14 | 06 | 2009
ALUMINUM HOUSED. WIREWOUND RESISTORS Print
Cement Resistor - Cement Resistor - Series
Written by AH Type   
Monday, 09 June 2008 12:27

  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

MAX

(aluminum chassis)

 

 

AH

AHN

AH

AHN

Weight

 

 

 

Inductive

Non-inductive

 

 

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:          
            
ParametersTest ConditionsSpecifications 
Short Time5X wattage rating-5sec.R± (0.5%+0.05Ω) MAX 
Over Load 
MoistureTemp 40oC moisture 95% DC 100v500HrR± (0.5%+0.05Ω) MAX 
Resistance 
MoistureTemp 40oC moisture 95% 1/10 X wattage rating (1.5Hr ON-0.5Hr OFF) - Repeat 1000HrR± (0.5%+0.0Ω5) MAX 
LoadLife 
Load LifeLoad Rating ( chass is mounted) (1.5Hr ON-0.5Hr OFF) Repeat 1000HrR±(1.5%+0.05Ω) MAX 
Vibration10c/s~50c/s~10c/s (1min)-2Hr each of paralleled and right angleR ±(0.2%+0.05Ω) MAX 
Heat275oC 2HrR± (0.5%+0.05Ω) MAX 
Resistance 
DielectricAH- 5 AH- 10 AH- 25 1000VR± (0.2%+0.05Ω) MAX 
StrengthAH-50 1500V 
 AH-100 AH-250 2500V 
InsulationUnder the same test condition of Dielectric Strength, Load DC500V and measure the Insulation R.1000MΩ min 
Resistance 
Terminal1. Pull Test (30 sec Min) AH-5 1kg, AH-10 2.3kg, AH-25, AH-50 4.5kgR± (0.2%+0.05Ω) MAX 
Strength2. Torque Test (5~15sec) AH-100 27kg-cm, AH-250 36kg-cm 

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