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LOR34T-R150-K

LOR34T-R150-K

  • 厂商:

    RCD

  • 封装:

  • 描述:

    LOR34T-R150-K - PRECISION LOW-OHM METAL PLATE RESISTORS - RCD COMPONENTS INC.

  • 详情介绍
  • 数据手册
  • 价格&库存
LOR34T-R150-K 数据手册
PRECISION LOW-OHM METAL PLATE RESISTORS RESISTORS CAPACITORS COILS DELAY LINES LV3 SERIES - MOLDED 3-WATT LOR SERIES - CERAMIC 3- & 5-WATT Term.W is Ideal for current sense applications RoHS compliant 0.0025Ω to .25Ω, 0.5% to 10% RoHS & 260°C compatible Low TC, high pulse capability Non-inductive metal element Available on RCD’s exclusive SWIFTTM delivery program! Choice of 2-terminal or 4-terminal designs RCD LV3 LOR LOR 4T OPTIONS Opt.18: .040” lead dia. on LOR3 (.040” is std on LOR5) Option 4T: 4 Terminal Option E: Low thermal emf design Non-std resistance values, custom marking, burn-in, etc. 1.25” Typ Series LOR rectangular shape and high thermal conductivity ceramic case efficiently transfers heat from the internal element resulting in excellent stability and overload capability. Series LV3 molded design offers improved uniformity for high-volume autoplacement applications. The resistance element of LOR and LV3 is non-inductive and constructed from near-zero TCR alloy minimizing thermal instability. Construction is flame retardent, solvent- and moisture-resistant. STANDARD RESISTANCE VALUES AND CODES (Non-standard values available, most popular values listed in bold) .0025Ω (R0025), .003Ω (R003), .005Ω (R005), .0068Ω(R0068), .0075Ω (R0075), .0082Ω (R0082), .01Ω (R010 if ≤1%,R01 if ≥2%), .012Ω(R012), .015Ω (R015), .02Ω (R020 if≤ 1%, R02 if≥ 2%), .022Ω (R022), .025Ω (R025), .03Ω (R030 if ≤1%, R03 if ≥ 2%), .033Ω (R033), .04Ω (R040≤1%, R04≥2%), .05Ω (R050≤1%, R05≥2%), .068Ω(R068), .07Ω (R070 if ≤1%, R07 if ≥ 2%), .075Ω (R075), .08Ω (R080 if≤1%, R08 ≥2%), .1Ω (R100 if≤1%, R10 ≥2%), .15Ω (R150 if ≤1%, R15 ≥2%), .2Ω (R200 if ≤1%, R20 ≥2%), .25Ω (R250 if ≤1%, R25 ≥2%). ← A → 2nd pair of leads applies to Opt. 4T only B B ↓ ↑d X X → ← Resis. Measurement Point (see Applic. Note #1) WATTAGE @25°C 3W 5W 3W C U R R EN T RATING1 25A 40A 25A C LOR is rectangular, LV is cylindrical RCD TYPE LOR3 LOR5 LV3 1 RESISTANCE RANGE (OHMS) .0025 to .25 .0025 to .25 .005 to 0.1 RESISTANCE MEASUREMENT POINT ±.062 [1.6] 1.310 [33.3] 1.670 [42.4] 1.310 [33.3] DIMENSIONS A ±.04 [1] .551 [14] .880 [22.35] .513 [13] B ±.032 [.8] .256 [6.5] .320 [8.13] .142 [3.6] d ±.002 [.05] .032 [.8] .040 [1] .032 [.8] 3 Specify 3 C2 ±.032 [.8] .075 [1.9] .100 [2.54] n/a Max. current is based on I= (P/R)1/2, not to exceed the value listed (increased levels avail). 2 Dim. C applies only to Opt.4T opt.18 for .040 [1mm] lead dia PERFORMANCE CHARACTERISTICS , POWER DERATING % Rated Power 100 75 50 25 0 25 50 75 100 125 150 175 200 225 250 275 Test Parameter Load Life Vibration Overload Temp. Coefficient Temp. Range Dielectric Strength Insulation Res. Terminal Strength Solderability Inductance Performance, Typ. 0.5% +.5mΩ 0.05% +.5mΩ 5 Sec, 5X rated W (NTE Current Rating) (per chart, 4wire conn. at body) -55° to +275°C 1000 VAC 10,000MΩ min dry 10 lb. min. per Mil-STD-202, m.208 5nH to 20nH typ Temperature °C TEMPERATURE COEFFICIENT (typ.) 400 300 250 200 150 100 50 0 0 LOR3, LV3 LOR5, LOR3-18 Opt.4T ppm/°C 10 20 Resistance (milli ohm) 30 40 50 60 70 80 90 APPLICATION NOTES: 1) 3W parts to be measured at 1.31” [33.3mm], 5W parts at 1.67” [42.4mm]. Also available per customer requirement. 2) 18AWG (0.040” dia) leads are standard on LOR5 and available on LOR3 (specify opt. 18). RCD recommends .040” leads, since the heavier gauge results in lower lead resistance, improved heat transfer, and lower in-circuit TCR (.032” leadwires have resistivity of ~1mΩ/in., 0.04” dia. have ~0.6mΩ/in). An extra inch of .032” leadwire in the circuit will increase the TC of a 10mΩ resistor by roughly 350ppm. Keep leadwires short for best TC stability. 3) To achieve utmost precision in current sense or shunt applications, RCD offers LOR3 & LOR5 in 4-terminal version, specify opt.4T (eliminates lead resistance when utilized in Kelvin configuration). Request App. note #R31 for performance comparison of 2- vs. 4-terminal. P/N DESIGNATION: RCD Type (LOR3, LOR5, or LV3) LOR3 - R05 - J B W Options: E, 4T, 18 (leave blank if standard) Resis. Code (see table above): 0.5% & 1%: 3 signif. digits & multiplier; R010=0.01Ω, R150=0.15Ω 2%-10%: use 2 signif.digits & multiplier; R01=.01Ω, R10=.1Ω, etc. Use extra digits as needed R005, R0025, R0075, R012, etc. Tolerance Code: D=0.5%, F=1%, G=2%, H=3%, J=5%, K=10% Packaging: B = bulk (std.),T = Tape & Reel (not avail. on option 4T) Termination: W= Lead-free, Q= Tin/Lead (leave blank if either is acceptable, in which case RCD will select based on lowest price and quickest delivery) RCD Components Inc, 520 E.Industrial Park Dr, Manchester, NH, USA 03109 rcdcomponents.com Tel: 603-669-0054 Fax: 603-669-5455 Email:sales@rcdcomponents.com FA049C Sale of this product is in accordance with GF-061. Specifications subject to change without notice. 55
LOR34T-R150-K
### 物料型号 - LOR3系列:3瓦特,25A电流额定值,电阻范围0.0025Ω至0.25Ω。 - LOR5系列:5瓦特,40A电流额定值,电阻范围0.0025Ω至0.25Ω。 - LV3系列:3瓦特,25A电流额定值,电阻范围0.005Ω至0.1Ω。

### 器件简介 RCD LV3和LOR系列电阻器是精密低欧姆金属板电阻器,适合电流感测应用,具有低温度系数和高脉冲能力。LOR系列具有高热导性的陶瓷外壳,而LV3系列则提供更好的一致性,适用于高容量自动放置应用。

### 引脚分配 - LOR3和LOR5:标准为18AWG(0.040”直径)引脚,LOR3可选择opt.18。 - 4-terminal设计:提供2端和4端设计选项,4端设计可通过opt.4T指定,用于消除凯尔文配置中的引脚电阻。

### 参数特性 - 功率耗散:LOR3和LV3为3瓦特,LOR5为5瓦特。 - 电流额定值:LOR3为25A,LOR5为40A,LV3为25A。 - 电阻范围:LOR3和LOR5为0.0025Ω至0.25Ω,LV3为0.005Ω至0.1Ω。 - 温度系数:根据图表,采用4线连接在外壳上测量。

### 功能详解 这些电阻器具有非感性金属元件,由接近零温度系数合金制成,最小化热不稳定性。结构具有阻燃、耐溶剂和耐湿性。

### 应用信息 适用于电流感测或分流应用,RCD提供LOR3和LOR5的4端版本,以实现极高的精度。

### 封装信息 - LOR3:尺寸为1.310" x 0.551" x 0.256",引脚直径0.032"。 - LOR5:尺寸为1.670" x 0.880" x 0.320",引脚直径0.040"。 - LV3:尺寸为1.310" x 0.513" x 0.142",无引脚直径信息。
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