Spec. No. JENF243A-9115E-01
Reference Only
P.1/9
Chip Ferrite Bead BLM31□□□□□SZ1□
Murata Standard Reference Specification [AEC-Q200]
1. Scope
This reference specification applies to Chip Ferrite Bead for Automotive Electronics BLM31_SZ Series based on
AEC-Q200 except for Power train and Safety.
2. Part Numbering
(ex.)
BL
M
31
(1)
(2)
(3)
(1)Product ID
(2)Type
(3)Dimension (L×Ｗ)
PG
601
S
Z
1
L
(4)
(5)
(6) (7) (8) (9)
(4)Characteristics
(5)Typical Impedance at 100MHz
(6)Performance
(7)Category (for Automotive Electronics)
(8)Numbers of Circuit
(9)Packaging (L: Taping)
3. Rating
Rated
Current
(mA)
(Note1)
DC
Resistance
(Ω max.)
Values
After
Testing
0.018
0.03
0.04
2
0.10
0.16
0.0021
Customer
Part Number
MURATA
Part Number
Impedance (Ω)
(at 100MHz, Under Standard
Testing Condition)
ESD Rank
2:2kV
at 85℃ at 125℃
Initial
Values
BLM31PG330SZ1L
33±25%
6000
3500
0.009
BLM31PG330SZ1B
BLM31PG500SZ1L
35 min.
3500
2300
0.015
BLM31PG500SZ1B
BLM31PG121SZ1L
120±25%
3500
2000
0.02
BLM31PG121SZ1B
BLM31PG391SZ1L
390±25%
2000
1250
0.05
BLM31PG391SZ1B
BLM31PG601SZ1L
600±25%
1500
1000
0.08
BLM31PG601SZ1B
BLM31SN500SZ1L
50±12.5Ω
12000 10000 0.0016
BLM31SN500SZ1B
•
Operating Temperature: -55°C to +125°C
•
Storage Temperature: -55°C to +125°C
Standard Testing Conditions
<
Unless otherwise specified
>
Temperature : Ordinary Temp. (15
°C
to 35
°C
)
Humidity : Ordinary Humidity (25%(RH) to 85%(RH))
R a te d C u r re n t ( A )
<
In case of doubt
>
Temperature : 20°C±2
°C
Humidity : 60%(RH) to 70%(RH)
Atmospheric pressure : 86kPa to 106kPa
85℃
x
Describe the Rated current as x[A]
in case of more than 1A.
(Note1)Rated Current is derated as right figure
depending on the operating temperature.
1
125℃
0
85
125
Operating Temperature (°C)
MURATA MFG.CO., LTD.
Spec. No. JENF243A-9115E-01
4. Style and Dimensions
3.2±0.2
Reference Only
1.6±0.2
1.1±0.2
■
Equivalent Circuit
P.2/9
0.7±0.3
(
Resistance element becomes
dominant at high frequencies.
)
■
Unit Mass (Typical value)
: Electrode
(in mm)
0.025 g
5.Marking
No marking.
(in mm)
6. Specifications
6-1. Electrical
No.
Item
6-1-1 Impedance
Specification
Meet item 3.
Test Method
Measuring Frequency : 100MHz±1MHz
Measuring Equipment : KEYSIGHT4291A or the equivalent
Test Fixture : KEYSIGHT16192A or the equivalent
Measuring Equipment : Digital multi meter
*Except resistance of the Substrate and Wire
6-1-2 DC Resistance
Meet item 3.
6-2. Mechanical Performance (based on Table 13 for FILTER EMI SUPPRESSORS/ FILTERS)
AEC-Q200 Rev.D issued June. 1 2010
AEC-Q200
No.
Stress
Test Method
3 High
1000hours at 125 deg C
Temperature
Set for 24hours at room
Exposure
temperature, then
measured.
Murata Specification / Deviation
Meet Table A after testing.
Table A
Appearance
No damage
Impedance
Within ±30%
Change
(for BLM31SN within±50%)
(at 100MHz)
DC
Meet item 3.
Resistance
Meet Table A after testing.
4
Temperature Cycling
5
7
Destructive
Physical Analysis
Biased Humidity
1000cycles
-55 deg C to +125 deg C
Set for 24hours at room
temperature, then
measured.
Per EIA469
No electrical tests
1000hours at 85 deg C,
85%RH
Apply max rated current.
Apply 125 deg C
1000hours
Set for 24hours at room
temperature, then
measured
No defects
Meet Table A after testing.
8
Operational Life
Meet Table A after testing.
If the rated current of parts exceed 1A,
the operating temperature should be 85 deg C.
9
External Visual
Visual inspection
No abnormalities
MURATA MFG.CO., LTD.
Spec. No. JENF243A-9115E-01
Reference Only
Murata Specification / Deviation
P.3/9
AEC-Q200
No.
Stress
10 Physical Dimension
Test Method
Meet ITEM 4
No defects
（Style
and Dimensions）
Not Applicable
12 Resistance to Solvents Per MIL-STD-202 Method
215
13 Mechanical Shock
Per MIL-STD-202 Method
213
Condition F:
1500g’s(14.7N)/0.5ms/
Half sine
Meet Table B after testing.
Table B
Appearance
Impedance
Change
(at 100MHz)
DC
Resistance
No damage
Within ±30%
Meet item 3.
14 Vibration
15 Resistance
to Soldering Heat
17 ESD
18 Solderability
19 Electrical
Characterization
20 Flammability
21 Board Flex
5g's(0.049N) for 20
minutes, 12cycles each of
3 orientations
Test from 10-2000Hz.
Solder temperature
260C+/-5 deg C
Immersion time 10s
Per AEC-Q200-002
Per J-STD-002
Measured : Impedance
Per UL-94
Epoxy-PCB(1.6mm)
Deflection 2mm(min)
60s minimum holding time
Per AEC-Q200-006
Per ISO-7637-2
Meet Table B after testing.
Pre-heating:150C +/-10 deg,60s to 90s
Meet Table A after testing.
Meet Table A after testing.
ESD Rank: Refer to Item 3. Rating
Method b : Not Applicable
95% of the terminations is to be soldered.
No defects
Not Applicable
Meet Table B after testing.
22 Terminal Strength
30 Electrical
Transient
Conduction
No defects
Not Applicable
7. Specification of Packaging
7-1. Appearance and Dimensions
(8mm-wide plastic tape)
2.0±0.05
4.0±0.1
4.0±0.1
1.75±0.1
φ
1.5
+0.1
-0
1.3±0.1
1.3±0.1
0.2±0.1
3.5±0.05
3.5±0.1
φ
1.0-
0
+0.3
1.9±0.1
Direction of feed
8.0±0.3
(in mm)
*
Dimension of the Cavity is measured at the bottom side.
MURATA MFG.CO., LTD.
Spec. No. JENF243A-9115E-01
Reference Only
P.4/9
(1) Taping
Products shall be packaged in the each embossed cavity of 8mm-wide, 4mm-pitch and plastic tape
continuously and sealed by cover tape.
(2) Sprocket hole : Sprocket hole shall be located on the left hand side toward the direction of feed.
(3) Spliced point : The cover tape has no spliced point.
(4) Missing components number
Missing components number within 0.1% of the number per reel or 1 pc., whichever is greater,
and are not continuous. The specified quantity per reel is kept.
7-2. Tape Strength
(1) Pull Strength
Plastic tape
Cover tape
5N min.
10N min.
165 to 180 degree
(2) Peeling off force of Cover tape
0.2N to 0.7N (Minimum value is typical.)
*Speed of Peeling off:300mm/min
F
Cover tape
Plastic tape
7-3. Taping Condition
(1) Standard quantity per reel
Quantity per 180mm reel : 3000 pcs. / reel
(2) There shall be leader-tape (cover tape only and empty tape ) and trailer- tape (empty tape) as follows.
(3) Marking for reel
The following items shall be marked on a label and the label is stuck on the reel.
(Customer part number, MURATA part number, Inspection number(∗1), RoHS marking(∗2), Quantity, etc)
∗1)
« Expression of Inspection No. »
□□
OOOO
×××
(1)
Factory Code
(2)
Date
(3)
Serial No.
(1)
(2)
(3)
First digit
: Year / Last digit of year
Second digit
: Month / Jan. to Sep.
→
1 to 9, Oct. to Dec.
→
O, N, D
Third, Fourth digit : Day
ROHS – Y (△)
(1) (2)
∗2)
« Expression of RoHS marking »
(1)
RoHS regulation conformity parts.
(2)
MURATA classification number
(4) Outside package
These reels shall be packed in the corrugated cardboard package and the following items shall be marked
on a label and the label is stuck on the box.
(Customer name, Purchasing order number, Customer part number, MURATA part number,
RoHS marking (∗2), Quantity, etc)
(5) Dimensions of reel and taping (leader-tape, trailer-tape)
2.0±0.5
Trailer
160 min.
Leader
Label
190 min.
Empty tape
210 min.
Cover tape
+1
φ
60
-
0
φ
13.0±0.2
9.0
+1
-0
13.0±1.4
φ
180
-3
+0
φ
21.0±0.8
Direction of feed
(in mm)
MURATA MFG.CO., LTD.
Spec. No. JENF243A-9115E-01
7-4. Specification of Outer Case
Reference Only
P.5/9
Label
H
D
W
Outer Case Dimensions
Standard Reel Quantity in Outer Case
(mm)
(Reel)
W
D
H
186
186
93
5
∗
Above Outer Case size is typical. It depends on a quantity of an
order.
8.
！
Caution
8-1. Rating
Do not use products beyond the Operating Temperature Range and Rated Current.
8-2. Surge current
Excessive surge current (pulse current or rush current) than specified rated current applied to the product
may cause a critical failure, such as an open circuit, burnout caused by excessive temperature rise.
Please contact us in advance in case of applying the surge current.
8-3. Fail Safe
Be sure to provide an appropriate fail-safe function on your product to prevent from a second damage
that may be caused by the abnormal function or the failure of our products.
8-4. Limitation of 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
(6)Disaster prevention / crime prevention equipment
(2)Aerospace equipment
(7)Traffic signal equipment
(3)Undersea equipment
(8)Transportation equipment (trains,ships,etc.)
(4)Power plant control equipment
(9) Data-processing equipment
(5)Medical equipment
(10)Applications of similar complexity and /or reliability requirements
to the applications listed in the above
9. Notice
This product is designed for solder mounting.
Please consult us in advance for applying other mounting method such as conductive adhesive.
9-1. Land pattern designing
•
Standard land dimensions (Flow and Reflow soldering)
Chip Ferrite Bead
Type
c
d
Rated
Current
(A)
1.5/2
3.5
6
10½12
Land pad thickness and
dimension d
18µm
1.8
2.4
6.4
-
35µm
1.8
1.8
3.3
9.8
70µm
1.8
1.8
1.8
4.9
(in mm)
BLM31PG
a
b
Solder Resist
Pattern
BLM31SN
*The excessive heat by land pads may cause
deterioration at joint of products with substrate.
Type
BLM31PG
BLM31SN
Soldering
Flow
Reflow
a
2.4
2.0
b
4.7
4.3
c
1.2
1.8
MURATA MFG.CO., LTD.
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