component
SMM02040C1809FB300
Public Made by Adomby adom
Vishay Intertech Chip Resistor - Surface Mount, MELF-0204. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownSMM02040C1809FB300
Vishay Intertech · Chip Resistor - Surface Mount · MELF-0204
SMM02040C1809FB300 from Vishay Intertech, in a MELF-0204. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1 | passive | Terminal 1 of an unpolarised resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| Package | MELF-0204 |
| Category | Resistors |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Resistance tolerance (part-number code F = ±1 %) | -1 | 1 | % | 3 | |||
| Temperature coefficient (part-number code C = ±50 ppm/K) | -50 | 50 | ppm/K | At (20 / -55 / 20) °C and (20 / 125 / 20) °C | 9 | ||
| Operating voltage, Umax (AC RMS/DC) | Umax. | 200 | V | 1 | |||
| Permissible voltage against ambient (insulation) | Uins | 300 | V | 1 min | 1 | ||
| Rated dissipation P70 | P70 | 0.07 | W | Precision operation mode | 2 | ||
| Rated dissipation P70 | P70 | 0.25 | W | Standard operation mode | 2 | ||
| Rated dissipation P70 | P70 | 0.4 | W | Power operation mode | 2 | ||
| Operating temperature range | -10 | 85 | °C | Precision operation mode | 2 | ||
| Operating temperature range | -55 | 125 | °C | Standard operation mode | 2 | ||
| Operating temperature range | -55 | 155 | °C | Power operation mode | 2 | ||
| Permissible film temperature, max | ϑF max. | 85 | °C | Precision operation mode | 2 | ||
| Permissible film temperature, max | ϑF max. | 125 | °C | Standard operation mode | 2 | ||
| Permissible film temperature, max | ϑF max. | 155 | °C | Power operation mode | 2 | ||
| Max resistance change at P70, 1000 h | /ΔR/R/ | 0.05 | % | Precision mode; P70; 10 Ω to 1 MΩ | 2 | ||
| Max resistance change at P70, 8000 h | /ΔR/R/ | 0.1 | % | Precision mode; P70; 10 Ω to 1 MΩ | 2 | ||
| Max resistance change at P70, 225 000 h | /ΔR/R/ | 0.25 | % | Precision mode; P70; 10 Ω to 1 MΩ | 2 | ||
| Max resistance change at P70, 1000 h | /ΔR/R/ | 0.15 | % | Standard mode; P70; 0.22 Ω to 10 MΩ | 2 | ||
| Max resistance change at P70, 8000 h | /ΔR/R/ | 0.3 | % | Standard mode; P70; 0.22 Ω to 10 MΩ | 2 | ||
| Max resistance change at P70, 1000 h | /ΔR/R/ | 0.25 | % | Power mode; P70; 0.22 Ω to 10 MΩ | 2 | ||
| Max resistance change at P70, 8000 h | /ΔR/R/ | 0.5 | % | Power mode; P70; 0.22 Ω to 10 MΩ | 2 | ||
| Endurance 70 °C precision mode, permissible change ±(0.05 % R + 0.005 Ω) (% term only) | ΔR | -0.05 | 0.05 | % | U ≤ Umax.; 1.5 h on, 0.5 h off; 70 °C; 1000 h | 9 | |
| Endurance 70 °C precision mode, permissible change ±(0.1 % R + 0.005 Ω) (% term only) | ΔR | -0.1 | 0.1 | % | U ≤ Umax.; 1.5 h on, 0.5 h off; 70 °C; 8000 h | 9 | |
| Endurance 70 °C standard mode, permissible change ±(0.15 % R) (% term only) | ΔR | -0.15 | 0.15 | % | U ≤ Umax.; 1.5 h on, 0.5 h off; 70 °C; 1000 h | 9 | |
| Endurance 70 °C standard mode, permissible change ±(0.3 % R) (% term only) | ΔR | -0.3 | 0.3 | % | U ≤ Umax.; 1.5 h on, 0.5 h off; 70 °C; 8000 h | 9 | |
| Endurance 70 °C power mode, permissible change ±(0.25 % R + 0.01 Ω) (% term only) | ΔR | -0.25 | 0.25 | % | U ≤ Umax.; 1.5 h on, 0.5 h off; 70 °C; 1000 h | 9 | |
| Endurance 70 °C power mode, permissible change ±(0.5 % R + 0.01 Ω) (% term only) | ΔR | -0.5 | 0.5 | % | U ≤ Umax.; 1.5 h on, 0.5 h off; 70 °C; 8000 h | 9 | |
| Endurance at upper category temperature, permissible change ±(0.25 % R) | ΔR | -0.25 | 0.25 | % | 125 °C; 1000 h | 9 | |
| Endurance at upper category temperature, permissible change ±(0.5 % R + 0.01 Ω) (% term only) | ΔR | -0.5 | 0.5 | % | 155 °C; 1000 h | 9 | |
| Damp heat, steady state, permissible change ±(0.25 % R) | ΔR | -0.25 | 0.25 | % | (40 ± 2) °C; 56 days; (93 ± 3) % RH | 9 | |
| Damp heat, steady state accelerated, permissible change ±(2 % R) | ΔR | -2 | 2 | % | (85 ± 2) °C; (85 ± 5) % RH; U ≤ 100 V and 0.3 x Umax. (smaller valid); 1000 h | 9 | |
| Cold, permissible change ±(0.1 % R + 0.01 Ω) (% term only) | ΔR | -0.1 | 0.1 | % | -55 °C; 2000 h | 9 | |
| Rapid change of temperature, permissible change ±(0.25 % R) | ΔR | -0.25 | 0.25 | % | LCT = -55 °C; UCT = 125 °C; 1000 cycles | 9 | |
| Rapid change of temperature, permissible change ±(0.5 % R + 0.01 Ω) (% term only) | ΔR | -0.5 | 0.5 | % | LCT = -55 °C; UCT = 155 °C; 1000 cycles | 9 | |
| Short time overload, standard mode, permissible change ±(0.1 % R) | ΔR | -0.1 | 0.1 | % | U = 2.5 x Umax. (≤ 2 x Umax.); 5 s | 9 | |
| Short time overload, power mode, permissible change ±(0.1 % R) | ΔR | -0.1 | 0.1 | % | Power operation mode; 5 s | 9 | |
| Electrostatic discharge HBM, permissible change ±(0.5 % R + 0.05 Ω) (% term only) | ΔR | -0.5 | 0.5 | % | IEC 61340-3-1; 3 pos. + 3 neg. discharges; SMM 0204: 2 kV | 10 | |
| Vibration, permissible change ±(0.1 % R) | ΔR | -0.1 | 0.1 | % | 10 Hz to 2000 Hz; 7.5 h | 9 | |
| Resistance to soldering heat, solder bath, permissible change ±(0.05 % R + 0.01 Ω) (% term only) | ΔR | -0.05 | 0.05 | % | Solder bath (260 ± 5) °C; (10 ± 1) s | 10 | |
| Resistance to soldering heat, reflow, permissible change ±(0.02 % R + 0.01 Ω) (% term only) | ΔR | -0.02 | 0.02 | % | Reflow (260 ± 5) °C; (10 ± 1) s | 10 | |
| Periodic electric overload, standard mode, permissible change ±(0.15 % R + 0.01 Ω) (% term only) | ΔR | -0.15 | 0.15 | % | U ≤ 2 x Umax.; 0.1 s on, 2.5 s off; 1000 cycles | 10 | |
| Periodic electric overload, power mode, permissible change ±(0.3 % R + 0.01 Ω) (% term only) | ΔR | -0.3 | 0.3 | % | U ≤ 2 x Umax.; 0.1 s on, 2.5 s off; 1000 cycles | 10 | |
| Single pulse high voltage overload, standard mode, permissible change ±(0.15 % R + 0.01 Ω) (% term only) | ΔR | -0.15 | 0.15 | % | U = 10 x Umax. (≤ 2 x Umax.); 10 pulses 10 µs/700 µs | 10 | |
| Single pulse high voltage overload, power mode, permissible change ±(0.15 % R + 0.01 Ω) (% term only) | ΔR | -0.15 | 0.15 | % | U = 10 x Umax. (≤ 2 x Umax.); 10 pulses 10 µs/700 µs | 10 | |
| Substrate bending, permissible change ±(0.05 % + 0.005 Ω) (% term only) | ΔR | -0.05 | 0.05 | % | Depth 2 mm, 3 times | 11 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | The resistors are completely lead (Pb)-free, the pure matte tin plating provides compatibility with lead (Pb)-free and | 4 |
CAD (KiCad official)
- Symbol:
SMM02040C1809FB300 - Footprint:
Resistor_SMD:R_MiniMELF_MMA-0204 - 3D model: MELF-0204 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (13 pp, sha256
bcae28612f231655, retrieved 2026-10-16, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).