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参数资料
型号： 825F10KE
厂商： Ohmite
文件页数： 1/1页
文件大小： 0K
描述： RES ALUM HOUSED WW 10K 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）： 10k
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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