Datasheet

ManualsBrandsKeyseg ManualsCrystals & OscillatorsResonator 455kHz ±2 kHz 100pF 40Ohm Radial

TYPE OF PRODUCT

SPECIFICATION

AND

PERFORMANCE

KR455KLW5B

廣順科技股份有限公司

KEYSEG TECHNOLOGY CORP. 1/4

455KHz Lead Type

1. Scope :

This specification shall cover the characteristics of the ceramic resonator with 455KHz

for the clock oscillation of microprocessor etc.

2. Electric Specification :

2-1. Nominal oscillation frequency ( Fo ) : 455KHz

2-2. Frequency initial tolerance

2KHz

2-3. Resonator impedance (Ro)

:40

max.

2-4. Withstanding voltage :100V D.C. 5 sec. max.

2-5. Rate working voltage

1). D.C. voltage :6V D.C.

2). A.C. voltage :15 Vp-p

2-6. Temperature coefficient of oscillation frequency

0.3% max. (-20 to +80

℃

)

2-7. Operating temperature

: -20 to +80

℃

2-8. Storage temperature

: -40 to+80

℃

2-9 Shipping temperature

: -40 to +80

℃

2-10. Aging for 10 years

:±

0.3

％

max.

2-11 Environmental Protection Regulation

:ROHS

3. Dimension:

( in mm)

MARK :

0.35±0.1 0.88±0.1

9.0±0.3

7.0±0.3

5.0±0.3

3.5±0.3

Summary of content (4 pages)

PAGE 1
SPECIFICATION TYPE OF PRODUCT AND KR455KLW5B PERFORMANCE 455KHz Lead Type 1. Scope : This specification shall cover the characteristics of the ceramic resonator with 455KHz for the clock oscillation of microprocessor etc. 2. Electric Specification : 2-1. 2-2. 2-3. 2-4. 2-5. 1). 2). 2-6. 2-7. 2-8. 2-9 2-10. 2-11 Nominal oscillation frequency ( Fo ) Frequency initial tolerance Resonator impedance (Ro) Withstanding voltage Rate working voltage D.C. voltage A.C.
PAGE 2
SPECIFICATION TYPE OF PRODUCT AND PERFORMANCE KR455KLW5B 4. Measurement 4-1 Measurement Condition The reference temperature shall be 25℃± 2℃。The measurement shall be performed at the temperature range of 5℃to 35℃ unless otherwise the result is doubtful。 4-2 Measurement Circuit and Equipment Oscillating frequency shall be measured by the standard test circuit as shown in fig.
PAGE 3
SPECIFICATION TYPE OF PRODUCT AND PERFORMANCE KR455KLW5B Electrical Performance Item 5-1. Humidity Condition Of Test Performance Requirements Keep the resonator at 40℃± 2℃and 90％- 95％ It shall fulfill the RH for 96±4 hours. Then release the resonator into specifications in table 1。 the room conditions for 1 hour prior to the measurement. 5-2.
PAGE 4
SPECIFICATION TYPE OF PRODUCT AND PERFORMANCE 5-7. Resistance to Solder Heat 5-8. Solder Ability KR455KLW5B Dip the resonator terminals no closer than 2 mm into It shall fulfill the the solder bath 260℃±5℃for 10±1 sec; Then release specifications in table 1。 the resonator into the room temperature for 1 hour prior to the measurement﹒ Dip the resonator terminals no closer than 2 mm into the solder bath at 235℃± 5℃ for 3±0.5 sec.