参数资料
| 型号： | C300K20RE |
| 厂商： | Ohmite |
| 文件页数： | 1/1页 |
| 文件大小： | 0K |
| 描述： | RES 20 OHM 300W WIREWOUND |
| 产品目录绘图： | 280 Series End 280 Series Side |
| 标准包装： | 1 |
| 系列： | Corrib®280 |
| 电阻（欧姆）： | 20 |
| 功率（瓦特）： | 300W |
| 复合体： | 绕线 |
| 温度系数： | ±400ppm/°C |
| 容差： | ±10% |
| 涂层，外壳类型： | 搪瓷涂层 |
| 安装特点： | 支架（不包括） |
| 尺寸/尺寸： | 1.125" 直径 x 8.500" L（28.58mm x 215.90mm） |
| 引线型： | 焊片 |
| 包装： | 散装 |
| 封装/外壳： | 径向，管状 |
280 Series
Terminals: TINNED LUG WITH HOLE.
ROHS SOLDER COMPOSITION IS 96%
Corrib Fixed and Adjustable
SN, 3.5% AG, 0.5% CU
CONSULT OHMITE.
Adjustable Lug: SUPPLIED WITH
Vitreous Enamel Power
ADJUSTABLE 300 WATT MODELS. PART
NO. 1974-A OR 1974-B.
Fixed/Adjustable
Fixed
Electrical
300 watt*
35 watt
Resistance: MAX. 63 Ω FOR 300W
ING LOW RESISTANCE LOADS AT LOW
OHMIC VALUES +.015/-.006
0.196 in. AND HIGH CURRENT 0.25 in. VERSION
0.500 in. .030 4.979 mm +.381/-.153
6.35 mm Tolerance: ±10% (K)
12.7 mm ? ESPECIALLY CONSTRUCTED FOR MOTOR
Power rating: BASED ON 25°C FREE
STARTING, DYNAMIC BRAKING, ETC.
AIR RATING.
? ROHS COMPLIANT PRODUCT AVAIL-
1.125 in. ABLE. ADD “E” SUFFIX TO PART NUM- Derating: LINEARLY FROM
0.625 in. 28.58 mm BER TO SPECIFY. 100% @ +25°C TO 0%
Overload: 10 in. TIMES RATED WATTAGE
S P E C I 215.90 mm T I O N S
FICA
50.80 mm
FOR 5 19.05 mm
SECONDS.
Fixed/Adjustable
Coating: LEAD FREE VITREOUS
300 watt*
±400 PPM/°C.
0.196 in. +.015/-.006 Dielectric withstanding voltage:
0.500 in. .030 4.979 mm +.381/-.153
0.032 in.
1000 VAC MEASURED FROM TERMI-
VERY LARGE MODELS (750 WATTS
12.7 mm .79
0.813 mm
AND UP), WHICH ARE SUPPLIED IN
NAL TO MOUNTING BRACKET.
To calculate max. amps: USE THE
FORMULA √ P/R
MADE-TO-ORDER PARTS
8.5 in.
19.05 mm
* for values over 0.16 , terminal dimensions same as 35 watt at left.
CORRIB ? RESISTORS ARE IDEAL FOR APPLICATIONS INVOLVING HIGH CURRENTS
AT VERY LOW RESISTANCE VALUES—AS LOW AS 0.1 Ω FOR THE 300 WATT
See website for
UNIT. THESE LARGE, HEAVY-DUTY RESISTORS ARE DESIGNED TO WITHSTAND
RESISTOR HARDWARE
ORDERING INFO
? ARE MANUFACTURED WITH CORRUGATED RESISTIVE
CORRIBS
WIRE. TO ACCELERATE COOLING, THE WIRE IS SECURELY FUSED TO
THE CERAMIC CORE BY THE PROTECTIVE VITREOUS ENAMEL COATING INCLUDES 2 EACH BRACKET, BOLT,
WHICH CAN BE SECURELY FASTENED TO CHASSIS SURFACES WITH THRU LOCK) AND NUT. NOTE: SINGLE UNIT
BOLTS AND BRACKETS.
MOUNTING CONTAINS 1 EACH BOLT
AND NUT; 2 EACH ALL WASHERS.
No. of Moun.
Part No. Res- Derat.
Slotted Elongated istors %
m
0.3125 in.
7.938 mm
?
4.394 mm
0.563 in.
14.288 mm 0.75 in.
@
15.88 mm 19.05 mm +400°C.
7.938 mm Material
Diam. ENAMEL EXCEPT FOR EXTREME LOW
0.25 in. RESISTANCE 35 WATT MODELS, AND
6.35 mm
min.
1.125 in.
28.58 mm 0.75 in.
19.05 mm
215.90 mm 0.75 in.
FREQUENT START-STOP CYCLES CHARACTERISTIC OF MOTOR STARTING, DYNAM-
IC BRAKING AND OTHER SIMILAR APPLICATIONS. SPECIAL ORDER UNITS
ARE AVAILABLE TO ACCOMMODATE UP TO 1500 WATTS.
FEATURES Core: TUBULAR CERAMIC.
? ALSO AVAILABLE IN LOW COST
CENTOHM OR SILICONE COATING.
? RIBBED CONSTRUCTION AIDS IN RAPID
COOLING.
? DESIGNED FOR EQUIPMENT REQUIR-
Diam.
0.375 in. 0.094 in. CAPACITY. 0.032 in.
Diam. 9.525 mm 2.381 mm .79 0.813 mm
0.173 in. min.
watt left.
2.0 in. 8.5 in.
0.3125 in. 0.75
* for values over 0.16 , terminal dimensions same as 35 Temperature coefficient:
SILICONE CERAMIC.
Series Wattage & Terminal Type Ohms Tolerance
230 = Adjustable Core Code See “Resistor Example: F= 1%
280 = Fixed See “Core and Terminals for R0200 = 0.02 H= 3%
480 = Silicone fixed Terminal Selection” Tubular Cores” R2000 = 0.2 J= 5%
680 = Centohm fixed 2R500 = 2.5 K= 10% (std.)
10R00 = 10
custom core info
Coating Thru Bolts Mounting Brackets
Blank = Vitreous for 300 Watt Corrib
C = Centohm RoHS Compliant
S = Silicone
TO IMPROVE DURABILITY. CORRIB RESISTORS ARE HOLLOW-CORE UNITS ????????? WASHERS (CENTERING, MICA,
Series Wattage Tolerance Ohms
C = Fixed K = 10% example:
E = Adjustable 1R0 = 1 ?
250 = 250 ?
1K0 = 1,000 ?
25K = 25,000 ?
25K5 = 25,500 ?
S TA N D A R D PA RT N U M B E R S F O R 2 8 0 S E R I E S
6110-8 1 / 2 6126-P-8 1 / 2
- 6127-P-8 1 / 2
1
2
100%
83%
0.02
0.04
0.06
0.08
0.1
0.12
0.15
0.16
0.2
0.25
0.3
0.31
0.4
0.5
0.6
0.63
Part No.
Prefix
Suffix
––– R02E
––– R04E
––– R06E
––– R08E
––– R10E
––– R12E
––– R15E
––– R16E
––– R20E
––– R25E
––– R30E
––– R31E
––– R40E
––– R50E
––– R60E
––– R63E
Wattage
0.8
1.0
1.2
1.25
1.6
2.0
2.5
3.1
4.0
5.0
6.3
8.0
10.0
12.0
16.0
20.0
63.0
Part No.
Prefix
Suffix
––– R80E
––– 1R0E
––– 1R2E
––– 1R25E
––– 1R6E
––– 2R0E
––– 2R5E
––– 3R1E
––– 4R0E
––– 5R0E
––– 6R3E
––– 8R0E
––– 10RE
––– 12RE
––– 16RE
––– 20RE
––– 63RE
Wattage
Other Available Sizes (Partial List)
? Core Core Min. Max.
Prefix* Wattage Length O.D. Ohms Ohms
C90 90 4.0” 0.563” 0.021 12
C100 100 3.5” 0.75” 0.021 11
C110 110 5.0” 0.563” 0.029 16
C135 135 6.0” 0.563” 0.028 21
C150 150 5.0” 1.0” 0.043 27
C160 160 6.0” 0.75” 0.038 26
C180 180 6.5” 0.75” 0.031 29
C190 190 6.0” 1.0” 0.056 35
C215 215 7.0” 1.0” 0.068 43
C220 220 6.0” 1.125” 0.063 39
C270 270 5.0” 1.5” 0.065 41
C375 375 10.5” 1.125” 0.130 80
C500 500 10.5” 1.625” 0.190 117
C750 750 ? 12.0” 2.5” 0.310 198
C1000 1000 15.0” 2.5” 0.410 258
C1500 1500 20.0” 2.5” 0.560 358
*Substitute “C” in = Standard values; check availability
prefix with “E” for using the worldwide inventory
adjustable versions. search at www.ohmite.com
- 6128-P-8 1 / 2 3
- 6129-P-8 1 / 2 4
Lugs for 300 Watt
Adjustable Corrib
Part Resis- Part
No. tance No.
1974-A 0.40 1974-B
1 / 16 WIRE 0.50 1 / 8 WIRE
0.63
1.00
1.50
1.60
2.00
2.50
3.10
4.00
5.00
6.30
8.00
10.00
12.00
16.00
20.00
25.00
30.00
48.00
50.00
80%
80%
Resis-
tance
0.10
0.12
0.16
0.20
0.25
0.31
0.80
1.20
? Wattages above 750 watts come with silicone coating.
40
Ohmite Mfg. Co. 1600 GOLF RD., ROLLING MEADOWS, IL 60008 ? 1-866-9-OHMITE ? INT’L 1-847-258-0300 ? FAX 1-847-574-7522 ? WWW.OHMITE.COM ? INFO@OHMITE.COM
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| C300K25R | 制造商:Ohmite Mfg Co 功能描述: |
| C300K25RE | 制造商:Ohmite Mfg Co 功能描述: |
| C300K2R0 | 功能描述:线绕电阻器 - 底架安装 300watt 2ohm 10% 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 |
| C300K2R0-B | 制造商:Ohmite Mfg Co 功能描述: |
| C300K2R0E | 功能描述:线绕电阻器 - 底架安装 300watt 2ohm 10% 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 |
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