G-CHEN ENTERPRISE CO LTD

The G-chen Enterprise Co.,LTD to stand erect for twenty years. We have in accordance witty the conviction of quality service and common grow,So we still have fine association and coop-eration with customers since twenty years. Because the conviction,We abtain thebelieve and support from customers.

Common Mode Choke in Taiwan

Our company is a reputed common mode choke manufacturer in electrical supplies. We have a well-maintained quality management comprising a team of experienced professionals that keeps an eye on every individual product to ensure durability. G-CHEN ENTERPRISE CO LTD is the global leader in offering the highest quality products, superior service and pioneering innovations for common mode choke markets.
So should you have any questions or need our any products of G-CHEN ENTERPRISE CO LTD, please don't hesitate to contact us. We are very welcome any further inquiries and comments from you. If you are looking for suppliers and long-term mutually beneficial partnership, our company is ready to offer common mode choke.
Axial Inductor-GCAL0307 Series

GCAL0307 Series

Axial Inductor

In addition to Axial Inductor, we also provide Wide Band Choke, T-Core Iron Choke, and UU&UT Filter Inductor.

  • Design to be compact, small and light-weight
  • Wide range of inductance
  • Contribute to be high Q and self-resonant frequencies
  • Tapping type that is convenient for automatic insertion
  • Coating epoxy resin that ensure the humidity resistance to be long life
  • Low Cost
Specification :

Product Identification
GCAL
1
0204
2
-
 
102
3
K
4
  1. Product Code
  2. Core Dimensions
  3. Inductance Code
  4. Tolerance Code
General Specification
  1. Temp. rise: 20℃ max
  2. Ambient temp.: 60℃ max
  3. Operating temp.: -20℃~+80℃
  4. Terminal tensile strength: 1.0kg min
  5. Terminal bending strength: 0.3kg min
  6. Dielectric withstanding voltage: 250Vrms
  7. Rated current: base on temp rise
Schematic Diagram
Materials
  1. Core: Ferrite DRWW
  2. Wire: Enamelled copper wire
  3. Lead: Tinned copper wire
  4. Coating: Epoxy resin
Part No. & Dimensions Line
COLOR Nominal Inductance (H)
First Figure Second Figure Magnification/* Tolerance
BLACK (Bk) 0 1 ±20%
Brown (Bn) 1 10 -
Red (R) 2 100 -
Orange (O) 3 1000 -
Yellow (Y) 4 - -
Green (Gn) 5 - -
Blue (Bu) 6 - -
Violet (V) 7 - -
Gray (Gy) 8 - -
White (W) 9 - -
Gold (Gd) - 0.1 ±5%
Silver (S) - 0.01 ±10%
ex:
  • If nominal inductance & tolerance is 22mH, ±10% respectively red+red+orange+silver should be marked;
  • If nominal inductance & tolerance is 18uH, ±10% respectively brown + gray + black + silver should be marked;
  • If nominal inductance & tolerance is 0.39uH, ±20 respectively orange + white + silver + black should be marked.
Q values ​​for reference only
Part Number Inductance
(μH)
Test frequency
(MHz)
Q
(min)
S.R.F.
(MHz)min
D. C. Resistance
(Ω)max
IDC
(mA)max
Color Code
1st 2nd 3rd 4th
AL0307-R10M 0.10 25.2 45 480.0 0.06 1400 Bn Bk S Bk
AL0307-R12M 0.12 25.2 45 450.0 0.06 1350 Bn R S Bk
AL0307-R15M 0.15 25.2 45 420.0 0.07 1270 Bn Gn S Bk
AL0307-R18M 0.18 25.2 45 400.0 0.07 1200 Bn Gy S Bk
AL0307-R22M 0.22 25.2 45 380.0 0.08 1150 R R S Bk
AL0307-R27M 0.27 25.2 45 360.0 0.09 1100 R V S Bk
AL0307-R33M 0.33 25.2 45 320.0 0.10 1100 O O S Bk
AL0307-R39M 0.39 25.2 45 310.0 0.12 1000 O W S Bk
AL0307-R47M 0.47 25.2 45 300.0 0.15 1000 Y V S Bk
AL0307-R56M 0.56 25.2 45 280.0 0.18 950 Gn Bu S Bk
AL0307-R68M 0.68 25.2 45 240.0 0.20 900 Bu Gy S Bk
AL0307-R82M 0.82 25.2 45 200.0 0.22 900 Gy R S Bk
AL0307-1R0K 1.0 25.2 45 180.0 0.25 815 Bn Bk Gd S
AL0307-1R2K 1.2 7.96 45 160.0 0.28 740 Bn R Gd S
AL0307-1R5K 1.5 7.96 45 140.0 0.30 700 Bn Gn Gd S
AL0307-1R8K 1.8 7.96 45 120.0 0.35 655 Bn Gy Gd S
AL0307-2R2K 2.2 7.96 45 110.0 0.40 630 R R Gd S
AL0307-2R7K 2.7 7.96 45 85.0 0.45 595 R V Gd S
AL0307-3R3K 3.3 7.96 45 74.0 0.50 575 O O Gd S
AL0307-3R9K 3.9 7.96 45 62.0 0.55 555 O W Gd S
AL0307-4R7K 4.7 7.96 45 48.0 0.60 530 Y V Gd S
AL0307-5R6K 5.6 7.96 45 35.0 0.65 500 Gn Bu Gd S
AL0307-6R8K 6.8 7.96 45 28.0 0.70 470 Bu Gy Gd S
AL0307-8R2K 8.2 7.96 45 20.0 0.80 425 Gy R Gd S
AL0307-100K 10.0 7.96 45 18.0 0.85 370 Bn Bk Bk S
AL0307-120K 12.0 2.52 45 16.0 0.90 350 Bn R Bk S
AL0307-150K 15.0 2.52 45 14.0 1.00 335 Bn Gn Bk S
AL0307-180K 18.0 2.52 45 12.0 1.20 315 Bn Gy Bk S
AL0307-220K 22.0 2.52 45 10.0 1.35 285 R R Bk S
AL0307-270K 27.0 2.52 45 9.0 1.80 270 R V Bk S
AL0307-330K 33.0 2.52 45 8.0 2.10 255 O O Bk S
AL0307-390K 39.0 2.52 45 7.5 2.30 240 O W Bk S
AL0307-470K 47.0 2.52 50 7.0 2.60 205 Y V Bk S
AL0307-560K 56.0 2.52 50 6.5 2.90 195 Gn Bu Bk S
AL0307-680K 68.0 2.52 50 6.0 3.20 185 Bu Gy Bk S
AL0307-820K 82.0 2.52 50 5.5 3.80 175 Gy R Bk S
AL0307-101K 100.0 2.52 50 5.0 4.20 165 Bn Bk Bn S
AL0307-121K 120.0 0.796 50 4.8 4.50 160 Bn R Bn S
AL0307-151K 150.0 0.796 50 4.5 5.00 150 Bn Gn Bn S
AL0307-181K 180.0 0.796 50 4.0 6.0 140 Bn Gy Bn S
AL0307-221K 220.0 0.796 50 3.5 7.0 130 R R Bn S
AL0307-271K 270.0 0.796 50 3.0 120 28 R V Bn S
AL0307-331K 330.0 0.796 50 2.8 8.0 100 O O Bn S
AL0307-391K 390.0 0.796 50 2.6 10.0 95 O W Bn S
AL0307-471K 470.0 0.796 50 2.4 13.0 90 Y V Bn S
AL0307-561K 560.0 0.796 50 2.0 15.0 85 Gn Bu Bn S
AL0307-681K 680.0 0.796 50 2.0 16.0 75 Bu Gy Bn S
AL0307-821K 820.0 0.796 50 1.8 23.0 65 Gy R Bn S
AL0307-102K 1000.0 0.796 50 1.4 26.0 60 Bn Bk R S

Mechanical Drawing :

Form

(1) Normal Form

TYPE GCALN0307
ΦA +0 3.08 mm
B +0 7.0 mm
C ±3.0 28.0 mm
ΦD ±0.05 0.5 mm
E ±2.0 62.0 mm

(2) F Forming

TYPE GCALF0307
ΦA +0 3.0 mm
B +0 7.0 mm
C MAX 6.0 mm
D min 3.6 mm
ΦW ±0.05 0.5 mm

(3) U Forming

TYPE GCALU0307
ΦA +0 3.0 mm
B +0 7.0 mm
C ±1.0 6.0 mm
F ±1.0 10.0 mm
ΦW ±0.05 0.5 mm
Dimensions of Reel & Packing Unit
Sym. 0307
B 52.0 ±1.0 mm
C 5.0 ±0.5 mm
Packing Unit for Reel
Item 0307
Quantity/ Reel 5,000 PCS
Quantity/ Carton 25,000 PCS
GW/ CTN (Approx.) 11.0Kgm
Carton Size (mm) 330 * 330 * 460

Applications :

  • Electronics products
  • Communications equpments
  • Computer Devices
  • TV, VCR
  • Battery charger

OEM/ODM :

G-CHEN will also produce devices outside these specifications to meet specific customer requirements, please contact our sales for more information.

Send Message
Contact Information

By submitting your contact information, you acknowledge that you consent to our processing data in accordance with the Privacy and Cookie Policy.

G-CHEN ENTERPRISE CO LTD is a leading manufacturer and exporter in Taiwan since 1986, specialized in wide range of common mode choke. Our common mode choke enjoy well-reputation by the strict quality request. Customers will be able to check progress and see when they can order by checking their details on the website. We look forward to building on the progress of the roll-out to date and bringing fast common mode choke to as many people as possible, as quickly as possible.