www.murata-ps.com
1000 Series
Pulse Transformers
SELECTION GUIDE
1
Pin Connection Style
A
B
B
B
B
B
A
A
C
B
B
A
mH
1001C
1002C
1:1
1:1:1
2:1:1
1:1:1
1:1:1
1:1:1
1:1
1:1
3.0
3.0
12
7.4
22
3.0
3.0
0.8
8.8
24
6.0
6.1
Vμs
200
200
400
310
550
200
200
130
340
570
285
280
μH
22
9
35
20
85
3
22
4
60
70
30
-
pF
23
28
30
55
18
280
23
20
25
20
30
6
Ω
1.2
1.4
4.0
2.9
10.6
1.3
1.2
0.4
2.5
7.5
4.0
0.7
Ω
1.0
1.3
1.8
2.5
8.9
1.3
1.0
0.3
2.5
3.5
4.0
0.1
Ω
-
1.7
2.4
3.4
12.2
1.3
-
-
-
4.5
4.0
-
Vrms
2000
2000
2000
2000
2000
500V
DC
3500
4000
2000
2000
2000
2000
FEATURES
RoHS compliant
UL 94V-0 Package Material
Isolation to 4kVrms
Compact Footprint
PCB Mounting
Backward compatible with
Sn/Pb soldering systems
1003C
1007C
1009C
1013C
1016C
1017C
1024C
1.2CT:1CT
1025C
2:1:1
1:1:1
100:1
DESCRIPTION
The 1000 series are intended for wideband and
pulse operations. They are also suitable for signal
isolation and use in small isolated power supplies.
The compact footprint makes them ideal for
applications where space is at a premium.
1026C
1082C
ABSOLUTE MAXIMUM RATINGS
Operating free air temperature range
Storage temperature range
0°C to 70°C
-60°C to 125°C
SOLDERING INFORMATION
1
Peak wave solder temperature
Pin finish
1 For further information, please visit www.murata-ps.com/rohs
All specifications typical at T
A
=25°C.
300˚C for 10 seconds
Matte tin
TUBE DIMENSIONS
0.60±0.15 (0.024±0.006)
17.00
(0.669)
8.00 (0.315)
All dimensions in mm (inches).
Tube length: 480±2mm (18.9±0.08)
Tube quantity: 30
7.00
(0.276)
24.00 (0.945)
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
KMP_1000C_B03
Page 1 of 2
Mechanical
Dimensions
2
1
1
1
1
1
2
2
1
1
1
2
Order
Code
Turns
Ratio
±2%
Isolation Voltage
Max.
Interwinding
Capacitance
Max.
DC Resistance
Primary Winding
Max.
DC Resistance
Secondary 1
winding
Max.
DC Resistance
Secondary 2
winding
Max. Leakage
Inductance
Min. Primary
Inductance
Min. Primary
Constant, E
T
1000 Series
Pulse Transformers
PIN CONNECTIONS
(TOP VIEW)
MECHANICAL DIMENSIONS
2
Pri
1
1
15.06 (0.593)
2
15.06
(0.593)
15.06 (0.593)
A
Sec
6
5
1003C
YYWW
1001C
YYWW
15.06
(0.593)
2
Pri
1
15.75±0.50
(0.620±0.02)
15.75±0.50
(0.620±0.02)
B
4
S2
6
S1
3
20.5
(0.807)
20.5
(0.807)
5
Ø0.71±0.05
(Ø0.028±0.002)
Ø0.71±0.05
(Ø0.028±0.002)
2
Sec
Pri
1
5.08 (0.20)
C
4
3
5.08 (0.20)
10.16 (0.40)
6
5
10.16 (0.40)
All dimensions in mm (inches). Package weight: 8.0g Typ.
10.16 (0.40)
TECHNICAL NOTES
ISOLATION
VOLTAGE
‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Voltage’, ‘Dielectric Withstand Voltage’ & ‘Isola-
tion Test Voltage’ are all terms that relate to the same thing, a test voltage, applied for a specified time,
across a component designed to provide electrical isolation, to verify the integrity of that isolation.
All products in this series are 100% production tested at their stated isolation voltage.
A question commonly asked is, “What is the continuous voltage that can be applied across the part in
normal operation?”
For a part holding no specific agency approvals both input and output should normally be maintained
within SELV limits i.e. less than 42.4V peak, or 60VDC. The isolation test voltage represents a measure
of immunity to transient voltages and the part should never be used as an element of a safety isolation
system. The part could be expected to function correctly with several hundred volts offset applied
continuously across the isolation barrier; but then the circuitry on both sides of the barrier must be
regarded as operating at an unsafe voltage and further isolation/insulation systems must form a barrier
between these circuits and any user-accessible circuitry according to safety standard requirements.
REPEATED HIGH-VOLTAGE ISOLATION TESTING
It is well known that repeated high-voltage isolation testing of a barrier
component can actually degrade isolation capability, to a lesser or great-
er degree depending on materials, construction and environment. While
parts can be expected to withstand several times the stated test voltage,
the isolation capability does depend on the insulative materials used.
Such materials are susceptible to chemical degradation when subject
to very high applied voltages. We therefore strongly advise against
repeated high voltage isolation testing, but if it is absolutely required,
that the voltage be reduced by 20% from specified test voltage.
This consideration equally applies to agency recognized parts rated for
better than functional isolation where wire enamel insulation is always
supplemented by a further insulation system of physical spacing or
barriers.
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
© 2011 Murata Power Solutions, Inc.
www.murata-ps.com/support
KMP_1000C_B03
Page 2 of 2
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