TDG HOLDING CO., LTD.
天通控股股½有限公司
Revision:
Control No.:
A7
TMAX-1040-XXX-M Molded Power Inductor
Features
Low profile
Low core loss and low DCR
High rated current
High performance (Isat) realized by metal dust core
RoHS compliant and Halogen Free
Low EMI and low noise
Applications
Voltage Regulator Module
DC/DC converters
Thin type on-board power supply module for exchanger
Graphics cards
Laptops and PCs
SSD modules
Product Description
TMAX - 1040
- 1R0 -
M
Tolerance
Inductance
Dimensions
Product Series
M=±20%
1R0=1.0μH
Dimensions
in millimeters
A
B
C
D
E
F
11.5 Max
10.0±0.3
4.0 Max.
3.0±0.5
2.0±0.5
0~0.15
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TDG HOLDING CO., LTD.
天通控股股½有限公司
Recommend Land Pattern Dimensions
in millimeters
13.6
4.1
5.4
Revision:
Control No.:
A7
Marking
The inductor is marked with a 6-digit code by ink.
For example: 1R0→ 1.0μH, R10→ 0.1μH.
1R0
xxx
Specifications
Part No.
R10
xxx
Inductance: 0.1μH
Week: 01-53
Year: 2017=7
Saturation
Inductance
DCR (mΩ)
Current
Isat (Amps.)
Heat Rating
Current
Idc (Amps.)
L0(μH)
TMAX-1040-R22-M
TMAX-1040-R36-M
TMAX-1040-R47-M
TMAX-1040-R56-M
TMAX-1040-R68-M
TMAX-1040-1R0-M
TMAX-1040-1R5-M
TMAX-1040-2R2-M
TMAX-1040-3R3-M
TMAX-1040-4R7-M
TMAX-1040-6R8-M
TMAX-1040-100-M
TMAX-1040-150-M
TMAX-1040-220-M
TMAX-1040-330-M
TMAX-1040-470-M
TMAX-1040-560-M
TMAX-1040-680-M
TMAX-1040-101-M
0.22
0.36
0.47
0.56
0.68
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
56
68
100
Tolerance
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
Typ.
0.8
1.13
1.5
1.68
2.17
2.7
3.8
6.8
10.5
15
22.5
25
37
55
78
126
159
166
305
Max.
1.0
1.25
1.7
1.85
2.4
3.3
4.2
8.0
11.8
19
25
30
45
66
92
145
182
195
350
Typ.
60
60
40
40
39
36
26
18
16
14
12
8.5
7.0
6.0
5.0
4.0
3.8
3.5
3.0
Typ.
35
32
30
27
24
19
17
12
10
9.5
8.0
7.8
6.5
5.0
4.4
3.3
3.0
2.5
2.2
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3 / 14
TDG HOLDING CO., LTD.
天通控股股½有限公司
Revision:
Control No.:
A7
Notes:
1. All test data is referenced to 23±3 °C and 45%RH to 70%RH ambient.
2. Test Instruments：3260B LCR Meter, 3265B Bias Current Source（100kHz,1V）
，EUCOL-U2516B
DC Low ohm meter.
3. Operating temperature range - 55 °C to + 125 °C（ambient + self-temp. rise）.
4. Isat: DC current (A) that will cause L
0
to drop approximately 30 %.
5. Idc: DC current (A) that will cause an approximate ΔT of 40 °C.
6. The part temperature (ambient + temp. rise) should not exceed 125 °C under worst case operating
conditions. Circuit design, component placement, PWB trace size and thickness, airflow and other
cooling provisions all affect the part temperature. Part temperature should be verified in the end
application.
7. The rated current as listed is either the saturation current or the heat rating current depending on
which value is lower.
Inductance and Temperature Rise vs. DC Current
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