0402WGJ0101TCE - 100Ohm 1/16W 5% 0402 Thick Film Resistor | UNI-ROYAL
MPN: 0402WGJ0101TCE β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.005 | $0.01 |
| 10 | $0.0035 | $0.04 |
| 100 | $0.0015 | $0.15 |
| 500 | $0.0009 | $0.45 |
| 1,000 | $0.0006 | $0.60 |
| 10,000 | $0.0004 | $4.00 |
Drop-in alternatives for 0402WGJ0101TCE β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
0402WGF2001TCE
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0402WGJ0101TCE Maximum Ratings & Electrical Characteristics
| Resistance | 100 ohm |
| Tolerance | +-5% |
| Power Rating | 1/16 W (62.5 mW) |
| Composition | Thick Film |
| Temperature Coefficient | +-100 ppm/C |
| Maximum Overload Voltage | 50 V |
| Operating Temperature | -55C to +155C |
| Package / Case | 0402 (1005 Metric) |
| Mounting Type | Surface Mount |
| Terminations | Sn plating over Ni barrier |
| Features | Automotive-grade temperature range, general purpose |
| Packaging | Tape & Reel (T/R), 10000 pcs |
| RoHS Status | RoHS compliant (lead-free) |
| Dimensions | 1.0 mm x 0.5 mm (L x W) |
| Series | WGJ (RMC) |
0402WGJ0101TCE 0402 (1005 metric) Pin Configuration Guide
Complete pinout information for 0402WGJ0101TCE (0402 (1005 metric) package). Learn about pin numbering, functions, and connection diagrams. Refer to the manufacturer datasheet for exact footprint and soldering guidelines. Common applications include circuit design and PCB assembly.
No detailed pinout data available for 0402WGJ0101TCE.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
0402WGJ0101TCE is suitable for 6 applications: Digital I/O Pull-Up and Pull-Down Networks, LED Current Limiting in Portable Devices, RC Filtering and Timing Circuits, IoT and Wearable Device General-Purpose Passives, Voltage Dividers in Battery-Powered Systems, Industrial Control Board Passive Networks.
Digital I/O Pull-Up and Pull-Down Networks
The 0402WGJ0101TCE's 100 ohm value and 5 percent tolerance make it a workhorse for bus termination and series-damping resistors on digital I/O lines such as SPI, UART, and reset lines in microcontroller systems. Its 62.5 mW rating comfortably handles typical logic-level currents (at 3.3 V logic, a 100 ohm series element sees about 33 mA only during fault conditions, dissipating well under the rated limit). The 0402 footprint permits placement directly at connector or IC pins, minimizing stub length for signal integrity at moderate edge rates. Because the part is a commodity available from multiple distributors, procurement can standardize on a single BOM line across product families. In reflow assembly, the 1.0 x 0.5 mm body with Sn-plated terminations produces reliable joints on standard SAC305 profiles without special stencil considerations.
Recommended
LED Current Limiting in Portable Devices
At 100 ohms, the 0402WGJ0101TCE limits LED current to roughly 10-20 mA from a 3.3 V or 5 V rail, dissipating only 10-40 mW - safely within its 62.5 mW rating at ambient temperatures below 70C. This makes it ideal for indicator LEDs, backlight strings, and status LEDs in wearables, handheld meters, and IoT sensor nodes where board area is scarce. The compact 1.0 x 0.5 mm 0402 package allows the resistor to be placed on the opposite side of the board or tucked between LED pads, increasing layout density. According to the UNI-ROYAL datasheet, power derates linearly above 70C ambient, so designs targeting elevated enclosures (for example, automotive cabin electronics reaching 85C) should budget about 50 percent derating, or use two resistors in series to split dissipation across two thermal nodes.
Recommended
RC Filtering and Timing Circuits
The 0402WGJ0101TCE pairs with ceramic capacitors to form RC low-pass filters, snubbers, and reset timing networks in analog front ends and power supervision circuits. With a 1 uF capacitor, 100 ohms yields a 1.59 kHz corner frequency; with 100 nF, 15.9 kHz - values commonly used for ADC input anti-aliasing and supply noise filtering. The +-5 percent tolerance introduces only about 0.05 dB of passband variation in typical filters, and the +-100 ppm/C temperature coefficient keeps the corner frequency drift below 0.01 percent per degree C, negligible versus the capacitor's own tolerance. The thick film element contributes negligible inductance (sub-nH parasitics) at the frequencies where 0402 RC filters operate, making the combination predictable. Place the resistor and capacitor on the same local ground pour to keep loop area minimal.
Recommended
IoT and Wearable Device General-Purpose Passives
Battery-powered IoT nodes and wearables benefit from the 0402WGJ0101TCE's minimal footprint and near-zero cost in volume: at roughly $0.0004 per piece in reel quantity as of 2026-09-14, a design using dozens of these resistors adds negligible BOM cost while the 1.0 x 0.5 mm body supports the dense, two-sided layouts typical of smart badges, sensor tags, and BLE modules. The -55C to +155C operating range covers outdoor and industrial gateway environments without derating concerns at ordinary ambient temperatures. Typical roles include battery divider sensing, gate pulldowns on load switches, I2C bus series resistors, and default-strap resistors. Because the WGJ series is a high-volume commodity stocked by LCSC, JLCPCB, Mouser, and TME, small startup runs and mass production can use the identical MPN, avoiding requalification between prototype and production builds.
Recommended
Voltage Dividers in Battery-Powered Systems
In battery supervisory circuits, the 0402WGJ0101TCE serves as the lower divider leg feeding an ADC or comparator input from the battery node. At 100 ohms in the lower leg with higher-value upper legs, divider current draw stays in the microamp range, preserving battery life in always-on devices. The +-100 ppm/C TCR ensures the divider ratio stays stable across the -20C to +60C typical battery operating envelope, shifting by well under 0.1 percent; the +-5 percent tolerance dominates accuracy and can be calibrated in firmware where needed. Place the divider close to the ADC pin with a small filter capacitor to reject source impedance noise. Because the 0402 thermal mass is tiny, self-heating errors are negligible at divider-level currents, keeping measurement repeatability high even in compact wearable form factors.
Recommended
Industrial Control Board Passive Networks
Industrial PLC I/O cards and sensor interface boards operate over wide temperature ranges, and the 0402WGJ0101TCE's -55C to +155C rating plus 50 V overload capability align well with 24 V industrial logic scaled through dividers and conditioning networks. In gate-drive and status-signal conditioning roles, the 62.5 mW rating handles typical continuous currents of a few tens of milliamperes with margin. The thick film construction on alumina substrate exhibits stable long-term drift, supporting multi-year service intervals common in industrial equipment. In reflow assembly, the 0402 size withstands standard cleaning and conformal coating processes. For boards subject to vibration, the chip's low mass and short body reduce solder-joint stress compared to larger packages, improving reliability under IEC-class vibration profiles used in factory automation environments.
Recommended
Recommended Products Summary
Engineering reference data for 0402WGJ0101TCE β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 0402WGF2001TCE | RC0402JR-07100RL | ERJ-2GEJ101X | CRCW0402100RJNED |
|---|---|---|---|---|---|
| Package | 0402 (1005 Metric) | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same |
| Brand | UNI-ROYAL (Royal Ohm) | UNI-ROYAL (Royal Ohm) | YAGEO | Panasonic | Vishay Intertechnology |
| Resistance | 100 ohm | 2 kohm | 100 ohm | 100 ohm | 100 ohm |
| Tolerance | +-5% | +-1% | +-5% | +-5% | +-5% |
| Power Rating | 1/16 W (62.5 mW) | 1/16 W (62.5 mW) | 1/16 W (62.5 mW) | 1/10 W (100 mW) | 1/16 W (62.5 mW) |
| Operating Temperature | -55C to +155C | -55C to +155C | -55C to +155C | -55C to +155C | -55C to +155C |
| Max Overload Voltage | 50 V | 50 V | 50 V | 50 V | 50 V |
| AEC-Q200 Qualified | [DATA_NEEDED] | [DATA_NEEDED] | Yes (automotive grade) | Yes | Yes |
| Unit Price (volume) | $0.0004 (LCSC, as of 2026-09-14) | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Lowest cost at volume in Asia-sourced supply chains (vs RC0402JR-07100RL)
- Wider symmetric TCR specification (vs RC0402JR-07100RL)
- Trade-off: automotive qualification (vs ERJ-2GEJ101X)
Design Notes
The 0402WGJ0101TCE is rated 62.5 mW at 70C ambient with linear derating to zero at +155C per the UNI-ROYAL datasheet. Estimated: at 100 ohms, the maximum continuous voltage is sqrt(0.0625 W x 100 ohm) = 2.5 V; at 40 mA continuous the part dissipates 160 mW, exceeding the rating by 2.6x - use two resistors in series or upgrade to 0603 (1/10 W). Always compute dissipation at worst-case maximum rail voltage, not nominal, especially on unregulated battery rails.
Use the standard IPC-7351 0402 land pattern (approximately 0.6 mm pad x 0.55 mm with 0.5 mm spacing between pads) for the 1.0 x 0.5 mm body. For high-volume assembly, ensure stencil apertures are about 80-90% of pad area to avoid mid-chip bead and tombstoning; symmetric pad geometry and balanced thermal relief on both ends are the primary tombstone countermeasures during reflow.
Do not substitute this +-5% WGJ part where a precision ratio matters (for example, ADC gain networks) - 5 percent on 100 ohms is +-5 ohms, which can dominate a divider's accuracy budget; use the same-brand 0402WGF 1 percent series instead. Also note that unlike 1 percent parts, the WGJ series has no published tolerance-matching between units, so series/parallel combinations do not improve accuracy predictably.
Compliance Information
Listed as ROHS by LCSC and JLCPCB product pages. REACH, halogen-free, and conflict minerals status not stated in provided data.
