Crystal unit
Toyocom
Epson Toyocom
Product Number (please contact us)
Q25NS21Rxxxxx00
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
Specifications (characteristics)
Item
Nominal frequency range
Temperature Storage temperature
range
Operating temperature
Level of drive
Frequency tolerance (standard)
Turnover temperature
Parabolic coefficient
Symbol
f_nom
T_stg
T_use
DL
f_tol
Ti
B
Specifications
300 MHz to 500 MHz
-40
°C
to +85
°C
-40
°C
to +85
°C
2 mW Max.
-6
±50 × 10 , ±100 × 10
-6
, ±150 × 10
-6
+20
°C ±20 °C
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
-(1.6±0.4) × 10
-8
/ °C
2
2 Min.
20
Ω
Max.
±10 × 10
-6
/ year Max.
±10 × 10
-6
Max.
Harmonic ratio
R
S
/ R
1
Motional resistance(ESR)
R
1
Frequency aging
f_age
Shock resistance
S.R.
*Please
contact us for except RKE use.
+25
°C
Nine drops on a concrete surface from 1500 mm
External dimensions
(Unit:mm)
Footprint (Recommended)
(Unit:mm)
2.5
±
0.1
#4
#3
#3
0.1
#4
1.7
2.0±0.1
Marking
#1
#2
C0.3
0.9
0.86±0.09
Pin map
Pin
Connection
1
Input
2
GND
3
Output
4
GND
#2,#4 are connected to the cover.
1.38
#2
#1
0.65
1.2
http://www.epsontoyocom.co.jp
0.88
EPSONTOYOCOM [ EPSON TOYOCOM ]
