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PM74SB-121K-RC

fixed inductors 120uh 10%

器件类别：无源元件   

厂商名称：J.W. Miller ( Bourns )

器件标准：

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器件参数
参数名称
属性值
Manufacture
Bourns
产品种类
Product Category
Fixed Inductors
RoHS
Yes
电感
Inductance
120 uH
容差
Tolerance
10 %
Maximum DC Curre
490 mA
最大直流电阻
Maximum DC Resistance
680 mOhms
自谐振频率
Self Resonant Frequency
7 MHz
端接类型
Termination Style
SMD/SMT
Case Length
7.8 mm
Case Width
7 mm
Case Heigh
4.5 mm
工厂包装数量
Factory Pack Quantity
1000
文档预览
CO
M
PL
IA
N
Features
■
Formerly
■
Height of 4.5 mm
■
Current rating up to 1.65 A
■
RoHS compliant*
Applications
model
■
Input/output of DC/DC converters
■
Industrial electronics
■
Power supplies for:
*R
oH
S
T
• Portable communications equipment
• Camcorders
• LCD TVs
• Car radios
PM74SB Series - Shielded SMD Power Inductors
Electrical Specifications
Inductance 100 KHz
Bourns Part No.
PM74SB-100M-RC
PM74SB-120M-RC
PM74SB-150M-RC
PM74SB-180M-RC
PM74SB-220M-RC
PM74SB-270M-RC
PM74SB-330L-RC
PM74SB-390L-RC
PM74SB-470L-RC
PM74SB-560L-RC
PM74SB-680L-RC
PM74SB-820L-RC
PM74SB-101K-RC
PM74SB-121K-RC
PM74SB-151K-RC
PM74SB-181K-RC
PM74SB-221K-RC
PM74SB-271K-RC
(μH)
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
Tol. (%)
±20
±20
±20
±20
±20
±20
±15
±15
±15
±15
±15
±15
±10
±10
±10
±10
±10
±10
Test
Frequency
(MHz)
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
1.00
1.00
1.00
1.00
1.00
1.00
SRF
MHz
Typ.
26
25
20
19
18
16
15
14
12
11
10
9
8
7
6
5
5
4
DCR
Max.
(Ω)
0.07
0.07
0.08
0.10
0.13
0.16
0.18
0.18
0.27
0.29
0.33
0.43
0.49
0.68
0.94
1.00
1.18
1.30
Idc
(A)
1.65
1.57
1.39
1.29
1.12
1.06
0.97
0.91
0.80
0.76
0.68
0.62
0.55
0.49
0.44
0.40
0.36
0.33
Isat
(A)
2.00
1.90
1.68
1.55
1.47
1.35
1.16
1.10
0.95
0.89
0.76
0.72
0.64
0.63
0.56
0.52
0.55
0.53
General Specifications
Test Voltage .................................... 0.1 V
Reflow Soldering ....230 °C; 50 sec max.
Operating Temperature
................................ -40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................ -40 °C to +125 °C
Resistance to Soldering Heat
...........................260 °C, 10 sec. max.
Materials
Core .............................................. Ferrite
Wire ............................ Enameled copper
Adhesive ...............................Epoxy resin
Terminal ........................................ Sn/Cu
Rated Current
................... Ind. drop 10 % typ. at Isat
Temperature Rise ..... 40 °C typical at Idc
Packaging ...................1000 pcs. per reel
Product Dimensions
7.0 ± 0.4
(.276 ± .016)
Electrical Schematic
Typical Part Marking
680
7.8 ± 0.4
(.307 ± .016)
4.5 ± 0.4
(.177 ± .016)
2.1
(.083)
REF.
Recommended Pad Layout
R
1.0
(.039)
8.0
(.315)
2.0
(.079)
7.5
(.295)
DIMENSIONS:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
PM74SB Series - Shielded SMD Power Inductors
Inductance vs. Current
470
45
40
390
330
30
25
20
15
10
5
0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
150
100
270
220
180
120
Inductance (µH)
35
DC Current (A)
300
271
250
221
200
Inductance (µH)
181
150
121
100
820
50
560
680
101
151
0
0
0.3
0.5
0.8
1.0
1.3
1.5
1.8
2.0
2.3
2.5
DC Current (A)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
PM74SB Series - Shielded SMD Power Inductors
Packaging Specifications
21.4 ± 0.4
(.843 ± .016)
330 ± 1.5
(12.99 ± .059)
DIA.
21.5 +0.5/-0
(.846 +.020/-0)
DIA.
13.0 +0.5/-0.2
(.512 +.020/-0)
DIA.
100.0 ± 1.5
(3.94 ± .059)
DIA.
2.00 ± 0.5
(.079 ± .020)
16.5 +0.5/-0
(.670 +.020/-0)
2.00 ± 0.1
(.079 ± .004)
1.75 ± 0.1
(.069 ± .004)
4.00 ± 0.1
(.157 ± .004)
DIA.
1.5 +0.1/-0
(.059 +.004/-0)
8.10 ± 0.1
(.319 ± .004)
16.00 ± 0.3
(.630 ± .012)
7.5 ± 0.1
(.295 ± .004)
3.70 ± 0.1
(.146 ± .004)
12.00 ± 0.1
(.472 ± .004)
7,20 ± 0.1
(.283 ± .004)
1.5
DIA. MIN.
(.059)
0.30 ± 0.05
(.012 ± .002)
680
DIMENSIONS:
MM
(INCHES)
QTY: 1000 PCS. PER REEL
5.50 ± 0.1
(.217 ± .004)
01/08
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
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参数对比
与PM74SB-121K-RC相近的元器件有：PM74SB-820L-RC、PM74SB-101K-RC、PM74SB-221K-RC、PM63SB-680L-RC、PM63SB-470L-RC、PM63SB-330L-RC、PM63SB-390L-RC、PM63SB-560L-RC、PM74SB-181K-RC。描述及对比如下：
型号 PM74SB-121K-RC PM74SB-820L-RC PM74SB-101K-RC PM74SB-221K-RC PM63SB-680L-RC PM63SB-470L-RC PM63SB-330L-RC PM63SB-390L-RC PM63SB-560L-RC PM74SB-181K-RC
描述 fixed inductors 120uh 10% fixed inductors 82uh 15% fixed inductors 100uh 10% fixed inductors 220uh 10% fixed inductors 68uh 15% fixed inductors 47uh 15% fixed inductors 33uh 15% fixed inductors 39uh 15% fixed inductors 56uh 15% fixed inductors 180uh 10%
Manufacture Bourns Bourns Bourns Bourns Bourns Bourns Bourns Bourns Bourns Bourns
产品种类
Product Category		 Fixed Inductors Fixed Inductors Fixed Inductors Fixed Inductors Fixed Inductors Fixed Inductors Fixed Inductors Fixed Inductors Fixed Inductors Fixed Inductors
RoHS Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
电感
Inductance		 120 uH 82 uH 100 uH 220 uH 68 uH 47 uH 33 uH 39 uH 56 uH 180 uH
Maximum DC Curre 490 mA 620 mA 550 mA 360 mA 420 mA 500 mA 610 mA 530 mA 460 mA 400 mA
最大直流电阻
Maximum DC Resistance		 680 mOhms 650 mOhms 490 mOhms 1.18 Ohms 820 mOhms 510 mOhms 410 mOhms 470 mOhms 720 mOhms 1 Ohms
端接类型
Termination Style		 SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT
工厂包装数量
Factory Pack Quantity		 1000 1000 1000 1000 1500 1500 1500 1500 1500 1000
容差
Tolerance		 10 % - 10 % 10 % 15 % 15 % 15 % 15 % 15 % 10 %
自谐振频率
Self Resonant Frequency		 7 MHz - 8 MHz 5 MHz 12 MHz 15 MHz 18 MHz 17 MHz 14 MHz 5 MHz
Case Length 7.8 mm - 7.8 mm 7.8 mm 6.2 mm 6.2 mm 6.2 mm 6.2 mm 6.2 mm 7.8 mm
Case Width 7 mm - 7 mm 7 mm 5.6 mm 5.6 mm 5.6 mm 5.6 mm 5.6 mm 7 mm
Case Heigh 4.5 mm - 4.5 mm 4.5 mm 3.2 mm 3.2 mm 3.2 mm 3.2 mm 3.2 mm 4.5 mm
屏蔽
Shielding		 - Shielded - - Shielded Shielded Shielded Shielded Shielded -
类型
Type		 - Shielded SMD Power Inductors - - Shielded SMD Power Induc Shielded SMD Power Induc Shielded SMD Power Induc Shielded SMD Power Induc Shielded SMD Power Induc -
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