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Contents

README

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3SMAJ5952B-TP

MCC(Micro Commercial Components) · Zener Diodes · SMA(DO-214AC)

3SMAJ5952B-TP from MCC(Micro Commercial Components), in a SMA(DO-214AC). 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 K passive Cathode, marked by the cathode band; 3SMAJ5952B has nominal Zener voltage VZ of 130V at IZT of 2.9mA (±5%), maximum dynamic impedance 450 ohms, and maximum DC Zener current IZM of 22mA.
2 A passive Anode; forward voltage is 1.5V maximum at IF of 200mA, and steady state power dissipation is 3.0W with operating and storage temperature of -55°C to +150°C.

Key specifications

Parameter Value
Manufacturer MCC(Micro Commercial Components)
Package SMA(DO-214AC)
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
Zener Voltage VZ 130 V IZT = 2.9 mA, TL=30C; nominal, tolerance ±5% 2
Zener Voltage Tolerance VZ -5 5 % B suffix type numbers indicate tolerance of +/- 5% 2
Test Current IZT 2.9 mA 2
Maximum Dynamic Impedance ZZT 450 OHMS @IZT 2
Knee Current IZK 0.25 mA 2
Knee Impedance ZZK 5000 OHMS @IZK 2
Maximum Reverse Current IR 1 µA at VR = 98.8 V 2
Reverse Voltage VR 98.8 V 2
Maximum DC Zener Current IZM 22 mA 2
Maximum Forward Voltage VF 1.5 V IF = 200mA 1
Steady State Power Dissipation Pd 3 W Lead temperature at TL=75°C 1
Operating and Storage Temperature TJ, TSTG -55 150 °C 1
Thermal Resistance Junction to Lead RthJL 25 °C/W 1
Thermal Resistance Junction to Ambient RthJA 135 °C/W 1

CAD (KiCad official)

  • Symbol: 3SMAJ5952B-TP
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
  • 3D model files: 3smaj5952b-tp-etched.step / 3smaj5952b-tp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 3smaj5952b-tp.step / 3smaj5952b-tp.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: MCC(Micro Commercial Components) datasheet (4 pp, sha256 071d4387e2357d4f, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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