SDR0403-3R9ML Bourns Inc., SDR0403-3R9ML Datasheet - Page 2

• Manufacturer Part Number: SDR0403-3R9ML
• Description: INDUCTOR POWER 3.9UH 1.98A 0403
• Manufacturer: Bourns Inc.
• Series: SDR0403r
• Type: Ferrite Corer

Specifications of SDR0403-3R9ML

• Inductance: 3.9µH
• Tolerance: ±20%
• Current: 1.98A
• Current - Saturation: 2.7A
• Shielding: Unshielded
• Dc Resistance (dcr): 76 mOhm Max
• Q @ Freq: 28 @ 7.96MHz
• Self Resonant Freq: 55MHz
• Package / Case: 0.177" L x 0.157" W x 0.125" H (4.50mm x 4.00mm x 3.20mm)
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 125°C
• Frequency - Test: 1kHz
• Material - Core: Ferrite
• Applications: Power Supplies
• Product: Inductors
• Test Frequency: 7.96 MHz
• Maximum Dc Current: 1.98 Amps
• Maximum Dc Resistance: 0.076 Ohms
• Self Resonant Frequency: 55 MHz
• Q Minimum: 28
• Operating Temperature Range: - 40 C to + 125 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Temperature Rise: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: SDR0403-3R9ML

Packaging Specifications
SDR0403 Series - SMD Power Inductors
(12.992)
330.0
DIA.
(.827 ± .031)
21.0 ± 0.8
(.512 ± .020)
13.0 ± 0.5
(.472)
12
(.134)
3.4
DIA.
(.079 ± .020)
2.0 ± 0.5
END
NO COMPONENT
(.512 ± .020)
13.0 ± 0.5
(6.299)
160
(.724)
DIA.
18.4
(.551)
14.0
(1.969)
USER DIRECTION OF FEED
(.059)
50.0
100
1.5
QTY: 2000 PCS. PER REEL
COMPONENTS
DIA.
(125.984)
3200
100
100
Customers should verify actual device performance in their specific applications.
100
NO COMPONENT
(15.748)
400
(.157)
4.0
(.315)
8.0
START
Specifications are subject to change without notice.
EMBOSSED
CARRIER
THICKNESS
(.004)
0.10
MAX.
DIMENSIONS:
EMBOSSED
CAVITY
(INCHES)
REV. 09/10
MM