慧羽電子科技股份有限公司

Aluminum Housed Power Resistors (AH Series)

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

General Specification:
- Wattage Range: 6 styles to choose ranging from 5 to 250 watts
- Resistance Tolerance: 10%, 5%, 3%, 2%, 1%, 0.5%, 0.25%, 0.1%, 0.05%
- Operating Temperature Range: -55°C to +275°C
- Dielectric Strength: AH-5 AH-10 AH-25 1000V AH-50

Standard Electrical Specification
Type	MIL	25°C Rated Power (W)		Resistance Range (Ω)
Type	Type	Industry	Military	± 0.05%, ±0.1%	±0.25%	±0.5%	±1%,±5%,±10%
AH-5	RE60G	5	5	1.0~510Ω	0.5~1.5K	0.1~1.2K	0.10~3.32K
AH-5N	RE60N	5	5	1.0~100Ω	1.0~200Ω	1.0~860Ω	1.0~1.65K
AH-10	RE65G	10	10	1.0~1.2K	0.5-2.7K	0.1~2.7K	0.10~5.62K
AH-10N	RE65G	10	10	1.0~860Ω	1.0~1.2K	1.0~1.2K	1.0~2.8K
AH-25	RE70G	25	20	0.5~2.7K	0.1~3.9K	0.1~3.9K	0.10~12.1K
AH-25N	RE70G	25	20	1.0~1.2K	1.0~2.7K	1.0~2.7K	1.0~6.04K
AH-50	RE75G	50	30	0.5~3.9K	0.1~5.6K	0.1~5.6K	0.10~39.2K
AH-50N	RE75G	50	30	1.0~2.7K	1.0~3.9K	1.0~3.9K	1.0~19.6K
AH-100	RE77N	100	75	1.0~5.6K	0.1~8.2K	0.05~12K	0.05~29.4K
AH-100N	RE77N	100	75	1.0~3.9K	1.0~5.6K	1.0~5.6K	1.0~14.7K
AH-250	RE80G	250	120	0.1~12K	0.1~27K	0.1~27K	0.1~35.7K
AH-250N	RE80G	250	120	1.0~5.6K	1.0~8.2K	1.0~8.2K	1.0~17.4K
Notice: All dimensions might be changed or modified, please refer to last updating specification.

Performance Specifications
Parameters	Test Conditions	Specifications
Short Time Over Load	5X wattage rating-5sec.	Δ R±(0.5%+0.05Ω) Max.
Moisture Resistance	temp 40°C moisture 95% DC 100V 500 Hours	ΔR±(0.5%+0.05Ω) Max.
Moisture Load Life	temp 40°C moisture 95% 1/10 X wattage rating (1.5Hr on-0.5Hr OFF)- Repeat 1000 Hours	ΔR±(0.5%+0.05Ω) Max.
Load Life	Load Rating (chassis mounted) (1.5Hour on 0.5Hour OFF) Repeat 1000 Hours	Δ R±(1.5%+0.05Ω) Max.
Vibration	10c/s~50c/s~10c/s(1Min) -2 Hours each of paralleled and right angle	ΔR±(0.2%+0.05Ω) Max.
Heat Resistance	275°C 2 Hours	Δ R±(0.5%+0.05Ω) Max.
Dielectric Strength	AH-5 AH-10 AH-25 1000V AH-50 1500V AH-100 AH-250 2500V	Δ R±(0.5%+0.05Ω) Max.
Insulation Resistance	Under the same test condition of Dielectric Strength, Load DC500V and measure the Insulation Resistance.	1000MΩ Min.
Terminal Strength	(1) Pull Test (30 sec. Min.)AH-5 1Kg, AH-10 2.3Kg, AH-25, AH-50 4.5Kg (2) Torque Test (5~15 sec.)AH-100 27Kg-cm, AH-250 36Kg-cm	Δ R±(0.2%+0.05Ω) Max.

Surface Temperature Versus Power Load (on Chassis)

DERATNING

Derating is required to reduce chassis mounting area and for high ambient temperatures.

Curves: A=5 & 10 watt unites, unmounted. B=25 watt units, unmounted. C=50,100 & 250 watt units, unmounted

Materials:

Encapsulant: Silicone

End caps: Stainless steel

Housing: Aluminum with hard anodic coating

Element: Copper-nickel alloy, nickel-chrome alloy or manganese copper

Core: Ceramic steatite or alumina

Standard Terminals: 5~50W Tinned terminals, 100~250W threaded terminals.

DIMENSIONS - AH-5, 10, 15, 50, AH-5N 10N, 15N, 50N

Type	Dimensions (mm)
	A	B	C	D	E	F	G	H	J	K	L	M	N	P
	± 1.0	± 1.0	± 1.0	± 2.0	± 1.0	± 1.0	± 1.0	± 0.8	± 1.0	± 0.8	± 0.5	± 0.5	± 0.2	± 0.8
AH-5	11.2	12.5	15.2	28.6	8.5	16.4	8.1	1.7	3.8	2	2.4	1.5	1.3	6.7
AH-10	14.2	15.9	19	34.9	10.7	20.3	9.9	1.9	4.2	2.4	2.4	2	2.2	7.95
AH-25	18.2	19.8	27	49.2	14	27.4	13.9	1.9	5.9	4.4	3.2	1	2.2	11.1
AH-50	40	21.4	50	70.6	16	29	15.5	2.2	6.6	5	3.2	2	2.2	10.3
Notice: All dimensions might be changed or modified, please refer to last updating specification.

DIMENSIONS - AH - 100, AH - 100N

DIMENSIONS - AH - 250, AH - 250N

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