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70072340.25

产品描述Fixed Resistor, Wire Wound, 0.25W, 234ohm, 300V, 0.25% +/-Tol, -10,10ppm/Cel,
产品类别无源元件    电阻器   
文件大小78KB,共4页
制造商TT Electronics plc
官网地址http://www.ttelectronics.com/
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70072340.25概述

Fixed Resistor, Wire Wound, 0.25W, 234ohm, 300V, 0.25% +/-Tol, -10,10ppm/Cel,

70072340.25规格参数

参数名称属性值
是否Rohs认证不符合
厂商名称TT Electronics plc
Reach Compliance Codecompliant
构造Tubular
引线直径0.6 mm
引线长度38.1 mm
端子数量2
最高工作温度145 °C
最低工作温度-65 °C
封装直径4.8 mm
封装长度9.5 mm
封装形状TUBULAR PACKAGE
封装形式Axial
额定功率耗散 (P)0.25 W
电阻234 Ω
电阻器类型FIXED RESISTOR
系列7000(AXIAL)
技术WIRE WOUND
温度系数-10,10 ppm/°C
容差0.25%
工作电压300 V

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Axial Lead Precision
Wirewound Resistors
RB / RBR, VA / HR, SP / 7000 Series
0.1 to 1.0 watts
Tolerance to ±.01%
0.1 ohm to 12 meg ohms
Approved to M, P, & R levels
TCR’s from ±2 ppm/°C to +6000 ppm/°C
Meets or exceeds all applicable MIL-R-93 & MIL-R-39005 ratings
The RB/RBR ultra precision resistors are designed and produced for critical parameter applications. They are available
for established reliability military and/or commercial applications requiring state of the art precision and stability.
Construction features may vary slightly between commercial and military styles, but both are produced under the same
rigid quality control system required by the tightest military specifications. Both are produced in the same production
line using the same highly trained operators required to produce the established reliability product.
All terminations are welded to reduce contact noise and thermal EMF. Extensive accelerated aging programs both
before and after calibration assure precise initial accuracy and high resistance stability.
Encapsulation is accomplished by a unique dry air chamber epoxy shell technique for established reliability parts. A
resilient inner coating is used to minimize internal stresses on all parts.
All resistors (military and commercial) are carefully monitored during assembly, winding, coating, and stabilization
procedures to assure high quality standards. Premium grade selected wire is control- stress wound on special designed
bobbins. Established reliability military parts are then burned in for 100 hours at 125°C ambient as part MIL-R-93, or
equivalent, of group A acceptance testing. Documentation and special tests are available upon customer request to
meet your unique requirements.
TCR and Temperature Data
Style
Resistance Range (Ω)
0.1 - 0.9
All
Styles
1.0 - 9.9
10 - 99.9
100 - 12M
Absolute TCR (ppm/°C)
±90
±30
±15
±10
-65 to +145
Operating Temperature Range (°C)
Special Screening / Acceptance Test:
Special tests can be performed on a 100% or sample basis, to meet individual customer requirements. Some of the
available non-destructive tests include:
• Short Time Overload
• Thermal Shock
• Mechanical Shock
• Vibration
• Temperature Coefficient of Resistance
• Radiographic Inspection
Each of these tests is designed to detect a spectrum of potential resistor defects. Consult the factory for recommendations
and a quotation on special screening or acceptance tests to meet your needs.
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
A subsidiary of
TT electronics plc
RB/RBR, VA/HR, SP/ 7000 Series Issue January 2010 Sheet 1 of 4
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
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