These are made in a variety of resistances and different current carrying capacities.

Cat No.	Tube Length	A 15 CM	B 20 CM	C 25 CM	D 30 CM	E 35 CM	F 40 CM	G 45 CM	H 50 CM
	Amp	ohms	ohms	ohms	ohms	ohms	ohms	ohms	ohms
235 A	6.5	3.5	5.5	7.5	95	11	13	15	171
235 B	5.0	5.5	8	11	14	17	20	23	26
235 C	4.2	10	15	20	25	30	35	40	45
235 D	3.3	14	20	28	34	42	48	58	64
235 E	2.8	19	28	38	48	57	66	76	86
235 F	2.3	26	41	56	71	86	102	114	128
235 G	1.8	47	70	93	116	139	160	185	210
235 H	1.6	64	96	125	160	190	225	250	290
235 I	1.4	80	120	160	200	240	280	320	360
235 J	1.2	115	170	230	290	345	400	445	600
235 K	1.0	148	225	295	365	445	530	590	675
235 L	0.8	200	300	400	500	600	700	800	900
235 M	0.6	345	510	675	835	1000	1165	1300	1500
235 N	0.5	500	750	1000	1250	1500	1750	2000	2250
235 O	0.4	840	1250	1650	2070	2500	2900	3350	3750
235 P	0.3	1350	2100	2850	3600	4300	5100	6000	6750