P1
TAI-TECH
Power Inductor
AHP252012TF-SERIES
ECN HISTORY LIST
REV
DATE
DESCRIPTION
APPROVED
CHECKED
DRAWN
1.0
15/03/12
新 發 行
楊祥忠
詹偉特
林宜蕰
備
註
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P2
TAI-TECH
Power Inductor
AHP252012TF-SERIES
1. Features
1. This specification applies Low Profile Power Inductors.
2. 100% Lead(Pb) & Halogen-Free and RoHS compliant.
2. Dimension
Halogen
Pb
Halogen-free
Pb-free
B
A
D
E
D
C
Series
A(mm)
B(mm)
C(mm)
D(mm)
E(mm)
AHP252012TF
2.5 -0.1/+0.2
2.0 -0.1/+0.2
1.2Max
0.85 ref. 0.80 ref.
Units: mm
3. Part Numbering
AHP
A
252012 TF
B
-
R33
M
D
E
C
A: Series
B: Dimension
C: Lead Free
Material
D: Inductance
E: Inductance Tolerance
R33=0.33uH
M=±20%
4. Specification
TAI-TECH
Part Number
Test
Inductance Tolerance
Frequency
(uH)
(%)
(Hz)
DCR
(Ω) typ.
DCR
(Ω) Max.
I sat
(A) typ.
I sat
(A) Max.
I rms
(A) typ
I rms
(A)Max
AHP252012TF-R24M
0.24
±20%
1V/1M
0.021
0.027
7.80
6.50
4.70
4.05
AHP252012TF-R33M
0.33
±20%
1V/1M
0.025
0.032
6.20
5.30
4.30
3.70
AHP252012TF-R47M
0.47
±20%
1V/1M
0.029
0.037
5.60
4.90
4.00
3.45
AHP252012TF-R68M
0.68
±20%
1V/1M
0.036
0.046
4.30
3.70
3.60
3.15
AHP252012TF-1R0M
1.0
±20%
1V/1M
0.048
0.058
4.20
3.60
3.40
3.00
AHP252012TF-1R5M
1.5
±20%
1V/1M
0.060
0.072
3.50
2.80
2.80
2.40
AHP252012TF-2R2M
2.2
±20%
1V/1M
0.100
0.120
3.00
2.60
2.15
1.90
Note:
Isat:Based on inductance change (△L/L0:≦-30%)@ ambient temp. 25℃
Irms:Based on temperature rise (△T:40℃.)Max
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P3
TAI-TECH
AHP252012TF-R24
0.4
0.45
Inductance(uH)
Inductance(uH)
0.3
0.2
0
0
0
2
4
6
8
DCcurrent(A)
0
10
AHP252012TF-R47
0.8
4
6
8
DCcurrent(A)
10
AHP252012TF-R68
Inductance(uH)
0.9
0.4
0.2
0.6
0.3
0
0
0
1.5
3
DCcurrent(A)
4.5
6
0
AHP252012TF-1R0
2
1.5
3
DCcurrent(A)
4.5
6
3
4
AHP252012TF-1R5
2.5
2
Inductance(uH)
1.5
1
0.5
1.5
1
0.5
0
0
0
1
2
3
DCcurrent(A)
4
5
2.4
3
0
AHP252012TF-2R2
4
3
Inductance(uH)
2
1.2
0.6
Inductance(uH)
0.3
0.15
0.1
Inductance(uH)
AHP252012TF-R33
0.6
2
1
0
0
0.6
1.2
1.8
DCcurrent(A)
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1
2
DCcurrent(A)
P4
TAI-TECH
5. Material List
No.
Description
Specification
a.
Core
Metal Magnetic Core
b.
Coating
Epoxy with Magnetic powder
c
Termination
Tin (Pb Free)
d
Wire
Enameled Copper Wire
Appearance of exposed wire tolerance limit:
1. Width direction(dimension a):Acceptable when a≦w/2
Nonconforming when a>w/2
2. Length direction(dimension b):Dimension b is not specified.
3. The total area of exposed wire occurring to each sides is
not greater than 50% of coating resin area, and is acceptable.
6. Reliability and Test Condition
Item
Operating Temperature
Performance
Test Condition
-40~+125℃
Storage Temperature
(on board)
Electrical Performance Test
Agilent-4291, Agilent-4287
Inductance L
Refer to standard electrical characteristic list
Agilent-4338
DC Resistance
Rated Current
Temperature Rise Test
Base on temp. rise & △L/L0A≦30%.
Saturation DC Current (Isat) will cause L0
to drop approximately △L(%).
ΔT 40℃Max
Heat Rated Current (Irms) will cause the coil temperature rise
approximately △T(℃) without core loss.
1.Applied the allowed DC current.
2.Temperature measured by digital surface thermometer
Mechanical Performance Test
Appearance:No damage.
Inductance:within±10% of initial value
Solder Heat Resistance
Temperature
(°C)
Time
(s)
Temperature
ramp/immersion
and
emersion
rate
260 ±5
(solder temp)
10 ±1
25mm/s±6 mm/s
RDC:within ±15% of initial value and shall not exceed the specification value
Depth: completely cover the termination
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Number
of heat
cycles
1
P5
TAI-TECH
Item
Solderability Test
Performance
More than 95% of terminal electrode should be covered with solder.
Test Condition
Preheat: 150℃,60sec.。
Solder: Sn99.5%-Cu0. 5%。
Temperature: 245±5℃。
Flux for lead free: Rosin. 9.5%。
Dip time: 4±1sec。
Depth: completely cover the termination
Reliability Test
Preconditioning:Run through IR reflow for 2 times.( IPC/JEDEC
J-STD-020DClassification Reflow Profiles
Temperature: 85±2℃
Life Test
Applied current:rated current
Duration:1000±12hrs
Measured at room temperature after placing for 24±2 hrs
Preconditioning:Run through IR reflow for 2 times.( IPC/JEDEC
J-STD-020DClassification Reflow Profiles
Step1:-40±2℃ 30±5min
Step2:25±2℃ ≦0.5min
Thermal shock
Step3:105±2℃ 30±5min
Appearance:No damage.
Inductance:within±10% of initial value
Number of cycles: 500
Measured at room temperature after placing for 24±2 hrs
RDC:within ±15% of initial value and shall not exceed the specification value
Preconditioning:Run through IR reflow for 2 times.( IPC/JEDEC
J-STD-020DClassification Reflow Profiles
Humidity:85±2﹪R.H,
Humidity Resistance Test
Temperature:85℃±2℃
Duration:1000hrs Min. with 100% rated current
Measured at room temperature after placing for 24±2 hrs
Preconditioning:Run through IR reflow for 2 times.( IPC/JEDEC
J-STD-020DClassification Reflow Profiles
Oscillation Frequency: 10~2K~10Hz for 20 minutes
Equipment: Vibration checker
Total Amplitude:1.52mm±10%
Testing Time : 12 hours(20 minutes, 12 cycles each of 3
orientations)。
Vibration Test
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TAI-TECH
7. Soldering and Mounting
7-1. Soldering
Mildly activated rosin fluxes are preferred. TAI-TECH terminations are suitable for all wave and re-flow soldering systems.
If hand soldering cannot be avoided, the preferred technique is the utilization of hot air soldering tools.
7-1.1 Solder re-flow:
Recommended temperature profiles for re-flow soldering in Figure 1.
7-1.2 Soldering Iron(Figure 2):
Products attachment with a soldering iron is discouraged due to the inherent process control limitations. In the event that
a soldering iron must be employed the following precautions are recommended.
‧Preheat circuit and products to 150℃
‧355℃ tip temperature (max)
‧Never contact the ceramic with the iron tip
‧1.0mm tip diameter (max)
‧Use a 20 watt soldering iron with tip diameter of 1.0mm
‧Limit soldering time to 4~5 sec.
7-2. Recommended PC Board Pattern
H
L
L(mm)
G(mm)
H(mm)
2.9
0.8
2.4
G
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P7
TAI-TECH
8. Packaging Information
8-1. Reel Dimension
C
B
D
A
Type
A(mm)
B(mm)
C(mm)
D(mm)
7”x8mm
8.4±1.0
50 min.
13±0.8
178±2
7"x8mm
8-2. Tape Dimension / 8mm
t
P
Ao
Bo
Po:4±0.1
W:8.0±0.1
P2:2±0.05
Series
Size
AHP
252012
Bo(mm) Ao(mm) Ko(mm) P(mm)
2.85±0.1
2.45±0.1
1.40±0.1
4.0±0.1
t(mm)
0.23±0.05
Ko
8-3. Packaging Quantity
Chip size
252012
Chip / Reel
2000
8-4. Tearing Off Force
F
Top cover tape
The force for tearing off cover tape is 15 to 80 grams
in the arrow direction under the following conditions.
165° to180°
Base tape
Room Temp.
Room Humidity
Room atm
Tearing Speed
(℃)
(%)
(hPa)
mm/min
5~35
45~85
860~1060
300
Application Notice
‧Storage Conditions(Component level)
To maintain the solderability of terminal electrodes:
1. TAI-TECH products meet IPC/JEDEC J-STD-020D standard-MSL, level 1.
2. Temperature and humidity conditions: Less than 40℃ and 60% RH.
3. Recommended products should be used within 12 months form the time of delivery.
4. The packaging material should be kept where no chlorine or sulfur exists in the air.
‧Transportation
1. Products should be handled with care to avoid damage or contamination from perspiration and skin oils.
2. The use of tweezers or vacuum pick up is strongly recommended for individual components.
3. Bulk handling should ensure that abrasion and mechanical shock are minimized.
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