component
1206T3A63V
Public Made by Adomby adom
Walter Elec Disposable Fuses, 1206. 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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README
markdown1206T3A63V
Walter Elec · Disposable Fuses · 1206
1206T3A63V from Walter Elec, in a 1206. 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 fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Walter Elec |
| Package | 1206 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Pre-arcing time at 1.0In | 4 | hrs | I=1.0In; 25℃; rated current 1A to 10A | 4 | |||
| Pre-arcing time at 2.0In | 1 | 120 | sec | I=2.0In; 25℃; rated current 1A to 10A | 4 | ||
| Pre-arcing time at 3.0In | 0.1 | 3 | sec | I=3.0In; 25℃; rated current 1A to 10A | 4 | ||
| Pre-arcing time at 8.0In | 2 | 50 | ms | I=8.0In; 25℃; rated current 1A to 10A | 4 | ||
| Pre-arcing time at 10.0In | 0.2 | 20 | ms | I=10.0In; 25℃; rated current 1A to 10A | 4 | ||
| Resistance change after soldering heat | ΔR | -15 | 15 | % | T=250±5℃, t=30±5 s; MIL-STD-202 Method 210F Condition K | 6 | |
| Resistance change after thermal shock | ΔR | -10 | 10 | % | -65℃ 15min ~ 25℃ 5min ~ +125℃ 15min; 100 cycles; MIL-STD-202 Method 107G Condition B-3 | 6 | |
| Resistance change after mechanical shock | ΔR | -10 | 10 | % | a=100G for 11ms, 5 pulses; MIL-STD-202 Method 213B | 6 | |
| Solder coverage | 95 | % | T=245±5℃, t=5s±0.5s; MIL-STD-202 Method 208 | 6 | |||
| Storage temperature | 10 | 40 | ℃ | Airtight, relative humidity ≤75%, storage up to 2 years | 7 | ||
| Operating temperature | -55 | 150 | ℃ | 7 | |||
| Soldering time above 220℃ | 60 | sec | Soldering phase, min. 220℃ | 8 | |||
| Time at maximum reflow temperature | 10 | sec | Maximum temperature 260±5℃ | 8 | |||
| Nominal resistance | 0.025 | Ω | Measured with <10% rated current; 3A rating (MPN 1206T3A63V) | 3 | |||
| Nominal melting I2t | 2.332 | A2s | Measured at 10 ms opening time; 3A rating | 3 | |||
| Rated current | 3 | A | 3A rating (marking T1) | 3 | |||
| Rated voltage | 63 | VDC | 63V rating | 3 |
CAD (KiCad official)
- Symbol:
1206T3A63V - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
1206t3a63v-etched.step/1206t3a63v-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1206t3a63v.step/1206t3a63v.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Walter Elec datasheet (12 pp, sha256
e88573310eecb119, retrieved 2026-10-18, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).