English
Language : 

NS-21R Datasheet, PDF (1/2 Pages) Epson ToYoCom – SAW RESONATOR
Crystal unit
SAW RESONATOR
1 port-type
NS - 21R
•Frequency range : 300 MHz to 500 MHz
•Thickness
: 0.86 mm Typ.
•Overtone order
: Fundamental
•Applications
: Small wireless equipment
•High reliability and excellent temperature characteristic.
•The smallest package size in the world.
Actual size
Epson Toyocom
Product Number (please contact us)
Q25NS21Rxxxxx00
Specifications (characteristics)
Item
Symbol
Nominal frequency range
f_nom
Temperature Storage temperature
range
Operating temperature
Level of drive
Frequency tolerance (standard)
T_stg
T_use
DL
f_tol
Turnover temperature
Ti
Parabolic coefficient
B
Harmonic ratio
RS/ R1
Motional resistance(ESR)
Frequency aging
R1
f_age
Shock resistance
S.R.
*Please contact us for except RKE use.
Specifications
300 MHz to 500 MHz
-40 °C to +85 °C
-40 °C to +85 °C
2 mW Max.
±50 × 10-6, ±100 × 10-6, ±150 × 10-6
+20 °C ±20 °C
-(1.6±0.4) × 10-8 / °C2
2 Min.
20 Ω Max.
±10 × 10-6 / year Max.
±10 × 10-6 Max.
Remarks
Please contact us for inquiries regarding
available frequencies.
Store as bare product after unpacking
+25 °C
Please contact us for inquires about
Peak temperature
+25 °C
Nine drops on a concrete surface from 1500 mm
External dimensions
(Unit:mm)ç ç ç Footprint (Recommended)
(Unit:mm)ç
2.5±0.1
#4
#3
Marking
#1
#2
0.1
#3
#4
C0.3
#2
0.9 #1
ç Pin map
Pin Connection
1
Input
2
GND
3
Output
4
GND
#2,#4 are connected to the cover.
1.7
1.2
http://www.epsontoyocom.co.jp