0.8
1.2
1.2
45
45
35
45
45
0.6
0.6
0.4
0.6
0.6
0.7
0.7
0.6
0.7
0.7
0.7
0.9
1.4
3.5
0.7
20
20
12
20
20
E
C
C
C
C
1. Primary Pins for all parts listed are pins 1-5.
2. Temp range is -40
O
C to +85
O
C
*
Due to High ET Product, these parts are recommended
for all applications where FS is High, Open, or Low.
Wide-SMD Package
T-971 thru T-975
.410
(10.41)
MAX.
.260
(6.60)
.410
(10.41)
MAX.
"T6" Package
T-941 thru T-945
.350
(8.89)
MAX.
Physical Dimensions
inches (mm)
MAX.
.500
(12.70)
.250
(6.35)
MAX.
.080
(2.03)
.340
(8.64)
.400
(10.16)
MAX.
.300
(7.62)
MAX.
.120
(3.05)
MIN.
.100
(2.54)
TYP.
.020 DIA.
(0.51)
TYP.
SMD available
on Tape & Reel
.020
(0.51)
TYP.
.100
(2.54)
TYP.
.010
(0.25)
TYP.
.040
(1.02)
TYP.
.510 (12.95)
.480 (12.19)
Electrical Specifications
1,2
at 25
O
C
Turns
DIP
SMD
Ratio
Part
Part
(
+
5%)
Number
Number
OCL
min.
( mH )
PRI-SEC
C
W/W
max.
( pF )
Leakage
L
L
max.
(
µH
)
Pri. DCR
max.
(Ω )
Sec. DCR
max.
(Ω )
ET
**
min.
(V-µS)
Schem.
Style
T-1106
T-1107
T-1108
T-1110
T-1106G
T-1107G
T-1108G
T-1110G
1CT:1
1CT:1.3CT
1CT:2.1CT
1CT:1CT
1.2
1.2
0.8
1.2
60
60
50
60
0.8
0.8
0.6
0.8
0.8
0.8
0.7
0.8
0.8
1.0
1.6
0.8
12
12
8
12
E
C
C
C
1. Primary Pins for all parts listed are pins 1-5.
2. Temp range is -40
O
C to +85
O
C
** Due to lower ET Product, these parts are only recommended
for applications where FS is High or Open.
SMD available
on Tape & Reel
6-Pin SMD Package
T-1106G thru T-1110G
.315
(8.00)
MAX.
6-Pin DIP Package
T-941 thru T-945
.315
(8.00)
MAX.
.285
(7.24)
MAX.
.270
(6.86)
.205
(5.21)
MAX.
.008 R
(0.20)
.010
(0.25)
.300
(7.62)
.365
(9.27)
MAX.
TYP.
.200
(5.08)
MAX.
.012 .120
(0.30) (3.05)
TYP.
MIN.
.010
(0.25)
.038
(0.96)
TYP.
.050
(1.27)
TYP.
.100
(2.54)
TYP.
.020
(0.38)
TYP.
.286
(7.27)
.425 (10.80)
.405 (10.29)
TYP.
.020
(0.51)
TYP.
.100
(2.54)
TYP.
Specifications subject to change without notice.
For other values & Custom Designs, contact factory.
MAXIM - 4/99
Rhombus
Industries Inc.
35
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960
•
Fax: (714) 896-0971
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