CK, CD, CQ - CM Interface - www.nordtek.com

CK, CD, CQ - CM Interface

Features

High attenuation over a wide frequency range
Low interwinding and coupling capacitance
Wide inductance range
Compact and miniature sizes for high density packaging
Excellent quality at extremely competitive price due to high volume production
Manufactured in ISO-9001 approved facility
Other inductance values available upon request

Current Compensated EMI noise suppression chokes
Double Chokes for RFI suppression
Quad Chokes for voltage interference suppression

Mechanical Outlines & Dimensions

Electrical Specifications @ 25°C

Operating temperature: 0°C to 70°C
Storage temperature: -25°C to 105°C
Test voltage between windings: 500 Vrms
Test frequency: Inductance measured @ 10kHz/100mVrms

CK Series
- Current Compensated EMI Noise Suppression Chokes for Data and Signal Line Filtering

Part Number	L_N (µH) ±30%	I_N (mA)	L_L (µH)	R_CU (mOhms)	V_P (Vrms)	Windings per core	Package	Schematic
CKV_0.12-A CKV_4.7-A	120 4,700	100 100	0.35 0.85	90 460	500 500	2 2	V V	A A
CKV_10-A CKV_16-A	10,000 16,000	100 100	1.15 1.20	670 830	500 500	2 2	V V	A A
CKV_38-A CKV_68-A	38,000 68,000	100 100	2.30 2.30	2,600 4,630	500 500	2 2	V V	A A

Mechanical Outlines & Dimensions

CD Series - Double Chokes for EMI Noise Suppression of ISDN U Interface

Part Number	L_N (µH) ±30%	I_N (mA)	L_L (µH)	R_CU (mOhms)	V_P (Vrms)	Windings per core	Package	Schematic
CD_-1.0-A CD_-1.7-A	1,000 1,700	600 550	0.40 0.42	180 200	500 500	2 2	F, V, S, W F, V, S, W	A A
CD_-2.2-A CD_-3.3-A	2,200 3,300	350 350	0.45 0.50	300 370	500 500	2 2	F, V, S, W F, V, S, W	A A
CD_-4.7-A CD_-6.8-A	4,700 6,800	350 350	0.55 0.55	430 510	500 500	2 2	F, V, S, W F, V, S, W	A A
CD_-10-A CD_-12-A	10,000 12,000	350 300	0.65 0.70	620 680	500 500	2 2	F, V, S, W F, V, S, W	A A
CD_-15-A CD_-22-A	15,000 22,000	300 300	0.80 0.85	760 920	500 500	2 2	F, V, S, W F, V, S, W	A A
CD_-28-A CD_-33-A	28,000 33,000	300 300	0.95 1.05	1,020 1,120	500 500	2 2	F, V, S, W F, V, S, W	A A
CD_-50-A CD_-70-A	50,000 70,000	300 300	1.35 2.00	1,800 2,150	500 500	2 2	F, V, S, W F, V, S, W	A A

Mechanical Outlines & Dimensions

CQ Series - Quad Chokes for EMI Noise Suppression of ISDN S Interface

Part Number	L_N (µH) ±30%	I_N (mA)	L_L (µH)	R_CU (mOhms)	V_P (Vrms)	Windings per core	Package	Schematic
CQ_-1.0-B CQ_-1.7-B	1,000 1,700	400 350	0.40 0.40	200 260	500 500	4 4	F, V, S, W F, V, S, W	B B
CQ_-2.2-B CQ_-3.3-B	2,200 3,300	300 300	0.45 0.50	310 380	500 500	4 4	F, V, S, W F, V, S, W	B B
CQ_-5.0-B CQ_-6.8-B	5,000 6,800	300 300	0.55 0.55	450 850	500 500	4 4	F, V, S, W F, V, S, W	B B
CQ_-10-B CQ_-12-B	10,000 12,000	300 250	0.65 0.65	1,060 1,120	500 500	4 4	F, V, S, W F, V, S, W	B B
CQ_-58-B CQ_-90-B	58,000 90,000	200 150	1.50 2.00	2,400 4,150	500 500	4 4	F, V, S, W F, V, S, W	B B

Mechanical Outlines & Dimensions

When ordering Series CD or CQ use prefix F,V or J to designate desired package style.
CDF/CQF = Flat package, through-hole, DIL mount
CDV/CQV = Vertical package, through-hole, DIL mount
CDJ/CQJ = Surface Mount, 16.6 x 13.2 mm

Dimensions

Dimensions: Inches(Millimetres)
Tolerance: ±0.10 (0.25) unless specified otherwise.

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