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LOR34T-R012-F

更新时间: 2024-11-06 05:42:31
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RCD 电阻器
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PRECISION LOW-OHM METAL PLATE RESISTORS

LOR34T-R012-F 数据手册

  
RESISTORSCAPACITORSCOILSDELAY LINES  
PRECISION LOW-OHM METAL PLATE RESISTORS  
V3  
RCD L  
LOR  
LV3 SERIES - MOLDED 3-WATT  
LOR 4T  
LOR SERIES - CERAMIC 3- & 5-WATT  
Term.W is  
RoHS  
compliant  
& 260°C  
compatible  
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 auto-  
placement 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.  
Ideal for current sense applications  
0.0025to .25, 0.5% to 10%  
Low TC, high pulse capability  
Non-inductive metal element  
RoHS  
Available on RCD’s exclusive SWIFTTM delivery program!  
Choice of 2-terminal or 4-terminal designs  
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.  
STANDARD RESISTANCE VALUESAND CODES  
(Non-standard values available, most popular values listed in bold)  
.0025(R0025), .003(R003), .005(R005), .0068(R0068), .0075(R0075),  
.0082(R0082), .01(R010 if 1%,R01 if 2%), .012(R012), .015(R015),  
.02(R020 if1%, R02 if2%), .022(R022), .025(R025), .03(R030 if  
1%, R03 if 2%), .033(R033), .04(R0401%, R042%), .05(R0501%,  
R052%), .068(R068), .07(R070 if 1%, R07 if 2%), .075(R075),  
.08(R080 if1%, R08 2%), .1(R100 if1%, R10 2%), .15(R150 if  
1%, R15 2%), .2(R200 if 1%, R20 2%), .25(R250 if 1%, R25 2%).  
2nd pair of leads  
appliestoOpt. 4Tonly  
1.25Typ  
A →  
B
B
X
X
C
d
LOR is rectangular,  
LV is cylindrical  
Resis. Measurement Point  
(see Applic. Note #1)  
RCD WATTAGE CURRENT RESISTANCE  
RESISTANCE  
MEASUREMENT POINT  
DIMENSIONS  
TYPE  
@25°C  
RATING1  
RANGE  
(OHMS)  
A ±.04 [1]  
B ±.032 [.8]  
d ±.002 [.05]  
C2 ±.032 [.8]  
±.062 [1.6]  
3
LOR3  
LOR5  
LV3  
3W  
5W  
3W  
25A  
40A  
25A  
.0025 to .25  
.0025 to .25  
.005 to 0.1  
1.310 [33.3]  
1.670 [42.4]  
1.310 [33.3]  
.551 [14]  
.880 [22.35]  
.513 [13]  
.256 [6.5]  
.320 [8.13]  
.142 [3.6]  
.032 [.8]  
.040 [1]  
.032 [.8]  
.075 [1.9]  
.100 [2.54]  
n/a  
1 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 3 Specify opt.18 for .040 [1mm] lead dia  
PERFORMANCE CHARACTERISTICS  
POWER DERATING  
100  
Test Parameter  
Performance, Typ.  
,
75  
50  
25  
0
Load Life  
Vibration  
0.5% +.5mΩ  
0.05% +.5mΩ  
25  
50  
75  
100  
125  
150  
175  
200 225  
250  
275  
Overload  
5 Sec, 5X rated W  
(NTE Current Rating)  
Temperature °C  
Temp. Coefficient  
Temp. Range  
(per chart, 4wire conn. at body)  
-55° to +275°C  
TEMPERATURECOEFFICIENT (typ.)  
400  
LOR3, LV3  
300  
250  
200  
150  
100  
50  
Dielectric Strength  
1000 VAC  
Insulation Res.  
Terminal Strength  
Solderability  
10,000Mmin dry  
10 lb. min.  
LOR5, LOR3-18  
Opt.4T  
per Mil-STD-202, m.208  
5nH to 20nH typ  
0
0
10  
40  
70  
80  
90  
20 Res3is0tance (milli5o0hm) 60  
Inductance  
P/NDESIGNATION:  
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.  
LOR3  
- R05 - J B W  
RCD Type (LOR3, LOR5, or LV3)  
Options: E, 4T, 18 (leave blank if standard)  
Resis. Code (see table above):  
0.5% & 1%: 3 signif. digits & multiplier; R010=0.01, R150=0.15Ω  
2%-10%: use 2 signif.digits & multiplier; R01=.01, R10=.1, etc.  
Use extra digits as needed R005, R0025, R0075, R012, etc.  
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 ~1m/in., 0.04” dia. have ~0.6m/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.  
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)  
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.  
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)  
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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.  
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