component
BAT74S
Public Made by Adomby adom
Nexperia Schottky Diodes, SOT-363. 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
markdownBAT74S
Nexperia · Schottky Diodes · SOT-363
BAT74S from Nexperia, in a SOT-363. 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 | A1 | passive | Anode of diode 1; per-diode limits are VR 30 V and IF 200 mA (Table 5). |
| 2 | n.c. | unconnected | Not connected. |
| 3 | K2 | passive | Cathode of diode 2; per-diode limits are VR 30 V and IF 200 mA (Table 5). |
| 4 | A2 | passive | Anode of diode 2; per-diode limits are VR 30 V and IF 200 mA (Table 5). |
| 5 | n.c. | unconnected | Not connected. |
| 6 | K1 | passive | Cathode of diode 1; per-diode limits are VR 30 V and IF 200 mA (Table 5). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOT-363 |
| Category | Diodes |
| Pins | 6 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reverse voltage (per diode) | VR | 30 | V | 3 | |||
| Forward current (per diode) | IF | 200 | mA | 3 | |||
| Repetitive peak forward current (per diode) | IFRM | 300 | mA | tp ≤ 1 s; δ ≤ 0.5 | 3 | ||
| Non-repetitive peak forward current (per diode) | IFSM | 600 | mA | tp < 10 ms; Tj(init) = 25 °C | 3 | ||
| Total power dissipation | Ptot | 240 | mW | Tamb ≤ 25 °C | 3 | ||
| Junction temperature | Tj | 125 | °C | 3 | |||
| Ambient temperature | Tamb | -55 | 125 | °C | 3 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| Reverse voltage, series connection (per device) | VR | 60 | V | series connection | 3 | ||
| Reverse voltage (per device; row label not printed in extract) | VR | 30 | V | 3 | |||
| Forward current (per single diode, per device) | IF | 110 | mA | per single diode [1] | 3 | ||
| Repetitive peak forward current (per device) | IFRM | 200 | mA | tp ≤ 1 s; δ ≤ 0.5 | 3 | ||
| Thermal resistance from junction to ambient (per diode) | Rth(j-a) | 416 | K/W | in free air; FR4 PCB, single-sided copper, standard footprint [1] | 4 | ||
| Forward voltage | VF | 240 | mV | IF = 0.1 mA; pulsed; tp = 300 µs; δ = 0.02; Tamb = 25 °C | 4 | ||
| Forward voltage | VF | 320 | mV | IF = 1 mA; pulsed; tp = 300 µs; δ = 0.02; Tamb = 25 °C | 4 | ||
| Forward voltage | VF | 400 | mV | IF = 10 mA; pulsed; tp = 300 µs; δ = 0.02; Tamb = 25 °C | 4 | ||
| Forward voltage | VF | 500 | mV | IF = 30 mA; pulsed; tp = 300 µs; δ = 0.02; Tamb = 25 °C | 4 | ||
| Forward voltage | VF | 800 | mV | IF = 100 mA; pulsed; tp = 300 µs; δ = 0.02; Tamb = 25 °C | 4 | ||
| Reverse current | IR | 2 | µA | VR = 25 V; pulsed; tp = 300 µs; δ = 0.02; Tamb = 25 °C | 4 | ||
| Diode capacitance | Cd | 10 | pF | VR = 1 V; f = 1 MHz; Tamb = 25 °C | 4 | ||
| Reverse recovery time | trr | 5 | ns | IF = 10 mA; IR = 10 mA; IR(meas) = 1 mA; RL = 100 Ω; Tamb = 25 °C | 4 |
CAD (KiCad official)
- Symbol:
BAT74S - Footprint:
Package_TO_SOT_SMD:SOT-363_SC-70-6 - 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files:
bat74s-etched.step/bat74s-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bat74s.step/bat74s.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (9 pp, sha256
04c8dd974cce53d0, retrieved 2026-10-17, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).