SMD Wire Wound Chip Inductor (WL Series WL02KT20N) Manufacturers

SMD Wire Wound Chip Inductor (WL Series WL02KT20N)

WL02KT20N

SMD Wire Wound Chip Inductor (WL Series WL02KT20N) Files Download

Wire wound ceramic chip inductor, high frequency, RF inductor for high SRF, Excellent Q , superior temperarture tability. Stable inductance in hihg frequency circuit. High stable design for critical needs.
WL Series0402 ±10% 20nHμH 0.25 Ω 420mA 25 3GHz

Size	Tolerance	Inductance	Test Condition	DCR (Ω) max.	IDC (mA)	Q	SRF
0402	±10%	20nH	250MHz	0.25	420	25	3GHz

High Current Electrical Specifications

WL03(H) Wire Wound Chip Inductors / High Current Type

Inductance (nH)	Tolerance	L Freq. (MHz)	Quality Factor min.	SRF (GHz) min.	DCR (Ω) max.	IDC (mA) max.
1.6	± 5, ± 10%	250	24	12.50	0.030	2400
3.6	± 5, ± 10%	250	24	5.90	0.048	2300
3.9	± 5, ± 10%	250	25	5.90	0.054	2200
6.8	± 5, ± 10%	250	35	5.80	0.054	2100
7.5	± 5, ± 10%	250	38	3.70	0.059	2100
8.2	± 5, ± 10%	250	38	3.70	0.060	2000
10	± 2, ± 5, ± 10%	250	38	3.70	0.071	2000
12	± 2, ± 5, ± 10%	250	38	3.00	0.075	2000
15	± 2, ± 5, ± 10%	250	38	2.80	0.080	1900
18	± 2, ± 5, ± 10%	250	40	2.80	0.099	1900
22	± 2, ± 5, ± 10%	250	42	2.40	0.099	1800
24	± 2, ± 5, ± 10%	250	42	2.40	0.105	1800

High Q Electrical Specifications

WL02(H) Wire Wound Chip Inductors / High Q Type

Inductance (nH)	Tolerance	L Freq. (MHz)	Quality Factor		SRF (GHz) min.	DCR (Ω) max.	IDC (mA) max.
Inductance (nH)	Tolerance	L Freq. (MHz)	900MHz	1.7GHz	SRF (GHz) min.	DCR (Ω) max.	IDC (mA) max.
1.0	± 0.2nH, ± 0.5nH, ± 5%, ± 10%	250	46	75	16.0	0.030	2300
2.0	± 0.2nH, ± 0.5nH, ± 5%, ± 10%	250	58	85	15.2	0.038	2100
2.2	± 0.2nH, ± 0.5nH, ± 5%, ± 10%	250	60	86	15.1	0.038	2100
2.4	± 0.2nH, ± 0.5nH, ± 5%, ± 10%	250	60	83	14.0	0.042	2000
2.7	± 0.2nH, ± 0.5nH, ± 5%, ± 10%	250	62	85	13.0	0.075	1500
3.3	± 0.2nH, ± 0.5nH, ± 5%, ± 10%	250	66	95	12.8	0.045	1700
3.6	± 0.2nH, ± 0.5nH, ± 5%, ± 10%	250	65	94	11.7	0.045	1700
3.9	± 0.2nH, ± 0.5nH, ± 5%, ± 10%	250	64	98	9.50	0.045	1700
4.3	± 0.5nH, ± 5%, ± 10%	250	63	90	7.15	0.050	1600
4.7	± 0.5nH, ± 5%, ± 10%	250	58	83	6.85	0.070	1500
5.1	± 2%, ± 5%, ± 10%	250	54	76	6.80	0.115	1200
5.6	± 2%, ± 5%, ± 10%	250	73	105	6.50	0.050	1600
6.2	± 2%, ± 5%, ± 10%	250	73	100	5.80	0.055	1600
6.8	± 2%, ± 5%, ± 10%	250	68	94	5.80	0.065	1500
7.5	± 2%, ± 5%, ± 10%	250	60	82	5.40	0.090	1400
8.2	± 2%, ± 5%, ± 10%	250	68	95	5.40	0.065	1500
8.7	± 2%, ± 5%, ± 10%	250	68	95	5.00	0.065	1500
9.0	± 2%, ± 5%, ± 10%	250	67	92	5.00	0.080	1400
9.5	± 2%, ± 5%, ± 10%	250	64	90	4.70	0.090	1400
10	± 2%, ± 5%, ± 10%	250	62	90	4.70	0.100	1300
11	± 2%, ± 5%, ± 10%	250	68	98	4.70	0.065	1400
12	± 2%, ± 5%, ± 10%	250	66	100	4.40	0.100	1200
13	± 2%, ± 5%, ± 10%	250	62	82	4.20	0.150	870
15	± 2%, ± 5%, ± 10%	250	62	85	3.90	0.110	1100
16	± 2%, ± 5%, ± 10%	250	57	77	3.70	0.140	850
18	± 2%, ± 5%, ± 10%	250	58	74	3.55	0.120	900
19	± 2%, ± 5%, ± 10%	250	61	88	3.50	0.145	850
20	± 2%, ± 5%, ± 10%	250	58	76	3.50	0.185	780
21	± 2%, ± 5%, ± 10%	250	48	62	1.70	0.460	450
22	± 2%, ± 5%, ± 10%	250	60	74	3.30	0.160	800
23	± 2%, ± 5%, ± 10%	250	60	77	3.30	0.160	800
24	± 2%, ± 5%, ± 10%	250	55	71	3.15	0.200	700
25	± 2%, ± 5%, ± 10%	250	57	73	3.15	0.250	600
26	± 2%, ± 5%, ± 10%	250	56	74	3.15	0.285	450
27	± 2%, ± 5%, ± 10%	250	62	86	3.20	0.320	450
30	± 2%, ± 5%, ± 10%	250	61	87	2.90	0.330	450
33	± 2%, ± 5%, ± 10%	250	61	80	2.80	0.330	490
36	± 2%, ± 5%, ± 10%	250	59	76	2.80	0.380	480
37	± 2%, ± 5%, ± 10%	250	57	72	2.70	0.460	470
39	± 2%, ± 5%, ± 10%	250	56	84	2.60	0.430	450
40	± 2%, ± 5%, ± 10%	250	56	75	2.60	0.430	450
43	± 2%, ± 5%, ± 10%	250	52	68	2.50	0.520	450
47	± 2%, ± 5%, ± 10%	250	48	62	2.40	0.580	420
51	± 2%, ± 5%, ± 10%	250	52	59	2.30	0.700	360

WL03(Q) Wire Wound Chip Inductors / High Q Type

Inductance (nH)	Tolerance	L Freq. (MHz)	Q Typ at 250(MHz)	SRF Typ (GHz)	DCR (Ω) max.	IDC (mA) max.	900MHz		1.7GHz
Inductance (nH)	Tolerance	L Freq. (MHz)	Q Typ at 250(MHz)	SRF Typ (GHz)	DCR (Ω) max.	IDC (mA) max.	L Typ	Q Typ	L Typ	Q Typ
1.8	± 5, ± 10%	250	23	16.0	0.033	2100	1.77	40	1.77	65
2.2	± 5, ± 10%	250	13	15.0	0.180	900	2.14	25	2.12	35
3.0	± 5, ± 10%	250	35	9.50	0.024	1000	2.96	65	2.97	85
3.3	± 5, ± 10%	250	32	9.60	0.024	1900	3.28	67	3.32	104
3.6	± 2, ± 5, ± 10%	250	40	9.70	0.031	1900	3.59	70	3.62	116
3.9	± 2, ± 5, ± 10%	250	35	7.50	0.039	1600	3.88	68	3.95	108
4.3	± 2, ± 5, ± 10%	250	30	7.50	0.080	1300	4.29	58	4.31	91
4.7	± 2, ± 5, ± 10%	250	26	7.90	0.100	1100	4.65	48	4.71	75
5.1	± 2, ± 5, ± 10%	250	40	8.90	0.036	1700	5.08	84	5.12	140
5.6	± 2, ± 5, ± 10%	250	48	6.60	0.036	1700	5.6	87	5.73	456
6.0	± 2, ± 5, ± 10%	250	49	6.00	0.036	1700	5.92	94	6.12	154
6.8	± 2, ± 5, ± 10%	250	42	5.80	0.042	1400	6.83	88	7.05	143
7.2	± 2, ± 5, ± 10%	250	48	5.40	0.052	1400	7.25	96	7.38	139
7.5	± 2, ± 5, ± 10%	250	41	5.30	0.080	1300	7.55	81	7.85	12
8.2	± 2, ± 5, ± 10%	250	46	5.90	0.054	1400	8.21	96	8.39	148
8.7	± 2, ± 5, ± 10%	250	46	5.50	0.054	1400	8.73	97	9.00	149
9.1	± 2, ± 5, ± 10%	250	40	5.10	0.037	1400	9.18	76	9.64	109
9.5	± 2, ± 5, ± 10%	250	49	4.90	0.053	1400	9.56	98	9.99	149
10	± 2, ± 5, ± 10%	250	49	4.30	0.048	1400	10.16	90	10.64	142
11	± 2, ± 5, ± 10%	250	41	4.10	0.058	1400	11.06	78	11.82	108
12	± 2, ± 5, ± 10%	250	37	4.10	0.088	1100	12.26	69	13.2	91
15	± 2, ± 5, ± 10%	250	48	3.60	0.078	1200	15.41	83	17.2	124
16	± 2, ± 5, ± 10%	250	45	3.50	0.085	1100	16.37	77	18.7	116
18	± 2, ± 5, ± 10%	250	41	3.30	0.066	1200	18.56	76	20.9	100
22	± 2, ± 5, ± 10%	250	44	3.15	0.140	850	22.7	77	25.9	88
23	± 2, ± 5, ± 10%	250	40	3.00	0.183	850	24	69	29.53	80
24	± 2, ± 5, ± 10%	250	42	2.95	0.074	1100	24.9	77	28.9	91
27	± 2, ± 5, ± 10%	250	44	2.80	0.150	780	28.4	74	34.0	84
30	± 2, ± 5, ± 10%	250	49	2.80	0.130	920	31.5	82	37.9	82
33	± 2, ± 5, ± 10%	250	45	2.70	0.170	680	34.9	76	42.9	80
36	± 2, ± 5, ± 10%	250	44	2.50	0.225	720	38.5	69	50.0	64
39	± 2, ± 5, ± 10%	250	48	2.45	0.19	680	41.5	78	51.9	74
43	± 2, ± 5, ± 10%	250	45	2.45	0.17	810	45.7	83	58.1	76
47	± 2, ± 5, ± 10%	200	47	2.30	0.24	680	50.6	77	66.9	72
51	± 2, ± 5, ± 10%	200	49	2.30	0.28	660	54.6	73	71.3	62
56	± 2, ± 5, ± 10%	200	50	2.20	0.30	610	60.3	74	79.9	56
68	± 2, ± 5, ± 10%	200	46	2.00	0.33	600	75.5	73	113.3	49
72	± 2, ± 5, ± 10%	150	46	1.90	0.42	550	80.8	69	-	-
75	± 2, ± 5, ± 10%	150	46	1.90	0.52	500	84.6	71	-	-
82	± 2, ± 5, ± 10%	150	45	1.80	0.46	510	94	62	-	-
91	± 2, ± 5, ± 10%	150	45	1.65	0.58	440	103	64	-	-
100	± 2, ± 5, ± 10%	150	49	1.70	0.54	470	114	69	-	-
110	± 2, ± 5, ± 10%	150	47	1.60	0.58	440	126.2	63	-	-
120	± 2, ± 5, ± 10%	150	47	1.55	0.72	420	142.4	61	-	-
150	± 2, ± 5, ± 10%	150	47	1.35	0.82	390	188.8	57	-	-
180	± 2, ± 5, ± 10%	100	48	1.30	1.50	310	232.2	50	-	-
200	± 2, ± 5, ± 10%	100	47	1.25	2.00	280	265	47	-	-
210	± 2, ± 5, ± 10%	100	48	1.20	2.00	280	288	45	-	-
220	± 2, ± 5, ± 10%	100	47	1.10	2.00	280	315	41	-	-
250	± 2, ± 5, ± 10%	100	45	1.05	3.00	240	-	-	-	-
270	± 2, ± 5, ± 10%	100	46	1.05	2.25	260	-	-	-	-
300	± 2, ± 5, ± 10%	100	47	0.99	2.80	220	-	-	-	-
330	± 2, ± 5, ± 10%	100	46	0.93	3.60	180	-	-	-	-
360	± 2, ± 5, ± 10%	100	47	0.93	4.00	170	-	-	-	-
390	± 2, ± 5, ± 10%	100	47	0.88	4.00	170	-	-	-	-

WL05(H) Wire Wound Chip Inductors / High Q Type

Inductance (nH)	Tolerance	L Freq. (MHz)	Quality Factor min.	SRF (GHz) min.	DCR (Ω) max.	IDC (mA) max.
2.5	± 5, ± 10%	250	80 @ 1500MHz	6.00	0.020	1600
5.6	± 5, ± 10%	250	98 @ 1500MHz	6.00	0.035	1600
6.2	± 5, ± 10%	250	88 @ 1000MHz	4.75	0.035	1600
6.8	± 5, ± 10%	250	80 @ 1000MHz	4.40	0.035	1600
8.2	± 5, ± 10%	250	75 @ 1000MHz	3.00	0.075	1000
10	± 5, ± 10%	250	80 @ 1000MHz	3.00	0.060	1600
12	± 5, ± 10%	250	80 @ 1000MHz	3.00	0.045	1600
15	± 2, ± 5, ± 10%	250	80 @ 1000MHz	2.80	0.100	1200
16	± 2, ± 5, ± 10%	250	72 @ 500MHz	2.95	0.060	1500
18	± 2, ± 5, ± 10%	250	75 @ 500MHz	2.55	0.060	1400
20	± 2, ± 5, ± 10%	250	70 @ 500MHz	2.05	0.055	1400
22	± 2, ± 5, ± 10%	250	80 @ 500MHz	2.00	0.100	1200
27	± 2, ± 5, ± 10%	250	75 @ 500MHz	2.00	0.070	1300
30	± 2, ± 5, ± 10%	250	65 @ 500MHz	1.95	0.095	1200
39	± 2, ± 5, ± 10%	250	65 @ 500MHz	1.60	0.110	1100
48	± 2, ± 5, ± 10%	200	65 @ 500MHz	1.40	0.095	1200
51	± 2, ± 5, ± 10%	200	65 @ 500MHz	1.40	0.120	1000

WL08(H) Wire Wound Chip Inductors / High Q Type

Inductance (nH)	Tolerance	L Freq. (MHz)	Quality Factor min.	SRF (GHz) min.	DCR (Ω) max.	IDC (mA) max.
3.0	± 5, ± 10%	50	70 @ 1500MHz	6.00	0.04	1600
3.9	± 5, ± 10%	50	75 @ 1500MHz	6.00	0.05	1600
4.1	± 5, ± 10%	50	75 @ 1500MHz	6.00	0.05	1600
7.8	± 5, ± 10%	50	75 @ 500MHz	3.80	0.05	1600
10	± 2, ± 5, ± 10%	50	60 @ 500MHz	3.60	0.06	1600
12	± 2, ± 5, ± 10%	50	70 @ 500MHz	2.80	0.06	1500
18	± 2, ± 5, ± 10%	50	62 @ 350MHz	2.70	0.07	1400
22	± 2, ± 5, ± 10%	50	62 @ 350MHz	2.05	0.07	1400
33	± 2, ± 5, ± 10%	50	75 @ 350MHz	1.70	0.09	1300
39	± 2, ± 5, ± 10%	50	75 @ 350MHz	1.30	0.09	1300
47	± 2, ± 5, ± 10%	50	75 @ 350MHz	1.45	0.12	1200
56	± 2, ± 5, ± 10%	50	75 @ 350MHz	1.23	0.12	1200
68	± 2, ± 5, ± 10%	50	80 @ 350MHz	1.15	0.13	1100
82	± 2, ± 5, ± 10%	50	80 @ 350MHz	1.06	0.16	1100
100	± 2, ± 5, ± 10%	50	50 @ 350MHz	0.82	0.16	1000
120	± 2, ± 5, ± 10%	100	50 @ 100MHz	0.82	0.16	1000

☑ Parts (3.0nH, 7.8nH) are wound on a low profile bobbin. (Max 2.41 x 2.01 x 1.09)

Environmental Characteristics

Electrical Performance Test

Item	Requirement	Test Method
Inductance	Refer to standard electrical characteristic spec.	HP4286/E4982A
Q		HP4286/E4982A
SRF		HP4287/E4982A
DC Resistance RDC		Micro-Ohm meter (Gom-801G)/E4982A
Rated Current IDC		Applied the current to coils, the temperature of coil increases ΔT15°C (Ta = 25°C).
Over Load	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 minutes
Withstanding Voltage	Inductors shall be no evidence of electrical and mechanical damage.	AC voltage of 500 VAC applied between inductors terminal and case for 1 min.
Insulation Resistance	1000M ohm min.	100 VDC applied between inductor terminal and case

Mechanical Performance Test

Item	Requirement	Test Method
Vibration	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 1 min. Amplitude: 1.5 mm Time: 2 hrs for each axis (X, Y & Z), total 6 hrs
Resistance to Soldering Heat		Solder Temperature: 260± 5°C Immersion Time: 10± 2 seconds
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	No damage	Dropping chip by each side and each corner. Drop 10 times in total Drop height: 100 cm Drop weight: 125 g
Solderability	90% covered with solder	Inductor shall be dipped in a melted solder bath at 245± 5°C for 3 seconds
Resistance to Solvent	No damage on appearance and marking	MIL-STD-202, Method 215

Climatic Test

Item

Requirement

Item

Temperature Characteristic

Appearance: No damage
L change: within ± 10%
Q change: within ± 20%

-40°C ~ +125°C

Humidity

Temperature: 40± 2°C
Relative Humidity: 90 ~ 95%
Time: 96± 2 hrs
Measured after exposure in the room condition for 2 hrs

Low Temperature Storage

Temperature: -40± 2°C
Time: 96± 2 hrs
Inductors are tested after 1 hour at room temperature

Thermal Shock

One cycle:

Step	Temperature (°C)	Time (min.)
1	-25± 3	30
2	25± 2	15
3	125± 3	30
4	25± 2	15

Total: 5 cycles

High Temperature Storage

Temperature: 125± 2°C
Time: 96± 2 hrs
Measured after exposure in the room condition for 1hour

High Temperature Load Life

There should be no evidence of short of open circuit.

Temperature: 85± 2°C
Time: 1000± 12 hrs
Load: Allowed DC current

Damp Heat with Load

Temperature: 40± 2°C
Relative Humidity: 90 ~ 95%
Time: 1000± 12 hrs
Load: Allowed DC current

☑ Storage Temperature: 15 ~ 28°C; Humidity < 80%RH

Soldering Condition

(1) Time of IR reflow soldering at maximum temperature point 260°C: 10s

Packaging

Reel Dimensions & Packaging Quantity (Unit : mm)

Paper Tape specification and Packaging Quantity (Unit : mm)

Wire Wound Chip Inductor (WL) - Paper Tape specification and Packaging Quantity

Type	A	B	H	F	P	P0	P1	W	Reel (EA)
WL02	0.81	1.23	0.73	3.50	2.00	4.00	2.00	8.00	4,000
WL03	1.35	1.95	0.95	3.50	4.00	4.00	2.00	8.00	4,000

Embossed Plastic Tape specification and Packaging Quantity (Unit : mm)

Wire Wound Chip Inductor (WL) - Embossed Plastic Tape specification and Packaging Quantity

Type	A	B	C	D	E	F	G	H	J	Reel (EA)
WL05	8	1.85	4	2.30	3.5	1.75	2	1.45	0.23	2,000
WL05 (H)	8	1.85	4	2.30	3.5	1.75	2	1.45	0.23	2,000
WL08	8	2.70	4	2.80	3.5	1.75	2	2.00	0.23	2,000
WL08 (H)	8	2.70	4	2.80	3.5	1.75	2	2.00	0.23	2,000

Files Download

Data Sheet
SMD Wire Wound Chip Inductor - WL Series

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SMD Wire Wound Chip Inductor (WL Series WL02KT20N) Manufacturer - Viking

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SMD Wire Wound Chip Inductor (WL Series WL02KT20N) Manufacturers - Viking

SMD Wire Wound Chip Inductor (WL Series WL02KT20N)