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Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: frontiersales@frontierusa.com
Web: http://www.frontierusa.com
SMD Air Wound Coils--292A & 292B series
A. Electrical specifications:
Part No.
292A-02 292A-03 292A-04 292A-05 292B-06 292B-07 292B-08 292B-09 292B-10
Turns
2 3 4 5 6 7 8 9 10
L (nH) Tolerance Q (Min.) Test Freq.
1.65 2.55 3.85 5.45 5.60 7.15 8.80 9.85 12.55 K K, J J, G J, G J, G J, G J, G J, G J, G 100 100 100 100 100 100 100 100 100 800 MHz 800 MHz 800 MHz 800 MHz 800 MHz 800 MHz 800 MHz 800 MHz 800 MHz
DCR max. (m) 4.0 5.0 6.0 8.0 9.0 10.0 12.0 13.0 14.0
SRF min. (GHz) 10.0 8.2 7.5 7.0 6.5 6.0 6.0 5.2 4.6
I DC (A max.) 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6
B. Mechanical dimensions: (Unit: mm)
Series No. 292A 292B a 1.42 0.13 1.42 0.13 b 0.89 0.25 0.89 0.25 c 1.37 0.15 1.37 0.15 d 2.2 0.25 4.04 0.30 e 1.83 0.25 3.66 .30
Mechanical dimension C. Land Pattern: (Unit: mm)
Series No.
292A 292B
Land Pattern
c
1.04 2.87
a
2.62 4.45
b
2.46 2.46
d
1.02 1.02
E
0.79 0.79
D. Notes:
1. Tolerance: a. 292A-02: K = 10 % only. b. 292A-03: J = 5 % or K = 10 %. c. 292A-04 / 292A-05 and 292B-06 through 292B-10: J = 5 % or G = 2 %. 2. Inductance & Q measured on the HP4291B with HP16193 test fixture. 3. SRF measured on the HP8720D or HP8753E. 4. Operating temp. : -40C TO +125C. 5. For Temperature Rise: 15C. 6. Inductance Range: (@ 25C.) 292A & 292B: From 1.65nH to 12.55nH. 7. Equivalent to Coilcraft's "Micro Spring" Air Core Inductor. 8. RoHS compliant.
SMD Air Coil: P/N 292A & 292B Series Rev. B Feb. 01, 2007. Page: 1 of 2
Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: frontiersales@frontierusa.com Web: http://www.frontierusa.com
SMD Air Wound Coils--292A & 292B series
E. Characteristic curve:
1. L vs. Frequency:
8
18 15
Inductance (nH)
292A-05 4
Inductance (nH)
6
292B-10
12 9 6 3 0
292B-09 292B-08 292B-07 292B-06
292A-04 292A-03 292A-02
2
0 1 10 100 1000 10000
10
100
1000
10000
Frequency (MHz)
Frequency (MHz)
292A Series
292B Series
2.
200
Typical Q vs. Frequency:
150
03 150 02 04 05
10 09 08 07
100
06
Q 100
Q
50
50
0 10 100 1000 10000
0
Frequency (MHz)
10
100
1000
10000
F u cy(M z) req en H
292A Series
292B Series
SMD Air Coil: P/N 292A & 292B Series
Rev. B
Feb. 01, 2007. Page: 2 of 2

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Price & Availability of 292A-02

Part #	Manufacturer	Description	Price	BuyNow Qty.
B82559A3292A025 10AC5798	TDK Epcos	Inductor, 2.9Uh, 7%, Shielded; Inductance:2.9Μh; Rms Current (Irms):-; Inductor Construction:Shielded; Saturation Current (Isat):33A; Product Range:Eru25 B82559 Series; Power Inductor Case:25.3Mm X 23.5Mm X 9Mm; Dc Resistance Rohs Compliant: Yes \|Epcos B82559A3292A025	100: USD5.65 50: USD5.93 25: USD6.21 10: USD6.69 1: USD7.96	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
B82559A3292A025 495-B82559A3292A025-ND	TDK Epcos	FIXED IND 2.9UH 1 MOHM SMD	25: USD3.7944 10: USD3.987 1: USD4.85	14653

Part #	Manufacturer	Description	Price	BuyNow Qty.
B82559A3292A025 871-B82559A3292A025	TDK Corporation	Power Inductors - SMD 2.9uH 33A 7% 23.5x23.5mm SMD	1: USD4.85 10: USD3.99 25: USD3.8 280: USD3.8 560: USD3.79	182

Part #	Manufacturer	Description	Price	BuyNow Qty.
8.5020.292A.0256.0020 73414491	Fritz Kuebler Gmbh	Incremental; Spring Element; 8mm bore; 7272/5-30V; 2m Cable; 256PPR \| Kuebler 8.5020.292A.0256.0020	1: USD379.57	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
91292A021	SOCKET SCREWS			23

Part #	Manufacturer	Description	Price	BuyNow Qty.
B82559A3292A025 B82559A3292A025	TDK Corporation	Power Inductors - SMD 2.9uH 33A 7% 23.5x23.5mm SMD	280: USD3.84	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
91292A020	MFG UPON REQUEST			220
B82559A3292A025	TDK Epcos			26
LT0292A02	MFG UPON REQUEST			10994

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