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AH 精密型黃金鋁殼 |
| ALUMINUM HOUSED. WIREWOUND RESISTORS |
PRECISION POWR RESISTORS
Aluminum Housed (Chassis Mount) |
| FEATURES: |
- High power rating, small size and ultra precision.
- Standard winding & non-inductive winding types.
- High stability, strong construction.
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| GENERAL SPEC: |
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- WattageRange:
6 styles to choose ranging from 5 to 250 watts.
- Resistance Tolerance:
10%, 5%, 3%, 2%, 1%, 0.5%
- Operating TemperatureRange: -55% to +275
- Dielectric Strength:
AH-5 AH-10 AH-25 1000V AH-50 1500V AH-100 AH-250 2500V
- Temperature Coefficient of Resistance:Standard T.C.:
±30PPM/℃ =10Ω and up, ±50PPM/℃ =1 to 9.99Ω
±90PPM/℃ =below 1Ω
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| HOW TO ORDER |
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| STANDARD ELECTRICAL SPEC. |
Type |
MIL
Style |
Wattage
Rating |
ResistanceRange (Ω) |
MAX Working (V) |
(g)
MAX
Weight |
proper heat sink
(aluminum chassis) |
AH
Inductive |
AHN
Non-inductive |
AH |
AHN |
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 |
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| PERFORMANCE |
Parameters |
Test Conditions |
Specifications |
Short Time
Over Load |
5X wattage rating-5sec. |
△R± (0.5%+0.05Ω) MAX |
Moisture
Resistance |
Temp 40oC moisture 95% DC 100v500Hr |
△R± (0.5%+0.05Ω) MAX |
Moisture
LoadLife |
Temp 40oC moisture 95% 1/10 X wattage rating (1.5Hr ON-0.5Hr OFF) - Repeat 1000Hr |
△R± (0.5%+0.05Ω) 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
Resistance |
275oC 2Hr |
△R± (0.5%+0.05Ω) MAX |
Dielectric
Strength |
AH- 5 AH- 10 AH- 25 1000V
AH-50 1500V
AH-100 AH-250 2500V |
△R± (0.2%+0.05Ω) MAX |
Insulation
Resistance |
Under the same test condition of Dielectric Strength, Load DC500V and measure the Insulation R. |
1000MΩ min |
Terminal
Strength |
- Pull Test (30 sec Min) AH-5 1kg, AH-10 2.3kg, AH-25, AH-50 4.5kg
- Torque Test (5~15sec) AH-100 27kg-cm, AH-250 36kg-cm
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△R± (0.2%+0.05Ω) MAX |
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Materials:
• Encapsulant: Silicone
• End caps: Stainless steel
• Core: Ceramic steatite or alumina
• Housing:
Aluminum with hard anodic coating
• Element:
Copper-nickel alloy, nickel-chrome alloy or manganese copper
• Standard Terminals:
5~50W Tinned terminals 100~250W Threaded terminals |
TYPE |
Dimensions (mm) |
L1 |
L2
±1 |
L3
±0.8 |
A
±1 |
B
±0.8 |
C
±1 |
D
±0.1 |
E
±0.3 |
H
±1 |
h
±1 |
T
±0.2 |
AH-5
AHN-5 |
28.6 |
15.3 |
11.3 |
16.5 |
12.4 |
8.5 |
1.3 |
2.4 |
8.2 |
4 |
1.6 |
AH-10
AHN-10 |
35 |
19 |
14.3 |
20.4 |
15.9 |
11 |
2.2 |
2.4 |
10 |
5 |
2 |
AH-25
AHN-25 |
49 |
27 |
18.3 |
27.2 |
19.8 |
14 |
2.2 |
3.2 |
14 |
6.5 |
2 |
AH-50
AHN-50 |
70 |
50 |
39.7 |
29.2 |
21.5 |
16 |
2.2 |
3.2 |
16 |
7 |
2 |
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