T1220 PULSE ELECTRONICS CORPORATION, T1220 Datasheet
T1220
Manufacturer Part Number
T1220
Description
Audio & Signal Transformers T1/CEPT/ISDN-PRI TRANSFORMER
Manufacturer
PULSE ELECTRONICS CORPORATION
Datasheet
1.T1217NLT.pdf
(2 pages)
Specifications of T1220
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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T1/E1/CEPT/ISDN-PRI
INTERFACE MODULES
Dual Surface Mount Transformer Modules,
1500 Vrms, Extended Temperature Range
EXTENDED TEMPERATURE RANGE MODELS
1. Extended Temperature Range Models — For extended temperature range transformers (-40°C to +85°C operating temperature range), OCL (Open Circuit Inductance)
2. Turns ratio is specified primary:secondary (CT = Center Tap).
3. Standard packaging for the surface mount package is anti-static tubes. Optional Tape & Reel packaging can be ordered by adding a “T” suffix to the part number,
AN
Part Number
USA 858 674 8100 • Germany 49 7032 7806 0 • Singapore 65 6287 8998 • Shanghai 86 21 32181071 • China 86 755 33966678 • Taiwan 886 3 4643715
is specified at both -40°C and +25°C. At -40°C, OCL is 600 µH minimum. All other parameters are specified at +25°C only. Standard temperature range is 0°C to +70°C.
(i.e. T1212NLT).
Compliant
T1212NL
T1215NL
T1217NL
T1219NL
RoHS
Dimensions:
1CT:1.41CT & 1CT:1.41CT
1CT:2.42CT & 1CT:2.42CT
1CT:2.4CT & 1CT:1CT
1CT:1CT & 1CT:2CT
Inches.
(Pri:Sec ± 2%)
mm
Turns Ratio
Mechanical
1
Unless otherwise specified, all tolerances are ±
–
OPERATING TEMPERATURE
2
OCL @ 25°C
Secondary
(mH MIN)
1.20
1.20
1.20
1.20
Electrical Specifications @ 25°C
-40°C
RoHS peak reflow temperature rating 245°C
Optimized for enhanced EMC performance
Extended temperature range
Dual SMT package contains transformers with common
mode chokes on both transmit and receive channels
Models matched to leading transceiver ICs
Patented Interlock Base construction for high reliability
UL1950 approved
TO
+85°C
(µH MAX)
.60
.60
.60
.60
L
1
L
.010
0,25
(pF MAX)
C
W
35
30
25
35
/
W
(Ω MAX)
DCR Pri
Weight . . . . . . . . . . . . . . .4.0 grams
Tape & Reel . . . . . . . . . . . . 250/reel
Tube . . . . . . . . . . . . . . . . . . 30/tube
.90
.70
.60
.90
Schematic
Schematic
Package/
AN/1
AN/1
AN/1
AN/1
T660.C (10/09)
Primary Pins
1-3, 4-6
1-3, 4-6
1-3, 4-6
1-3, 4-6
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T1220 Summary of contents
Page 1
... Extended Temperature Range Models — For extended temperature range transformers (-40°C to +85°C operating temperature range), OCL (Open Circuit Inductance) is specified at both -40°C and +25°C. At -40°C, OCL is 600 µH minimum. All other parameters are specified at +25°C only. Standard temperature range is 0°C to +70°C. ...
Page 2
... Metallic Voltage: Longitudinal Voltage: 8. Isolation Voltage — 100% of transformers are tested during production to the specified isolation voltage level. 9. General Information — The transformers are specifically designed for use in 1.544 Mbps (T1), 2.048 Mbps (CEPT) and ISDN Primary Rate Interface (PRI) applications ...