LR1206-21R006F4

DATA SHEET Product Name Metal Strip Chip Resistors Part Name LR Series Uniroyal Electronics Global Co., Ltd. 88#, Longteng Road, Economic & Technical Development Zone, Kunshan, Jiangsu, China Tel Email Manufacture Plant +86 512 5763 1411 / 22 /33 marketing@uni-royal.cn Uniroyal Electronics Industry Co., Ltd. Aeon Technology Corporation Royal Electronic Factory (Thailand) Co., Ltd. Royal Technology (Thailand) Co., Ltd. Metal Strip Chip Resistors 1. Scope 1.1 This specification for approve relates to the Metal Strip Chip Resistors manufactured by UNI-ROYAL. 1.2 Low Resistance / Low TCR 1.3 Excellent long term stability 1.4 RoHs compliant and halogen free. 1.5 Lead free. 1.6 High precision current sensing and voltage division. 2. Part No. System Part No. includes 14 codes shown as below: 2.1 1st~4th codes: Part name. E.g.: LR05, LR06, LR12，LR25，LR28，LR27 2.2 5th~6th codes: Power rating. E.g.: W=Normal Size “1~G” = “1~16” Wattage 1/32 3/4 1/2 1/3 1/4 1/8 1/10 1/16 1/20 1 Normal Size WH 07 W2 W3 W4 W8 WA WG WM 1W If power rating is lower or equal than 1 watt, 5th code would be “W” and 6th code would be a number or letter. E.g.: 1W=1W 4W=4W 2.3 7th code: Tolerance. E.g.: D=±0.5% F=±1% G=±2% J=±5% K= ±10% 2.4 8th~11th codes: Resistance Value. 2.4.1 If value belongs to standard value of ≥5% series, 8th code would be zero,9th~10th codes are significant figures of the resistance and 11th code is the power of ten. 2.4.2 If value belongs to standard value of ≤2% series, 8th~10th codes are significant figures of the resistance, and 11th code is the power of ten. 2.4.3 11th codes listed as following: 0=100 1=101 2=102 3=103 4=104 5=105 6=106 J=10-1 K=10-2 L=10-3 M=10-4 -5 -6 N=10 P=10 2.5 12th~14th codes. 2.5.1 12th code: Packaging Type. E.g.: C=Bulk T=Tape/Reel 2.5.2 13th code: Standard Packing Quantity. 4=4000pcs 5=5000pcs C=10000pcs D=20000pcs E=15000pcs Chip Product: BD=B/B-20000pcs TC=T/R-10000pcs 2.5.3 14th code: Special features. E = Environmental Protection, Lead Free, or Standard type. 3. Ordering Procedure (Example: LR06 1W ±1% 1mΩ T/R-5000) L R 0 Product Type: Fill-in 4 digits with the chip resistor type as follows: LR05 LR06 LR12 LR25 LR28 LR27 6 1 W Wattage: 07=3/4W 1W=1W 2W=2W 3W=3W 4W=4W 5W=5W F 1 0 0 N T Resistance Value: 5%(E‐24 series):  The 1st digit will be “0”; the 2nd & 3rd digits are for the significant figures of the resistance and the 4th digit indicate the numbers of zeros following. 1%(E-96 series ): The 1st to 3rd digits are for the significant figures of the resistance and 4th digit denotes number of zeros following. 5 E Packing quantity: A=500 PCS 1=1000PCS 2=2000PCS 3=3000PCS 4=4000PCS 5=5000PCS E= Lead-Free J=10-1; K=10-2; L=10-3 M=10-4 ；N=10-5 ； P=10-6 D=±0.5% F=±1% G=±2% J=±5% Apr.02,2020 V.1 Packing Type: T=Tape/Reel www. uni-royal.cn Page 2/8 Metal Strip Chip Resistors 4. Marking 4.1 LR05 products no marking. 4.2 All the other products marking are 4 digits. (1) “R” designates the decimal location in ohms e.g. 1mΩ the product marking is R001. 25mΩ the product marking is R025. 100mΩ the product marking is R100. (2) 0Ω product marking is 0R 4.3 The criteria to distinguishing the mark on the surface of products are that characters can be identified. 5. Standard Electrical Specifications Type LR05 LR06 LR12 LR25 LR28 LR27 T.C.R. (ppm/℃) Max. Rating Current （A） Max. Overload Current (A) ≦±100 31.62 63.24 --- 1 ≦±75 25.81 44.72 --- 1.5~2 ≦±50 15.81 31.62 --- 2.5~15 1W ≦±50 31.62 63.24 7~50 1~50 1.5W ≦±50 38.72 77.49 7~10 1~10 2W ≦±75 63.24 141.42 --- 0.5~0.75 2W ≦±50 44.72 100.00 16~450 1~450 3W ≦±75 77.45 154.91 --- 0.5~0.75 3W ≦±50 54.77 109.54 7~100 1~100 ≦±75 126.49 252.98 Rating Power at 70℃ 1W 4W Resistance Range (mΩ) 0.5% (D) 1.0% (F) 2.0% (G) 5.0% (J) Operating Temperature Range (℃) -55~+170℃ 0.25~0.3 --- ≦±50 89.44 178.88 0.5~3 4W ≦±50 31.62 63.24 7~450 4~450 3W ≦±75 77.45 173.20 --- 0.5 3W ≦±50 54.77 122.47 7~60 1~60 5W ≦±75 100.00 173.20 --- 0.5 5W ≦±50 70.71 122.47 7~500 1~500 Jumper Specifications Apr.02,2020 V.1 Type Rating Power at 70℃ Max. Rating Current LR05 1W 70.7A LR06 1W 70.7A LR12 2W 100A www. uni-royal.cn Resistance (mΩ) Operating Temperature Range (℃) ≦0.2 -55~+170℃ Page 3/8 Metal Strip Chip Resistors 6. Dimension Unit:mm Type Power Rating Resistance Range L W H A B 0.500±0.200 1mΩ 1.5mΩ LR05 1W 2mΩ 2.5~3mΩ 2.100±0.200 1.500±0.200 0.350±0.200 / 0.400±0.200 0.508±0.254 0.508±0.254 1.150±0.254 1.800±0.200 0.900±0.200 1.05±0.254 2.200±0.254 1.800±0.200 0.900±0.200 4~8mΩ 1W LR06 1.5W 2W LR12 9~15mΩ 1mΩ 2mΩ 0.770±0.254 0.650±0.254 3~20mΩ 21~50mΩ 1mΩ 2mΩ 3~10mΩ 0.5mΩ 1 mΩ 2~15mΩ 16~75mΩ 76~100mΩ 101~135mΩ 136~200mΩ 201~450mΩ 0.5mΩ 1mΩ 0.550±0.254 3.200±0.254 1.650±0.254 0.700±0.200 0.600±0.254 0.550±0.254 0.470±0.254 6.35±0.254 3.18±0.254 1.5mΩ 3W LR25 LR28 4W 4W 3W LR27 5W Apr.02,2020 V.1 0.470±0.254 0.770±0.254 0.650±0.254 0.550±0.254 0.770±0.254 1.100±0.254 0.75±0.254 0.400±0.254 0.850±0.254 0.770±0.254 0.670±0.254 2.200±0.254 1.150±0.254 2mΩ 2.5~6mΩ 7~75mΩ 76~100mΩ 0.25mΩ 0.3mΩ 0.5mΩ 1mΩ 1.5mΩ 2~3mΩ 4~450mΩ 0.5mΩ 1mΩ 1.5~5mΩ 6~60mΩ 0.5mΩ 1.400±0.254 1.150±0.254 0.550±0.254 0.600±0.254 0.550±0.254 0.75±0.254 0.770±0.254 6.800±0.254 6.600±0.254 11.300±0.500 6.350±0.254 6.700±0.254 6.600±0.500 1mΩ 0.650±0.254 0.40±0.254 0.650±0.254 0.90±0.254 www. uni-royal.cn 1.800±0.254 1.050±0.254 3.000±0.254 2.000±0.254 0.550±0.254 0.800±0.254 0.580±0.254 2.300±0.254 1.800±0.254 2.300±0.254 1.500±0.254 0.550±0.254 0.580±0.254 0.770±0.254 0.680±0.254 1.5~5mΩ 6~500mΩ 1.15±0.254 1.100±0.254 3.000±0.254 0.65±0.254 2.000±0.254 Page 4/8 Metal Strip Chip Resistors JumperDimension Unit:mm Power Rating Type Resistance Range L W H A B LR05 1W < 0.2mΩ 2.10±0.20 1.500±0.20 0.35±0.20 LR06 1W < 0.2mΩ 3.200±0.250 1.650±0.250 0.650±0.254 0.508±0.254 0.508±0.254 LR12 2W < 0.2mΩ 6.350±0.250 0.650±0.254 1.15±0.254 1.100±0.254 3.180±0.250 / 0.40±0.20 7. Structure 8. Recommend land pattern Unit：mm Type Resistance Range a b i LR05-1W 1~15mΩ 1.00 1.80 1.00 Jumper：≦0.2mΩ 1.46 2.15 1.68 1mΩ~100mΩ 1.46 2.15 1.68 Jumper：≦0.2mΩ 2.30 3.68 3.15 LR06 –1W,1.5W LR12 -2W LR12 3W LR25 - 4W LR28 - 4W LR27-,3W,5W Apr.02,2020 V.1 0.5mΩ 3.40 3.68 0.95 1mΩ~15mΩ 1.90 3.68 3.50 16mΩ~200mΩ 2.30 3.68 3.15 201mΩ~500mΩ 2.05 3.68 3.65 0.5mΩ~1mΩ 3.40 3.68 0.95 1.5mΩ 2.35 3.68 1.35 2mΩ 2.10 3.68 2.55 2.5mΩ~100mΩ 2.30 3.68 3.15 0.25mΩ；0.5mΩ 3.25 6.85 1.70 0.3mΩ；1mΩ~3mΩ 2.75 6.85 2.70 4mΩ~450mΩ 2.05 7.20 3.90 0.5mΩ~1.5mΩ 4.50 8.74 4.50 2.0mΩ~100mΩ 3.50 8.74 6.50 101mΩ~500mΩ 3.50 8.74 6.50 www. uni-royal.cn Page 5/8 Metal Strip Chip Resistors 9. Derating Curve Resistors shall have a power rating based on continuous load operation at an ambient temperature of 70 ℃. For temperature in excess of 70 ℃ , The load shall be derate as shown in figure 1. Figure 1 The following equation may be used to determine the DC (Direct Current) or AC (Alternating Current) (RMS, root mean square value) of normal rated power. However, if the result value exceeds the highest current of regulated standards, the highest normal rated power is to be used I= P  R I = Rating current (A) P= Rating Power (W) R= Resistance(Ω) 10. Performance Specification Test Item Test Method Procedure Requirements Temperature Coefficient JIS C 5201-1 4.8 Natural resistance changes per temp. Degree centigrade R2-R1 × 106 (PPM/℃) R1(t2-t1) R1: resistance value at room temp. (t1) R2: resistance value at room temp. +100℃ (t2) Test pattern: room temp. (T1), room temp. +100℃(t2) Short-time overload JIS-C-5201 .4.13 Permanent resistance change after the application of a potential of 5 times power rate for 5 seconds ΔR≤土0.5% Operational Life JIS-C-5201 4.25.1 Permanent Resistance change after 1000 hours operating at rated working current or Max .Working Current whichever less with duty cycle of 1.5hours “ON”，0.5 hour “OFF” at 70±2°C ambient. ΔR≤土1.0% High Temp. Exposure MIL-STD-202 108A Exposed to a temperature of 170±2°C for 1000H. ΔR≤土1.0% Biased Humidity MIL-STD-202 Method 103 1000 hours 85°C/85%RH. Note: Specified conditions:10% of operating power. Measurement at 24±4 hours after test conclusion. ΔR≤土0.5% Rapid change of temperature JIS-C-5201 4.19 30 min at -55 °C and 30 min at 170°C; 100 cycles ΔR≤土0.5% Terminal bending JIS-C-5201 4.33 2mm， 60Sec ΔR≤土0.50% Resistance to Solder Heat JIS-C-5201 4.18 Solderability JIS-C-5201 4.17 Dielectric Withstanding Voltage JIS-C-5201 4.7 Applied 500 VAC for 1 minute , and Limit surge current 50 mA (max.) No short or burned on the appearance Terminal Strength JIS-C-5201 4.16 5N , 10 seconds No broken Apr.02,2020 V.1 Dip the resister into a temperature of 260±5°C and hold it for a 10±1 seconds. The area covered with a new, smooth, clean, shiny and continuous surface free from concentrated pinholes. Temperature of solder: 245±3°C; Dwell time in solder: 2~3 seconds. www. uni-royal.cn List by specification ΔR≤土0.5% >95% Coverage Page 6/8 Metal Strip Chip Resistors For Jumper Test Item 11. Test Method Procedure Requirements Short Time Overload JIS C 5201-1 4.13 Permanent resistance change after the application of a potential of 4 times power rate for 5 seconds ≦0.2mΩ Temperature Cycling JIS-C-5201 4.19 30 min at -55 °C and 30 min at 170°C; 100 cycles ≦0.2mΩ High Temperature Exposure MIL-STD-202 108A Exposed to a temperature of 170±2°C for 1000H. ≦0.2mΩ Bias Humidity MIL-STD-202 Method 103 1000 hours 85°C/85%RH. Note: Specified conditions:10% of operating power . Measurement at 24±4 hours after test conclusion. ≦0.2mΩ Operational Life JIS C 5201-1 4.25 Solderability JIS-C-5201 4.17 Permanent Resistance change after 1000 hours operating at rated working current or Max .Working Current whichever less with duty cycle of 1.5hours “ON”，0.5 hour “OFF” at 70±2°C ambient. The area covered with a new, smooth, clean, shiny and continuous surface free from concentrated pinholes. Temperature of solder : 245±3°C; Dwell time in solder: 2~3 seconds. ≦0.2mΩ >95% coverage Soldering Profile 12. Packing of Surface Mount Resistors 12.1 Embossed Dimensions:(Unit: mm) Type Resistance Range LR05 1~15mΩ LR06 LR12 1mΩ 2~100mΩ 0.5mΩ 1~500mΩ W P E F φD1 G H A B T1 T 8.0±0.30 4.0±0.10 1.75±0.10 3.5±0.10 1.0±0.10 4.0±0.10 2.0±0.10 2.03±0.10 3.55±0.10 0.80±0.20 0.20±0.05 8.0±0.30 4.0±0.10 1.75±0.10 3.5±0.10 1.0±0.10 4.0±0.10 2.0±0.10 2.03±0.10 3.55±0.10 12.0±0.30 4.0±0.10 1.75±0.10 5.5±0.10 1.55±0.10 4.0±0.10 2.0±0.10 3.50±0.10 6.80±0.10 φD 1.50 . 1.10±0.10 0.85±0.10 1.10±0.10 0.90±0.10 0.20±0.05 0.20±0.05 LR25 0.25~3mΩ 12.0±0.30 8.0±0.10 1.75±0.10 5.5±0.10 1.55±0.10 4.0±0.10 2.0±0.10 6.81±0.10 7.16±0.10 1.05±0.10 0.25±0.05 LR28 4~450mΩ 12.0±0.30 8.0±0.10 1.75±0.10 5.5±0.10 1.55±0.10 4.0±0.10 2.0±0.10 7.10±0.10 7.05±0.10 0.95±0.10 0.20±0.05 LR27 0.5~500mΩ 24.0±0.30 12.0±0.10 1.75±0.10 11.5±0.10 1.50±0.10 4.0±0.10 2.0±0.10 7.38±0.10 12.0±0.10 1.05±0.10 0.30±0.10 Apr.02,2020 V.1 www. uni-royal.cn Page 7/8 Metal Strip Chip Resistors 12.2 Dimension of Reel：(Unit: mm) 13. Type Taping Qty/Reel A ΦB ΦC ΦD W ΦM LR05 Embossed 5,000pcs 2.0±0.5 13.0±0.5 21.0±0.5 60.0±1.0 10.0±1.0 178±2.0 LR06 Embossed 5,000pcs 2.0±0.5 13.0±0.5 21.0±0.5 60.0±1.0 10.0±1.0 178±2.0 LR12 Embossed 4,000pcs 2.0±0.5 13.0±0.5 21.0±0.5 60.0±1.0 13.8±1.0 178±2.0 LR25 Embossed 2.5±0.5 13.5±0.5 17.7±0.5 60.0±1.0 16.2±1.0 178±2.0 LR28 Embossed 2.5±0.5 13.5±0.5 17.7±0.5 60.0±1.0 16.2±1.0 178±2.0 LR27 Embossed 2.0±0.5 13.2±0.5 17.7±0.5 60.0±1.0 24.4±2.0 178±2.0 2,000pcs 1,000pcs 2,000pcs 1,000pcs 1,000pcs 500pcs Note 13.1 UNI-ROYAL recommend the storage condition temperature: 25±5℃, humidity :60±20%. (Put condition for individual product). Even under UNI-ROYAL recommended storage condition, solderability of products over 1 year old. (Put condition for each product) may be degraded. 13.2 Store / transport cartons in the correct direction, which is indicated on a carton as a symbol. Otherwise bent leads may occur due to excessive stress applied when dropping of a carton. 13.3 Product performance and soldered connections may deteriorate if the products are stored in the following places: a. Storage in high Electrostatic. b. Storage in direct sunshine、rain and snow or condensation. c. Where the products are exposed to sea winds or corrosive gases, including Cl2, H2S3 NH3, SO2, NO2. 14. Record Version Description Page Date Amended by Checked by 1 First version 1~8 Apr.02, 2020 Haiyan Chen Yuhua Xu V.1 www. uni-royal.cn   Apr.02,2020 Page 8/8