| Features |
Applications |
Product Identification |
| • High rated current |
• Laptops and PCs |
YT/YTA XXXX — XXX M |
| • Frequency up to 3 MHz |
• Switch and servers |
———— —— —— —— |
| • 125℃ maximum total temperature operation |
• Base stations |
① ② ③ ④ |
| • Low core loss |
• DC/DC converters |
|
| • Ultra low buzz noise due to molding construction |
• Battery powered devices |
① Series name |
| • Halogen Free & ROHS compliant |
• SSD modules |
② Dimensions and shape(0412~1265) |
| |
|
③ Inductance Value |
| |
|
④ Inductance Tolerance ( M= ± 20% ) |
Dimensions (unit:mm)

| series |
A |
B |
C |
D |
E |
a typ |
b typ |
c typ |
| YTA0412 |
4.4±0.35 |
4.2±0.25 |
1.0±0.2 |
0.8±0.3 |
2.0±0.3 |
2.2 |
5.2 |
2.5 |
| YTA0420 |
4.4±0.35 |
4.2±0.25 |
1.8±0.2 |
0.8±0.3 |
2.0±0.3 |
2.2 |
5.2 |
2.5 |
| YTA0518 |
5.4±0.35 |
5.2±0.2 |
1.6±0.2 |
1.2±0.2 |
2.2±0.3 |
2.2 |
6 |
2.5 |
| YTA0530 |
5.4±0.35 |
5.2±0.2 |
2.8±0.2 |
1.2±0.2 |
2.2±0.3 |
2.2 |
6 |
2.5 |
| YTA0618 |
7.0±0.3 |
5.2±0.2 |
1.6±0.2 |
1.6±0.3 |
3.0±0.3 |
3.7 |
8.4 |
3.5 |
| YTA0624 |
7.0±0.3 |
5.2±0.2 |
2.2±0.2 |
1.6±0.3 |
3.0±0.3 |
3.7 |
8.4 |
3.5 |
| YT0630 |
7.0±0.3 |
5.2±0.2 |
2.8±0.2 |
1.6±0.3 |
3.0±0.3 |
3.7 |
8.4 |
3.5 |
| YT0640 |
7.0±0.3 |
5.2±0.2 |
3.8±0.2 |
1.6±0.3 |
3.0±0.3 |
3.7 |
8.4 |
3.5 |
| YT0650 |
7.0±0.3 |
5.2±0.2 |
4.8±0.2 |
1.6±0.3 |
3.0±0.3 |
3.7 |
8.4 |
3.5 |
| YT1040 |
11.5MAX |
10.0±0.3 |
3.8±0.2 |
2.0±0.5 |
3.0±0.5 |
5.4 |
13.6 |
4.1 |
| YT1240 |
13.45±0.35 |
12.8±0.5 |
4.0MAX |
2.0±0.5 |
See Remarks |
8 |
14.5 |
5.5 |
| YT1250 |
13.45±0.35 |
12.6±0.3 |
4.8±0.2 |
2.0±0.5 |
See Remarks |
8 |
14.5 |
5.5 |
| YT1260 |
13.45±0.35 |
12.6±0.3 |
5.8±0.2 |
2.0±0.5 |
5.0±0.3 |
8 |
14.5 |
5.5 |
| YT1265 |
13.45±0.35 |
12.6±0.3 |
6.5MAX |
2.0±0.5 |
5.0±0.3 |
8 |
14.5 |
5.5 |
Remarks:
| series |
E |
Dimensions |
| YT1240 |
3.85±0.5 |
R22/R47 |
| 5.0±0.3 |
R68/R82/1R0/1R5/2R2/3R3/4R7/6R8/100/150/220 |
| YT1250 |
3.85±0.5 |
R22/R36/R50/R68/R82/1R0/1R5/2R2 |
| 5.0±0.3 |
3R3/4R7/6R8/100/150/220/330/470 |

Marking
The inductor is marked with a 3-digit code
| Nominal Inductance |
| YT1240 |
3.85±0.5 |
| 5.0±0.3 |
| YT1250 |
3.85±0.5 |
| 5.0±0.3 |
Structure and Components
| Symbol |
Components |
Material |
| a |
MARKING |
Ink(black) |
| b |
CORE |
Alloy Sponge Powder |
| c |
WIRE |
Polyurethane copper wire |
| d |
Terminal |
Copper plated with Sn |

Electrical Characteristics
•YTA0412 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YTA0412-R15M |
0.15 |
9 |
15 |
7.5 |
| YTA0412-R22M |
0.22 |
11 |
11 |
7 |
| YTA0412-R33M |
0.33 |
19 |
8.4 |
6.5 |
| YTA0412-R47M |
0.47 |
21 |
6.8 |
6 |
| YTA0412-R68M |
0.68 |
36 |
6 |
4.7 |
| YTA0412-1R0M |
1 |
47 |
5.5 |
4.5 |
| YTA0412-1R5M |
1.5 |
75 |
4 |
3.25 |
| YTA0412-2R2M |
2.2 |
83.5 |
3 |
2.75 |
| YTA0412-4R7M |
4.7 |
195 |
2.2 |
1.8 |
•YTA0420 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YTA0420-R10M |
0.1 |
4 |
22 |
13 |
| YTA0420-R22M |
0.22 |
6.6 |
12.5 |
9.5 |
| YTA0420-R33M |
0.33 |
11 |
12 |
10 |
| YTA0420-R47M |
0.47 |
14 |
9.5 |
7.5 |
| YTA0420-R56M |
0.56 |
16 |
9 |
7 |
| YTA0420-R68M |
0.68 |
18 |
8 |
7 |
| YTA0420-1R0M |
1 |
27 |
7 |
6 |
| YTA0420-1R2M |
1.2 |
27 |
6.5 |
6 |
| YTA0420-1R5M |
1.5 |
46 |
5.5 |
5 |
| YTA0420-2R2M |
2.2 |
58 |
5 |
4.5 |
| YTA0420-3R3M |
3.3 |
87 |
3.5 |
3.3 |
| YTA0420-4R7M |
4.7 |
105 |
3 |
2.4 |
| YTA0420-6R8M |
6.8 |
175 |
2.5 |
2.8 |
| YTA0420-100M |
10 |
282 |
2 |
1.6 |
| YTA0420-220M |
22 |
363 |
1.4 |
1.2 |
•YTA0518 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YTA0518-R47M |
0.47 |
9 |
12 |
10.5 |
| YTA0518-R56M |
0.56 |
10 |
11 |
9.5 |
| YTA0518-1R0M |
1 |
17 |
9 |
8 |
| YTA0518-1R5M |
1.5 |
26 |
8 |
7.5 |
| YTA0518-2R2M |
2.2 |
35 |
6 |
5 |
| YTA0518-3R3M |
3.3 |
58 |
4.8 |
4.5 |
| YTA0518-4R7M |
4.7 |
85 |
4 |
3.5 |
| YTA0518-6R8M |
6.8 |
120 |
3.4 |
2.8 |
| YTA0518-100M |
10 |
155 |
2.5 |
2.5 |
•YTA0530 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YTA0530-R10M |
0.1 |
3 |
30 |
25 |
| YTA0530-R20M |
0.2 |
3.9 |
20 |
14 |
| YTA0530-R33M |
0.33 |
5.5 |
18 |
14 |
| YTA0530-R47M |
0.47 |
8.5 |
15 |
11 |
| YTA0530-R68M |
0.68 |
12 |
11.5 |
9 |
| YTA0530-1R0M |
1 |
14 |
10 |
8.5 |
| YTA0530-1R2M |
1.2 |
16 |
9.5 |
8.5 |
| YTA0530-1R5M |
1.5 |
25 |
9 |
8.2 |
| YTA0530-2R2M |
2.2 |
29 |
7 |
7 |
| YTA0530-3R3M |
3.3 |
38 |
6 |
5.5 |
| YTA0530-4R7M |
4.7 |
60 |
4.6 |
4.5 |
| YTA0530-6R8M |
6.8 |
90 |
3.6 |
3.5 |
| YTA0530-100M |
10 |
125 |
3.5 |
3.2 |
•YTA0618 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YTA0618-R10M |
0.1 |
2.3 |
38 |
25 |
| YTA0618-R22M |
0.22 |
3.5 |
24 |
22 |
| YTA0618-R47M |
0.47 |
8.4 |
18 |
11.5 |
| YTA0618-R68M |
0.68 |
12 |
16.5 |
9.5 |
| YTA0618-1R0M |
1 |
16 |
12 |
8.5 |
| YTA0618-1R5M |
1.5 |
26 |
9.2 |
8 |
| YTA0618-2R2M |
2.2 |
35 |
8 |
7 |
| YTA0618-3R3M |
3.3 |
50 |
6 |
4.5 |
| YTA0618-4R7M |
4.7 |
62 |
5 |
4 |
| YTA0618-6R8M |
6.8 |
110 |
4.5 |
3 |
| YTA0618-100M |
10 |
155 |
4 |
2.3 |
| YTA0618-220M |
22 |
350 |
2.3 |
1.8 |
•YTA0624 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YTA0624-R22M |
0.22 |
3 |
30 |
21 |
| YTA0624-R33M |
0.33 |
4.1 |
24.5 |
18 |
| YTA0624-R47M |
0.47 |
5.1 |
20 |
15 |
| YTA0624-R56M |
0.56 |
6.5 |
17 |
13 |
| YTA0624-R68M |
0.68 |
7 |
16 |
12 |
| YTA0624-1R0M |
1 |
13.5 |
15 |
9 |
| YTA0624-1R5M |
1.5 |
20 |
13.5 |
8.2 |
| YTA0624-2R2M |
2.2 |
28 |
10 |
7 |
| YTA0624-3R3M |
3.3 |
39 |
8 |
5.5 |
| YTA0624-4R7M |
4.7 |
50 |
6.5 |
5 |
| YTA0624-6R8M |
6.8 |
70 |
6 |
4 |
| YTA0624-100M |
10 |
101 |
4 |
3.1 |
| YTA0624-150M |
15 |
160 |
3.3 |
2.5 |
| YTA0624-220M |
22 |
230 |
2.5 |
2 |
•YT0630 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YT0630-R22M |
0.22 |
3 |
34 |
24 |
| YT0630-R33M |
0.33 |
3.5 |
25 |
21 |
| YT0630-R47M |
0.47 |
4.1 |
20 |
18 |
| YT0630-R56M |
0.56 |
4.5 |
18 |
16.5 |
| YT0630-R68M |
0.68 |
5.3 |
17 |
16 |
| YT0630-R82M |
0.82 |
6 |
16 |
14 |
| YT0630-1R0M |
1 |
7.4 |
15 |
12 |
| YT0630-1R5M |
1.5 |
12.1 |
12 |
12 |
| YT0630-2R2M |
2.2 |
15 |
10 |
9.5 |
| YT0630-3R3M |
3.3 |
22 |
9.5 |
8.5 |
| YT0630-4R7M |
4.7 |
33 |
9 |
6 |
| YT0630-5R6M |
5.6 |
42 |
6.5 |
5.5 |
| YT0630-6R8M |
6.8 |
48 |
6 |
5 |
| YT0630-8R2M |
8.2 |
60 |
5.5 |
5 |
| YT0630-100M |
10 |
68 |
5.5 |
4.5 |
| YT0630-150M |
15 |
113 |
4 |
3 |
| YT0630-220M |
22 |
170 |
3 |
2.5 |
| YT0630-330M |
33 |
270 |
2.5 |
2 |
| YT0630-470M |
47 |
385 |
2 |
1.5 |
•YT0640 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YT0640-2R2M |
2.2 |
14 |
11 |
9 |
| YT0640-4R7M |
4.7 |
30 |
9 |
7 |
| YT0640-150M |
15 |
110 |
4.5 |
3.5 |
•YT0650 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YT0650-R47M |
0.47 |
3.9 |
21 |
20 |
| YT0650-R68M |
0.68 |
4.5 |
18 |
16.5 |
| YT0650-1R0M |
1 |
6.6 |
16 |
12 |
| YT0650-1R5M |
1.5 |
10 |
13 |
9.5 |
| YT0650-2R2M |
2.2 |
12.5 |
11 |
9 |
| YT0650-3R3M |
3.3 |
22 |
10 |
8.5 |
| YT0650-4R7M |
4.7 |
29 |
8 |
6 |
| YT0650-6R8M |
6.8 |
41 |
6.3 |
5.8 |
| YT0650-8R2M |
8.2 |
48 |
5.5 |
5.5 |
| YT0650-100M |
10 |
60 |
5.3 |
4.5 |
| YT0650-150M |
15 |
90 |
4 |
3.1 |
| YT0650-220M |
22 |
140 |
3.5 |
2.6 |
| YT0650-330M |
33 |
190 |
3 |
2.3 |
| YT0650-470M |
47 |
230 |
2.6 |
2 |
•YT1040 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YT1040-R15M |
0.15 |
0.65 |
75 |
45 |
| YT1040-R22M |
0.22 |
1 |
60 |
35 |
| YT1040-R30M |
0.3 |
1.1 |
45 |
35 |
| YT1040-R36M |
0.36 |
1.2 |
45 |
30 |
| YT1040-R47M |
0.47 |
1.7 |
40 |
30 |
| YT1040-R56M |
0.56 |
1.8 |
33 |
25 |
| YT1040-R68M |
0.68 |
2.4 |
30 |
23 |
| YT1040-R80M |
0.8 |
2.7 |
29 |
23 |
| YT1040-1R0M |
1 |
3.3 |
28 |
19 |
| YT1040-1R5M |
1.5 |
4.2 |
24 |
16 |
| YT1040-2R2M |
2.2 |
7 |
16.5 |
12 |
| YT1040-3R3M |
3.3 |
11.8 |
16 |
11 |
| YT1040-4R7M |
4.7 |
20 |
13 |
9 |
| YT1040-6R8M |
6.8 |
25 |
12 |
8.5 |
| YT1040-8R2M |
8.2 |
27 |
9 |
8 |
| YT1040-100M |
10 |
30 |
8.5 |
7.8 |
| YT1040-150M |
15 |
45 |
7 |
6.5 |
| YT1040-220M |
22 |
66 |
5.5 |
5 |
| YT1040-330M |
33 |
92 |
4.8 |
4.4 |
| YT1040-470M |
47 |
145 |
3.5 |
3.3 |
| YT1040-680M |
68 |
195 |
3 |
2.5 |
•YT1240 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YT1240-R22M |
0.22 |
0.9 |
50 |
42 |
| YT1240-R47M |
0.47 |
2 |
48 |
33 |
| YT1240-R68M-E50 |
0.68 |
3.5 |
47 |
28 |
| YT1240-R82M-E50 |
0.82 |
4.5 |
40 |
28 |
| YT1240-1R0M-E50 |
1 |
7.5 |
35 |
24 |
| YT1240-1R5M-E50 |
1.5 |
9.5 |
30.5 |
20 |
| YT1240-2R2M-E50 |
2.2 |
11.5 |
26 |
18 |
| YT1240-3R3M-E50 |
3.3 |
13 |
21 |
15 |
| YT1240-4R7M-E50 |
4.7 |
14.5 |
18 |
13 |
| YT1240-6R8M-E50 |
6.8 |
20 |
14 |
9 |
| YT1240-100M-E50 |
10 |
25 |
10 |
8 |
| YT1240-150M-E50 |
15 |
39 |
7.5 |
6.5 |
| YT1240-220M-E50 |
22 |
51 |
6 |
4.5 |
•YT1250 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YT1250-R22M |
0.22 |
0.7 |
75 |
50 |
| YT1250-R36M |
0.36 |
0.85 |
50 |
42 |
| YT1250-R50M |
0.5 |
1.15 |
48 |
38 |
| YT1250-R68M |
0.68 |
1.55 |
46 |
33 |
| YT1250-R82M |
0.82 |
1.67 |
39 |
30 |
| YT1250-1R0M |
1 |
2.2 |
35 |
26 |
| YT1250-1R5M |
1.5 |
3.2 |
33 |
23 |
| YT1250-2R2M |
2.2 |
5 |
24 |
15 |
| YT1250-3R3M-E50 |
3.3 |
7 |
22 |
14 |
| YT1250-4R7M-E50 |
4.7 |
9 |
20 |
13 |
| YT1250-6R8M-E50 |
6.8 |
18 |
16 |
12 |
| YT1250-100M-E50 |
10 |
22 |
12 |
9 |
| YT1250-150M-E50 |
15 |
30 |
10 |
8 |
| YT1250-220M-E50 |
22 |
58 |
6.5 |
4.5 |
| YT1250-330M-E50 |
33 |
84 |
6 |
3.5 |
| YT1250-470M-E50 |
47 |
130 |
5 |
3 |
•YT1260 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YT1260-4R7M-E50 |
4.7 |
9 |
24 |
15 |
| YT1260-5R6M-E50 |
5.6 |
11 |
22.5 |
13 |
| YT1260-6R8M-E50 |
6.8 |
13.5 |
19 |
12 |
| YT1260-8R2M-E50 |
8.2 |
16 |
13.5 |
11 |
| YT1260-100M-E50 |
10 |
20.7 |
12.5 |
10 |
| YT1260-120M-E50 |
12 |
23 |
10 |
9 |
| YT1260-150M-E50 |
15 |
29 |
9 |
8.5 |
| YT1260-180M-E50 |
18 |
35 |
8 |
7.5 |
| YT1260-220M-E50 |
22 |
39.5 |
7.5 |
7 |
| YT1260-270M-E50 |
27 |
56 |
6.5 |
6 |
| YT1260-330M-E50 |
33 |
75 |
6 |
5.5 |
| YT1260-470M-E50 |
47 |
90 |
5.5 |
5 |
| YT1260-680M-E50 |
68 |
140 |
4.5 |
4 |
| YT1260-101M-E50 |
100 |
200 |
3.5 |
3 |
| YT1260-121M-E50 |
120 |
235 |
3.2 |
2 |
| YT1260-151M-E50 |
150 |
350 |
2.7 |
1.5 |
•YT1265 TYPE
| Part No. |
Inductance |
DC Resistance |
Saturation Current |
Heating Rating Current |
| L0 (μH) |
DCR (mΩ) |
Isat (A) |
Irms (A) |
| ±20 %, 100 kHz, 1V |
MAX. |
TYP. |
TYP. |
| YT1265-4R7M-E50 |
4.7 |
8 |
22 |
16 |
| YT1265-5R6M-E50 |
5.6 |
10.5 |
20 |
14 |
| YT1265-6R8M-E50 |
6.8 |
12 |
19 |
13 |
| YT1265-8R2M-E50 |
8.2 |
14 |
17 |
12 |
| YT1265-100M-E50 |
10 |
19 |
14 |
11 |
| YT1265-150M-E50 |
15 |
26 |
12 |
9.5 |
| YT1265-220M-E50 |
22 |
36 |
9 |
8 |
| YT1265-330M-E50 |
33 |
65 |
8 |
6.5 |
| YT1265-470M-E50 |
47 |
75 |
6.8 |
5.5 |
| YT1265-680M-E50 |
68 |
125 |
5 |
4.5 |
| YT1265-101M-E50 |
100 |
180 |
4 |
3.5 |
• Notes
- All test data is referenced to 25 °C ambient
- Operating temperature range – 55 °C to + 125 °C
- Irms (A):DC current (A) that will cause an approximate ΔT of 40 °C(reference ambient temperature is 25 °C)
- Isat(A):DC current (A) that will cause L0 to drop approximately 30 %
- The part temperature (ambient + temp rise) should not exceed 125 °C under worst case operating conditions.Circuit design, component placement, PWB trace size and thickness, airflow and other cooling provisions all affect the part temperature. Part temperature should be verified in the end application.
- Absolute maximum voltage 30VDC