Spec. No. JENF243A-0005X-01
Reference Only
Total page 2/16
P.1/10
Chip Ferrite Bead BLM21□□□□□□N1□
1. Scope
Reference Specification
This reference specification applies to Chip Ferrite Bead BLM21_□N Series.
2. Part Numbering
(ex.)
BL
M
21
AG
121
S
N
1
D
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(1)Product ID
(7)Category
(2)Type
(8)Numbers of Circuit
(9)Packaging
(3)Dimension (L×Ｗ)
(4)Characteristics
D:Taping(φ180mm Reel, Paper Tape)
(5)Typical Impedance at 100MHz
L:Taping(φ180mm Reel, Plastic Tape)
(6)Performance
B:Bulk
3. Rating
Customer
Part Number
Impedance ()
DC Resistance
Rated Current
(at 100MHz,Under Standard
() max.
(mA)(＊1)
MURATA
Testing Condition)
Initial
Values
Part Number
Values After
at
at
Typical
Testing
85℃ 125℃
BLM21PG220SN1D
*1
*1
22±25％
0.009
0.018
22
6000 3300
BLM21PG220SN1B
BLM21PG300SN1D
*1
*1
0.014
0.028
20 min.
30
4000 2300
BLM21PG300SN1B
BLM21PG600SN1D
*1
*1
60±25％
60
0.02
0.04
3500 1900
BLM21PG600SN1B
BLM21PG121SN1D
*1
*1
120±25％
120
0.03
0.06
3000 1550
BLM21PG121SN1B
BLM21PG221SN1D
*1
*1
220±25％
0.045
0.09
220
2000 1250
BLM21PG221SN1B
BLM21PG331SN1D
*1
*1
330±25％
0.07
0.14
330
1500 1000
BLM21PG331SN1B
BLM21SN300SN1D
*1
*1
30±10Ω
30
0.004
0.005
8500 6000
BLM21SN300SN1B
BLM21RK121SN1D
120±25%
120
200
0.15
0.25
BLM21RK121SN1B
BLM21RK221SN1D
220±25%
220
200
0.20
0.30
BLM21RK221SN1B
BLM21RK471SN1D
470±25%
470
200
0.25
0.35
BLM21RK471SN1B
BLM21RK601SN1D
600±25%
600
200
0.30
0.40
BLM21RK601SN1B
BLM21RK102SN1D
1000±25%
1000
200
0.50
0.60
BLM21RK102SN1B
BLM21BB050SN1D
5±25％
5
1000
0.02
0.04
BLM21BB050SN1B
BLM21BB600SN1D
60±25％
60
800
0.13
0.23
BLM21BB600SN1B
BLM21BB750SN1D
75±25％
75
700
0.16
0.26
BLM21BB750SN1B
BLM21BB121SN1D
120±25％
120
600
0.19
0.29
BLM21BB121SN1B
BLM21BD121SN1D
120±25％
120
350
0.25
0.35
BLM21BD121SN1B
Remark
For DC
power line
For
Digital
Interface
For
high speed
signal line
MURATA MFG.CO., LTD.
Spec. No. JENF243A-0005X-01
Reference Only
Total page 3/16
P.2/10
Customer
Part Number
MURATA
Part Number
Impedance ()
DC Resistance
(at 100MHz,Under Standard
() max.
Rated Current
Testing Condition)
Initial
Values
(mA)
Values After
Typical
Testing
150±25％
150±25％
200±25％
220±25％
220±25%
330±25％
330±25%
420±25%
470±25％
470±25%
600±25%
750±25%
1000±25%
1500±25%
1800±25%
1600 min.
2200±25%
2700±25%
120±25％
150±25％
220±25％
330±25％
470±25％
600±25％
1000±25％
150
150
200
220
220
330
330
420
470
470
600
750
1000
1500
1800
2250
2200
2700
120
150
220
330
470
600
1000
600
350
500
500
350
400
300
300
400
300
300
250
250
250
250
250
200
200
1000
1000
900
800
700
700
600
0.21
0.25
0.26
0.26
0.25
0.33
0.3
0.3
0.40
0.35
0.35
0.4
0.4
0.45
0.5
0.6
0.6
0.8
0.09
0.09
0.12
0.15
0.18
0.2
0.27
0.31
0.35
0.36
0.36
0.35
0.43
0.4
0.4
0.50
0.45
0.45
0.5
0.5
0.55
0.6
0.7
0.7
0.9
0.19
0.19
0.22
0.25
0.28
0.3
0.37
Remark
BLM21BB151SN1D
BLM21BB151SN1B
BLM21BD151SN1D
BLM21BD151SN1B
BLM21BB201SN1D
BLM21BB201SN1B
BLM21BB221SN1D
BLM21BB221SN1B
BLM21BD221SN1D
BLM21BD221SN1B
BLM21BB331SN1D
BLM21BB331SN1B
BLM21BD331SN1D
BLM21BD331SN1B
BLM21BD421SN1D
BLM21BD421SN1B
BLM21BB471SN1D
BLM21BB471SN1B
BLM21BD471SN1D
BLM21BD471SN1B
BLM21BD601SN1D
BLM21BD601SN1B
BLM21BD751SN1D
BLM21BD751SN1B
BLM21BD102SN1D
BLM21BD102SN1B
BLM21BD152SN1D
BLM21BD152SN1B
BLM21BD182SN1D
BLM21BD182SN1B
BLM21BD222SN1L
BLM21BD222SN1B
BLM21BD222TN1D
BLM21BD222TN1B
BLM21BD272SN1L
BLM21BD272SN1B
BLM21AG121SN1D
BLM21AG121SN1B
BLM21AG151SN1D
BLM21AG151SN1B
BLM21AG221SN1D
BLM21AG221SN1B
BLM21AG331SN1D
BLM21AG331SN1B
BLM21AG471SN1D
BLM21AG471SN1B
BLM21AG601SN1D
BLM21AG601SN1B
BLM21AG102SN1D
BLM21AG102SN1B
Operating Temperature : -55°C to +125°C
For
high speed
signal line
For
general
use
Storage Temperature : -55°C to +125°C
MURATA MFG.CO., LTD.
Spec. No. JENF243A-0005X-01
Reference Only
R a te d C u rre n t ( A )
85℃
x
P.3/10
(Note)As for Rated current marked with *1,
Rated Current is derated as right figure
depending on the operating temperature.
Describe the Rated current as x[A]
in case of more than 1A.
1
125℃
0
85
125
4. Style and Dimensions
L
W
T
E
:Electrode
Operating Temperature (°C)
■
Equivalent Circuit
(
Resistance element becomes
dominant at high frequencies.
)
■
Unit Mass (Typical value)
0.010g
0.014g ( for 21BD222SN1□/21BD272SN1□)
L
2.0±0.2
T
E
0.85±0.2
0.5±0.2
1.25±0.2 for 21BD222SN1□
21BD272SN1□ for 21BD272SN1□
1.25±0.2
0.3±0.2
(in mm)
W
5. Marking
No marking.
6.Standard Testing Conditions
Unless otherwise specified
Temperature : Ordinary Temp. (15 °C to 35 °C )
Humidity : Ordinary Humidity (25%(RH) to 85%(RH))
In case of doubt
Temperature : 20°C±2 °C
Humidity : 60%(RH) to 70%(RH)
Atmospheric pressure : 86kPa to 106kPa
7. Specifications
7-1.Electrical Performance
No.
Item
7-1-1 Impedance
7-1-2 DC Resistance
Specification
Meet item 3.
Meet item 3.
Test Method
Measuring Frequency : 100MHz±1MHz
Measuring Equipment : Agilent4291A or the equivalent
Test Fixture : Agilent16192A or the equivalent
Measuring Equipment : Digital multi meter
* Except resistance of the Substrate and Wire
7-2. Mechanical Performance
No.
Item
7-2-1 Appearance and
Dimensions
7-2-2 Bonding
Strength
Specification
Meet item 4.
Meet Table 1.
Table 1
Appearance
Impedance
Change
(at 100MHz)
DC
Resistance
No damage
Within ±30%
R0.5
Test Method
Visual Inspection and measured with Slide Calipers.
It shall be soldered on the substrate.
Applying Force(F) : 9.8N
Applying Time : 5s±1s
Applied
direction:Parallel to substrate
Side view
Ｆ
Ｆ
Meet item 3.
Substrate
MURATA MFG.CO., LTD.
Spec. No. JENF243A-0005X-01
No.
Item
7-2-3 Bending
Strength
Reference Only
Total page 5/16
P.4/10
Specification
Meet Table 1.
Test Method
It shall be soldered on the substrate.
Substrate: Glass-epoxy 100mm40mm1.6mm
Deflection: 1.0mm
Speed of Applying Force : 0.5mm/s
Pressure jig
Keeping Time : 30s
R340
F
Deflection
45mm
45mm
Product
7-2-4 Vibration
7-2-5 Resistance
to Soldering
Heat
Meet Table 2.
Table 2
Appearance
No damage
Impedance
Within ±30%
Change
(for BLM21SN
(at 100MHz) Within ±50%)
DC
Meet item 3.
Resistance
Products shall be no failure
after tested.
It shall be soldered on the substrate.
Oscillation Frequency : 10Hz to 55Hz to 10Hz for 1 min
Total Amplitude : 1.5mm
Testing Time : A period of 2 hours in each of 3 mutually
perpendicular directions. (Total 6 h)
Pre-Heating : 150°C±10°C, 60s½90s
Solder : Sn-3.0Ag-0.5Cu
Solder Temperature : 270°C±5°C
Immersion Time : 10s±0.5s
Immersion and emersion rates : 25mm/s
Then measured after exposure in the room condition
for 48h±4h.
7-2-6 Drop
7-2-7 Solderability
The electrodes shall be at
least 95% covered with new
solder coating.
It shall be dropped on concrete or steel board.
Method : free fall
Height : 75cm
Attitude from which the product is dropped : 3 direction
The number of times : 3 times for each direction(Total 9 times)
Flux : Ethanol solution of rosin,25(wt)%
Pre-Heating : 150°C±10°C, 60s½90s
Solder : Sn-3.0Ag-0.5Cu
Solder Temperature : 240°C±5°C
Immersion Time : 4s±1s
Immersion and emersion rates : 25mm/s
7-3. Environmental Performance
It shall be soldered on the substrate.
No.
Item
Specification
7-3-1 Temperature
Meet Table 2.
Cycle
Test Method
1 cycle :1 step : -55
°C(+0 °C,-3 °C)
/ 30min±3min
2 step : Ordinary temp. / 10min to 15min
3 step : +125
°C(+3 °C,-0 °C)
/ 30min±3min
4 step : Ordinary temp. / 10min to 15min
Total of 100 cycles
Then measured after exposure in the room condition for 48h±4h.
Temperature : 40°C±2°C
Humidity : 90%(RH) to 95%(RH)
Time : 1000h(+48h,-0h)
Then measured after exposure in the room condition for 48h±4h.
Temperature : 125°C±3°C
(in case of Rated current is more than 1A,
do the test at : +85
°C±3°C)
Applying Current : Rated Current
Time : 1000h(+48h,-0h)
Then measured after exposure in the room condition for 48h±4h.
Temperature : -55°C±2°C
Time : 1000h(+48h,-0h)
Then measured after exposure in the room condition for 48h±4h.
7-3-2 Humidity
7-3-3 Heat Life
7-3-4 Cold
Resistance
MURATA MFG.CO., LTD.
Spec. No. JENF243A-0005X-01
8. Specification of Packaging
8-1. Appearance and Dimensions
Part Number
Type
a
Reference Only
Appearance and Dimensions
Total page 6/16
P.5/10
1.75±0.1
3.5±0.05
8.0±0.3
BLM21
except
21BD222SN1L
21BD272SN1L
8mm-
wide
Paper
tape
1.1
max.
2.25±0.1
2.0±0.05
4.0±0.1 4.0±0.1
+0.1
1.5
-0
Plastic Tape
a
0.2±0.1
Paper Tape
8mm-
BLM21BD222SN1L wide
BLM21BD272SN1L Plastic
tape
1.3
±0.1
1.45±0.1
There are holes in the cavity
of the Plastic tape
1.0
+0.3
-0
Direction of feed
a
*
Dimension of the Cavity is measured at the bottom side.
(in mm)
Paper tape
Taping
Plastic tape
Products shall be packaged in the cavity of the base Products shall be packaged in the each embossed
tape of 8mm-wide, 4mm-pitch continuously and
cavity of 8mm-wide, 4mm-pitch plastic tape
sealed by top tape and bottom tape.
continuously and sealed by cover tape.
Sprocket hole The sprocket holes are to the right as the tape is pulled toward the user.
Spliced point The base tape and top tape have no spliced point.
The cover tape has no spliced point.
－
Cavity
There shall not be burr in the cavity.
Missing
Missing components number within 0.1% of the number per reel or 1 pc., whichever is greater,
components and are not continuous. The specified quantity per reel is kept.
number
8-2. Tape Strength
(1)
Pull Strength
Paper tape
Plastic tape
Top tape
Bottom tape
Plastic tape
Cover tape
5N min.
5N min.
10N min.
300mm/min
0.1N to 0.6N
0.2N to 0.7N
Case
of Plastic tape
165 to 180 degree
F
Cover tape
(2)
Peeling off force of Top tape½Cover tape
Speed of Peeling off
Peeling off force
*
Paper tape
Plastic tape
*
Minimum value is typical.
Case
of Paper tape
165 to 180 degree
Top tape
F
Bottom tape
Base tape
Plastic tape
MURATA MFG.CO., LTD.
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