Toll Free Engineering Hot Line: 800.645.5828 • P: 321.637.1000 • F: 321.637.1600
595 International Place, Rockledge, FL 32955-4200 USA • www.rencousa.com • ISO 9001 Certified
RENCO ELECTRONICS INC.
SURFACE MOUNTS
RL-7550-2
LOW DCR/ LOW PROFILE
• Enclosed in a rugged case to provide optimum pick
and place operations
• High inductance / high current ultra low profile inductor
• Low profile. Great for applications when space is at a premium
• Excellent as DC-DC converter used in notebook computers,
smartphones, cell phones, step-up or step-down converters,
and flash memory
FEATURES & APPLICATIONSDESCRIPTION
• Low Prole SMD Inductor
ENVIRONMENTAL DATA
• Storage temperature range:
-55°C to +130°C
• Operating temperature range:
-40°C to +130°C
PACKAGING INFORMATION
• Packaging information: pg. 490
SMD INDUCTORS
Verify operation with sample in actual circuit. Order samples at www.rencousa.com.
TOP VIEW SIDE VIEW RECOMMENDED LAND PATTERN
MECHANICAL DIMENSIONS
U.S. Standard (mm)
PART NUMBER PART WEIGHT
RL-7550-2 0.2g (0.007oz)
G (REF.) H (REF.) I (REF.)
0.06 (1.60) 0.10 (2.50) 0.16 (4.00)
A
B
C
D
EFH
I
G
PART NUMBER A (MAX.) B (MAX.) C ±0.012 (0.3) D ±0.012 (0.3) E ±0.008 (0.2) F (MAX.)
RL-7550-2 0.29 (7.30) 0.22 (5.50) 0.20 (5.00) 0.25 (6.40) 0.08 (2.00) 0.12 (2.92)
SCHEMATIC
ST
FN
SURFACE MOUNTS
Toll Free Engineering Hot Line: 800.645.5828 • P: 321.637.1000 • F: 321.637.1600
595 International Place, Rockledge, FL 32955-4200 USA • www.rencousa.com • ISO 9001 Certified
RENCO ELECTRONICS INC.
RL-7550-2
NOTES:
1. Isat - DC CURRENT THAT WILL CAUSE INDUCTANCE TO DROP BY 5%
2. Irms - CURRENT THAT CAUSES THE TEMPERATURE TO RISE APPROX. 40ºC ABOVE AMBIENT OF 25ºC
3. RESISTANT TO SOLDER HEAT: 260ºC FOR 10 SECONDS
4. ELECTRICAL SPECIFICATIONS MEASURED AT 25ºC
5. INDUCTANCE TESTED AT 100 kHz, 0.1 Vrms
Renco Part No.
RL-7550-2
Inductance
(µH)
DCR Max.
(Ohms)
Isat
(A)
Irms
(A)
SRF (MHz)
Typ.
RL-7550-2-1R0M 1.0 ± 20% 0.050 2.90 2.90 130.0
RL-7550-2-1R5M 1.5 ± 20% 0.050 2.60 2.80 115.0
RL-7550-2-2R2M 2.2 ± 20% 0.070 2.30 2.40 90.0
RL-7550-2-3R3M 3.3 ± 20% 0.080 2.00 2.00 70.0
RL-7550-2-4R7M 4.7 ± 20% 0.090 1.50 1.50 50.0
RL-7550-2-6R8M 6.8 ± 20% 0.130 1.20 1.40 45.0
RL-7550-2-100M 10.0 ± 20% 0.160 1.10 1.10 35.0
RL-7550-2-150M 15.0 ± 20% 0.230 0.90 1.20 30.0
RL-7550-2-220M 22.0 ± 20% 0.370 0.70 0.80 20.0
RL-7550-2-330M 33.0 ± 20% 0.510 0.58 0.60 15.0
RL-7550-2-470M 47.0 ± 20% 0.640 0.50 0.50 14.0
RL-7550-2-680M 68.0 ± 20% 0.860 0.40 0.40 11.0
RL-7550-2-101M 100.0 ± 20% 1.270 0.31 0.30 9.0
RL-7550-2-151M 150.0 ± 20% 2.000 0.27 0.25 6.0
RL-7550-2-221M 220.0 ± 20% 3.110 0.22 0.20 5.5
