SMD Wirewound RF Inductors

Chip Open Type SMD Wirewound RF Inductors

WL

This new WL wirewound inductor surface mount series complements Tokenchina's extensive range of leading edge designs for RF and power applications, including its most recently introduced TRWL03 high current handling inductors for power applications, TRWL05*TL and TRWL08*TL Inductors with Improved low profile & compact size, TRWL02 smaller inductors for wireless devices, TRWL05*TH and TRWL08*TH inductors with high Q and robust design.


The SMD Wirewound WL Inductors are lead-free and RoHS compliant. Please contact us for details with your specific needs.


Features Chip Open Type SMD Wirewound Inductors - WL Series

  • Tighter Tolerance of ±2%.
  • Smaller Size of 0402 (1005).
  • Low profile , High Current are Available.
  • Wire wound Ceramic Construction Provide High SRFs.
  • Ultra-compact Inductors Provide Exceptional Q Values.
  • Miniature SMD Chip Inductor for Fully Automated Assembly.
  • Outstanding Endurance from Pull-up Force, Mechanical Shock and Pressure.

Applications

  • USB 2.0, IEEE 1394.
  • Remote Control, Security System, Wireless PDA.
  • TRWLL, Wireless LAN / Mouse / Keyboard / Earphone.
  • Cellular Phone (CDMA/GSM/PHS), Cordless Phone (DECT/CT1CT2).
  • VCO, RF Module & Other Wireless Products, Base Station, Repeater GPS Receiver.
  • CATV Filter, Tunerk, Cable Modem / XDSL Tuner, Set Top Box.

Dimensions (unit: mm) - Wirewound WL Series

SMD Wirewound WL Inductors - Dimensions (unit: mm) SMD Wirewound WL Inductors - Standard Electrical
Series A
Max.
B
Max.
C
Max.
D
Ref.
E F G H I J
  Standard
TRWL08 2.92 2.79 2.03 0.65 2.03 0.51 1.52 2.54 1.02 1.27
TRWL06 3.56 2.16 1.52 0.50 1.20 0.50 2.20 1.93 1.02 1.78
TRWL05 2.29 1.73 1.52 0.51 1.27 0.44 1.02 1.78 1.02 0.76
TRWL03 1.80 1.12 1.02 0.38 0.76 0.33 0.86 1.02 0.64 0.64
TRWL02 1.27 0.76 0.61 0.15 0.51 0.23 0.56 0.66 0.50 0.46
  Low Profile
TRWL08 2.92 2.79 1.40 0.65 2.03 0.51 1.52 2.54 1.02 1.27
TRWL05 2.29 1.73 1.03 0.51 1.27 0.44 1.02 1.78 1.02 0.76
  High Current / High Q
TRWL08 2.92 2.79 2.03 0.65 2.03 0.51 1.52 2.54 1.02 1.27
TRWL05 2.29 1.73 1.52 0.51 1.27 0.44 1.02 1.78 1.02 0.76
TRWL03 1.80 1.12 1.02 0.38 0.76 0.33 0.86 1.02 0.64 0.64

Remark: Color Coding

  • 0603 / 0805 / 1206 / 1008 Series (0402 Series is No Color Coding).
  • Because of small sizes, these parts are marked with a single color dot.
  • The inductance value represented by the dot is shown on the data page for each series.

Quantity & Reel Packaging Specifications (Unit: mm)

TypeEmboss Plastic Tape (PCS)
TRWL08 2000
TRWL06 2000
TRWL05 2000
TRWL03 4000
TRWL02 4000

Emboss Plastic Tape Specifications (Unit: mm)

Codes A
±0.10
B
±0.10
W
±0.2
E
±0.10
F
±0.1
P0
±0.10
P1
±0.10
P2
±0.05
ΦD0
+0.10
t
±0.05
TRWL08 2.70 2.80 8.0 1.75 3.5 4.00 4.00 2.00 1.50 2.00
TRWL06 1.95 3.50 8.0 1.75 3.5 4.00 4.00 2.00 1.50 1.50
TRWL05 1.85 2.30 8.0 1.75 3.5 4.00 4.00 2.00 1.50 1.45
TRWL03 1.12 1.85 8.0 1.75 3.5 4.00 4.00 2.00 1.50 0.96
TRWL02 0.71 1.16 8.0 1.75 3.5 4.00 2.00 2.00 1.50 0.65

Electrical Performance Test - Wirewound WL Series

Item Specification Test Method
Vibration Test Appearance: No damage
L change: within ±5%
Q change: within ±10%
Test device shall be soldered on the substrate
Oscillation Frequency: 10 to 55 to 10Hz for 1min
Amplitude: 1.5mm
Time: 2hrs for each axis (X, Y & Z), total 6hrs
Resistance to
Soldering-Heat
Solder Temperature: 260±5°C
Immersion Time: 10±2sec
Component Adhesion
(Push Test)
1 lbs. For 0402
2 lbs. For 0603
3 lbs. For the rest
The device should be soldered (260±5°C for 10 seconds) to a tinned copper subs rate. A dynamiter force gauge should be applied to the side of the component. The device must with stand a minimum force of 2 or 4 pounds without a failure of adhesion on termination
Drop Test No damage Dropping chip by each side and each corner.
Drop 10 times in total
Drop height: 100cm
Drop weight: 125g
Solderability Test 90% covered with solder. Inductor shall be dipped in a melted solder bath at 235±5°C for 5 seconds.
Resistance to Solvent Test No damage on appearance and marking. MIL-STD202F, Method 215D

Mechanical Performance Test - Wirewound WL Series

Item Specification Test Method
Inductance Refer to standard electrical characteristic spec. HP4291B
Q HP4291B
SRF HP8753D
DC Resistance RDC Micro-Ohm meter (Gom-801G)
Rated Current IDC Applied the current to coils, The inductance change should be less than 10% to initial value
Over Load Test Inductors shall have no evidence of electrical and mechanical damage Applied 2 times of rated allowed DC current to inductor for a period of 5 minute
Withstanding Voltage Test Inductors shall be no evidence of electrical and mechanical damage. AC voltage of 500 VAC applied between inductors terminal and case for 1 minute.
Insulation Resistance Test 1000M ohm min 100 VDC applied between inductor terminal and case

Climatic Test - Wirewound WL Series

Item Specification Test Method
Temperature
Characteristic
Appearance: No damage
L change: within ±10%
Q change: within ±20%
-40°C~+125°C
Humidity Resistance Temperature: 40±2°C
Relative Humidity: 90~95%
Time: 96hrs±2hrs
Measured after exposure in the room condition for 2hrs
Low Temperature Storage Test Temperature: -40±2°C
Time: 48±2hrs
Inductors are tested after 1 hour at room temperature
Thermal Shock Test One cycle:
Step Temperature (°C) time (min)
1 -25±3 30
2 25±2 15
3 85±3 30
4 25±2 15
Total: 5 cycles
High Temperature Storage Test Temperature: 125±2°C
Time: 48±2hrs
Measured after exposure in the room condition for 1hr
High Temperature Load Life Test There should be no evidence of short of open circuit. Temperature: 85±2°C
Time: 1000±12hrs
Load: Allowed DC current
Humidity Load Life Temperature: 40±2°C
Relative Humidity: 90~95%
Time: 1000±12hrs
Load: Allowed DC current
  • Storage Temperature: 25±3°C; Humidity: <80%RH

How to Order - SMD Wirewound RF Inductors WL

TRWL 08 J TR L 1N6
Wire Wound
Chip Inductor
Dimensions (L×W)(mm)
02 (1.00×0.50) (EIA0402)
03 (1.60×0.80) (EIA0603)
05 (2.00×1.20) (EIA0805)
06 (3.20×1.60) (EIA1206)
08 (2.50×2.00) (EIA1008)
Resistance
Tolerance
G ±2%
J 5%
K 10%
M 20%
Packaging
TR Taping Reel
Design code
  Standard Inductor
L Low Profile Inductor
H High Current and High Q
Inductance
1N6 1.6nH
82N 82nH
R27 270nH
1R0 1000nH
100 10000nH

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Chip Open Type SMD Wirewound RF Inductors - WL Series

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