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LMJ12 Current Sense Resistor

LMJ12

Description

  • Proprietary processing technique produces extremely low resistance values
  • Very low inductance
  • Low thermal EMF
  • Metallic Material

Part Numbering System 

LMJ12

Parameter Standard
Power Rating 0.5W & 1W
Resistance Value 1~200mΩ
Operating Temperature Range -55 to +170°C
Component Temperature Coefficient (TCR) ± 50ppm/°C & 380ppm/°C
Maximum Working Voltage (V) (P×R)1/2
Rating Current (A) (P/R)1/2

P=Power Rating; R=Resistance Value

Standard Electrical Specifications

    Type   Rating Power at 70℃   T.C.R.   (ppm/℃) Resistance Range(mΩ) 0.5%（D） 1.0%（ F） 2.0%（ G） 5.0%（ J）     Meterial Electrode   Operating Temperature(℃)
  LMJ12   1W  380   1~100   R001~R100: CuMn R001   -55~+170°C
50 R001: (S)
R002~R100
0.5W 50 101~200 R101~R200: Karma R101~R200

 

Dimensions

LMJ12

Unit: Millimeters

Type Resistance Range (mΩ) L W C T
LMJ 12 1 (S) 3.2 ±0.2 1.6 ±0.2 1.2 ±0.2 0.7± 0.15
1~200 3.2 ±0.2 1.6 ±0.2 0.5±0.2 0.7± 0.15

 

Recommended land pattern

LMJ12

Resistance Range ( mΩ ) a b L
1 (S) 1.8±0.1 2.3±0.1 1.0±0.1
1~200 1.8±0.1 1.7±0.1 1.6±0.1

Tapping & Package 

LMJ12

Type Pack A ±0.2 B ±0.2 D0 0.05+/-0 E ±0.1 F ±0.05 P0 ±0.1 P1 ±0.1 P2 ±0.1 W ±0.2 T ±0.15
1206 Paper 2.00 3.60 1.50 1.75 3.50 4.00 4.00 2.00 8.00 0.81

 

Reel Specification

LMJ12

Type A B C D M W
1206 2.00±0.5 13.5±0.5 21.00±0.5 60.00±1.0 178.00±2.0 9.00±1.0

 

Product Characteristics

Item Test condition/ Methods Limited Standard
Resistance Measuring resistance value at room temperature 25℃±5℃ Refer to Spec IEC60115-1 4.5
    Temperature coefficient of resistance TCR =(R-R0)/R0(T2-T1)X 106 R0 : resistance of room temperature R: resistance of 125℃ T1: Room temperature T2: Temperature at 125℃     Refer to Spec     MIL-STD-202 Method 304
  Short time Overload   5×Rated power for 5 seconds   ≤±0.5% MIL-STD-202 Method 210
Resistance to  Soldering Heat 260℃± 5℃ time ：10sec± 1sec ≤±0.5% MIL-STD-202 Method 210
Temperature Cycling -55℃ (30min)/+125℃(30min), 1000 cycles ≤±0.5% MIL-STD-202 Method107G
Low temperature Storage -55℃ for 1000hours, No power ≤±0.5% MIL-STD-26E
High Temperature Storage 125℃ for 1000hours, No power ≤±1% IEC6011501-4.25
Bias Humidity +85℃, 85% RH ，10%bias,  1.5 h "ON", 0.5 h "OFF" ，1000hours ≤±0.5% MIL-STD-202 Method103
  Joint Strength of Solder Soldered on the bending test plate, put on the bending testing machine, pressed under force in the center of the test plate, measure its resistance variance rate under load     ≤±0.5%     JIS-C5201
  Solderability Temperature of Solder ：245±5℃ Dipping time:3±1s Solder coverage over 95%   IEC60115-1 4.17
Load life 1000 h at 70 °C , 1.5 h "ON", 0.5 h "OFF" ≤±1% JIS-C5201
Operational life 125℃± 3℃, 1000 hours, at rated power ≤±0.5% MIL-STD-202 Method 108

 

Derating Curve

LMJ12

 

Packaging

Quantity: 5, 000pcs

8mm wide tape on 178mm(7 inch)

diameter reel -specification EIA

Standard 481.

Resistor Production Resource Pool

★：Common resistance values；

LMJ12 Series 1206
1W
R000 R001 R002 R003 R005 R010 R015 R020 R025 R030 R040 R050 R100
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

√：Resistance values can be produced.

LMJ12 Series 1206
1W
R120 R130 R150 R180 R200 R022 R024 R027 R033 R035 R039 R045 R047 R060 R068 R070 R075 R080
√ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
LMJ12 Series 1206
1W
R0015 R0025 R004 R0048 R006 R007 R008 R009 R011 R012 R013 R014 R018 R082 R090
√ √ √ √ √ √ √ √ √ √ √ √ √ √ √

 

 

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