25
SAW Resonators (SMD)
PARS Series
Part Number Resonant Resonant Parallel Temperature
Frequency (MHz) Loss (dB) Capacitance Characteristics
(pF) (ppm/°C)
PARS304.30K00R 304.300±0.250
PARS310.00K00R 310.000±0.250 4.0 Max.
PARS314.00K00R 314.000±0.250
PARS314.50K00R 314.500±0.250
PARS315.00K00R 315.000±0.250
PARS320.65K00R 320.650±0.250
PARS345.00K00R 345.000±0.250 2.5 Max. 3.2 Max. ±8 Max.
PARS418.00K00R 418.000±0.250
PARS423.22K00R 423.220±0.250
PARS432.92K00R 432.920±0.250
PARS433.42K00R 433.920±0.250
PARS433.92K00R 433.920±0.250
PARS479.50K00R 479.500±0.500 2.3 Max.
Please contact your local sales office for custom frequency.
SPECIFICATIONS
PACKAGING mm (inches)
FEATURES
• Frequency range 300 to 480MHz • High reliability sealing
• 1 port type SMD resonator • Excellent temperature
• Small profile (5.5x3.8mm) characteristics
• Low profile (1.5mm max.) • +100ppm to -250ppm
• SMT ceramic package (-40 to 85°C)
APPLICATIONS
• Keyless entry systems • Security systems
• Garage openers
DIMENSIONS millimeters (inches)
RECOMMENDED LAND PATTERN
Packaging
R = Tape and reel, 2,000 pcs/reel
Frequency Tolerance or
Custom Specs
00 ±250kHz 03 ±100kHz
01 ±200kHz 04 ±75kHz
02 ±150kHz 10≥Tolerance
11≤Custom Specs
Marking Code
Resonant Frequency (MHz)
Series
HOW TO ORDER
PARS 315.00 K 00 R
1.25
(0.049)
1.0
(0.039) 1.5 (0.059)
1.0
(0.039)
1.25
(0.049)
1.25 (0.049)
1.5 (0.059)
0.15 (0.006)
0.15 (0.006)
1.25 (0.049)
φ1.55 (0.061)
±0.05 (0.002)
8.0 (0.315)
±0.1 (0.004)
2.0 (0.079)
±0.1 (0.004)
4.0 (0.157)
±0.1 (0.004)
3.9 (0.154)
±0.1 (0.004)
3.5 (0.138)
±0.1 (0.004)
5.9 (0.232)
±0.1 (0.004)
12.0 (0.472)±0.3 (0.012)
1.75 (0.069)±0.1
1.6 (0.063)
±0.1 (0.004)
0.3 (0.012)
±0.05 (0.002)
0.2 (0.008) max
0.2 (0.008) max
0.2 (0.008)
max
0.2 (0.008) max
5° max
5° max
φ1.5 (0.059)+0.1 (0.004)
−0
1.5 (0.059) max
4-R0.15 (0.006)
4-R0.15 (0.006)
4-1.0 (0.039)
±0.2 (0.008)
2.75 (0.108)
±0.2 (0.008)
5.5 (0.217) ±0.2 (0.008)
3.8 (0.150)
±0.2 (0.008)
4-1.0 (0.039)
±
0.2 (0.008)
4-0.6 (0.024)
±
0.2 (0.008)
1.9 (0.075)
±0.2 (0.008)
2
4
1
3
Resonant Marking
Frequency (MHz) Code
304.45 304 L
310.00 310 K
314.00 314 K
314.50 314 L
315.00 315 K
320.65 320 K
Resonant Marking
Frequency (MHz) Code
423.22 423 K
432.92 432 K
433.42 433 L
433.92 433 K
479.50 479 L
315K C
Monthly Code
(4 digits Frequency Marking)
➀
Hot
➁
GND
➂
Hot
➃
GND
mm (inches)
