Product Overview
The GiantOhm GR Series Low Value General Purpose Low Resistance Thick Film Chip Resistors offer high reliability and a low resistance value down to 10m. These resistors are RoHS and Halogen-free compliant, compatible with reflow and wave soldering, and feature MSL Class 1. They are suitable for a wide range of applications including home appliances, computers, notebooks, workstations, tablets, peripherals, instruments, and meters.
Product Attributes
- Brand: GiantOhm
- Series: GR Series
- Compliance: RoHS and Halogen-free
- Moisture Sensitivity Level (MSL): MSL 1
- Soldering Compatibility: Reflow and wave soldering
Technical Specifications
| Series / Size | Rated Power | Max. Rated Current (MRC) | Max. Overload Current (MOC) | Dielectric Withstanding Voltage (DWV) | Tolerance | Resistance Value Range |
| GR0402 | 1/16W | 0.79A | 1.98A | 100V | 1%/5% | 100m R |
| GR0603 | 1/10W | 3.16A | 7.90A | 300V | 1%/5% | 10m R |
| GR0805 | 1/8W | 1.10A | 2.79A | 500V | 1%/5% | 100m R |
| GR0805 (Low Value) | 1/4W | 5.00A | 12.50A | 500V | 1%/5% | 10m R |
| GR1206 | 1/4W | 1.58A | 3.95A | 500V | 1%/5% | 100m R |
| GR1206 (Low Value) | 1/3W | 5.77A | 14.43A | 500V | 1%/5% | 10m R |
| GR1210 | 1/2W | 7.07A | 17.67A | 500V | 1%/5% | 100m R |
| GR1812 | 3/4W | 8.66A | 21.65A | 500V | 1%/5% | 100m R |
| GR2010 | 3/4W | 8.66A | 21.65A | 500V | 1%/5% | 100m R |
| GR2512 | 1W | 10.00A | 25.00A | 500V | 1%/5% | 100m R |
Dimensions
| Series | L (mm) | W (mm) | H (mm) | A (mm) | B (mm) |
| 0402 | 1.000.10 | 0.500.05 | 0.350.05 | 0.200.10 | 0.250.10 |
| 0603 | 1.600.10 | 0.800.10 | 0.450.10 | 0.300.20 | 0.300.20 |
| 0805 | 2.000.15 | 1.250.15 | 0.550.10 | 0.400.20 | 0.400.20 |
| 1206 | 3.100.15 | 1.550.15 | 0.550.10 | 0.450.20 | 0.450.20 |
| 1210 | 3.100.10 | 2.600.20 | 0.550.10 | 0.500.25 | 0.500.20 |
| 1812 | 4.500.20 | 3.200.20 | 0.550.10 | 0.500.20 | 0.500.20 |
| 2010 | 5.000.10 | 2.500.20 | 0.550.10 | 0.600.25 | 0.500.20 |
| 2512 | 6.350.10 | 3.200.20 | 0.550.10 | 0.600.25 | 0.500.20 |
Reliability Test Results
| Item | Test Method | Acceptable Criterion |
| Temperature Coefficient of Resistance (T.C.R.) | IEC 60115-1 6.2 | Varies by size and resistance value (e.g., 1000PPM/ for GR0402, 100mR1000m; 800PPM/ for GR0603, 50mR1000m) |
| Insulation Resistance | IEC 60115-1 12.1.3.5 | 109 |
| Dielectric Withstanding Voltage | IEC 60115-1 12.2.4 | No current or arc breakdown by 10uA |
| Short Time Overload | IEC 60115-1 8.1.4.2 | 1% series: R/R=(1.0%+0.05); 5% series: R/R=(2.0%+0.05) |
| Intermittent Overload | IEC 60115-1 8.4.4 | R/R=(5.0%+0.05) |
| Resistance to Solvent | IEC 60115-1 11.3.2 method1 | No obvious damage, peeling, swelling phenomenon |
| Solderability | J-STD-002 & IEC 60115-1 11.1.4.3 | Solder coverage over 95%; No more than 5% of partially exposed substrate, non-wetted plating or ceramic substrate part. |
| Resistance to Soldering Heat | IEC 60115-1 11.2.4.3 & MIL-STD-202 Method 210 | R/R=(1.0%+0.05) |
| Thermal Shock | IEC 60115-1 10.1.4 | R/R=(1.0%+0.05) |
| Solder Joint Endurance Test | IEC 60115-1 9.8.4 | R/R=(1.0%+0.05) |
| Resistance to Dry Heat | IEC 60115-1 7.3 | 1% series: R/R=(1.0%+0.05); 5% series: R/R=(3.0%+0.05) |
| Loading Life in Moisture | IEC 60115-1 10.4 | 1% series: R/R=(1.0%+0.05); 5% series: R/R=(3.0%+0.05) |
| Load Life | IEC 60115-1 7.1 | 1% series: R/R=(1.0%+0.05); 5% series: R/R=(3.0%+0.05) |
| Low temperature load test | IEC 60115-1 10.2.4 | 1% series: R/R=(1.0%+0.05); 5% series: R/R=(2.0%+0.05) |
| Shear force test | IEC 60115-1 9.7 | Without visible damage. |
Soldering Pad Dimensions
| Type | A (mm) | B (mm) | C (mm) |
| 0402 | 0.5 | 1.5 | 0.6 |
| 0603 | 0.8 | 2.1 | 0.9 |
| 0805 | 1.2 | 3.0 | 1.3 |
| 1206 | 2.2 | 4.2 | 1.6 |
| 1210 | 2.2 | 4.2 | 2.8 |
| 1812 | 3.1 | 5.9 | 3.0 |
| 2010 | 3.5 | 6.1 | 2.8 |
| 2512 | 3.8 | 8.0 | 3.5 |
Taping Dimensions
| Type or Size | A0.2 (mm) | B0.2 (mm) | C0.05 (mm) | D0 +0.1 (mm) | E0.1 (mm) | F0.05 (mm) | G0.1 (mm) | W0.2 (mm) | T0.1 (mm) |
| Carrier Taping A |
| 0402 | 0.67 | 1.17 | 2.0 | 1.5 | 1.75 | 3.5 | 4.0 | 8.0 | 0.47 |
| Carrier Taping B |
| 0603 | 1.10 | 1.90 | 2.0 | 1.5 | 1.75 | 3.5 | 4.0 | 8.0 | 0.67 |
| 0805 | 1.65 | 2.40 | 2.0 | 1.5 | 1.75 | 3.5 | 4.0 | 8.0 | 0.81 |
| 1206 | 1.90 | 3.45 | 2.0 | 1.5 | 1.75 | 3.5 | 4.0 | 8.0 | 0.81 |
| 1210 | 2.85 | 3.50 | 2.0 | 1.5 | 1.75 | 3.5 | 4.0 | 8.0 | 0.81 |
| Embossed Taping |
| 2010 | 2.90 | 5.60 | 2.00 | 1.50 | 1.50 | 1.75 | 5.50 | 4.00 | 12.00 | 1.00 |
| 1812 | 3.50 | 4.80 | 2.00 | 1.50 | 1.50 | 1.75 | 5.50 | 4.00 | 12.00 | 1.00 |
| 2512 | 3.50 | 6.70 | 2.00 | 1.50 | 1.50 | 1.75 | 5.50 | 4.00 | 12.00 | 1.00 |
Reel Dimensions
| Type | SPQ (PCS/Rl.) | A0.5 (mm) | B0.5 (mm) | C0.5 (mm) | D1 (mm) | M2 (mm) | W1 (mm) |
| 0402 | 10,000 | 2.0 | 13.0 | 21.0 | 60.0 | 178.0 | 10.0 |
| 0603 | 5,000 | 2.0 | 13.0 | 21.0 | 60.0 | 178.0 | 10.0 |
| 0805 | 5,000 | 2.0 | 13.0 | 21.0 | 60.0 | 178.0 | 10.0 |
| 1206 | 5,000 | 2.0 | 13.0 | 21.0 | 60.0 | 178.0 | 10.0 |
| 1210 | 5,000 | 2.0 | 13.0 | 21.0 | 60.0 | 178.0 | 10.0 |
| 1812 | 4,000 | 2.0 | 13.0 | 21.0 | 60.0 | 178.0 | 13.8 |
| 2010 | 4,000 | 2.0 | 13.0 | 21.0 | 60.0 | 178.0 | 13.8 |
| 2512 | 4,000 | 2.0 | 13.0 | 21.0 | 60.0 | 178.0 | 13.8 |
Storage and Handling Conditions
- Temperature: 255
- Humidity: 6015%RH
- Storage Life: 2 years (FIFO)
- Handling: Hold box correct orientation. Prohibited to fall or squeeze the box.
Legal Disclaimer
NingBo Giantohm Micro Electronics Technology Co., Ltd. (Giantohm) retains the right to modify product information. Product information is subject to the published version on GiantOhm official website (www.giantohm.com). Giantohm shall not be liable for misuse, damages from improper use, or implied warranties. Statements regarding product suitability for applications are based on GiantOhm knowledge of typical requirements and are not binding. Users must validate product suitability for their specific application. Giantohm products are not designed for medical, life-saving, or life-sustaining applications unless expressly indicated. Buyer assumes all risks and liabilities when using products in combination with other materials or processes. Updated Terms supersede previous versions and are published on the official website.
