278LF-25.78125-1 datasheet, PDF

EEWORLDEEWORLD

Datasheet

Datasheet> All Categories > Passive components> Crystal/resonator> 278LF-25.78125-1

Preview

278LF-25.78125-1: DescriptionParallel - Fundamental Quartz Crystal, 25.78125MHz Nom, SMD, 2 PIN; CategoryPassive components Crystal/resonator; File Size135KB，1 Pages; ManufacturerFOX [Fox Electronics]; Environmental Compliance

Download Datasheet Parametric View All

278LF-25.78125-1 Overview

Parallel - Fundamental Quartz Crystal, 25.78125MHz Nom, SMD, 2 PIN

278LF-25.78125-1 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	FOX [Fox Electronics]
package instruction	SMD, 2 PIN
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	TR, 13 INCH
Ageing	5 PPM/YEAR
Crystal/Resonator Type	PARALLEL - FUNDAMENTAL
Drive level	500 µW
frequency stability	0.002%
frequency tolerance	20 ppm
JESD-609 code	e1
load capacitance	10 pF
Installation features	SURFACE MOUNT
Nominal operating frequency	25.78125 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
physical size	L11.7XB5.0XH4.5 (mm)/L0.461XB0.197XH0.177 (inch)
Series resistance	20 Ω
surface mount	YES
Terminal surface	Tin/Silver/Copper (Sn/Ag/Cu)

278LF-25.78125-1 Preview

Customer Part Number:

Part Number: 278LF-25.78125-1

LEAD-FREE, RESISTANCE WELD, SMD, CRYSTAL

MODEL: HC49SDLF Series

RoHS Compliant / Pb Free

A. Specifications

Parameters

Frequency

Resonance Mode

Frequency Tolerance @ 25°C

Frequency Stability, ref @ 25°C

Over Operating Temp. Range

Temperature Range

Operating (T

OPR

)

Storage (T

STG

)

Equivalent Series Resistance

(ESR)

Shunt Capacitance (C

O

)

Load Capacitance (C

L

)

Drive Level

Aging per year

Maximum Soldering Temp / Time

Moisture Sensitivity Level

(MSL)

Termination Finish:

(Ni underplate)

Weight

B.

25.78125 MHz

Fundamental

±20 PPM Max

3.8 Max

4.5 Max

Mechanical / Dimensions

(millimeters):

10.3 Max

-40°C ~ +85°C

20 Ohms Max

7.0 pF Max

10 pF

0.5 mW Max

±5.0 PPM Max

260°C / 10 Seconds

1

Sn/Ag/Cu

649.385 mg (TYP)

Recommended

HC49SD Solder Pad Layout

15.0±0.1

13.9 Max

11.7 Max

5.0 Max

0.75±0.35

FS25.78P

4.0±0.1

2.0±0.1

Tape and Reel Specification (mm)

Standard reel quantity: 1,000

A =

1.5

B = 4.0

C = 12.0

D = 11.5

E = 24.0

F = 4.8

G = 2.0

H =

13

I =

21

J =

80

K =

330

L = 25.5

M =2.0

NOTE: The above specifications, having been carefully prepared and checked, is believed to be accurate at the time of publication; however, no

responsibility is assumed by Fox Electronics for inaccuracies.

Reference / Comments

Title / Description:

Product Specifications

Initial release

Rev: 1

Size: A

Drawing Number: DWG-7833

Cage: 61429

Part Number: 278LF-25.78125-1

Draftsperson:

GB

Approved:

AR

Date:

02-13-2013

Page 1 of 1

More (Only the first 5 pages are displayed. Please Download Datasheet to view the full content.) >

Recommended Resources

Two types of negative voltage generation circuit diagrams of single-chip microcomputer

Pure Class A small amplifier

Using CMOS to form a time-adjusting welding machine circuit-a

Linear regulated power supply circuit diagram with excellent performance

0~15V adjustable regulated power supply composed of LM7815 and op amp 307

Computer motherboard circuit diagram 815 4_09

Shortcut: S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 TA TB TC TD TE TF TG TH TI TJ TK TL TM TN TO TP TQ TR TS TT TU TV TW TX TY TZ U0 U1 U2 U3 U4 U6 U7 U8 UA UB UC UD UE UF UG UH UI UJ UK UL UM UN UP UQ UR US UT UU UV UW UX UZ V0 V1 V2 V3 V4 V5 V6 V7 V8 V9 VA VB VC VD VE VF VG VH VI VJ VK VL VM VN VO VP VQ VR VS VT VU VV VW VX VY VZ W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WR WS WT WU WV WW WY X0 X1 X2 X3 X4 X5 X7 X8 X9 XA XB XC XD XE XF XG XH XK XL XM XN XO XP XQ XR XS XT XU XV XW XX XY XZ Y0 Y1 Y2 Y4 Y5 Y6 Y9 YA YB YC YD YE YF YG YH YK YL YM YN YP YQ YR YS YT YX Z0 Z1 Z2 Z3 Z4 Z5 Z6 Z8 ZA ZB ZC ZD ZE ZF ZG ZH ZJ ZL ZM ZN ZP ZR ZS ZT ZU ZV ZW ZX ZY

Popular Components