SPECIFICATION |
|||||||
| Type No. | Size (Inch) | L (mm) | W (mm) | T (mm) | D1 (mm) | D2 (mm) | Weight (g) (1000pcs) |
| RS-02 | 0402 | 1.00±0.05 | 0.50±0.05 | 0.35±0.05 | 0.20±0.10 | 0.20±0.10 | 0.620 |
| RS-03 | 0603 | 1.60±0.10 | 0.80±0.10 | 0.45±0.10 | 0.30±0.20 | 0.30±0.20 | 2.042 |
| RS-05 | 0805 | 2.00±0.10 | 1.25±0.10 | 0.50±0.10 | 0.35±0.20 | 0.40±0.20 | 4.368 |
| RS-06 | 1206 | 3.10±0.10 | 1.55±0.10 | 0.55±0.10 | 0.55±0.25 | 0.55±0.20 | 8.947 |
| RS-10 | 1210 | 3.10±0.10 | 2.60±0.15 | 0.55±0.10 | 0.50±0.25 | 0.50±0.20 | 15.959 |
| RS-0A | 2010 | 5.00±0.10 | 2.50±0.15 | 0.55±0.10 | 0.60±0.25 | 0.50±0.20 | 24.241 |
| RS-12 | 2512 | 6.35±0.10 | 3.10±0.15 | 0.55±0.10 | 0.60±0.25 | 0.50±0.20 | 39.448 |
LOW OHM CURRENT SENSING THICK FILM CHIP RESISTOR
The RS series low ohm current sensing thick film chip resistors are manufactured with Ruthenium-base which gives low inductance, high current capability.
| Alumina Substrate | Edge Electrode | W (mm) | |||
| Bottom Electrode | Barrier Layer | Primary Overcoat | |||
| Top Electrode | External Electrode | Secondary Overcoat |
| Product Type |
|---|
| RS |
| Dimensions |
|---|
| 02: 0402
03: 0603 05: 0805 06: 1206 10: 1210 0A: 2010 12: 2512 |
| Resistance Tolerance |
|---|
| F: ±1%2
J: ±5% |
| Function Code |
|---|
| L: Standard
P: High Power |
| Packaging Code |
|---|
| 4: 7” Reel 4Kpcs
6: 7” Reel 10Kpcs 7: 7” Reel 5Kpcs 9: 10” Reel 8Kpcs A: 10” Reel 10Kpcs B: 10” Reel 20Kpcs C: 13” Reel 40Kpcs D: 13” Reel 20Kpcs F: Bulk |
| Resistance |
|---|
| - 0R047: 0.0 47Ω
- - - 0 R1: 0.1Ω “-“ to fill up 6 spaces |


| Type | A(mm) | B(mm)/td> | C(mm) |
| RS-02 | 0.50 | 0.45 | 0.60 |
| RS-03 | 0.90 | 0.60 | 0.90 |
| RS-05 | 1.20 | 0.70 | 1.30 |
| RS-06 | 2.00 | 0.90 | 1.60 |
| RS-10 | 2.00 | 0.90 | 2.80 |
| RS-0A | 3.80 | 0.90 | 2.80 |
| RS-12 | 3.80 | 1.60 | 3.50 |


Wave Soldering (Flow Soldering)
- Time of IR reflow soldering at maximum temperature point 260°C:10s
- Time of wave soldering at maximum temperature point 260°C:10s
- Time of soldering iron at maximum temperature point 410°C:5s

| Type | Item | Power Rating at 70º | Operating Temp. Range | Max. Operating Current (mΩ) | Resistance Range | TCR (PPM/°C) | |
| ±1% | ±5% | |||||
| RS-02 (0402) | 1/16W | -55 ~ +155°C | 1.11A | 50 - 91 100 - 976 |
±800 ±500 |
|
| RS-03 (0603) | 1/10W | -55 ~ +155°C | 2.23A | 20 - 47 50 - 91 100 - 976 |
±1200 ±800 ±500 |
|
| RS-05 (0805) | 1/8W | -55 ~ +155°C | 3.53A | 10 - 18 20 - 47 50 - 91 100 - 976 |
±1500 ±1200 ±800 ±500 |
|
| RS-06 (1206) | 1/4W | -55 ~ +155°C | 5.00A | |||
| RS-10 (1210) | 1/3W | -55 ~ +155°C | 5.77A | 10 - 18 20 - 91 100 - 976 |
±1500 ±800 ±500 |
|
| RS-0A (2010) | 3/4W | -55 ~ +155°C | 8.66A | |||
| RS-12 (2512) | 1W | -55 ~ +155°C | 10.0A | |||
Operating Voltage=√(P*R) ; Overload Voltage=2.5*√(P*R)
| Type | Item | Power Rating at 70º | Operating Temp. Range | Max. Operating Current (mΩ) | Resistance Range | TCR (PPM/°C) | |
| ±1% | ±5% | |||||
| RS-02 (0402) | 1/10W | -55 ~ +155°C | 1.40A | 50 - 91 100 - 976 |
±800 ±500 |
|
| RS-03 (0603) | 11/8W | -55 ~ +155°C | 2.50A | 20 - 47 50 - 91 100 - 976 |
±1200 ±800 ±500 |
|
| RS-05 (0805) | 1/4W | -55 ~ +155°C | 5.00A | 10 - 18 20 - 47 50 - 91 100 - 976 |
±1500 ±1200 ±800 ±500 |
|
| RS-06 (1206) | 1/3W | -55 ~ +155°C | 5.77A | |||
| RS-10 (1210) | 1/2W | -55 ~ +155°C | 7.07A | 10 - 18 20 - 91 100 - 976 |
±1500 ±800 ±500 |
|
| RS-0A (2010) | 1W | -55 ~ +155°C | 10.0A | |||
| RS-12 (2512) | 2W | -55 ~ +155°C | 14.1A | |||
Operating Voltage=√(P*R) ; Overload Voltage=2.5* √(P*R)
| Item | Requirement | Test Method | |
| ±1% | ±5% | ||
| Temperature Coefficient of Resistance (T.C.R.) | As Spec | JIS-C-5201-1 4.8 IEC-60115-1 4.8 -55°C~+125°C, 25°C is the reference temperature |
|
| Short Time Overload | ±(1.0%+0.05Ω) | ±(2.0%+0.05Ω) | JIS-C-5201-1 4.13 IEC-60115-1 4.13 RCWV*2.5 or Max. Overload Voltage whichever is lower for 5 seconds, 2 seconds for High Power Series |
| Insulation Resistance | ≥10G | JIS-C-5201-1 4.6 IEC-60115-1 4.6 Max. Overload Voltage for 1 minute |
|
| Endurance | ±(1.0%+0.10Ω) | ±(2.0%+0.10Ω)) | JIS-C-5201-1 4.25 IEC-60115-1 4.25.1 70±2°C, RCWV for 1000 hrs with 1.5 hrs “ON” and 0.5 hr “OFF” |
| Damp Heat with Load | ±(1.0%+0.10Ω) | ±(2.0%+0.10Ω)) | JIS-C-5201-1 4.24 IEC-60115-1 4.24 40±2°C, 90~95% R.H., RCWV for 1000 hrs with 1.5 hrs “ON” and 0.5 hr “OFF” |
| Dry Heat | ±(1.0%+0.05Ω) | ±(1.5%+0.10Ω) | JIS-C-5201-1 4.23 IEC-60115-1 4.23.2 at +155°C for 1000 hrs |
| Bending Strength | ±(1.0%+0.05Ω) | ±(1.0%+0.05Ω) | JIS-C-5201-1 4.33 IEC-60115-1 4.33 Bending once for 5 seconds 2010, 2512 sizes: 2mm Other sizes: 3mm |
| Solderability | 95% min. coverage | JIS-C-5201-1 4.17 IEC-60115-1 4.17 245±5°C for 3 seconds |
|
| Resistance to Soldering Heat | ±(0.5%+0.05Ω) | ±(1.0%+0.05Ω) | JIS-C-5201-1 4.18 IEC-60115-1 4.18 260±5°C for 10 seconds |
| Voltage Proof | No breakdown or flashover | JIS-C-5201-1 4.7 IEC-60115-1 4.7 1.42 times Max. Operating Voltage for 1 minute |
|
| Leaching | Individual leaching area 5% Total leaching area 10% |
JIS-C-5201-1 4.18 IEC-60068-2-58 8.2.1 260±5°C for 30 seconds |
|
| Rapid Change of Temperature | ±(0.5%+0.05Ω) | ±(1.0%+0.05Ω) | JIS-C-5201-1 4.19 IEC-60115-1 4.19 -55°C to +155°C, 5 cycles |
RCWV(Rated Continuous Working Voltage)= √(P*R) or Max. Operating Voltage whichever is lower.
Storage Temperature: 15~28°C; Humidity < 80%RH
Reel Specifications & Packaging Quantity

| Type | Packaging Quantity | Tape Width | Reel Diameter | ΦA (mm) | ΦB (mm) | ΦC (mm) | W (mm) | T (mm) | |
|---|---|---|---|---|---|---|---|---|---|
| RS-02 | RS-02 | 10 K | 8 mm | 7 inch | 178.5±1.5 | 60+1/-0 | 13.0±0.2 | 9.0±0.5 | 12.5±0.5 |
| 20 K | 8 mm | 10 inch | 254±1.0 | 100±0.5 | 13.0±0.2 | 9.0±0.5 | 12.5±0.5 | ||
| 40 K | 8 mm | 13 inch | 330±1.0 | 100±0.5 | 13.0±0.2 | 9.0±0.5 | 12.5±0.5 | ||
| RS-03 | Paper | 5K | 8 mm | 7 inch | 178.5±1.5 | 60+1/-0 | 13.0±0.2 | 9.0±0.5 | 12.5±0.5 |
| RS-05 | 10K | 8 mm | 10 inch | 254±1.5 | 100±0.5 | 13.0±0.2 | 9.5±0.5 | 13.5±0.5 | |
| RS-06 | 20K | 8 mm | 13 inch | 330±1.0 | 100±0.5 | 13.0±0.2 | 9.5±0.5 | 13.5±0.5 | |
| RS-10 | |||||||||
| RS-0A | Embossed | 4K | 12 mm | 7 inch | 178.5±1.5 | 60+1/-0 | 13.0±0.5 | 13.0±0.5 | 15.5±0.5 |
| RS-12 | 8K | 12 mm | 10 inch | 250±1.0 | 62±0.5 | 13.0±0.5 | 12.5±0.5 | 16.5±0.5 | |

| Type | A(mm) | B(mm) | W(mm) | E(mm) | F(mm) | P0(mm) | P1(mm) | P2(mm) | ΦD0(mm) | Tmm) |
|---|---|---|---|---|---|---|---|---|---|---|
| RS-02 | 0.65±0.10 | 1.15±0.10 | 8.0±0.20 | 1.75±0.10 | 3.50±0.05 | 4.00±0.10 | 2.00±0.05 | 2.00±0.05 | 1.50+0.1,-0 | 0.45±0.10 |
| RS-03 | 1.10±0.10 | 1.90±0.10 | 8.0±0.20 | 1.75±0.10 | 3.50±0.05 | 4.00±0.10 | 4.00±0.05 | 2.00±0.05 | 1.50+0.1,-0 | 0.70±0.10 |
| RS-05 | 1.60±0.10 | 2.40±0.20 | 8.0±0.20 | 1.75±0.10 | 3.50±0.05 | 4.00±0.10 | 4.00±0.05 | 2.00±0.05 | 1.50+0.1,-0 | 0.85±0.10 |
| RS-06 | 1.90±0.10 | 3.50±0.20 | 8.0±0.20 | 1.75±0.10 | 3.50±0.05 | 4.00±0.10 | 4.00±0.05 | 2.00±0.05 | 1.50+0.1,-0 | 0.85±0.10 |
| RS-10 | 2.90±0.10 | 3.50±0.20 | 8.0±0.20 | 1.75±0.10 | 3.50±0.05 | 4.00±0.10 | 4.00±0.05 | 2.00±0.05 | 1.50+0.1,-0 | 0.85±0.10 |

| Type | A(mm) | B(mm) | W(mm) | E(mm) | F(mm) | P0(mm) | P1(mm) | P2(mm) | ΦD0(mm) | Tmm) |
|---|---|---|---|---|---|---|---|---|---|---|
| RS-0A | 2.8±0.10 | 5.5±0.10 | 12.0±0.30 | 1.75±0.10 | 5.5±0.05 | 4.00±0.10 | 4.00±0.10 | 2.00±0.05 | 1.50+0.1,-0 | 1.2+0 |
| RS-12 | 3.5±0.10 | 6.7±0.10 | 12.0±0.30 | 1.75±0.10 | 5.5±0.05 | 4.00±0.10 | 4.00±0.10 | 2.00±0.05 | 1.50+0.1,-0 | 1.2+0 |
No Marking for 0402
1%, 5% for 0805/1206/1210/2010/2512: 4 digits marking
Example:
| Resistance | 47mΩ | 75mΩ | 15mΩ | 750mΩ | 820mΩ |
| Marking | R047 | R075 | R015 | R750 | R820 |
5% for 0603: 3 digits marking in E24
1% for 0603: 3 digits marking with under-line in E96 (non-including E24 series)


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