SRR1280-271K Bourns Inc., SRR1280-271K Datasheet - Page 2

• Manufacturer Part Number: SRR1280-271K
• Description: INDUCTOR SHIELDED SMD
• Manufacturer: Bourns Inc.
• Series: SRR1280r
• Type: Ferrite Corer

Specifications of SRR1280-271K

• Product: Inductors
• Test Frequency: 0.796 MHz
• Inductance: 270 uH
• Tolerance: 10 %
• Maximum Dc Current: 1.2 Amps
• Maximum Dc Resistance: 450 mOhms
• Self Resonant Frequency: 3.1 MHz
• Q Minimum: 20
• Dimensions: 12.5 mm W x 12.5 mm L x 7.5 mm H
• Operating Temperature Range: - 40 C to + 125 C
• Termination Style: SMD/SMT
• Package / Case: 1280
• Current: 1.2A
• Current - Saturation: 1.6A
• Current - Temperature Rise: -
• Shielding: Shielded
• Dc Resistance (dcr): 450 mOhm Max
• Q @ Freq: 20 @ 796kHz
• Self Resonant Freq: 3.1MHz
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 125°C
• Frequency - Test: 100kHz
• Material - Core: Ferrite
• Applications: Power Supplies
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Packaging Specifications
SRR1280 Series - Shielded SMD Power Inductors
(12.99)
330
(.827 ± .031)
21.0 ± 0.8
DIA.
(.512)
13.0
DIA.
(.079 ± .020)
2.0 ± 0.5
(.945)
24
END
NO COMPONENT
(7.87)
200
(.512)
(1.197)
13.0
DIA.
30.4
(1.024)
26
(1.969)
USER DIRECTION OF FEED
100
50.0
QTY: 400 PCS. PER REEL
COMPONENTS
100
DIMENSIONS:
100
(INCHES)
(.157)
4.0
Customers should verify actual device performance in their specific applications.
MM
NO COMPONENT
(15.75)
400
(.787)
20.0
START
EMBOSSED
CARRIER
THICKNESS
(.004)
0.10
MAX.
Specifications are subject to change without notice.
EMBOSSED
CAVITY
REV. 03/09