SMM02040D1000BB300
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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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README
markdownSMM02040D1000BB300
Vishay Intertech · Chip Resistor - Surface Mount · MELF-0204
SMM02040D1000BB300 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 (code B) | -0.1 | 0.1 | % | Tolerance code B = ±0.1 % | 3 | ||
| Temperature coefficient (code D) | -25 | 25 | ppm/K | Code D = ±25 ppm/K; TCR test at (20/-55/20) °C and (20/125/20) °C | 2 | ||
| Rated dissipation | P70 | 0.4 | W | P70, power operation mode | 1 | ||
| Operating voltage | Umax | 200 | V | AC RMS/DC | 1 | ||
| Permissible voltage against ambient (insulation) | Uins | 300 | V | 1 min | 1 | ||
| Permissible film temperature | ϑF | 155 | °C | Power operation mode | 2 | ||
| Operating temperature range | -55 | 155 | °C | Power operation mode (0.4 W) | 2 | ||
| Maximum resistance change after 1000 h | /ΔR/R/ | 0.25 | % | P70, power operation mode, 1000 h, 0.22 Ω to 10 MΩ | 2 | ||
| Maximum resistance change after 8000 h | /ΔR/R/ | 0.5 | % | P70, power operation mode, 8000 h, 0.22 Ω to 10 MΩ | 2 | ||
| Nominal resistance (decoded from MPN) | R | 100 | Ω | Part-number value 100 with multiplier 0 | 3 |
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:
SMM02040D1000BB300 - 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).