component

1206T3A63V

Public Made by Adom

by 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.

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1206T3A63V

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1206t3a63v.step / 1206t3a63v.glb are 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, primary two-terminal convention (convention), consensus off (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).

Datasheet PDF