component
TDZ4V3J
Public Made by Adomby adom
Nexperia Zener Diodes, SOD-323F. 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
markdownTDZ4V3J
Nexperia · Zener Diodes · SOD-323F
TDZ4V3J from Nexperia, in a SOD-323F. 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 | cathode | passive | Cathode, identified by the marking bar on the package; the datasheet gives the 500 mW total power dissipation at Tamb ≤ 25 °C for a device mounted with a 16 mm² mounting pad for the cathode. |
| 2 | anode | passive | Anode; the datasheet gives no anode-specific limit, so the device-level limiting values in Table 5 (such as IF = 250 mA maximum forward current) apply. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOD-323F |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Working voltage (Zener voltage) for TDZ4V3J | VZ | 4.21 | 4.39 | V | IZ = 5 mA; Tj = 25 °C | 4 | |
| Differential resistance | rdif | 600 | Ω | IZ = 5 mA | 4 | ||
| Differential resistance | rdif | 90 | Ω | IZ = 1 mA | 4 | ||
| Reverse current | IR | 3 | µA | VR = 1.0 V | 4 | ||
| Temperature coefficient (minimum column as printed) | SZ | 0 | mV/K | IZ = 5 mA | 4 | ||
| Temperature coefficient (maximum column as printed) | SZ | 3.5 | mV/K | IZ = 5 mA | 4 | ||
| Diode capacitance | Cd | 350 | pF | f = 1 MHz; VR = 0 V | 4 | ||
| Non-repetitive peak reverse current | IZSM | 15 | A | tp = 100 µs; square wave; Tj = 25 °C before surge | 4 | ||
| Non-repetitive peak reverse power dissipation (TDZ2V4J to TDZ5V6J range, includes TDZ4V3J) | PZSM | 180 | W | tp = 100 µs; square wave; Tj = 25 °C before surge | 3 | ||
| Forward current | IF | 250 | mA | 3 | |||
| Total power dissipation | Ptot | 500 | mW | Tamb ≤ 25 °C; device mounted on FR4 PCB, mounting pad for cathode 16 mm2 | 3 | ||
| Junction temperature | Tj | 150 | °C | 3 | |||
| Ambient temperature | Tamb | -55 | 150 | °C | 3 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| Thermal resistance from junction to ambient | Rth(j-a) | 250 | K/W | in free air; device mounted on FR4 PCB, mounting pad for cathode 16 mm2 | 3 | ||
| Thermal resistance from junction to solder point | Rth(j-sp) | 25 | K/W | soldering point of cathode tab | 3 | ||
| Forward voltage | VF | 0.9 | V | IF = 10 mA; pulse test tp ≤ 300 µs | 3 | ||
| Forward voltage | VF | 1.1 | V | IF = 100 mA; pulse test tp ≤ 300 µs | 3 |
CAD (KiCad official)
- Symbol:
TDZ4V3J - Footprint:
Diode_SMD:D_SOD-323F - 3D model: SOD-323F (KiCad packages3D, STEP)
- 3D model files:
tdz4v3j-etched.step/tdz4v3j-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tdz4v3j.step/tdz4v3j.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (12 pp, sha256
4abbeb9e227df5d0, retrieved 2026-10-16, 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).