component
TDM3458
Public Made by Adomby adom
Techcode Semicon MOSFETs, DFN-8(5x6). Pinout cross-checked by two models against the datasheet, 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
markdownTDM3458
Techcode Semicon · MOSFETs · DFN-8(5x6)
TDM3458 from Techcode Semicon, in a DFN-8(5x6). 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 | S | passive | Source of the N-channel MOSFET, tied to pins 2 and 3. |
| 2 | S | passive | Source of the N-channel MOSFET, tied to pins 1 and 3. |
| 3 | S | passive | Source of the N-channel MOSFET, tied to pins 1 and 2. |
| 4 | G | input | Gate of the N-channel MOSFET with ESD protection; VGS rated +/-20 V maximum. |
| 5 | D | passive | Drain of the N-channel MOSFET, tied to pins 6, 7 and 8; VDS rated 30 V maximum. |
| 6 | D | passive | Drain of the N-channel MOSFET, tied to pins 5, 7 and 8; VDS rated 30 V maximum. |
| 7 | D | passive | Drain of the N-channel MOSFET, tied to pins 5, 6 and 8; VDS rated 30 V maximum. |
| 8 | D | passive | Drain of the N-channel MOSFET, tied to pins 5, 6 and 7; VDS rated 30 V maximum. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Techcode Semicon |
| Package | DFN-8(5x6) |
| Category | Transistors/Thyristors |
| Pins | 9 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDS | 30 | V | 1 | |||
| Gate-Source Voltage | VGS | 20 | V | Printed as +20 only | 1 | ||
| Drain Current, continuous | ID | 60 | A | TC=25℃ | 1 | ||
| Drain Current, continuous | ID | 38 | A | TC=100℃ | 1 | ||
| Drain Current, current-pulsed | IDM | 120 | A | TC=25℃, Note 1 | 1 | ||
| Maximum Power Dissipation | PD | 29.8 | W | TC=25℃ | 1 | ||
| Maximum Power Dissipation | PD | 11.9 | W | TC=100℃ | 1 | ||
| Drain Current, continuous (Note 2) | ID | 17.4 | A | TA=25℃ | 1 | ||
| Drain Current, continuous (Note 2) | ID | 13.9 | A | TA=70℃ | 1 | ||
| Maximum Power Dissipation (Note 2) | PD | 2.5 | W | TA=25℃ | 1 | ||
| Maximum Power Dissipation (Note 2) | PD | 1.6 | W | TA=70℃ | 1 | ||
| Maximum Operating Junction Temperature | TJ | 150 | ℃ | 1 | |||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal Resistance, Junction-to-Ambient (Note 2) | RθJA | 20 | ℃/W | t≤10s | 2 | ||
| Thermal Resistance, Junction-to-Ambient (Note 2) | RθJA | 50 | ℃/W | Steady State | 2 | ||
| Thermal Resistance, Junction-to-Case | RθJC | 4.2 | ℃/W | Steady State | 2 | ||
| Drain-Source Breakdown Voltage | BVDSS | 30 | V | VGS=0V ID=250μA | 2 | ||
| Zero Gate Voltage Drain Current | IDSS | 1 | μA | VDS=24V,VGS=0V | 2 | ||
| Gate-Body Leakage Current | IGSS | -100 | 100 | nA | VGS=±20V,VDS=0V | 2 | |
| Gate Threshold Voltage | VGS(th) | 1.4 | 1.7 | 2.5 | V | VDS=VGS,ID=250μA | 2 |
| Drain-Source On-State Resistance | RDS(ON) | 6.7 | 8.7 | mΩ | VGS=4.5V, ID=10A | 2 | |
| Drain-Source On-State Resistance | RDS(ON) | 4.5 | 5.5 | mΩ | VGS=10V, ID=15A | 2 | |
| Gate Resistance | RG | 1.6 | 2.5 | Ω | VDS=0V,VGS=0V, F=1.0MHz | 2 | |
| Input Capacitance | Ciss | 780 | 1010 | PF | VDS=15V,VGS=0V, F=1.0MHz | 2 | |
| Diode Forward Voltage (Note 3) | VSD | 0.81 | 1.1 | V | VGS=0V,IS=20A | 2 |
CAD (KiCad official)
- Symbol:
TDM3458 - Footprint:
Package_DFN_QFN:DFN-S-8-1EP_6x5mm_P1.27mm - 3D model: DFN-8(5x6) (KiCad packages3D, STEP)
- 3D model files:
tdm3458-etched.step/tdm3458-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tdm3458.step/tdm3458.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Techcode Semicon datasheet (8 pp, sha256
4fb15b77be35fe82, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).