Spec No.: JELF243A_0122J-01
P1/9
CHIP COILS (CHIP INDUCTORS) LQH5BPN□□□□38□ REFERENCE SPECIFICATION
1. Scope
This reference specification applies to chip coils (chip inductors) LQH5BPN_38 series for general electronic equipment.
2. Part Numbering
(Ex.)
LQ
H
Product ID Structure
5B
P
N
220
Dimension
(L × W)
Application and
characteristic
Category
M
38
L
Inductance Tolerance Dimension
Packaging
(T)
L: ø180 taping
K: ø330 taping
3. Part Number and Rating
Operating temperature range
(ambient temperature not including self-temperature rise)
-40°C to +85°C
(product temperature including self-temperature rise)
-40°C to +125°C
Storage temperature range
-40°C to +85°C
Inductance
Customer
Part number
Murata
Part number
LQH5BPN1R0N38L
Nominal
value
(μH)
Tolerance
(%)
1.0
N: ±30
DC
Self-resonant
resistance
frequency
(Ω)
(MHz min.)
0.012±20%
54
Rated current
(mA)*3
Based on
inductance
change*1
Based on
temperature
rise*2
7000
4600
LQH5BPN1R0N38K
1.0
N: ±30
0.012±20%
54
7000
4600
LQH5BPN1R5N38L
1.5
N: ±30
0.014±20%
50
6500
4500
LQH5BPN1R5N38K
1.5
N: ±30
0.014±20%
50
6500
4500
LQH5BPN2R2N38L
2.2
N: ±30
0.016±20%
45
5000
4300
LQH5BPN2R2N38K
2.2
N: ±30
0.016±20%
45
5000
4300
LQH5BPN3R3N38L
3.3
N: ±30
0.021±20%
25
4000
4000
LQH5BPN3R3N38K
3.3
N: ±30
0.021±20%
25
4000
4000
LQH5BPN4R7N38L
4.7
N: ±30
0.026±20%
17
3500
3800
LQH5BPN4R7N38K
4.7
N: ±30
0.026±20%
17
3500
3800
LQH5BPN6R8M38L
6.8
M: ±20
0.039±20%
15
3000
3000
LQH5BPN6R8M38K
6.8
M: ±20
0.039±20%
15
3000
3000
LQH5BPN100M38L
10
M: ±20
0.056±20%
13
2600
2200
LQH5BPN100M38K
10
M: ±20
0.056±20%
13
2600
2200
LQH5BPN150M38L
15
M: ±20
0.08±20%
10
1800
1900
LQH5BPN150M38K
15
M: ±20
0.08±20%
10
1800
1900
LQH5BPN220M38L
22
M: ±20
0.11±20%
8.0
1600
1500
LQH5BPN220M38K
22
M: ±20
0.11±20%
8.0
1600
1500
LQH5BPN330M38L
33
M: ±20
0.15±20%
6.5
1300
1300
LQH5BPN330M38K
33
M: ±20
0.15±20%
6.5
1300
1300
LQH5BPN470M38L
47
M: ±20
0.22±20%
6.0
1100
1100
LQH5BPN470M38K
47
M: ±20
0.22±20%
6.0
1100
1100
LQH5BPN680M38L
68
M: ±20
0.33±20%
5.0
900
930
LQH5BPN680M38K
68
M: ±20
0.33±20%
5.0
900
930
LQH5BPN101M38L
100
M: ±20
0.48±20%
4.0
750
740
LQH5BPN101M38K
100
M: ±20
0.48±20%
4.0
750
740
LQH5BPN151M38L
150
M: ±20
0.68±20%
3.5
650
630
LQH5BPN151M38K
150
M: ±20
0.68±20%
3.5
650
630
MURATA MFG CO., LTD
Spec No.: JELF243A_0122J-01
P2/9
Inductance
Customer
Part number
Murata
Part number
Nominal
value
(μH)
Tolerance
(%)
DC
Self-resonant
resistance
frequency
(Ω)
(MHz min.)
Rated current
(mA)*3
Based on
inductance
change*1
Based on
temperature
rise*2
*1 When rated current is applied to the products, inductance will be within ±30% of initial inductance value range.
*2 When rated current is applied to the products, temperature rise caused by self-generated heat shall be limited to 40°C max.
*3 Keep the temperature (ambient temperature plus self-generation of heat) under 125°C.
4. Testing Conditions
Unless otherwise specified
Temperature: ordinary temperature (15°C to 35°C)
Humidity: ordinary humidity [25% to 85% (RH)]
In case of doubt
Temperature: 20°C±2°C
Humidity: 60% to 70% (RH)
Atmospheric pressure: 86 kPa to 106 kPa
5. Appearance and Dimensions
Unit mass (typical value): 0.35 g
6. Marking
No marking.
7. Electrical Performance
No.
Item
7.1
Inductance
Specification
Meet chapter 3 ratings.
Test method
Measuring equipment: Keysight 4192A or the
equivalent
Measuring frequency: 100 kHz
7.2
DC resistance
Meet chapter 3 ratings.
Measuring equipment: digital multimeter
7.3
Self-resonant
frequency
Meet chapter 3 ratings.
Measuring equipment: Keysight E4991A or the
equivalent
MURATA MFG CO., LTD
Spec No.: JELF243A_0122J-01
P3/9
8. Mechanical Performance
No.
Item
8.1
Shear test
Specification
No significant mechanical damage or no
sign of electrode peeling off shall be
observed.
Test method
Test substrate: glass-epoxy substrate
Force application direction:
Applying force: 10 N
Holding time: 5 s±1 s
8.2
Bending test
No significant mechanical damage or no
sign of electrode peeling off shall be
observed.
Test substrate: glass-epoxy substrate (100 mm × 40
mm × 1.0 mm)
Pressurizing speed: 0.5 mm/s
Deflection: 2 mm
Holding time: 5 s
8.3
Vibration
Appearance shall have no significant
mechanical damage.
Oscillation frequency: 10 Hz to 2000 Hz to 10 Hz, for
approx. 20 min
Total amplitude: total amplitude of 1.5 mm or
acceleration amplitude of 98 m/s2, whichever is smaller
Test time: 3 directions perpendicular to each other, 2 h
for each direction (6 h in total)
8.4
Solderability
90% or more of the outer electrode shall
be covered with new solder seamlessly.
Flux: immersed in ethanol solution with a rosin content
of 25(wt)% for 5 s to 10 s
Solder: Sn-3.0Ag-0.5Cu solder
Pre-heating: 150°C±10°C/60 s to 90 s
Solder temperature: 240°C±5°C
Immersion time: 3 s±1 s
8.5
Resistance to
soldering heat
Appearance: No significant mechanical
damage shall be observed.
Inductance change rate: within ±10%
Flux: immersed in ethanol solution with a rosin content
of 25(wt)% for 5 s to 10 s
Solder: Sn-3.0Ag-0.5Cu solder
Pre-heating: 150°C±10°C/60 s to 90 s
Solder temperature: 270°C±5°C
Immersion time: 10 s±1 s
Post-treatment: left at a room condition for 24 h±2 h
MURATA MFG CO., LTD
Spec No.: JELF243A_0122J-01
P4/9
9. Environmental Performance
The product is soldered on a substrate for test.
No.
Item
Specification
Test method
9.1
Heat resistance
Appearance: No significant mechanical Temperature: 85°C±2°C
damage shall be observed.
Test time: 1000 h (+48 h, -0 h)
Inductance change rate: within ±10%
Post-treatment: left at a room condition for 24 h±2 h
9.2
Cold resistance
Appearance: No significant mechanical Temperature: -40°C±2°C
damage shall be observed.
Test time: 1000 h (+48 h, -0 h)
Inductance change rate: within ±10%
Post-treatment: left at a room condition for 24 h±2 h
9.3
Humidity
Appearance: No significant mechanical Temperature: 70°C±2°C
damage shall be observed.
Humidity: 90% (RH) to 95% (RH)
Inductance change rate: within ±10%
Test time: 1000 h (+48 h, -0 h)
Post-treatment: left at a room condition for 24 h±2 h
9.4
Temperature cycle Appearance: No significant mechanical Single cycle conditions:
damage shall be observed.
Step 1: -40°C±2°C/30 min±3 min
Inductance change rate: within ±10%
Step 2: ordinary temperature/10 min to 15 min
Step 3: +85°C±2°C/30 min±3 min
Step 4: ordinary temperature/10 min to 15 min
Number of testing: 10 cycles
Post-treatment: left at a room condition for 24 h±2 h
10. Specification of Packaging
10.1 Appearance and dimensions of tape (12 mm width/plastic tape)
A
5.3±0.1
B
5.3±0.1
t
4.2±0.1
t'
(0.4)
(in mm)
* The dimensions of the cavity are measured at its bottom.
10.2 Taping specifications
Packing quantity
(Standard quantity)
ø180 mm reel: 400 pcs/reel
ø330 mm reel: 1500 pcs/reel
Packing method
The products are placed in embossed cavities of a plastic tape and sealed by a cover tape.
Feed hole position
The feed holes on the plastic tape are on the right side when the cover tape is pulled toward the user.
Joint
The plastic tape and the cover tape are seamless.
Number of missing
products
Number of missing products within 0.025% of the number per reel or 1 pc., whichever is greater, and
are not continuous. The specified quantity per reel is kept.
MURATA MFG CO., LTD
Spec No.: JELF243A_0122J-01
P5/9
10.3 Break down force of tape
Break down force of plastic tape
10 N min.
Break down force of cover tape
5 N min.
10.4 Peeling off force of cover tape
Speed of peeling off
300 mm/min
Peeling off force
165 to 180 degree
0.2 N to 0.7 N (The lower limit is for typical value.)
F
Cover tape
Plastic tape
10.5 Dimensions of leader section, trailer section and reel
A vacant section is provided in the leader (start) section and trailer (end) section of the tape for the product. The leader
section is further provided with an area consisting only of the cover tape. (See the diagram below.)
• Packaging: L (ø180 mm reel)
• Packaging: K (ø330 mm reel)
10.6 Marking for reel
Customer part number, Murata part number, inspection number (*1), RoHS marking (*2), quantity, etc.
*1 Expression of inspection No.: (1) Factory code
□□
○○○○
(2) Date
First digit: year/last digit of year
(1)
(2)
(3)
Second digit: month/Jan. to Sep.→1 to 9, Oct. to Dec.→O, N, D
Third, Fourth digit: day
(3) Serial No.
*2 Expression of RoHS marking: (1) RoHS regulation conformity
ROHSY
()
(2) Murata classification number
(1)
(2)
MURATA MFG CO., LTD
Spec No.: JELF243A_0122J-01
P6/9
10.7 Marking on outer box (corrugated box)
Customer name, purchasing order number, customer part number, Murata part number, RoHS marking (*2), quantity, etc.
10.8 Specification of outer box
Reel
D
W
11.
Standard reel quantity
in outer box (reel)
W
D
H
ø180 mm
186
186
93
4
ø330 mm
340
340
95
4
Label
H
Dimensions of outer box
(mm)
* Above outer box size is typical. It depends on a quantity of an
order.
Caution
11.1 Restricted applications
Restricted
applications
Please contact us before using our products for the applications listed below which require especially high
reliability for the prevention of defects which might directly cause damage to the third party's life, body or
property.
(1) Aircraft equipment
(2) Aerospace equipment
(3) Undersea equipment
(4) Power plant control equipment
(5) Medical equipment
(6) Transportation equipment (vehicles, trains, ships, etc.)
(7) Traffic signal equipment
(8) Disaster/crime prevention equipment
(9) Data-processing equipment
(10) Applications of similar complexity and/or reliability requirements
to the applications listed in the above
11.2 Corrosive gas
Please refrain from use since contact with environments with corrosive gases (sulfur gas [hydrogen sulfide, sulfur dioxide,
etc.], chlorine, ammonia, etc.) or oils (cutting oil, silicone oil, etc.) that have come into contact with the previously stated
corrosive gas environment will result in deterioration of product quality or an open from deterioration due to corrosion of
product electrode, etc. We will not bear any responsibility for use under these environments.
12. Precautions for Use
This product is for use only with reflow soldering. It is designed to be mounted by soldering. If you want to use other
mounting method, for example, using a conductive adhesive, please consult us beforehand.
12.1 Land dimensions
The following diagram shows the recommended land dimensions for reflow soldering.
The land dimensions are designed in consideration of electrical characteristics and mountability. Use of other land
dimensions may preclude achievement of performance. In some cases, it may result in poor solderability, including positional
shift. If you use other land pattern, consider it adequately.
(in mm)
MURATA MFG CO., LTD
Spec No.: JELF243A_0122J-01
P7/9
12.2 Flux and solder used
Flux
• Use a rosin-based flux.
• Do not use a highly acidic flux with a halide content exceeding 0.2(wt)% (chlorine conversion value).
• Do not use a water-soluble flux.
Solder
• Use Sn-3.0Ag-0.5Cu solder.
• Standard thickness of solder paste: 100 μm to 150 μm
If you want to use a flux other than the above, please consult our technical department.
12.3 Soldering conditions (reflow)
• Pre-heating should be in such a way that the temperature difference between solder and product surface is limited to
100°C max.
Cooling into solvent after soldering also should be in such a way that the temperature difference is limited to 100°C max.
Insufficient pre-heating may cause cracks on the product, resulting in the deterioration of product quality.
• Standard soldering profile and the limit soldering profile is as follows.
The excessive limit soldering conditions may cause leaching of the electrode and/or resulting in the deterioration of
product quality.
Temp.
(℃)
260℃
245℃±3℃
220℃
230℃
Limit Profile
180
150
Standard Profile
30s~60s
60s max.
90s±30s
Time. (s)
Standard profile
Limit profile
Pre-heating
150°C to 180°C/90 s±30 s
150°C to 180°C/90 s±30 s
Heating
Above 220°C/30 s to 60 s
Above 230°C/60 s max.
245°C±3°C
260°C/10 s
2 times
2 times
Peak temperature
Number of reflow cycles
12.4 Reworking with soldering iron
The following requirements must be met to rework a soldered product using a soldering iron.
Item
Requirement
Pre-heating
150°C/approx. 1 min
Tip temperature of soldering iron
380°C max.
Power consumption of soldering iron
80 W max.
Tip diameter of soldering iron
Soldering time
Number of reworking operations
ø3 mm max.
3 s (+1 s, -0 s)
2 times max.
* Avoid a direct contact of the tip of the soldering iron with the product. Such a
direction contact may cause cracks in the ceramic body due to thermal shock.
12.5 Solder volume
Solder shall be used not to increase the volume too much.
An increased solder volume increases mechanical stress on the product. Exceeding solder volume may cause the failure of
mechanical or electrical performance.
MURATA MFG CO., LTD
Spec No.: JELF243A_0122J-01
P8/9
12.6 Product's location
The following shall be considered when designing and laying out PCBs.
(1) PCB shall be designed so that products are not subject to mechanical stress due to warping the board.
[Products direction]
Products shall be located in the sideways direction to the mechanical stress.
Electrode
(Poor example)
(Good example)
Electrode
(2) Components location on PCB separation
It is effective to implement the following measures, to reduce stress in separating the board.
It is best to implement all of the following three measures; however, implement as many measures as possible to reduce
stress.
Contents of measures
Stress level
(1) Turn the mounting direction of the component parallel to the
board separation surface.
A > D*1
(2) Add slits in the board separation part.
A>B
(3) Keep the mounting position of the component away from the
board separation surface.
A>C
*1 A > D is valid when stress is added vertically to the perforation as with hand separation.
If a cutting disc is used, stress will be diagonal to the PCB, therefore A > D is invalid.
Electrode
Perforation
A
C
B
Slit
D
Electrode
(3) Mounting components near screw holes
When a component is mounted near a screw hole, it may be affected by the board deflection that occurs during the
tightening of the screw.
Mount the component in a position as far away from the screw holes as possible.
Screw Hole
Recommended
12.7 Handling of substrate
After mounting products on a substrate, do not apply any stress to the product caused by bending or twisting to the substrate
when cropping the substrate, inserting and removing a connector from the substrate or tightening screw to the substrate.
Excessive mechanical stress may cause cracking in the product.
Bending
Twisting
MURATA MFG CO., LTD
Spec No.: JELF243A_0122J-01
P9/9
12.8 Cleaning
The product shall be cleaned under the following conditions.
(1) The cleaning temperature shall be 60°C max. If isopropyl alcohol (IPA) is used, the cleaning temperature shall be 40°C
max.
(2) Perform ultrasonic cleaning under the following conditions. Exercise caution to prevent resonance phenomenon in
mounted products and the PCB.
Item
Requirement
Power
Time
20 W/L max.
5 min max.
Frequency
28 kHz to 40 kHz
(3) Cleaner
Alcohol-based cleaner: IPA
Aqueous agent: PINE ALPHA ST-100S
(4) There shall be no residual flux or residual cleaner. When using aqueous agent, rinse the product with deionized water
adequately and completely dry it so that no cleaner is left.
* For other cleaning, consult our technical department.
12.9 Storage and transportation
Storage period
Use the product within 12 months after delivery.
If you do not use the product for more than 12 months, check solderability before using it.
Storage conditions
• The products shall be stored in a room not subject to rapid changes in temperature and humidity.
The recommended temperature range is -10°C to +40°C. The recommended relative humidity
range is 15% to 85%.
Keeping the product in corrosive gases, such as sulfur, chlorine gas or acid, oxidizes the
electrode, resulting in poor solderability or corrosion of the coil wire of the product.
• Do not keep products in bulk packaging. Doing so may cause collision between the products or
between the products and other products, resulting in core chipping or wire breakage.
• Do not place the products directly on the floor; they should be placed on a palette so that they are
not affected by humidity or dust.
• Avoid keeping the products in a place exposed to direct sunlight, heat or vibration.
Transportation
Excessive vibration and impact reduces the reliability of the products. Exercise caution when
handling the products.
12.10 Resin coating
The inductance value may change due to high cure-stress of resin to be used for coating/molding products.
A wire breakage issue may occur by mechanical stress caused by the resin, amount/cured shape of resin, or operating
condition etc. Some resin contains some impurities or chloride possible to generate chlorine by hydrolysis under some
operating condition may cause corrosion of wire of coil, leading to wire breakage.
So, please pay your careful attention when you select resin in case of coating/molding the products with the resin.
Prior to use the coating resin, please make sure no reliability issue is observed by evaluating products mounted on your
board.
12.11 Handling of product
• Sharp material such as a pair of tweezers or other material such as bristles of cleaning brush, shall not be touched to the
winding portion to prevent the breaking of wire.
• Mechanical shock should not be applied to the products mounted on the board to prevent the breaking of the core.
13.
Note
(1) Please make sure that your product has been evaluated in view of your specifications with our product being mounted to
your product.
(2) You are requested not to use our product deviating from the agreed specifications.
(3) The contents of this reference specification are subject to change without advance notice. Please approve our
product specifications or transact the approval sheet for product specifications before ordering.
MURATA MFG CO., LTD