component
HEF4104BT
Public Made by Adomby adom
Nexperia Translators, Level Shifters, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
HEF4104BT
Nexperia · Translators, Level Shifters · SOIC-16
HEF4104BT from Nexperia, in a SOIC-16. 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 | VDD(B) | power_in | Supply voltage for port B; must be greater than or equal to VDD(A), with 15 V as the recommended maximum and -0.5 V to +18 V as the absolute limit. |
| 2 | ~B0 | tri_state | Complementary data output B0, the inverse of data output B0; it goes to high-impedance OFF-state when OE is LOW. |
| 3 | B0 | tri_state | Data output B0 follows data input A0 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW. |
| 4 | A0 | input | Data input A0 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A). |
| 5 | A1 | input | Data input A1 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A). |
| 6 | B1 | tri_state | Data output B1 follows data input A1 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW. |
| 7 | ~B1 | tri_state | Complementary data output B1, the inverse of data output B1; it goes to high-impedance OFF-state when OE is LOW. |
| 8 | VSS | power_in | Common negative supply voltage, 0 V (ground) reference for all voltages in the device. |
| 9 | ~B2 | tri_state | Complementary data output B2, the inverse of data output B2; it goes to high-impedance OFF-state when OE is LOW. |
| 10 | B2 | tri_state | Data output B2 follows data input A2 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW. |
| 11 | A2 | input | Data input A2 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A). |
| 12 | A3 | input | Data input A3 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A). |
| 13 | B3 | tri_state | Data output B3 follows data input A3 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW. |
| 14 | ~B3 | tri_state | Complementary data output B3, the inverse of data output B3; it goes to high-impedance OFF-state when OE is LOW. |
| 15 | OE | input | Output enable input; HIGH passes the An inputs to the outputs, while LOW forces all Bn and Bn outputs into the high-impedance OFF-state. |
| 16 | VDD(A) | power_in | Supply voltage for port A; must be at least 3 V and less than or equal to VDD(B), with -0.5 V to +18 V as the absolute limit. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOIC-16 |
| Category | Logic |
| Pins | 16 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| supply voltage A | VDD(A) | -0.5 | 18 | V | port A; VDD(A) ≤ VDD(B) | 3 | |
| supply voltage B | VDD(B) | -0.5 | 18 | V | port B; VDD(B) ≥ VDD(A) | 3 | |
| input clamping current | IIK | -10 | 10 | mA | VI < -0.5 V or VI > VDD(A) + 0.5 V | 3 | |
| input voltage | VI | -0.5 | V | 3 | |||
| output clamping current | IOK | -10 | 10 | mA | VO < -0.5 V or VO > VDD(B) + 0.5 V | 3 | |
| input/output current | II/O | -10 | 10 | mA | 3 | ||
| supply current | IDD | 50 | mA | 3 | |||
| storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| ambient temperature | Tamb | -40 | 85 | °C | 3 | ||
| total power dissipation | Ptot | 500 | mW | Tamb = -40 °C to +85 °C | 3 | ||
| power dissipation per output | P | 100 | mW | 3 | |||
| supply voltage A | VDD(A) | 3 | V | 4 | |||
| supply voltage B | VDD(B) | 15 | V | VDD(B) ≥ VDD(A) | 4 | ||
| input voltage | VI | 0 | V | 4 | |||
| ambient temperature | Tamb | -40 | 85 | °C | in free air | 4 | |
| input transition rise and fall rate | Δt/ΔV | 3.75 | μs/V | VDD(A) = 5 V | 4 | ||
| input transition rise and fall rate | Δt/ΔV | 0.5 | μs/V | VDD(A) = 10 V | 4 | ||
| input transition rise and fall rate | Δt/ΔV | 0.08 | μs/V | VDD(A) = 15 V | 4 | ||
| HIGH-level input voltage | VIH | 3.5 | V | /IO/ < 1 μA; VDD = 5 V; Tamb = -40 °C | 4 | ||
| HIGH-level input voltage | VIH | 7 | V | /IO/ < 1 μA; VDD = 10 V; Tamb = -40 °C | 4 | ||
| HIGH-level input voltage | VIH | 11 | V | /IO/ < 1 μA; VDD = 15 V; Tamb = -40 °C | 4 | ||
| LOW-level input voltage | VIL | 1.5 | V | /IO/ < 1 μA; VDD = 5 V; Tamb = -40 °C | 4 | ||
| LOW-level input voltage | VIL | 3 | V | /IO/ < 1 μA; VDD = 10 V; Tamb = -40 °C | 4 | ||
| LOW-level input voltage | VIL | 4 | V | /IO/ < 1 μA; VDD = 15 V; Tamb = -40 °C | 4 | ||
| HIGH-level output voltage | VOH | 4.95 | V | /IO/ < 1 μA; VDD = 5 V; Tamb = -40 °C | 4 | ||
| HIGH-level output voltage | VOH | 9.95 | V | /IO/ < 1 μA; VDD = 10 V; Tamb = -40 °C | 4 | ||
| HIGH-level output voltage | VOH | 14.95 | V | /IO/ < 1 μA; VDD = 15 V; Tamb = -40 °C | 4 | ||
| LOW-level output voltage | VOL | 0.05 | V | /IO/ < 1 μA; VDD = 5 V; Tamb = -40 °C | 4 | ||
| supply current | IDD | 150 | μA | all valid input combinations; IO = 0 A; VDD = 5 V; Tamb = +85 °C | 4 | ||
| supply current | IDD | 300 | μA | all valid input combinations; IO = 0 A; VDD = 10 V; Tamb = +85 °C | 4 | ||
| supply current | IDD | 600 | μA | all valid input combinations; IO = 0 A; VDD = 15 V; Tamb = +85 °C | 4 | ||
| OFF-state output current HIGH | IOZ | 12 | μA | VO = VDD(B); VDD = 15 V; Tamb = +85 °C | 4 | ||
| OFF-state output current LOW | IOZ | -12 | μA | VO = VSS; VDD = 15 V; Tamb = +85 °C | 4 | ||
| input capacitance | CI | 7.5 | pF | digital inputs; Tamb = +85 °C | 5 | ||
| HIGH to LOW propagation delay | tPHL | 340 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 5 | ||
| HIGH to LOW propagation delay | tPHL | 160 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 5 | ||
| HIGH to LOW propagation delay | tPHL | 135 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 5 | ||
| LOW to HIGH propagation delay | tPLH | 340 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 5 | ||
| LOW to HIGH propagation delay | tPLH | 160 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 5 | ||
| LOW to HIGH propagation delay | tPLH | 140 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 5 | ||
| HIGH to LOW output transition time | tTHL | 120 | ns | Bn or Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 5 | ||
| HIGH to LOW output transition time | tTHL | 60 | ns | Bn or Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 5 | ||
| HIGH to LOW output transition time | tTHL | 40 | ns | Bn or Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 5 | ||
| LOW to HIGH output transition time | tTLH | 120 | ns | Bn or Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 5 | ||
| LOW to HIGH output transition time | tTLH | 60 | ns | Bn or Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 5 | ||
| LOW to HIGH output transition time | tTLH | 40 | ns | Bn or Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 5 | ||
| HIGH to OFF-state propagation delay | tPHZ | 135 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 6 | ||
| HIGH to OFF-state propagation delay | tPHZ | 110 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 6 | ||
| HIGH to OFF-state propagation delay | tPHZ | 120 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 6 | ||
| LOW to OFF-state propagation delay | tPLZ | 135 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 6 | ||
| LOW to OFF-state propagation delay | tPLZ | 105 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 6 | ||
| LOW to OFF-state propagation delay | tPLZ | 110 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 6 | ||
| OFF-state to HIGH propagation delay | tPZH | 395 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 6 | ||
| OFF-state to HIGH propagation delay | tPZH | 195 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 6 | ||
| OFF-state to HIGH propagation delay | tPZH | 165 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 6 | ||
| OFF-state to LOW propagation delay | tPZL | 395 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 6 | ||
| OFF-state to LOW propagation delay | tPZL | 190 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 6 | ||
| OFF-state to LOW propagation delay | tPZL | 160 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 6 |
CAD (KiCad official)
- Symbol:
HEF4104BT - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOIC-16 (KiCad packages3D, STEP)
- 3D model files:
hef4104bt-etched.step/hef4104bt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hef4104bt.step/hef4104bt.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (12 pp, sha256
7e651ba2e78481da, retrieved 2026-10-18, tier: lcsc) - 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).
# HEF4104BT
**Nexperia** · Translators, Level Shifters · SOIC-16
HEF4104BT from Nexperia, in a SOIC-16. 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 | VDD(B) | power_in | Supply voltage for port B; must be greater than or equal to VDD(A), with 15 V as the recommended maximum and -0.5 V to +18 V as the absolute limit. |
| 2 | ~B0 | tri_state | Complementary data output B0, the inverse of data output B0; it goes to high-impedance OFF-state when OE is LOW. |
| 3 | B0 | tri_state | Data output B0 follows data input A0 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW. |
| 4 | A0 | input | Data input A0 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A). |
| 5 | A1 | input | Data input A1 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A). |
| 6 | B1 | tri_state | Data output B1 follows data input A1 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW. |
| 7 | ~B1 | tri_state | Complementary data output B1, the inverse of data output B1; it goes to high-impedance OFF-state when OE is LOW. |
| 8 | VSS | power_in | Common negative supply voltage, 0 V (ground) reference for all voltages in the device. |
| 9 | ~B2 | tri_state | Complementary data output B2, the inverse of data output B2; it goes to high-impedance OFF-state when OE is LOW. |
| 10 | B2 | tri_state | Data output B2 follows data input A2 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW. |
| 11 | A2 | input | Data input A2 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A). |
| 12 | A3 | input | Data input A3 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A). |
| 13 | B3 | tri_state | Data output B3 follows data input A3 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW. |
| 14 | ~B3 | tri_state | Complementary data output B3, the inverse of data output B3; it goes to high-impedance OFF-state when OE is LOW. |
| 15 | OE | input | Output enable input; HIGH passes the An inputs to the outputs, while LOW forces all Bn and Bn outputs into the high-impedance OFF-state. |
| 16 | VDD(A) | power_in | Supply voltage for port A; must be at least 3 V and less than or equal to VDD(B), with -0.5 V to +18 V as the absolute limit. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOIC-16 |
| Category | Logic |
| Pins | 16 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| supply voltage A | VDD(A) | -0.5 | | 18 | V | port A; VDD(A) ≤ VDD(B) | 3 |
| supply voltage B | VDD(B) | -0.5 | | 18 | V | port B; VDD(B) ≥ VDD(A) | 3 |
| input clamping current | IIK | -10 | | 10 | mA | VI < -0.5 V or VI > VDD(A) + 0.5 V | 3 |
| input voltage | VI | -0.5 | | | V | | 3 |
| output clamping current | IOK | -10 | | 10 | mA | VO < -0.5 V or VO > VDD(B) + 0.5 V | 3 |
| input/output current | II/O | -10 | | 10 | mA | | 3 |
| supply current | IDD | | | 50 | mA | | 3 |
| storage temperature | Tstg | -65 | | 150 | °C | | 3 |
| ambient temperature | Tamb | -40 | | 85 | °C | | 3 |
| total power dissipation | Ptot | | | 500 | mW | Tamb = -40 °C to +85 °C | 3 |
| power dissipation per output | P | | | 100 | mW | | 3 |
| supply voltage A | VDD(A) | 3 | | | V | | 4 |
| supply voltage B | VDD(B) | | | 15 | V | VDD(B) ≥ VDD(A) | 4 |
| input voltage | VI | 0 | | | V | | 4 |
| ambient temperature | Tamb | -40 | | 85 | °C | in free air | 4 |
| input transition rise and fall rate | Δt/ΔV | | | 3.75 | μs/V | VDD(A) = 5 V | 4 |
| input transition rise and fall rate | Δt/ΔV | | | 0.5 | μs/V | VDD(A) = 10 V | 4 |
| input transition rise and fall rate | Δt/ΔV | | | 0.08 | μs/V | VDD(A) = 15 V | 4 |
| HIGH-level input voltage | VIH | 3.5 | | | V | /IO/ < 1 μA; VDD = 5 V; Tamb = -40 °C | 4 |
| HIGH-level input voltage | VIH | 7 | | | V | /IO/ < 1 μA; VDD = 10 V; Tamb = -40 °C | 4 |
| HIGH-level input voltage | VIH | 11 | | | V | /IO/ < 1 μA; VDD = 15 V; Tamb = -40 °C | 4 |
| LOW-level input voltage | VIL | | | 1.5 | V | /IO/ < 1 μA; VDD = 5 V; Tamb = -40 °C | 4 |
| LOW-level input voltage | VIL | | | 3 | V | /IO/ < 1 μA; VDD = 10 V; Tamb = -40 °C | 4 |
| LOW-level input voltage | VIL | | | 4 | V | /IO/ < 1 μA; VDD = 15 V; Tamb = -40 °C | 4 |
| HIGH-level output voltage | VOH | 4.95 | | | V | /IO/ < 1 μA; VDD = 5 V; Tamb = -40 °C | 4 |
| HIGH-level output voltage | VOH | 9.95 | | | V | /IO/ < 1 μA; VDD = 10 V; Tamb = -40 °C | 4 |
| HIGH-level output voltage | VOH | 14.95 | | | V | /IO/ < 1 μA; VDD = 15 V; Tamb = -40 °C | 4 |
| LOW-level output voltage | VOL | | | 0.05 | V | /IO/ < 1 μA; VDD = 5 V; Tamb = -40 °C | 4 |
| supply current | IDD | | | 150 | μA | all valid input combinations; IO = 0 A; VDD = 5 V; Tamb = +85 °C | 4 |
| supply current | IDD | | | 300 | μA | all valid input combinations; IO = 0 A; VDD = 10 V; Tamb = +85 °C | 4 |
| supply current | IDD | | | 600 | μA | all valid input combinations; IO = 0 A; VDD = 15 V; Tamb = +85 °C | 4 |
| OFF-state output current HIGH | IOZ | | | 12 | μA | VO = VDD(B); VDD = 15 V; Tamb = +85 °C | 4 |
| OFF-state output current LOW | IOZ | | | -12 | μA | VO = VSS; VDD = 15 V; Tamb = +85 °C | 4 |
| input capacitance | CI | | | 7.5 | pF | digital inputs; Tamb = +85 °C | 5 |
| HIGH to LOW propagation delay | tPHL | | | 340 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 5 |
| HIGH to LOW propagation delay | tPHL | | | 160 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 5 |
| HIGH to LOW propagation delay | tPHL | | | 135 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 5 |
| LOW to HIGH propagation delay | tPLH | | | 340 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 5 |
| LOW to HIGH propagation delay | tPLH | | | 160 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 5 |
| LOW to HIGH propagation delay | tPLH | | | 140 | ns | An to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 5 |
| HIGH to LOW output transition time | tTHL | | | 120 | ns | Bn or Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 5 |
| HIGH to LOW output transition time | tTHL | | | 60 | ns | Bn or Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 5 |
| HIGH to LOW output transition time | tTHL | | | 40 | ns | Bn or Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 5 |
| LOW to HIGH output transition time | tTLH | | | 120 | ns | Bn or Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 5 |
| LOW to HIGH output transition time | tTLH | | | 60 | ns | Bn or Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 5 |
| LOW to HIGH output transition time | tTLH | | | 40 | ns | Bn or Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 5 |
| HIGH to OFF-state propagation delay | tPHZ | | | 135 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 6 |
| HIGH to OFF-state propagation delay | tPHZ | | | 110 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 6 |
| HIGH to OFF-state propagation delay | tPHZ | | | 120 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 6 |
| LOW to OFF-state propagation delay | tPLZ | | | 135 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 6 |
| LOW to OFF-state propagation delay | tPLZ | | | 105 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 6 |
| LOW to OFF-state propagation delay | tPLZ | | | 110 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 6 |
| OFF-state to HIGH propagation delay | tPZH | | | 395 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 6 |
| OFF-state to HIGH propagation delay | tPZH | | | 195 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 6 |
| OFF-state to HIGH propagation delay | tPZH | | | 165 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 6 |
| OFF-state to LOW propagation delay | tPZL | | | 395 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 5 V; Tamb = 25 °C | 6 |
| OFF-state to LOW propagation delay | tPZL | | | 190 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 10 V; Tamb = 25 °C | 6 |
| OFF-state to LOW propagation delay | tPZL | | | 160 | ns | OE to Bn, Bn; VDD(A) = VDD(B) = 15 V; Tamb = 25 °C | 6 |
## CAD (KiCad official)
- Symbol: `HEF4104BT`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOIC-16 (KiCad packages3D, STEP)
- 3D model files: `hef4104bt-etched.step` / `hef4104bt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hef4104bt.step` / `hef4104bt.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Nexperia datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193698200043520) (12 pp, sha256 `7e651ba2e78481da`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/hef4104bt-datasheet.pdf)