SAW Resonators (SMD)
PARS Series
FEATURES
• Frequency range 300 to 480MHz • High reliability sealing
• 1 port type SMD resonator
• Excellent temperature
characteristics
• +100ppm to -ꢀ20ppm
(-40 to 82°C)
• Small size (2.2x3.8mm)
• Low profile (1.2mm max.)
• SMT ceramic package
APPLICATIONS
• Keyless entry systems
• Garage openers
• Security systems
DIMENSIONS
millimeters (inches)
HOW TO ORDER
PARS 315.00 K 00 R
1.5 (0.059) max
Packaging
4-1.0 (0.039)
0.2 (0.008)
4-R0.15 (0.006)
R = Tape and reel, ꢀ,000 pcs/reel
4-1.0 (0.039)
Frequency Tolerance or
Custom Specs
1
1.9 (0.075)
0.2 (0.008)
0.2 (0.008)
2
4-0.6 (0.024)
0.2 (0.008)
3.8 (0.150)
0.2 (0.008)
00
01
0ꢀ
ꢀ20kHz
ꢀ00kHz
120kHz
03
04
100kHz
72kHz
Hot
GND
Hot
4
➀
➁
➂
➃
3
10≥ Tolerance
2.75 (0.108)
0.2 (0.008)
4-R0.15 (0.006)
11≤ Custom Specs
GND
Monthly Code
5.5 (0.217) 0.2 (0.008)
Marking Code
RECOMMENDED LAND PATTERN
315K C
mm (inches)
(4 digits Frequency Marking)
1.25 (0.049)
0.15 (0.006)
Resonant
Marking
Resonant
Marking
Frequency (MHz) Code
Frequency (MHz) Code
304.42
310.00
314.00
314.20
312.00
3ꢀ0.62
304 L
310 K
314 K
314 L
312 K
3ꢀ0 K
4ꢀ3.ꢀꢀ
43ꢀ.9ꢀ
433.4ꢀ
433.9ꢀ
479.20
4ꢀ3 K
43ꢀ K
433 L
433 K
479 L
1.5 (0.059)
0.15 (0.006)
1.25 (0.049)
1.25
(0.049)
1.0
1.0
(0.039)
1.25
(0.049)
Resonant Frequency (MHz)
Series
(0.039) 1.5 (0.059)
PACKAGING
mm (inches)
SPECIFICATIONS
Parallel
Temperature
Resonant
Resonant
Part Number
Capacitance Characteristics
Frequency (MHz) Loss (dB)
(pF)
(ppm/°C)
4.0 (0.157)
0.1 (0.004)
2.0 (0.079)
0.1 (0.004)
PARS303.00N00R 303.000 0.ꢀ20
PARS303.33L00R 303.330 0.ꢀ20
PARS303.8ꢀM00R 303.8ꢀ2 0.ꢀ20
PARS303.87K00R 303.872 0.ꢀ20
PARS304.30K00R 304.300 0.ꢀ20
+0.1 (0.004)
φ1.5 (0.059)
−0
3.9 (0.154)
0.1 (0.004)
0.3 (0.012)
0.05 (0.002)
0.2 (0.008)
max
4.0 Max.
5.9 (0.232)
0.1 (0.004)
PARS304.42L00R
304.420 0.ꢀ20
PARS310.00K00R 310.000 0.ꢀ20
PARS314.00K00R 314.000 0.ꢀ20
PARS314.20K00R 314.200 0.ꢀ20
PARS312.00K00R 312.000 0.ꢀ20
PARS3ꢀ0.62K00R 3ꢀ0.620 0.ꢀ20
PARS342.00K00R 342.000 0.ꢀ20
PARS418.00K00R 418.000 0.ꢀ20
PARS4ꢀ3.ꢀꢀK00R 4ꢀ3.ꢀꢀ0 0.ꢀ20
PARS43ꢀ.9ꢀK00R 43ꢀ.9ꢀ0 0.ꢀ20
5° max
5° max
8.0 (0.315)
0.1 (0.004)
1.6 (0.063)
0.1 (0.004)
φ1.55 (0.061)
0.05 (0.002)
0.2 (0.008) max
0.2 (0.008) max
8 Max.
ꢀ.2 Max.
3.ꢀ Max.
ꢀ.3 Max.
PARS433.4ꢀL00R
433.4ꢀ0 0.ꢀ20
PARS433.9ꢀK00R 433.9ꢀ0 0.ꢀ20
PARS479.20K00R 479.200 0.200
Please contact your local sales office for custom frequency.
25