PM105-270M JW Miller A Bourns Company, PM105-270M Datasheet - Page 35

• Manufacturer Part Number: PM105-270M
• Description: INDUCTOR POWER 27UH 20% SMD
• Manufacturer: JW Miller A Bourns Company
• Series: PM105r
• Type: Ferrite Corer

Specifications of PM105-270M

• Inductance: 27µH
• Current: 1.76A
• Tolerance: ±20%
• Dc Resistance (dcr): 110 mOhm
• Self Resonant Freq: 14MHz
• Package / Case: 0.394" L x 0.354" W x 0.213" H (10.00mm x 9.00mm x 5.40mm)
• Mounting Type: Surface Mount
• Operating Temperature: -30°C ~ 100°C
• Frequency - Test: 2.52MHz
• Material - Core: Ferrite
• Applications: Power Supplies
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Shielding: -
• Q @ Freq: -
• Current - Saturation: -
• Current - Temperature Rise: -
• Other names: M1006TR

PM638S Series
Electrical Specifi cations
Product Dimensions
Pad Layout
Part Number
PM638S-3R3-RC
PM638S-5R0-RC
PM638S-6R2-RC
PM638S-7R4-RC
PM638S-8R7-RC
PM638S-100-RC
PM638S-120-RC
PM638S-150-RC
PM638S-180-RC
PM638S-220-RC
PM638S-270-RC
PM638S-330-RC
PM638S-390-RC
PM638S-470-RC
PM638S-560-RC
PM638S-680-RC
PM638S-820-RC
PM638S-101-RC
Revised PM638S
Revised PM638S
R
(.106)
2.70
(.268 ± .008)
REF.
6.80 ± 0.20
(.287)
100
7.30
REF.
Value (µH)
Revised
(.268 ± .008)
100
6.80 ± 0.20
3.3
5.0
6.2
7.4
8.7
10
12
15
18
22
27
33
39
47
56
68
82
(.150 ± .008)
3.80 ± 0.20
(.091)
(.091)
2.30
2.30
TYP.
TYP.
(.102)
(.102)
(.087)
2.60
2.60
REF.
REF.
2.20
TYP.
(.083)
2.10
REF.
Value (µH)
Original
100
3.3
5.0
6.2
7.4
8.7
10
12
15
18
22
27
33
39
47
56
68
82
DCR (m )
Revised
109
124
138
155
202
234
324
358
20
24
27
31
34
38
53
57
92
96
DCR (m )
Original
109
124
138
155
202
234
324
358
20
24
27
31
34
38
53
57
92
96
(.079)
2.0
(.276)
MAX.
7.0
Original PM638S
Original PM638S
Revised
Irms (A)
0.95
0.85
0.75
0.70
0.65
(.287)
3.5
2.9
2.5
2.3
2.2
2.0
1.7
1.6
1.5
1.3
1.2
1.1
1.0
7.3
(.276)
MAX.
(.157)
7.0
4.0
MAX.
Original
Irms (A)
(.287)
(.256)
7.3
0.95
0.85
0.75
0.65
3.5
2.9
2.5
2.3
2.2
2.0
1.7
1.6
1.5
1.3
1.2
1.1
1.0
0.7
6.5
(.079)
2.0
(.374)
9.5
MAX.
Revised
Isat (A)
3.60
2.95
2.60
2.55
2.35
2.05
1.95
1.90
1.70
1.60
1.30
1.20
1.10
1.00
0.90
0.87
0.75
0.68
DIMENSIONS:
(.256)
6.5
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Unspecifi ed
Original
Isat (A)
(INCHES)
MM