315MHz SAW Resonator

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315MHz SAW Resonator

HDR315MS6 (SMD-6)

Scope
This specification covers the characteristics of 1-port SAW resonator with 315MHz centre frequency used for remote-control security.

Electrical Specification of 315MHz SAW Resonator
DC Voltage VDC 10V
AC Voltage Vpp 10V50Hz/60Hz
Operation temperature -20 ℃ to +85 ℃
Storage temperature -45 ℃ to +85 ℃
RF Power Dissipation 0dBm
Table 1
Electronic Characteristics of 315MHz SAW Resonator

Item Unit Minimum Typical Maximum
Centre Frequency MHz 314.925 315.000 315.075
Insertion Loss (in 50ohm system) dB
1.5 2.5
Quality Factor Unload Q
12, 800
50 Ω Loaded Q
2,000
Temperature Stability Turnover Temperature 10 25 40
Turnover Frequency KHz
fO
Frequency Temperature Coefficient ppm / ℃ 2
0.032
Frequency Aging ppm /yr
≤ ± 10
DC. Insulation Resistance M Ω 1.0

RF Equivalent RLC Model Motional Resistance R1 Ω
18 26
Motional Inductance L1 µ H
86
Motional Capacitance C1 pF
1.5
Pin 1 to Pin 2 Static Capacitance pF 1.7 2.0 2.3
Transducer Static Capacitance pF
1.9
Dimension of 315MHz SAW Reson Test Circuit of 315MHz SAW Resonator

Environmental Characteristics of 315MHz SAW Resonator
1.Temperature cycling
The 315MHz SAW resonator must be in a place with low temperature, -40 ℃ for thirty minutes, following by a high temperature of 25℃ for five minutes and then ahigher temperature of 85℃ for 30 minutes. When the device is released into a room with normal temperature conditions for1 to 2 hours priorto the measurement, it shallmeet the specifications in table 1.
2. Resistance to solder heat
Submerge the 315MHz SAW resonator terminals into the solder bath at 260℃ ±5℃ for 10 ± 1 second. Then release the device into a room with normal temperature conditions for 4 hours, it shall meet the specifications in table 1.
3. Solderability
Submerge the device terminals into the solder bath at 245℃ ±5℃ for five seconds. More than 95% area of the soldering pad must be covered with new solder; the 315MHz SAW resonator shall meet the specifications in table 1.
4. Mechanical shock
Drop the 315MHz SAW resonator randomly onto the concrete floor from a height of 1 m three times. The filter shall fulfil the specifications in table 1.
5. Vibration
Subject the device to vibration for two hours each in x, y and z axes with amplitude of 1.5 mm at 10to 55 Hz. The filter shall fulfil the specifications in table 1.

Remarks for 315MHz SAW Resonator Usage
1. Static voltage
Please avoid static voltage between signal load and ground, it may cause deteriorationor destruction of the SAW resonator components.
2. Ultrasonic cleaning
Please avoid ultrasonic cleaning, it may cause deteriorationor destruction of the SAW resonator components.
3. Soldering
Please avoid soldering different parts of the SAW resonator components, just leads may be soldered.

Packing of 315MHz SAW Resonator
1. Dimensions
(1) Carrier Tape: Figure 1
(2) Reel: Figure 2
(3) The 315MHz SAW resonator shall be packed properly to avoid damage during transportation or storage.
2. Reeling Quantity
1000 pieces/reel 7"
3000 pieces/reel 13"
3. Taping Structure
(1) The tape shall be wrapped around the reel in the direction shown below.

(2) Label
Device Name
User Product Name
Quantity
Lot No.

(3) Leader part and vacant position specifications.

Tape Specifications of 315MHz SAW Resonator
1. Tensile Strength of Carrier Tape: 4.4N/mm width
2. Top Cover Tape Adhesion(See the below figure)
(1) Pull off angle: 0~15º
(2) Speed: 300mm/min.
(3) Force: 20~70g

[Figure 1] Carrier Tape Dimensions

W F E P0 P1 P2 D0 D1 t1 t2 A B
12.0 ±0.3 5.5 ±0.05 1.75 ±0.1 4.0 ±0.1 4.0 ±0.1 2.0 ±0.05 Ø1.5 ±0.1 Ø1.0 ±0.25 0.3 ±0.05 1.25 ±0.1 3.3 ±0.1 3.3 ±0.1

[Unit: mm]

[Figure 2]
As a professional 315MHz SAW resonator manufacturer in China, we also offer 868MHz SAW filter, ASK RF receiver module, TCXO, and crystal resonator and other devices.

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