Capacitors - Doorknob RF Transmitting Capacitors

Morgan Electroceramics is an international manufacturer of advanced ceramic materials and components. Morgan's Capacitor Division specialises in the development and production of dielectric and ferroelectric materials and components. The ceramic materials used in the above range are Type 1 dielectrics, these materials have very low dielectric loss and linear temperature coefficient of capacitance which make them ideally suitable for high power application where minimum capacitance change is required.

Features

Low dielectric loss resulting in low self heating.
Linear temperature coefficient.
Small size.
High Voltage / High Reactive Power Rating.

Applications include

Radio Broadcast Transmitters.
Antenna units.
Filter, bypass and coupling circuits in the frequency range 50kHz to 100MHz.

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Material Characteristics
EIA Category	NP0 , N750, Z5U, Z5T
Available Tolerance	5%, 10%, 20% (2% consult factory)
Typical Dissipation Factor @ 1kHz 20°C 1Vrms	=<1x10^-4
Proof Voltage	1.5 x Ur / 60secs
Insulation Resistance @ 1kVdc, 60secs, 20°C	>=10¹¹ohm
Operating Temperature Range	-55 to +95°C

Terminal Style 'A'
Terminal Style 'B'
Terminal Style 'C'

Range

Type Number	Terminal Style	Temp Coeff	Cap Range	Rated Volts	OD	H Max	Reactive Power	Rated Current
				kVdc	mm	mm	kVAr	Arms
61	A 10-32 UNF Thread	NP0	10 - 75	15	31.9	46	50	13
62		N750	75 - 200	15	30.5	46	35	13
63		N3300 N4700	250 - 400 500	15	31.9	46	5.44* 2.15*	3.7* 2.6*
64		Z5T Z5U	750 - 1200 1500	15	30.5	46	0.58* 0.61*	2.1* 2.4*
65	A 6-32 UNF Thread	NP0	5 - 75	7.5	20.83	22.61	25	10
66		N750	40 - 170	7.5	20.83	22.61	20	10
67		N3300 N4700	200 - 400 500 - 700	7.5	20.83	22.61	3.58* 2.78*	3.0* 3.5*
68		Z5T Z5U	800 - 900 1000 - 2500	7.5	20.83	22.61	0.45* 0.21*	1.6* 1.8*
69	B	NP0	7 - 20	5	12.7	11.1	1.54*	0.44*
69	C 2-56 UNC	NP0	7 - 20	5	14.3	12.3	1.54*	0.44*
70	B	N750	30 - 45	5	12.7	11.1	3.53*	1.0*
70	C 2-56 UNC	N750	30 - 45	5	14.3	12.3	3.53*	1.0*
71	B	NP0	3 - 7	5	7.14	8.73	0.58*	0.16*
71	C 2-56 UNC	NP0	3 - 7	5	7.94	9.92	0.58*	0.16*
72	B	N750	8 - 15	5	7.14	8.73	1.15*	0.33*
72	C 2-56 UNC	N750	8 - 15	5	7.94	9.92	1.15*	0.33*
73	B	NP0	1 - 14	5	9.52	9.52	1.09*	0.31*
73	C 2-56 UNC	NP0	1 - 14	5	11.1	10.7	1.09*	0.31*
74	B	N750	15 - 40	5	9.52	9.52	3.15*	0.89*
74	C 2-56 UNC	N750	15 - 40	5	11.1	10.7	3.15*	0.89*

* KVA & Current ratings for max. capacitance in range @ 1MHz

Here's how to order...

441	67	200	0	3	2
Type N°	Type	Capacitance	Capacitance Multiplier	Tolerance	End Code
			0 = x1	4 = ±2%	2 = UNF / UNC
		First Three significant figures	1 = x10	3 = ±5%	0=
			2 = x100	2 = ±10%
			3 = x1000	1 = ±20%
			8 = /10
				0 = non-standard

		Example shown is 200 0 = 200pF

All enquiries for this product should be made to:

Morgan Electro Ceramics Ltd
Vauxhall Industrial Estate, Ruabon, Wrexham, LL14 6HY, England
Telephone: +44 (0)1978 810456
Fax: +44 (0)178 824303
Email: ruabon.sales@morganplc.com

If you have a general enquiry we suggest you use our enquiry form.

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© Morgan Electro Ceramics, 2007.
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