ALUMINUM HOUSED. WIREWOUND RESISTORS

ALUMINUM HOUSED. WIREWOUND RESISTORS

PRECISION POWR RESISTORS
Aluminum Housed (Chassis Mount)

FEATURE:
High power rating, small size and ultra precision.
Standard winding & non-inductive winding types.
High stability, strong construction.

GENERAL SPEC:							Materials:
Wattage Range:							Encapsulant: Silicone
6 styles to choose ranging from 5 to 250 watts.							End caps: Stainless steel
Resistance Tolerance:							Core: Ceramic steatite or alumina
±10%, ±5%, ±3%, ±2%, ±1%, ±0.5%							Housing:
Operating Temperature Range: -55% to +275							Aluminum with hard anodic coating
Dielectric Strength:							Element:
AH-5 AH-10 AH-25 1000V AH-50 1500V AH-100 AH-250 2500V							Copper-nickel alloy, nickel-chrome alloy or manganese copper
Temperature Coefficient of Resistance:Standard T.C.:							Standard Terminals:
±30PPM/oC =10 and up, ±50PPM/oC =1 to 9.99							5~50W Tinned terminals 100~250W Threaded terminals
±90PPM/oC =below 1

STANDARD ELECTRICAL SPEC.

Type	MIL	Wattage	Resistance Range (Ω)		MAX Working (V)		(g)	proper heat sink
	Style	Rating	Resistance Range (Ω)		MAX Working (V)		MAX	(aluminum chassis)
			AH	AHN	AH	AHN	Weight
			Inductive	Non-inductive	AH	AHN	Weight
AH- 5	RE60	5	0.05 ~ 3k	0.1~1k	120	70	3	152X102X51X1t
AH- 10	RE65	10	0.02 ~ 6k	0.03~2.3k	245	180	7	152X102X51X1t
AH- 25	RE70	25	0.012~15k	0.02~5.5k	500	300	15	178X127X51X1t
AH- 50	RE75	50	0.01 ~40k	0.02~12k	1300	600	33	305X305X1.5t
AH-100	RE77	100	0.4 ~50k	0.12~25k	1900	1340	450	305X305X3t
AH-250	RE80	250	0.6 ~80k	0.15~40k	2500	1750	800	305X305X3t










PERFORMANCE:

Parameters	Test Conditions								Specifications
Short Time	5X wattage rating-5sec.								△R± (0.5%+0.05Ω) MAX
Over Load	5X wattage rating-5sec.								△R± (0.5%+0.05Ω) MAX
Moisture	Temp 40^oC moisture 95% DC 100v500Hr								△R± (0.5%+0.05Ω) MAX
Resistance	Temp 40^oC moisture 95% DC 100v500Hr								△R± (0.5%+0.05Ω) MAX
Moisture	Temp 40^oC moisture 95% 1/10 X wattage rating (1.5Hr ON-0.5Hr OFF) - Repeat 1000Hr								△R± (0.5%+0.0Ω5) MAX
LoadLife									△R± (0.5%+0.0Ω5) MAX
Load Life	Load Rating ( chass is mounted) (1.5Hr ON-0.5Hr OFF) Repeat 1000Hr								△R±(1.5%+0.05Ω) MAX
Vibration	10c/s~50c/s~10c/s (1min)-2Hr each of paralleled and right angle								△R ±(0.2%+0.05Ω) MAX
Heat	275^oC 2Hr								△R± (0.5%+0.05Ω) MAX
Resistance	275^oC 2Hr								△R± (0.5%+0.05Ω) MAX
Dielectric	AH- 5 AH- 10 AH- 25 1000V								△R± (0.2%+0.05Ω) MAX
Strength	AH-50 1500V
	AH-100 AH-250 2500V
Insulation	Under the same test condition of Dielectric Strength, Load DC500V and measure the Insulation R.								1000MΩ min
Resistance									1000MΩ min
Terminal	1. Pull Test (30 sec Min) AH-5 1kg, AH-10 2.3kg, AH-25, AH-50 4.5kg								△R± (0.2%+0.05Ω) MAX
Strength	2. Torque Test (5~15sec) AH-100 27kg-cm, AH-250 36kg-cm								△R± (0.2%+0.05Ω) MAX

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Last Updated ( Wednesday, 27 May 2009 22:53 )