参数资料
| 型号： | 825F2K5E |
| 厂商： | Ohmite |
| 文件页数： | 1/1页 |
| 文件大小： | 0K |
| 描述： | RES ALUM HOUSED WW 2.5K OHM 25W |
| 产品目录绘图： | 89 Series Top 89 Series Side |
| 标准包装： | 1 |
| 系列： | Metal-Mite®89 |
| 电阻（欧姆）： | 2.5k |
| 功率（瓦特）： | 25W |
| 复合体： | 绕线 |
| 温度系数： | ±20ppm/°C |
| 容差： | ±1% |
| 涂层，外壳类型： | 铝 |
| 安装特点： | 法兰 |
| 尺寸/尺寸： | 1.062" L x 1.094" W（26.98mm x 27.79mm） |
| 高度： | 0.593"（15.07mm） |
| 引线型： | 焊片 |
| 包装： | 散装 |
| 封装/外壳： | 轴向，盒 |
| 产品目录页面： | 2266 (CN2011-ZH PDF) |
L
M
Q
N
THE 89 SERIES IS A HIGH-PER-
FORMANCE AXIAL TYPE RESISTOR.
THESE MOLDED-CONSTRUCTION
METAL-HOUSED RESISTORS ARE
AVAILABLE IN HIGHER POWER RAT-
INGS THAN STANDARD AXIAL RESIS-
TORS AND ARE BETTER SUITED TO
WITHSTANDING VIBRATION, SHOCK
AND HARSH ENVIRONMENTAL CON-
DITIONS.
THE 89 SERIES METAL-MITE ?
RESISTORS ARE ALUMINUM HOUSED
TO MAINTAIN HIGH STABILITY DURING
OPERATION AND TO PERMIT SECURE
MOUNTING TO CHASSIS SURFACES.
THE METAL HOUSING ALSO
PROVIDES HEAT-SINKING CAPABILI-
TIES.
FEATURES
? HIGH STABILITY: ±0.5% Δ R.
? HIGH POWER TO SIZE RATIO.
? METAL HOUSING ALLOWS CHASSIS
MOUNTING AND PROVIDES HEAT SINK
CAPABILITY.
AS OF SEPTEMBER 2006,
THE 89 SERIES IS NO LONGER
OFFERED AS MIL. SPEC.
SPECIFICATIONS
MATERIAL
HOUSING: METAL, ANODIZED ALUMI-
NUM.
INTERNAL COATING: SILICONE.
CORE: CERAMIC.
TERMINALS: SOLDER-COATED AXIAL.
DERATING : LINEARLY FROM
100% @ +25°C TO 0% @
+275°C.
Electrical
TOLERANCE: ±1% AND ±5% (OTHER
TOLERANCES AVAILABLE).
POWER RATING: RATING IS BASED
ON CHASSIS MOUNTING AREA AND
TEMPERATURE STABILITY. PROPER
HEAT SINK AS FOLLOWS: 5W AND
10W UNITS, 4” X 6” X 2” X .040”
ALUMINUM CHASSIS; 25W UNITS, 5”
X 7” X 2” X .040” ALUMINUM CHAS-
SIS; 50W UNITS, 12” X 12” X .059”
ALUMINUM PANEL.
MAXIMUM OHMIC VALUES:
SEE CHART.
OVERLOAD: 5 TIMES RATED WATTAGE
FOR 5 SECONDS.
TEMPERATURE COEFFICIENT:
UNDER 1 Ω : ±90 PPM/°C
1 TO 9.99 Ω : ±50 PPM/°C
10 Ω AND OVER: ±20 PPM/°C.
DIELECTRIC WITHSTANDING VOLTAGE:
5W AND 10W RATING,1000 VAC;
25 AND 50W RATINGS, 2250 VAC.
89 Series
Metal-Mite ? Aluminum Housed
Axial Term. Wirewound, 1% Tolerance
A
F E
H
G J B
R
K
MOUNT
HOLE DIA. C D P
TERMINAL
HOLE DIA.
Series Wattage Ohms Voltage
805 5 0.10-25K 210
810 10 0.10-50K 320
825 25 0.005-75K 520
850 50 0.005-100K 1170
Non-Inductive versions available. Insert “N” before tolerance code. Example: 850NF560
5 watt 10 watt 25 watt 50 watt
Series (Industrial) 805 810 825 850
Dimensions
O R D E R I N G I N F O R M AT I O N
NON-INDUCTIVE WINDING
OPTIONAL (BLANK = STD. WINDING)
805 N F5R0E
SERIES TOLERANCE OHMS ROHS
805 = 5 WATT F = 1% R005= 0.005 ? COMPLIANT
810 = 10 WATT J = 5% R10 = 0.1 ?
825 = 25 WATT 1R0 = 1.0 ?
850 = 50 WATT 250 = 250 ?
1K0 = 1,000 ?
1K5 = 1,500 ?
25K = 25,000 ?
Dim. A (in. ±0.062 / mm ±1.57)
Dim. B (in. ±0.010 / mm ±0.25)
Dim. C (in. ±0.031 / mm ±0.79)
Dim. D (in. ±0.010 / mm ±0.25)
Dim. E (in. ±0.062 / mm ±1.57)
Dim. F (in. ±0.062 / mm ±1.57)
Dim. G (in. ±0.062 / mm ±1.57)
Dim. H (in. ±0.031 / mm ±0.79)
Dim. J (in. ±0.031 / mm ±0.79)
Dim. K (in. ±0.005 / mm ±0.13)
Dim. L (in. ±0.031 / mm ±0.79)
Dim. M (in. ±0.062 / mm ±1.57)
Dim. N (in. ±0.031 / mm ±0.79)
Dim. P (in. ±0.005 / mm ±0.13)
Q min AWG
Dim. R (in., min/mm, min)
1.125 / 28.59 1.375 / 34.93
0.490 / 12.45 0.625 / 15.88
0.078 / 1.98 0.094 / 2.39
0.444 / 11.28 0.562 / 14.28
0.600 / 15.24 0.750 / 19.05
0.266 / 6.76 0.312 / 7.93
0.334 / 8.48 0.438 / 11.13
0.245 / 6.22 0.312 / 7.93
0.646 / 16.41 0.812 / 20.63
0.093 / 2.36 0.094 / 2.39
0.320 / 8.13 0.406 / 10.31
0.133 / 3.38 0.203 / 5.16
0.065 / 1.65 0.094 / 2.39
0.050 / 1.27 0.085 / 2.16
16 12
0.085/ 2.16 0.140/ 3.56
1.938 / 49.23
0.781 / 19.84
0.172 / 4.37
0.719 / 18.26
1.062 / 26.98
0.438 / 11.13
0.531 / 13.49
0.391 / 9.93
1.094 / 27.79
0.125 / 3.18
0.562 / 14.28
0.281 / 7.14
0.094 / 2.39
0.085 / 2.16
12
0.140/ 3.56
2.781 / 70.64
0.844 / 21.44
0.188 / 4.78
1.562 / 39.68
1.938 / 49.23
0.438 / 11.13
0.594 / 15.09
0.422 / 10.72
1.156 / 29.36
0.125 / 3.18
0.625 / 15.88
0.312 / 7.92
0.094 / 2.39
0.085 / 2.16
12
0.140/ 3.56
S TA N D A R D PA RT N U M B E R S
Part No.
Prefix
Suffix
Wattage
Part No.
Prefix
Suffix
Wattage
Part No.
Prefix
Suffix
Wattage
0.005 ––– R005
0.010 ––– R010
0.025 ––– R025
0.1 ––– R10
20
25
30
40
––– 20R
––– 25R
––– 30R
––– 40R
1,500
2,000
2,500
3,000
––– 1K5
––– 2K0
––– 2K5
––– 3K0
= Standard values
= Non-standard values subject to minimum
handling charge per item
0.3 ––– R30
0.5 ––– R50
0.7 ––– R70
1.0 ––– 1R0
1.5
––– 1R5
50
75
100
150
200
––– 50R
––– 75R
––– 100
––– 150
––– 200
3,500
4,000
4,500
5,000
6,000
––– 3K5
––– 4K0
––– 4K5
––– 5K0
––– 6K0
Shaded values involve very fine resistance wire and
should not be used in critical applications without
burn-in and/or thermal cycling.
2.0
3.0
––– 2R0
––– 3R0
250
300
––– 250
––– 300
10,000
15,000
––– 10K
––– 15K
4.0
––– 4R0
400
––– 400
20,000
––– 20K
5.0
––– 5R0
500
––– 500
25,000
––– 25K
10.0 ––– 10R
750
––– 750
50,000
––– 50K
15.0 ––– 15R
1,000
––– 1K0
75,000
100,000
––– 75K
––– 100K
Check product availability at www.ohmite.com
OHMITE MFG. CO.
1-866-9-OHMITE ? INT’L 1-847-258-0300 ? FAX 1-847-574-7522 ? WWW.OHMITE.COM ? INFO@OHMITE.COM
23
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| 825F2R0 | 功能描述:线绕电阻器 - 底架安装 25watt 2ohm 1% RoHS:否 制造商:Vishay/Dale 电阻:7 Ohms 容差:1 % 功率额定值:100 W 温度系数:50 PPM / C 系列:RH 工作温度范围:- 55 C to + 250 C 尺寸:46.02 mm Dia. x 46.02 mm W x 88.9 mm L x 44.45 mm H 封装:Bulk 产品:Power Resistors Wirewound Aluminum Housed |
| 825F2R0E | 功能描述:线绕电阻器 - 底架安装 25watt 2ohm 1% RoHS:否 制造商:Vishay/Dale 电阻:7 Ohms 容差:1 % 功率额定值:100 W 温度系数:50 PPM / C 系列:RH 工作温度范围:- 55 C to + 250 C 尺寸:46.02 mm Dia. x 46.02 mm W x 88.9 mm L x 44.45 mm H 封装:Bulk 产品:Power Resistors Wirewound Aluminum Housed |
| 825F2R2E | 功能描述:RES CHAS MNT 2.2 OHM 1% 25W 制造商:ohmite 系列:Metal-Mite?89 包装:散装 零件状态:有效 电阻（欧姆）:2.2 容差:±1% 功率（W）:25W 成分:绕线 温度系数:±50ppm/°C 工作温度:-55°C ~ 275°C 特性:- 涂层，外壳类型:铝 安装特性:法兰 大小/尺寸:1.062" 长 x 1.094" 宽（26.98mm x 27.79mm） 高度:0.593"（15.07mm） 引线形式:焊片 封装/外壳:轴向，盒 标准包装:50 |
| 825F300 | 制造商:Ohmite Mfg Co 功能描述: |
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