Leaded ResistoRs
Aluminum Housed
Resistors
Power Wirewound Type
Lug / Threaded Style [ AHA Series ]
Straight Leadwire Style [ AHP Series ]
FeatURes
Power Rating
Resistance Tolerance
T.C.R.
5W, 10W, 25W, 50W, 80W, 100W, 250W
±0.25%, ±0.5%, ±1%, ±5%, ±10%
±200ppm/°C
diMeNsioNs
C
H
A
P
øE
BA
AHA00 / AHP00
AHA10A / AHP10A
AHA2A / AHP2A
AHA0A / AHP0A
L
3
L
2
L
1
5x18
S
A
øE
6x23
BA
L
3
L
2
L
1
AHA80A
stYLe
Normal
AHA500 / AHP500
diMeNsioN
L
1
25±2
L
2
15±1
19±1
27±1
50±1
66±1
89±1
114±1
L
3
10±1
14±1
18±1
39±1
35±1
69±1
98±1
a
16.5±1
20±1
27±1
29±1
47±1
70±1
77±1
B
12.5±1
15.5±1
19±1
21±1
37±1
48±1
64±1
C
8.5±1
10.5±1
15±1
15±1
28±1
46±1
53±1
øe
2±0.3
2±0.3
3.2±0.3
3.2±0.3
4.5±0.3
5±0.3
5±0.3
s
8±1
10±1
15.5±1
15.5±1
25±1
44.5±1
55.5±1
H
4±0.5
5±0.5
7±0.5
7±0.5
12±0.5
19.5±0.5
25±0.5
L
3
L
2
L
1
AHA10B
C
H
S
A
øE
6x21
BA
C
H
S
A
L
5
=22±1
C
Unit: mm
H
S
øE
BA
L
4
=78±1
L
3
L
2
L
1
AHA2B
P
5±2
6±2
10±2
10±2
-
-
-
AHA10A / AHP10A 32±2
AHA25A / AHP25A 47±2
AHA50A / AHP50A 70±2
AHA80A
AHA10B
AHA25B
102±2
135±2
155±2
teMPeRatURe Rise
Temperature (°C)
350
300
250
200
150
100
50
20
40
60
80
100
5W-50W
250W
80W-100W
Rated Load (%)
eLeCtRiCaL CHaRaCteRistiCs
stYLe
aHa500
aHP500
Power Rating at 70°C
Voltage Proof
Resistance Range
Operating Temp. Range
Temperature Coefficient
5W
1,000V
0.1
Ω
- 100
Ω
-55°C to +250°C
±200ppm/°C
aHa10a
aHP10a
10W
aHa25a
aHP25a
25W
aHa50a
aHP50a
50W
2,000V
0.1
Ω
- 3K
Ω
80W
100W
4,500V
250W
aHa80a
aHa10B
aHa25B
Note: Special value is available on request.
eNViRoNMeNtaL CHaRaCteRistiCs
PeRFoRMaNCe test
Short Time Overload
Voltage Proof
Temperature Coefficient
Insulation Resistance
Solderability
Solvent Resistance of Marking
test MetHod
IEC 60115-1 4.13
IEC 60115-1 4.7
IEC 60115-1 4.8
IEC 60115-1 4.6
IEC 60115-1 4.17
IEC 60115-1 4.30
2.5 times RCWV for 5 Sec.
in V-block for 60 Sec., test voltage by type
-55°C to +250°C
in V-block for 60 Sec.
235±5°C for 3±0.5 Sec.
IPA for 5±0.5 Min. with ultrasonic
Pull test (30 Sec. Min): 5W: 1kg, 10W: 2.3kg, 25 - 50W: 4.5kg
Torque test (5 - 15 Sec): 80W: 2N, 100W: 2.7N, 250W: 3.7N
40±2°C, 90-95% RH for 56 days, loaded with 0.1 times RCWV
70±2°C at RCWV for 1,000 Hr. (1.5 Hr. on, 0.5 Hr. off)
-55°C
Room Temp.
+155°C
Room Temp. (5 cycles)
260±3°C for 10±1 Sec., immersed to a point 3±0.5mm from the body
aPPRaise
±0.5%+0.05
Ω
By type
By type
>100M
Ω
95% Min. coverage
No deterioration of
coatings and markings
±0.2%+0.05
Ω
±0.5%+0.05
Ω
±1.5%+0.05
Ω
±1.0%+0.05
Ω
±1.0%+0.05
Ω
Robustness of Terminations
Damp Heat Steady State
Endurance at 70°C
Temperature Cycling
Resistance to Soldering Heat
IEC 60115-1 4.16
IEC 60115-1 4.24
IEC 60115-1 4.25
IEC 60115-1 4.19
IEC 60115-1 4.18
Note: Rated Continuous Working Voltage (RCWV) =
Power Rating x Resistance Value