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.

High Frequency Transformers | The Best Choice

Since our establishment in 1986, G-CHEN ENTERPRISE CO LTD has changed a lot in industrial and domestic requirements and has adapted to fulfill the needs of every client. As the high frequency transformers industry matured and diversified, G-CHEN ENTERPRISE CO LTD focused on customer needs and continually developed new products. We have highly experienced and trained workers to make the accessories according to the specifications of the clients. We will always offer you a warm welcome and a top quality environment on business.
High Frequency Transformers

GCAL0204 Series

Axial Inductor

We are professional manufacturer of Axial Inductor, High Frequency Transformers, Power Inductor, and High-Wire High Power 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
AL0204-R10M 0.10 25.2 50 250 0.030 700 Bn Bk S
AL0204-R12M 0.12 25.2 55 230 0.035 600 Bn R S
AL0204-R15M 0.15 25.2 55 200 0.040 620 Bn Gn S
AL0204-R18M 0.18 25.2 55 180 0.045 600 Bn Gy S
AL0204-R22M 0.22 25.2 55 160 0.050 400 R R S
AL0204-R27M 0.27 25.2 50 150 0.065 380 R V S
AL0204-R33M 0.33 25.2 50 150 0.075 370 O O S
AL0204-R39M 0.39 25.2 50 150 0.080 350 O W S
AL0204-R47M 0.47 25.2 60 150 0.085 330 Y V S
AL0204-R56M 0.56 25.2 60 150 0.090 320 Gn Bu S
AL0204-R68M 0.68 25.2 50 120 0.100 310 Bu Gy S
AL0204-R82M 0.82 25.2 50 110 0.150 290 Gy R S
AL0204-1R0K 1.0 25.2 50 110 0.220 270 Bn Bk Gd
AL0204-1R2K 1.2 7.96 40 100 0.300 260 Bn R Gd
AL0204-1R5K 1.5 7.96 40 80 0.350 250 Bn Gn Gd
AL0204-1R8K 1.8 7.96 40 65 0.450 240 Bn Gy Gd
AL0204-2R2K 2.2 7.96 40 55 0.550 230 R R Gd
AL0204-2R7K 2.7 7.96 40 50 0.600 220 R V Gd
AL0204-3R3K 3.3 7.96 40 42 0.650 210 O O Gd
AL0204-3R9K 3.9 7.96 45 38 0.850 200 O W Gd
AL0204-4R7K 4.7 7.96 45 34 1.00 190 Y V Gd
AL0204-5R6K 5.6 7.96 45 32 1.15 180 Gn Bu Gd
AL0204-6R8K 6.8 7.96 40 30 1.20 175 Bu Gy Gd
AL0204-8R2K 8.2 7.96 40 26 1.25 165 Gy R Gd
AL0204-100K 10.0 7.96 40 24 1.5 160 Bn Bk Bk
AL0204-120K 12.0 2.52 40 22 2.2 150 Bn R Bk
AL0204-150K 15.0 2.52 50 20 2.5 145 Bn Gn Bk
AL0204-180K 18.0 2.52 50 18 2.8 140 Bn Gy Bk
AL0204-220K 22.0 2.52 50 17 3.0 130 R R Bk
AL0204-270K 27.0 2.52 55 14 3.5 80 R V Bk
AL0204-330K 33.0 2.52 55 14 3.8 76 O O Bk
AL0204-390K 39.0 2.52 50 13 4.2 74 O W Bk
AL0204-470K 47.0 2.52 50 12 5.8 70 Y V Bk
AL0204-560K 56.0 2.52 50 11 6.4 68 Gn Bu Bk
AL0204-680K 68.0 2.52 50 10 7.2 64 Bu Gy Bk
AL0204-820K 82.0 2.52 50 9.5 8.5 46 Gy R Bk
AL0204-101K 100.0 0.796 50 9.0 11 44 Bn Bk Bk
AL0204-121K 120.0 0.796 40 6.5 13 42 Bn R Bn
AL0204-151K 150.0 0.796 40 6.0 16 39 Bn Gn Bn
AL0204-181K 180.0 0.796 40 5.2 18 37 Bn Gy Bn
AL0204-221K 220.0 0.796 40 4.5 20 35 R R Bn
AL0204-271K 270.0 0.796 30 3.5 29 28 R V Bn
AL0204-331K 330.0 0.796 30 3.0 30 26 O O Bn
AL0204-391K 390.0 0.796 30 2.7 32 25 O W Bn
AL0204-471K 470.0 0.796 30 2.6 35 24 Y V Bn
AL0204-561K 560.0 0.796 30 2.5 40 23 Gn Bu Bn
AL0204-681K 680.0 0.796 30 2.2 42 22 Bu Gy Bn
AL0204-821K 820.0 0.796 30 2.1 46 21 Gy R Bn
AL0204-102K 1000.0 0.796 30 2.0 52 20 Bn Bk R

Mechanical Drawing :

Form

(1) Normal Form

TYPE GCALN0204
ΦA +0 2.8 mm
B +0 4.4 mm
C ±3.0 29.5 mm
ΦD ±0.05 0.5 mm
E ±2.0 62.0 mm

(2) F Forming

TYPE GCALF0204
ΦA +0 2.8 mm
B +0 4.4 mm
C MAX 6.0 mm
D min 3.6 mm
ΦW ±0.05 0.5 mm

(3) U Forming

TYPE GCALU0204
ΦA +0 2.8 mm
B +0 4.4 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. 0204
B 52.0 ±1.0 mm
C 5.0 ±0.5 mm
Packing Unit for Reel
Item 0204
Quantity/ Reel 5,000 PCS
Quantity/ Carton 25,000 PCS
GW/ CTN (Approx.) 9.0 Kgm
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.

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G-CHEN ENTERPRISE CO LTD’s mission is to deliver outstanding high frequency transformers with such a gratifying experience that our customers become our best advocates. Our products are highly accepted in domestic and international markets, due to their high efficiency and reliability. We fulfill the demands of Taiwan market as well as of overseas market, especially [country / region] market. Please feel free to contact us if you are looking for a reliable high frequency transformers manufacturer.