Brownsburg Electronik inc.

hhCaracteristics		S M A L L C H O K E

General purpose or used for filtering or delaying. Small or high current. Various sizes and shapes.	Many values not listed please inquire. Many materials available; - Powdered iron - Ferrite
We custom design to your spec. Please contact factory.
PDF document(3Ko)

sdModels

Molded R.F. chokes (resistor type 0.157)
CAt.No	L uH	Q min	test Freq.	SRF MHz	DCR	I dc (mA)
KM121A	1.2	50	7.96 MhZ	144.0	0.18	880
KM102A	10	80	7.96 MhZ	40.0	0.65	500
KM222A	22	60	2.52 MhZ	9.9	0.90	410
KM123A	120	60	0.796 MhZ	3.8	3.0	185
KM473A	470	50	0.796 MhZ	1.8	8.5	126

Open R.F. chokes (Powdered Iron 0.290)
CAt.No	L uH	Q min	test Freq.	SRF MHz	DCR	Amps max.
KR102A	10	69	2.5 MhZ	40	0.11	1.5
KR152A	15	62	2.5 MhZ	33	0.17	1.0
KR242A	24	65	2.5 MhZ	25	0.34	0.8
KR392A	39	70	2.5 MhZ	20	0.65	0.6
KR552A	55	72	2.5 MhZ	17	1.0	0.5
KR103A	100	107	0.79 MhZ	12	3.0	0.4

Heavy Duty Hash Chokes (Powerdered Iron)
CAt.No	L uH	DCR	SRF MHz	Amps	Dia.
KR331B	3.35	0.010	45	20	0.53
KR491B	4.9	0.016	42	15	0.50
KR881B	8.8	0.021	28	10	0.50
KR401B	4.	0.012	24.3	8	0.31
KR402B	40.	0.082	10.4	3	0.56
KR682B	68.	0.054	5.7	5	0.53
KR103B	100	0.216	4.1	2	0.31
KR123B	125	0.08	2.65	3.5	0.50
KR253B	250	0.17	1.5	2.5	0.43
KR503B	500	0.26	1.17	2	0.56
KR104B	1000	0.55	---	1	0.50

Heavy Duty Hash Chokes (Ferrite) (Test frequency 1 kHz)
CAt.No	L uH	Q min	DRC	Amps	Dia.
KR102C	10	4.5	.006	20	0.63
KR202C	20	6.5	.013	12.5	0.60
KR302C	30	5.3	.024	8	0.58
KR402C	40	5.2	.039	5	0.57
KR502C	50	3.4	.064	3.2	0.56
KR752C	75	3.2	.128	2	0.54
KR103C	100	10.5	.050	8	0.71
KR253C	250	12.0	.114	5	0.69
KR503C	500	11.6	.260	3.2	0.65
KR753C	750	10.0	.465	2	0.61
KR104C	1000	7.4	.830	1.25	0.59
All dimensions are in inches.