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Contents

README

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E2SB40E00000JE

Hosonic Elec · Crystals · SMD2520-4P

E2SB40E00000JE from Hosonic Elec, in a SMD2520-4P. 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 XTAL1 passive Crystal terminal (#1,#3 connect to the X'tal); 40.000000 MHz fundamental, 12 pF load capacitance, pin 1 marked by the logo location.
2 GND power_in Ground connection (#2,#4 are GND), tied to the lid/case ground.
3 XTAL2 passive Crystal terminal (#1,#3 connect to the X'tal); 40.000000 MHz fundamental, 12 pF load capacitance, drive level 50 µW typ and 100 µW max.
4 GND power_in Ground connection (#2,#4 are GND), tied to the lid/case ground.

Key specifications

Parameter Value
Manufacturer Hosonic Elec
Package SMD2520-4P
Category Crystal Oscillator/Oscillator/Resonator
Pins 4

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Frequency Tolerance △F/F0 -7 7 ppm At 25℃±3℃ 3
Operating Temperature Range TOPR -30 85 ℃ 3
Frequency Stability (over operating temperature) TC -10 10 ppm Ref. to 25℃ 3
Storage Temperature TSTG -55 125 ℃ 3
Equivalent Series Resistance ESR 50 Ω 3
Drive Level DL 50 100 μW 3
Insulation Resistance IR 500 MΩ At 100VDC 3
Shunt Capacitance C0 3 pF 3
Aging Per Year Fa -2 2 ppm First Year 3
Nominal Frequency F0 40 MHz Fundamental mode 3
Load capacitance CL 12 pF 3

CAD (KiCad official)

  • Symbol: E2SB40E00000JE
  • Footprint: Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm
  • 3D model: SMD2520-4P (KiCad packages3D, STEP)
  • 3D model files: e2sb40e00000je-etched.step / e2sb40e00000je-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); e2sb40e00000je.step / e2sb40e00000je.glb are the bare package body.

Provenance

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

  • Datasheet: Hosonic Elec datasheet (9 pp, sha256 5ba9ab0df1c3f27c, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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