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HPT Series-HDSL Transformer
Features
- complies with ANSI and ETSI requirements
- matched to all leading chip sets
- very lowTHD permits maximum loop lengths
- 1,500V minimum isolation
- excellent quality at competitive price due to high volume production
- manufactured in ISO-9001 approved facility
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Transformer Selection Guide
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Typical Performance Data
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Manufacturer |
IC Type |
Application |
Transformer |
Rockwell
(Brooktree) |
BT8921/BT8970
BT8921/BT8970 |
784Kbps
1.168Kbps |
HPT-100A
HPT-110A |
BT8952
BT8952 |
784Kbps
1.168Kbps
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HPT-120A
HPT-130A |
BT8960
BT8960
BT8960
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416Kbps
288Kbps
160Kbps |
HPT-140A
HPT-150A
HPT-160A |
Level One |
SK70704/SK70706
SK70704/SK70721
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784Kbps
1.168Kbps |
HPT-170B
HPT-180C |
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THD |
-70dB max.
100kHz, 5Vpp |
Longitudinal
Balance |
50dB min
40-300kHz |
Return Loss |
16.5dB min
40-300kHz |
Matched to 135 Ohm Line Impedance |
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Electrical Specifications @ 25°C
Operating Temperature: -40°C to +85°C
Part Number |
Turns Ratio
±2%
IC : Line |
OCL
(mH) |
LL
(µH) Max. |
DCR
(Ohms)
IC / Line |
IDC
(mA) |
Isolation
Voltage
(Vrms Min.) |
Schematic |
HPT-100A
HPT-110A |
1ct:1:1
1ct:1:1 |
3,0±6%
2,0±6% |
20
20 |
2,3 / 2,3
2,3 / 2,3 |
70
70 |
1.500
1.500 |
A
A |
HPT-120A
HPT-130A |
2ct:1 :1
2ct:1 :1 |
3,0±6%
2,0±6% |
20
20 |
4,6 / 2,3
4,6 / 2,3 |
160
160 |
1.500
1.500 |
A
A |
HPT-140A
HPT-150A
HPT-160A |
1ct:1:1
1ct:1:1
1ct:1:1 |
3,5±10%
5,0±10%
8,0±10% |
40
40
40 |
2,3 / 2,3
2,6 / 2,6
2,6 / 2,6 |
70
70
70 |
1.500
1.500
1.500 |
A
A
A |
HPT-170B
HPT-180C |
1ct:1,8ct
1ct:0,9:0,9 |
2,75±6%
2,03±6% |
20
20 |
3,2 / 3,0
2,0 / 2,0 |
75
75 |
2.000
2.500 |
B
C |
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