SAW Resonators (SMD)
PARS Series
Features
• Frequency Range 300 to 480MHz
• 1 Port Type SMD Resonator
• Small Size (5.5×3.8mm)
How to Order
PARS 315.00 K 00 R
e r t
q
w
• Low Profile (1.5mm max)
• SMT Ceramic Package
• High Reliability Sealing
• Excellent Temperature Characteristics
• +100ppm to −250ppm (−40 to 85°C)
qSeries
wResonant Frequency(MHz)
eMarking Code
rFreg.tolerance or Custom Spec
00
01
250kHz
200kHz
03
04
100kHz
75kHz
02
11≤
150kHz
Custom Spec.
10≥
Tolerance
Applications
• Keyless Entry Systems
• Garage Openers
• Security Systems
Pb Free
RoHS Conforming
tPackageing
R : Tape & Reel(2000pcs/Reel)
Dimensions
(Unit : mm) Recommended Land Pattern (Unit : mm) Packaging
(Unit : mm)
2.0 0.1
4.0 0.1
+0.1
−0
φ1.5
0.3 0.05
3.9 0.1
4-1.0 0.2
4-R0.15
q
r
w
e
5° max
8.0 0.1
1.6 0.1
q : Hot
w : GND
e : Hot
r : GND
2.75 0.2
5.5 0.2
4-R0.15
φ1.55 0.05
0.2 max
0.2 max
1.5
1.0
1.5
1.0
1.5
Specifications
Recommended Temperature IR Reflow
Temperature
Characteristics
(ppm/°C)
Resonant
Resonant
Loss(dB)
Parallel
Part Number
Frequency(MHz)
303.000 0.250
303.330 0.250
303.825 0.250
303.875 0.250
304.300 0.250
304.450 0.250
310.000 0.250
314.000 0.250
314.500 0.250
315.000 0.250
320.650 0.250
345.000 0.250
418.000 0.250
423.220 0.250
432.920 0.250
433.420 0.250
433.920 0.250
479.500 0.250
Capacitance(pF)
Temp.(˚C)
Peak Temp.
230˚C 5˚C
PARS303.00N00R
PARS303.33L00R
PARS303.82M00R
PARS303.87K00R
PARS304.30K00R
PARS304.45L00R
PARS310.00K00R
PARS314.00K00R
PARS314.50L00R
PARS315.00K00R
PARS320.65K00R
PARS345.00K00R
PARS418.00K00R
PARS423.22K00R
PARS432.92K00R
PARS433.42L00R
PARS433.92K00R
PARS479.50K00R
250
200
150
100
50
200˚C min.
15sec max.
4.0max
180˚C min.
40 sec max.
0 to 60sec 60 to 120sec
0
Time
2.5max
8max
3.2max
2.3max
∗Please contact your local sales office for custom frequency.