4.1 x 1.5mm SMD Tuning Fork

K145

(former FX145)

DATASHEET

© Copyright 2019 Fox Electronics. All rights reserved

Title / Description: K145 STANDARD SPECIFICATIONS

Drawing Number: K145-DOC-1

Size: A

Part Number:

Cage: 61429

Draftsperson: BEC

Approved: MAJ

Revision Date: 11/14/2019

STANDARD SPECIFICATIONS

PARAMETERS

Frequency

32.768kHz

Frequency Tolerance @ 25ºC

(See options on page 2)

Frequency Stability

Temperature Coefficient

-0.04 PPM/(ƼC)

Temperature Range

Turnover

Storage

+20ºC ~ +30ºC

-40ºC ~ +85ºC

-55ºC ~ +125ºC

(See options on page 2)

500MΩ Min

Drive Level

1.0μW

0.1μW Typ

Aging per year

±3PPM

Maximum Soldering Temp / Time

260ºC / 10 Seconds x2

Moisture Sensitivity Level (MSL)

1

Termination Finish

Au over Ni

Seal Method

Seam

Lead (Pb) Free

Yes

RoHS/Reach Compliant

Yes

Temperature Coefficient

Page 1 of 3

Note: Dimensional drawing is for reference to critical specifications defined by size measurements.

Certain non-critical visual attributes, such as side castellations, etc. may vary.

‐180

‐160

‐140

‐120

‐100

‐80

‐60

‐40

‐20

0

ppm

°C