BD
BX
PD
PG For Power Lines
PN
PX
KG For Power Lines (Low DC Resistance Type)
SG
HG
For GHz Band General Use
EB
For GHz Band High-speed Signal Lines (Low Direct Current Type)
Type DC Bias Characteristics Improved Type
Ferrite Bead Single Type
eDimensions (LgW)
Code
Dimensions (LgW)
03
0.6g0.3mm
15
1.0g0.5mm
18
1.6g0.8mm
21
2.0g1.25mm
31
Chip Ferrite Bead for Automotive Part Numbering
(Part Number)
BL M 18 AG 102 S Z 1 D q w e r t y u io
qProduct ID Product ID BL
Chip Ferrite Beads
wType Code E M
4516 1806
1005
1608
0402
0603
GHz Range Noise GHz Range Noise Suppression Type Suppression Type BLM15H/E BLM18H/E/G
Size (EIA Code) 0201
Type For Standard
For Standard
Impedance (Ω) at 100MHz
Impedance Map
1000
2700 2500
2250 2200 2200 1800 1800 1800 1500 1500 1000 1000 1000 1000 1000 1000 1000 1000
750 600 600 600 600 600 600 600 600
J
Paper Taping (ø330mm Reel)
D
Paper Taping (ø180mm Reel)
*1 BLM21BD222Sp1/BLM21BD272Sp1 only. *2 Except for BLM21BD222Sp1/BLM21BD272Sp1
Series BLE, BLM21 *1/31/41 All Series BLM03/15/18 /21 *2
1400±40%
1000±25%
2000±40%
1800±25%
2700±40%
120±25%
145 (Typ.)
220±25%
270 (Typ.)
120±25%
-
150±25%
-
220±25%
-
330±25%
-
470±25%
-
600±25%
-
1000±25%
-
5±25%
-
10±25%
-
22±25%
For Standard BLMppA/T
For High Speed For Digital
Signal
Interface
BLMppB BLMppR
10 (1A)
1005 0402
22 (6A)
1608
2012
3216
0603
0805
1206
For Large Current BLMppP
( )=Rated Current
47 47
1800
1000 (1.5A) 1000
600 (1.5A)
600
470 (2A)
1000
600 470
390 (2A)
390
330 (1.5A)
330
220 (2A)
220
220
180 (1.5A)
180 (3A)
120 (2A)
120 (3A)
120
120
100
80 (1A)
75 (3A)
yElectrode Expressed by a letter.
Ex.)
Code
S/T
A
W
Electrode Sn Plating Au Plating
Ag/Pd
uCategory Code Z H
For Automotive
Category Infotainment
Powertrain, Safety
60 (0.5A) 60 (3A)
50 (3A)
60 (6A)
33 (3A) 30 (1A)
30 (3A)
33 (6A)
22 22
10 10 10
10 10
555
mm 0603 1005 1608 2012 1005 1608 2012 1608 2012
EIA Code 0201 0402 0603 0805 0402 0603 0805 0603 0805
EG
For GHz Band General Use (Low DC Resistance Type)
HB
HD
For GHz Band High-speed Signal Lines
HE
GA
For High-GHz Band High-speed Signal Lines
GG
For High-GHz Band General Use
iNumber of Circuits Code 1
Number of Circuits 1 Circuit
rCharacteristics/Applications
Code *1
Characteristics/Applications
AG For General Use
AX
BA
BB
BC
For High-speed Signal Lines
3.2g1.6mm
32
3.2g2.5mm
41
4.5g1.6mm
EIA 0201 0402 0603 0805 1206 1210 1806
tImpedance Expressed by three figures. The unit is in ohm (Ω) at 100MHz. The first and second figures are significant digits, and the third figure expresses the number of zeros that follow the two figures.

Chip Ferrite Bead for Automotive Part Numbering
oPackaging
Code
Packaging
K
Embossed Taping (ø330mm Reel)
L
Embossed Taping (ø180mm Reel)
B
Bulk
5±25%
-
10±25%
-
22±25%
-
47±25%
-
75±25%
-
120±25%
-
220±25%
-
75±25%
-
120±25%
-
220±25%
-
470±25%
-
600±25%
-
1000±25%
-
1800±25%
-
10 (Typ.)
-
600±25%
1000±40%
1000±25%
1400±40%
600±25%
200
100 500 700
500
300 500 200 300 200
200
Size (EIA Code)
Type
For High Speed Signal (Sharp impedance characteristics)
For Digital Interface
0603
For Large Current For Standard
0402
For High Speed Signal (Sharp impedance characteristics)
For Large Current For Standard
GHz Range
For High Speed Signal
For Standard (Low DC
Resistance Type)
For High Speed Signal
GHz Range
For Digital Interface
For Standard (Low DC
Resistance Type)
0805
For Standard
Part Number
BLM18BB151SN1 BLM18BD151SN1 BLM18BB221SN1 BLM18BD221SN1 BLM18BB331SN1 BLM18BD331SN1 BLM18BD421SN1 BLM18BB471SN1 BLM18BD471SN1 BLM18BD601SN1 BLM18BD102SN1 BLM18BD152SN1 BLM18BD182SN1 BLM18BD222SN1 BLM18BD252SN1 BLM18RK121SN1 BLM18RK221SN1 BLM18RK471SN1 BLM18RK601SN1 BLM18RK102SN1 BLM18PG300SN1 BLM18PG330SN1 BLM18PG600SN1 BLM18PG121SN1 BLM18PG181SN1 BLM18HG471SN1 BLM18HG601SN1 BLM18HG102SN1 BLM18HB121SN1 BLM18HB221SN1 BLM18HB331SN1 BLM18HD471SN1 BLM18HD601SN1 BLM18HD102SN1 BLM18HK331SN1 BLM18HK471SN1 BLM18HK601SN1 BLM18HK102SN1 BLM18EG101TN1 BLM18EG121SN1 BLM18EG221TN1 BLM18EG331TN1 BLM18EG391TN1 BLM18EG471SN1 BLM18EG601SN1 BLM18GG471SN1 BLM21AG121SN1 BLM21AG151SN1 BLM21AG221SN1 BLM21AG331SN1 BLM21AG471SN1 BLM21AG601SN1 BLM21AG102SN1