Gold Aluminum Housed Wirewound
Resistors
AHW
Series
MERITEK
F
EATURES
•
•
•
High power rating, small size and ultra precision.
Standard winding &non-inductive winding types.
High stability, strong construction.
E
LECTRICAL
S
PECIFICATION
Characteristics
Limits
Resistance 1Ω≤R ±5%(J)
Test Methods
Resistance Tolerance
Resistance Tolerance 1Ω≤R
±10%(K)
JIS-C-5202 5-1
Temperature Coefficient
±200ppm/ °C max.
ΔR/R≤±(1%+0.05Ω)
JIS-C-5202 5-2b
Power Rating Load
Surface Temp. Rise 350°C max.
ΔR/R≤±(2%+0.05Ω)
Short-Time Overload
100% Rated Power5 Seconds
Insulation Resistance
Dielectric Withstanding Voltage
DC500V 100MΩ min
AC3000V
60Sec.
JIS-C-5202 5-4
JIS-C-5202 5-5
JIS-C-5202 5-6
JIS-C-5202 5-7
D
IMENSIONS AND
R
ESISTANCE
R
ANGE
DIMENSIONS(mm)
L1±2
25
32
47
70
102
102
135
155
155
L2±1
15
19
27
50
66
66
89
114
114
L3±1
10
14
18
39
35
35
69
98
98
A±1
16.5
20
27
29
47
47
70
77
77
B±1
12.5
15.5
19
21
37
37
58
64
64
C±1
8.5
10.5
15
15
28
28
46
53
53
E±0.3
2
2
3.2
3.2
4.5
4.5
5
5
5
S±1
8
10
15.5
15.5
25
25
44.5
55.5
55.5
H±0.5
4
5
7
7
12
12
19.5
25
25
P±2
5
6
10
10
5*18
5*18
6*23
6*21
6*21
Type
AHW-5W
AHW-10W
AHW-25W
AHW-50W
AHW-80W
AHW-100WS
AHW-100W
AHW-250W
AHW-300W
Resistance
Range
0.1Ω~50K
0.1Ω~50K
0.1Ω~100K
0.1Ω~100K
0.1Ω~100K
0.1Ω~100K
0.1Ω~3K
0.1Ω~3K
0.1Ω~3K
rev.6a
Specifications are
subject to change without notice.
1
Gold Aluminum Housed Wirewound
Resistors
AHW
Series
MERITEK
2
Gold Aluminum Housed Wirewound
Resistors
AHW
Series
MERITEK
S
HORT
-TI
ME
O
VERLOAD
R
ATING
Load Time
(Second)
Power
Increase (%)
1
2
3
4
5
10
30
60
180
300
600
900
2600
2000
1600
1400
1300
1000
600
450
200
150
120
110
P
ERFORMANCE
Parameters
Short time
Over Load
Moisture
Resistance
Moisture
Load Life
Test Conditions
5X wattage rating-5sec
Temp 40℃ moisture 95% DC100V
500HR
Temp 40℃ moisture 95% 1/10X
Wattage rating (1.5Hr ON-0.5Hr
OFF)-Repeat 1000Hr
Load Rating(chass is mounted)
(1.5Hr ON 0.5Hr OFF) -Repeat 1000Hr
Specifications
△R±(0.5%+0.05Ω)MAX
△R±(0.5%+0.05Ω)MAX
△R±(0.5%+0.05Ω)MAX
Load Life
△R±(1.5%+0.05Ω)MAX
Vibration
Heat Resistance
10c/s~50c/s~10c/s(lmin)2Hr each
of paralleled and right angle
275℃ 2Hr
AHW-5 AHW-10 AHW-25 1000V
△R±(0.2%+0.05Ω)MAX
△R±(0.5%+0.05Ω)MAX
Dielectric Strength
AHW-50 1500V
AHW-100 AHW-250 2500V
Under the same test condition of
△R±(0.2%+0.05Ω)MAX
Insulation Resistance
Dielectric Strength, Load DC500v
and measure the insulation R.
(1)
Pull Test (30 sec Min)
AHW-51kg.AHW-10
1000M Ω min
Terminal Strength
2.3kg.AHW-25.AHW-50 4.5kg
(2)
Torque Test (5~15sec)
AHW-100 27kg-cm,AHW 250
36Kg-cm
△R±(0.2%+0.05Ω)MAX
3
Gold Aluminum Housed Wirewound
Resistors
AHW
Series
MERITEK
S
URFACE
T
EMPERATURE
V
ERSUS
P
OWER
L
OAD
(On Chassis)
P
ACKING
AHW
5W
10W
25W
50W
80W
100W
250W
300W
BOX(PCS)
400
300
150
100
8
10
6
6
CARTON(PCS)
2400
1800
600
600
48
60
36
36
4
