ISDN S-INTERFACE
TRANSFORMERS
Surface Mount, Dual, 2000Vrms
Meets pulse waveform template of CCITT I.430 when
recommended transformer and chip pair are used
Excellent longitudinal balance
2KVrms isolation voltage
Available in tape and reel, tray or tube packaging
Recognized by UL
Mechanical Schematic
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
8
916
PE-6579X
Date Code
Country of Origin
.530 MAX
13,46
.720 MAX
18,29
.600
15,24
16X .030
0,76
.120 TYP
3,05
.050 TYP
1,27
.520
13,21
.760
19,30
.100 TYP
2,54 .700
17,78
.004/0,10
16 SURFACES
.010/.020
0,25/0,51
.122
3,10
.950 MAX
24,13
.100
2,54
.390 MAX
9,91
.040/.050
1,02/1,27
SUGGESTED PAD LAYOUT
16 13
1423
15 14 12 9
5867
11 10
PRI
COIL A COIL B
SEC
Dimensions: Inches
mm
Unless otherwise specified all tolerances are ±.010
0,25 See page 4 for packaging information.
NOTE: For low profile version of products listed above, refer to data sheet T613.
Part Ratio AOCL Pri BLLSec CW/WCD Pri DCR Pri DCR Sec ΔΔIDC CPackage/
Number (±2%) (mH MIN) (µH MAX) (pF MAX) (pF MAX) (Ω±25%) (Ω±25%) (mA MAX) Schematic
A B A & B A B A & B A B A B A B
PE-65792 1:1 1:2 22 5 15 100 42 80 2.4 2.3 2.4 4.0 1 SC-1
PE-65793 1:1 1:1 22 5 5 100 42 42 2.4 2.4 2.4 2.4 1 SC-1
PE-65795 1:2 1:2 22 15 15 100 80 80 2.5 2.5 4.3 4.3 1 SC-1
PE-65798 1:2.5 1:2.5 22 8-40 8-40 100 110 110 2.5 2.5 5.8 5.8 1 SC-1
PE-65799 1:2 1:2 22 11 11 100 180 180 2.4 2.4 4.4 4.4 1 SC-1
SC-1
(See Pages 4 and 5 for Table Notes)
USA 858 674 8100
••
UK 44 1483 401 700
••
France 33 3 84 35 04 04
••
Singapore 65 6287 8998
••
Shanghai
86 21 32181071
••
China 86 769 5538070
••
Taiwan 886 2 26980228
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1 T604.D (1/06)
ISDN S-INTERFACE
TRANSFORMERS
Through Hole, Single, 2000Vrms
Meets the pulse waveform template
of CCITT I.430 when recommended
transformer and chip pair are used
Excellent longitudinal balance
2KVrms or higher voltage isolation
Recognized by UL
Mechanicals Schematics
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
.558 MAX
14,20
1
2
3
6
4
PE-6499X
DATE CODE
.120 ± .020
3,10 0,30
.400
10,20
.400
10,20
C
L
C
L
LEADS ARE 22 AWG SOLDERABLE
5 .558 MAX
14,20
.400 MAX
10,20
1
2
3
7
4
.120 ± .020
3,10 0,30
.400
10,20
.200
5,10
.400
10,20
C
L
C
L
LEADS ARE 22 AWG SOLDERABLE
6
5
.558 MAX
14,20
.558 MAX
14,20
.400 MAX
10,20
PE-6499X
DATE CODE
1
2
3
4
8
7
6
5
.120 ± .020
3,10 0,30
.400
10,20
.200
5,10
.400
10,20
C
L
C
L
LEADS ARE 22 AWG SOLDERABLE
.558 MAX
14,20
.558 MAX
14,20
.400 MAX
10,20
PE-6499X
DATE CODE
6
4
1
3
25
PRI : SEC
1
3
2
7
4
6
5
PRI : SEC
8
5
1
4
2
3
7
6
PRI : SEC
2KV ISOLATION, THROUGH HOLE, SINGLE TRANSFORMERS
See page 4 for packaging information.
See page 4 for packaging information.
See page 4 for packaging information.
Part Ratio AOCL Pri LLSec CW/WCD Pri DCR Pri DCR Sec Isolation ΔΔIDC CPackage/
Number (±2%) (mH MIN) (µH MAX) (pF MAX) (pF MAX) (Ω±25%) (Ω±25%) (Vrms MIN) (mA MAX) Schematic
PE-64993 1CT:1CT 22 5 100 42 2.4 2.4 2000 1 IS-1
PE-64994 1CT:1.8CS 22 15 100 160 2.5 4.2 2000 1 IS-2
PE-64995 1CT:2CT 22 15 100 80 2.5 4.3 2000 1 IS-1
PE-64996 1CT:2.5CS 22 30 100 150 2.5 5.8 2000 1 IS-2
PE-64998 1CS:2.5CS 22 15-40 100 110 2.5 5.8 2000 1 IS-3
PE-64999 1CT:2CT 22 11 100 180 2.4 4.4 2000 1 IS-1
IS-1
IS-2
IS-3
(See Pages 4 and 5 for Table Notes)
Unless otherwise specified, all tolerances are ± .010
0,25
Dimensions: Inches
mm
USA 858 674 8100
••
UK 44 1483 401 700
••
France 33 3 84 35 04 04
••
Singapore 65 6287 8998
••
Shanghai
86 21 32181071
••
China 86 769 5538070
••
Taiwan 886 2 26980228
www.pulseeng.com
2 T604.D (1/06)
ISDN S-INTERFACE
TRANSFORMERS
Dual and Single Through Hole
Mechanical Schematic
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
3KV REINFORCED INSULATION, THROUGH HOLE, SINGLE TRANSFORMERS
A
1
12
4
7
6
9
PRI : SEC
B
1
2
4
7
612
9
PRI : SEC
1
2
4
6
12
11
9
7
0.750 MAX
19,05
0.750 MAX
19,05
PE-6899X
DATE CODE
LEADS ARE 22 AWG SOLDERABLE
UNUSED PINS NOT PROVIDED
.500
12,70
MAX
.130
3,30
.492
12,50
.591
15,00
.098
2,50
12
11
9
7
1
2
4
6
.197
5,00
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
Mechanical Schematic
PRI
SEC
16 13
1423
15 14 12 9
5867
1110
COIL A COIL B
NOTE: Refer to the equivalent single part number for electrical specifications.
Dimensions: Inches
mm
Unless otherwise specified all tolerances are ±.010
0,25 See page 4 for packaging information.
See page 4 for packaging information.
Part COIL A COIL B Package/
Number Ratio AEquivalent Primary Secondary Ratio AEquivalent Primary Secondary Schematic
Single Pins Pins Single Pins Pins
PE-65492 1:1 PE-64993 1-4 16-13 1:2 PE-64995 5-8 12-9 ID-1
PE-65493 1:1 PE-64993 1-4 16-13 1:1 PE-64993 5-8 12-9 ID-1
PE-65495 1:2 PE-64995 1-4 16-13 1:2 PE-64995 5-8 12-9 ID-1
PE-65498 1:2.5 PE-64998 1-4 16-13 1:2.5 PE-64998 5-8 12-9 ID-1
PE-65499 1:2 PE-64999 1-4 16-13 1:2 PE-64999 5-8 12-9 ID-1
Pulse Ratio A
OCL Pri LLSec CW/WCD
DCR Unbalanced Package/
Part Number ± 2% (mH MIN) (µH MAX) (pF MAX) (pF MAX) (Ω ± 25%) IDC C
Schematic
(Pri:Sec) Primary Secondary (mA MAX)
PE-68992 1CS:2CT 22 15 60 80 3.0 5.5 5 WD-1/B
PE-68993 1CS:1 22 5 40 40 2.8 2.7 5 WD-1/A
PE-68995 1CS:2 22 15 60 80 3.0 5.5 5 WD-1/A
PE-68998 1CS:2.5 22 8-40 60 110 3.0 7.0 5 WD-1/A
PE-68999 1CS:2 22 11 50 110 2.8 5.5 5 WD-1/A
REINFORCED
INSULATION!
ID-1
WD-1
(See Pages 4 and 5 for Table Notes)
(See Pages 4 and 5 for Table Notes)
Unless otherwise specified, all tolerances are ± .010
0,25
Dimensions: Inches
mm
USA 858 674 8100
••
UK 44 1483 401 700
••
France 33 3 84 35 04 04
••
Singapore 65 6287 8998
••
Shanghai
86 21 32181071
••
China 86 769 5538070
••
Taiwan 886 2 26980228
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3 T604.D (1/06)
ISDN S-INTERFACE
TRANSFORMERS
Transformer Selection and Packaging
IC IC Dual Single Dual Single
Manufacturer Part Number Surface Mount Through Hole, 2 KVrms Through Hole Through Hole, 3 KVrms
NOTES
A. In this catalog, turns ratio is expressed as
“primary:secondary”. The term “CT” designates a center
tapped winding. The term “CS” designates a split center tap
winding. A center tapped winding can be created by connect-
ing two ends of a split center winding together on the printed
circuit board. In ISDN-S applications, the primary winding is
the line side transformer winding.
B. The minimum primary inductance and the maximum
distributed capacitance satisfy the transmitter output and
receiver input impedance requirements of CCITT I.430 for
both the TE and the NT. The maximum distributed capaci-
tance allows sufficient margin for the capacitance of the IC
and a protection diode network. It is consistent with the
overall maximum value specified and the permitted length of
the basic access TE cord.
C. The maximum specified unbalanced DC current capability is
based on 20 mH minimum primary OCL.
D. National recommends a 1:2 receive transformer, but used as
a 1:1 ratio by connecting only half the secondary winding.
See National’s application note.
E. PE-65950, PE-68613 and PE-65853 are recommended for
use with Siemens PEB 2080/2085 and help in meeting the
required longitudinal balance.
F. Standard packaging for all chokes and transformers listed in
this catalog is anti-static tubes. Optional anti-static tray
packaging can be ordered for the surface mount SC-1 and
LA-1 packages by adding an “R” suffix to the part number,
(ie: PE-65795R). Optional tape and reel packaging can be
ordered for all surface mount packages by adding a “T” suffix
to the part number, (ie: PE-65795T).
G. For PE-65854, OCL at -40°C is 27 µH minimum. For maxi-
mum performance use windings (1-8) and (2-7) as a pair and
windings (3-6) and (4-5) as a pair.
H. For transformers and choke modules, refer to data sheet T632.
Packaging Information
Trans & Rec Transmit Receive Trans & Rec Transmit Receive
AMD
Am 79C30A/79C32A
PE-65799 PE-64999 PE-64999 PE-65499 PE-68999 PE-68999
AT&T/Lucent
T7250/7256/7259
PE-65798 PE-64998 PE-64998 PE-65498 PE-68998 PE-68998
T7903
PE-65795 PE-64995 PE-64995 PE-65495 PE-68995 PE-68995
Mietec
MTC-2072
PE-65795 PE-64995 PE-64995 PE-65495 PE-68995 PE-68995
Mitel
MT8930
PE-65795 PE-64995 PE-64995 PE-65495 PE-68995 PE-68995
Motorola
MC145474/145475
PE-65793 PE-64993 PE-64993 PE-65493 PE-68993 PE-68993
MC145574
PE-65798 PE-64998 PE-64998 PE-65498 PE-68998 PE-68998
National D
TP3420/3421
PE-65795 PE-64995 PE-64995 PE-65495 PE-68995 PE-68992
SGS Thomson
ST5420, ST5421
PE-65795 PE-64995 PE-64995 PE-65495 PE-68995 PE-68995
PEB 2080/2081/2085
Siemens PSB 2186 PE-65795 PE-64995 PE-64995 PE-65495 PE-68995 PE-68995
PEB 2084/2086
Yamaha
7405B
PE-65795 PE-64995 PE-64995 PE-65495 PE-68995 PE-68995
Package FType Part Weight Parts/Tube Parts/Tray Parts/Reel Reel Diameter Tape Width Pitch
LA-1 SMT 2.0 grams 30 60 250 13 inches 24 mm 24 mm
PA-2 SMT 4.0 grams 35 – 150 13 inches 32 mm 24 mm
SC-1 SMT 7.0 grams 20 50 150 13 inches 44 mm 24 mm
SH-4 SMT 0.3 grams 25 – 1500 13 inches 24 mm 12 mm
ID-1 THT 7.0 grams 20 – – – – –
IN-1 THT 2.5 grams 35 – – – – –
IS THT 4.0 grams 35 – – – – –
VC-1 THT 3.5 grams 40 – – – – –
WD-1 THT 9.0 grams 25 – – – – –
(See Pages 4 and 5 for Table Notes)
USA 858 674 8100
••
UK 44 1483 401 700
••
France 33 3 84 35 04 04
••
Singapore 65 6287 8998
••
Shanghai
86 21 32181071
••
China 86 769 5538070
••
Taiwan 886 2 26980228
www.pulseeng.com
4 T604.D (1/06)
ISDN S-INTERFACE
TRANSFORMERS
Application Notes
1. General Information – The S-interface is the standard-
ized four-wire digital telephone access point defined by
the CCITT I-series recommendations for the Integrated
Services Digital Network. This “basic rate access” accom-
modates two 64Kbps “B-channels” for information, one
16Kbps “D-channel” intended for signaling and control,
and 48 Kbps for framing and other purposes, giving a total
rate of 192Kbps. The CCITT physical layer recommends
that the user network interface be transformer coupled.
A typical application circuit is presented in Figure 1.
The transformer provides isolation for the line card or the
terminal from the line. It is also a way to provide phantom
power feeding to the terminal over the S-loop. Each end
requires a transmit and a receive transformer. Chokes are
used in some applications to reduce common mode noise
(see note 5).
The transformers described in this data sheet are
matched to the transceivers offered by the major IC manu-
facturers listed. The use of a transformer-chip pair
assures that all requirements of CCITT I.430 are met with
respect to pulse waveform templates, impedance and
longitudinal balance. In addition, the transformers provide
the isolation voltages required by the regulatory agencies
and are capable of passing surge voltage tests.
2. Longitudinal Balance for Transformers – The longitudi-
nal conversion loss specification in I.430 includes a test
setup that is intended for system evaluation, whether TE
or NT. Such a test is performed with DC current present.
The transformer plays an essential role in achieving the
required balance. However, all other elements in the
circuit should be also designed to provide the highest
possible symmetry. These elements include the protection
circuitry, series resistors, chip transmitter output and
receiver input, as well as the cables used and the TE cord
where applicable. A high level of transformer balance
compensates for some circuit AC-unbalance, and assures
compliance of the system with I.430 on longitudinal
conversion loss (LCL) and signal balance. This is accom-
plished by a well AC-balanced winding configuration
whereby the capacitive coupling between primary and
secondary windings is evenly distributed. Also, both
halves of the lineside winding are well balanced. The
transformers meet the following LCL specifications:
• 10kHz to 300kHz: 60dB minimum
• 300kHz to 1MHz: Minimum value decreasing
20dB/decade.
IC
XMIT
Sec : Pri
RCV
High
Freq
Choke
IC
RCV
XMIT
Low
Freq
Choke
Low
Freq
Choke
High
Freq
Choke
S-INTERFACE
Local
Power
DC
Supply
Pri : Sec
NTTE
Sec : Pri Pri : Sec
Figure 1. Typical ISDN S-Interface Application Circuit
(continued on next page)
USA 858 674 8100
••
UK 44 1483 401 700
••
France 33 3 84 35 04 04
••
Singapore 65 6287 8998
••
Shanghai
86 21 32181071
••
China 86 769 5538070
••
Taiwan 886 2 26980228
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5 T604.D (1/06)
ISDN S-INTERFACE
TRANSFORMERS
Application Notes
A recommended test setup is shown in Figure 2. A high
inductance “low frequency” common mode choke, such as
PE-65950 or PE-65853, is recommended to improve
balance, or to correct inherent unbalances of some circuits.
4. Impedance Requirements – The requirements for
minimum impedance in the inactive and powered-down
states are expressed by impedance templates for both
transmitter and receiver in NT and TE. At the low
frequency end of 1MHz, it is reasonable to assume that
the impedance seen from the line is entirely capacitive.
The maximum capacitance budget, derived from the
templates, is somewhat different for the NT and the TE.
Contributors to the total capacitance are: the chip output,
the protection circuit, the transformer, common mode
choke and any other element that may be present. In the
TE case, there is also the maximum allowable TE cord
impedance. Here the maximum budget is 800pF. As a
rule, the capacitances should be kept as low as possible
in the interface circuit design. With the specified trans-
former capacitances, it is possible to remain within budget
and have a reasonable margin for measurement errors.
5. Common Mode Chokes – The “high frequency” 4-wire
common mode chokes shown on pages 7 and 8 provide
an effective means of compliance with national and
international regulations on EMI. They are designed to be
used in conjunction with either Pulse’s ISDN S-Interface or
T1/CEPT transformers as shown in Figure 1. A high
inductance “low frequency” common mode choke is
recommended to improve balance, or to correct inherent
unbalances of some ISDN S-Interface circuits.
6. Surge Voltage Capability for Transformers and Chokes
• Longitudinal Voltage Peak: 2,400V 10/700µsec
• Metallic Voltage Peak: 800V 10/560µsec
7. Behavior Under Fault Conditions – Telephony voltages
may accidentally appear on the ISDN S-Interface line to
the transformer. The transformer will withstand a DC
current of 0.5 Amps for 15 minutes without permanent
damage. Such current may be caused by the telephone
central battery. The transformer will also survive ringing
voltages. These are nominally 120V or 200V maximum at
20 to 60Hz, limited by 1500Ωresistive or 400 to 600Ω
inductive limiting. These may cause peak currents.
8. Flammability – Materials used in the products are recog-
nized UL94-VO. Products meet the requirements of IEC
695-2-2 (Needle Flame Test).
Out
HP-8751A
Network Analyzer
RBA
VT
EL
ISM-1
Pri Sec
Terminating
Resistor
ISM-1 = Wandel and Goltermann
Signal Balance Ratio Bridge
Figure 2. Longitudinal Balance Test Circuit
(continued from previous page)
USA 858 674 8100
••
UK 44 1483 401 700
••
France 33 3 84 35 04 04
••
Singapore 65 6287 8998
••
Shanghai
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••
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••
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6 T604.D (1/06)
Designed for 4-wire links, ISDN-S/T and
T1/E1/CEPT
High frequency chokes for EMI reduction
Low frequency chokes improve
longitudinal balance in ISDN-S/T links
Surface mount and through hole models
available
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
LOW FREQUENCY
HIGH FREQUENCY
0
-10
-20
-30
-40
-50
Attenuation (dB)
100 KHz 1 MHz 10 MHz
Frequency
PE-65542
PE-65541
PE-65950/65853
0
-5
-10
-15
-20
-25
-30
Attenuation (dB)
1 MHz 10 MHz 100 MHz
Frequency
PE-65555
PE-65854
PE-65554/65857
20K
18K
16K
14K
12K
10K
8K
6K
4K
2K
0
Impedance (Ω)
100 KHz 1 MHz 10 MHz
Frequency
PE-65542
PE-65950/65853
PE-65541
3.0K
2.8K
2.6K
2.4K
2.2K
2.0K
1.8K
1.6K
1.4K
1.2K
1K
800
600
400
200
0
Impedance (Ω)
1 MHz 10 MHz 100 MHz
Frequency
PE-65555
PE-65554/65857
PE-65854
Typical common
mode attenuation
for low frequency
common mode
chokes based on
a 100 Ωsystem.
Typical common
mode attenuation
for high frequency
common mode
chokes based on
a 100 Ωsystem.
Typical impedance
for high frequency
common mode
chokes based on
a 100 Ωsystem.
Typical impedance
for low frequency
common mode
chokes based on
a 100 Ωsystem.
Part Number OCL Pri LLSec CW/WDCR Isolation Package/
(µH MAX) (pF MAX) (ΩMAX) (Vrms MIN) Schematic
PE-65541 6.0 mH MIN 35 25 1.40 1,500 IS-4/1C (Through Hole)
PE-65542 1.0 mH MIN 10 10 0.70 1,500 IS-4/1C (Through Hole)
PE-65853 E4.7 mH ±30% 1 60 1.20 500 PA-2/5C (Surface Mount)
PE-65950 E4.7 mH ±30% 1 50 1.00 500 IS-4/1C (Through Hole)
PE-68613 E4.7 mH ±30% 1 60 1.00 500 VC-1/5C (Through Hole)
PE-65554 24.0 µH MIN .20 15 0.30 500 IN-1/C (Through Hole)
PE-65555 8.0 µH MIN .20 10 0.25 500 IN-1/C (Through Hole)
PE-65854 F47.0 µH MIN .18 20 0.40 500 SH-4/C (Surface Mount)
PE-65857 22.5 µH MIN .23 17 0.30 500 LA-1/C (Surface Mount)
NOTE: For additional Common Mode Chokes, refer to data sheet G002.
ISDN S-INTERFACE TRANSFORMERS
Common Mode Chokes for
Telecom Applications
USA 858 674 8100
••
UK 44 1483 401 700
••
France 33 3 84 35 04 04
••
Singapore 65 6287 8998
••
Shanghai
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••
China 86 769 5538070
••
Taiwan 886 2 26980228
www.pulseeng.com
7 T604.D (1/06)
ISDN S-INTERFACE TRANSFORMERS
Common Mode Chokes for
Telecom Applications
Mechanicals
Schematics
.400 MAX
10,16
1
2
4
5
10
9
7
6
PE-XXXXX
Date Code
Country of
Origin
.115 ± .010
2,92 ± 0,25
.200
5,08
C
L
C
L
.500 MAX
12,70
.505 MAX
12,83
.400
10,16
.300
7,62
.100
2,54
8765
1234
PE-XXXXX
Date Code
Country of Origin
.595 MAX
15,11
.480 MAX
12,20
.130 ± .010
3,30 ± 0,25
.300
7,62
.100
2,54
C
L
C
L
.300
7,62
MAX
.130 ± .010
3,30 ± 0,25
.400 MAX
10,20
.558 MAX
14,20
1
3
5
7
2
4
6
8
PE-XXXXX
Date Code
Country of
Origin
.558 MAX
14,20
.200
5,10
C
L
C
L
.400
10,20
.400
10,20
.270
6,86
.050
1,27
.300
7,62
.100
2,54
SUGGESTED PAD LAYOUT
.098
2,49 MAX
.100
2,54
85
14
PE-XXXXX
Date Code
Country of Origin
.360
9,14 MAX
.340
8,64 MAX
.004/0,10
.070
1,78
.030
0,76
.600
15,24
.200
5,08
.072
1,83
.100
2,54
PE-65853
Date Code
Country of
Origin
10 6
15
.550 MAX
13,97
.720 MAX
18,29
.530 MAX
13,46
.010 / .020
0,25 / 0,51
.390 MAX
9,91
SUGGESTED PAD LAYOUT
.004/0,10
.400
10,16
.760
19,30
.520
13,20 .200
5,08
.120 TYP
3,05
.050 TYP
1,30
.100
2,54
.040 / .050
1,01 / 1,27
10
1
9
2
7
4
6
5
5C
1
8
2
7
3
6
4
5
C
1
2
3
4
5
6
7
8
1C
.030
0,76
PE-XXXXX
Date Code
Country ofOrigin
85
14
.100
2,54
.085
2,16
.600 MAX
15,24
.475 MAX
12,06
.475 MAX
12,06
.340 MAX
8,64
SUGGESTED PAD LAYOUT
.300
7,62
.640
16,26
.400
10,16
.120
3,05
.050 TYP
1,27
.100 TYP
2,54
.004/0,10
.040 / .050
1,02 / 1,27
Dimensions: Inches
mm
Unless otherwise specified all tolerances are ±.010
0,25
See page 4 for packaging information.
See page 4 for packaging information.
See page 4 for packaging information.See page 4 for packaging information.
See page 4 for packaging information.
See page 4 for
packaging information.
IN-1VC-1
SH-4 IS-4
LA-1
PA-2
www.pulseeng.com
T604.D (1/06)
For More Information:
Pulse Worldwide
Headquarters
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
Pulse
Northern Europe
3 Huxley Road
Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
Pulse
Southern Europe
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
Pulse South Asia
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 6287 8998
FAX: 65 6280 0080
Pulse North Asia
3F-4, No. 81, Sec. 1
Hsin Tai Wu Road
Hsi-Chih
Taipei Hsien
Taiwan
TEL: 886 2 26980228
FAX: 886 2 26980948
Pulse
China Headquarters
No. 1
Industrial District
Changan, Dongguan
China
TEL: 86 769 5538070
FAX: 86 769 5538870
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
© Copyright, 2006. Pulse Engineering, Inc. All rights reserved.
Pulse North China
Room 1002
No. 819
Nanjing West Rd
Shanghai
China
TEL: 86 21 32181071
FAX: 86 21 32181396