component
BZV85-C51
Public Made by Adomby adom
Nexperia Zener Diodes, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Contents
README
markdownBZV85-C51
Nexperia · Zener Diodes · DO-41
BZV85-C51 from Nexperia, in a DO-41. 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 band on the package (the marking band indicates the cathode); forward current is limited to max. 500 mA per the limiting values. |
| 2 | anode | passive | Anode, the lead opposite the marking band; the device is a zener/voltage regulator diode with a maximum forward current of 500 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | DO-41 |
| 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 (min) | VZ | 48 | V | Itest = 4 mA; Tj = 25 °C | 5 | ||
| Working voltage (max) | VZ | 54 | V | Itest = 4 mA; Tj = 25 °C | 5 | ||
| Differential resistance | rdif | 125 | Ω | at Itest = 4 mA; Tj = 25 °C | 5 | ||
| Temperature coefficient (min) | SZ | 40.8 | mV/K | at Itest = 4 mA; Tj = 25 °C | 5 | ||
| Temperature coefficient (max) | SZ | 56.5 | mV/K | at Itest = 4 mA; Tj = 25 °C | 5 | ||
| Diode capacitance | Cd | 40 | pF | f = 1 MHz; VR = 0 V | 5 | ||
| Reverse current | IR | 0.05 | µA | VR = 36 V | 5 | ||
| Non-repetitive peak reverse current (square wave) | IZSM | 0.5 | A | square wave; tp = 100 µs; Tamb = 25 °C | 5 | ||
| Non-repetitive peak reverse current (half sine wave) | IZSM | 226 | mA | half sine wave; tp = 10 ms; Tamb = 25 °C | 5 | ||
| Forward current | IF | 500 | mA | 3 | |||
| Total power dissipation | Ptot | 1 | W | Tamb = 25 °C; lead length 10 mm; device mounted on PCB with 1 cm² copper per lead | 3 | ||
| Total power dissipation | Ptot | 1.3 | W | Ttp = 55 °C; leads kept at 4 mm from body | 3 | ||
| Non-repetitive peak reverse power dissipation | PZSM | 60 | W | square wave; tp = 100 µs; Tj = 25 °C prior to surge | 3 | ||
| Junction temperature | Tj | 200 | °C | 3 | |||
| Storage temperature | Tstg | -65 | 200 | °C | 3 | ||
| Thermal resistance junction to tie-point | Rth(j-t) | 110 | K/W | lead length 4 mm | 4 | ||
| Thermal resistance junction to ambient | Rth(j-a) | 175 | K/W | lead length 10 mm; device mounted on PCB with 1 cm² copper per lead | 4 | ||
| Forward voltage | VF | 1 | V | IF = 50 mA | 4 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | [1] Device mounted on a Printed-Circuit Board (PCB) with 1 cm2 copper area per lead. | 1 |
CAD (KiCad official)
- Symbol:
BZV85-C51 - Footprint:
Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal - 3D model: DO-41 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (10 pp, sha256
fe7bcd12df526e1e, retrieved 2026-10-21, 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).