902MHz Base Station SAW Filter

902MHz Base Station SAW Filter
HDF902E S-6

Scope
This specification covers the characteristics of 902MHz base station SAW filter with 902MHz centre frequency used for remote-controlsecurity.

Electrical Specification of 902MHz Base Station SAW Filter

Table 1
Electrical Characteristics of 902MHz Base Station SAW Filter

 

Marking of 902MHz Base Station SAW Filter
HD: Brand
F: Filter

6:SMD-6

938:No.

Environmental Characteristics of 902MHz Base Station SAW Filter
1. Hightemperature exposure
Placing the 902MHz base station SAW filter at 85 ℃ for sixteen hoursand then releasing the filter into a room with normal temperatureconditions for twenty-four hours prior to the measurement, it shall fulfil thespecifications in table 1
2. Low temperature exposure
Placing the 902MHz base station SAW filter at -40 ℃ for sixteen hoursand then releasing the device into a room with normal temperatureconditions for twenty-four hours prior to the measurement, it shall fulfil thespecifications in table 1
3. Temperature cycling
The 902MHzbase station SAW filter must be in a place with lowtemperature, -40 ℃ for 30 minutes, following by ahigher temperature of 85℃ for 30 minutes. Whenthe device is released into a room with normal temperature conditions for24 hours prior to the measurement, it shall meet thespecifications in table 1.
4. Resistance tosolder heat
If the SAW filter terminals are immerse no closer than 1.5 mm into the solder bath at 260℃ ±10℃ for 10±one second an then release itinto a room with normal temperature conditions for four hours, it shall meet thespecifications in table 1.
5. 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 withnew solder; the 902MHz base stationSAW filter shall meet thespecifications in table 1.
6. Mechanicalshock
Drop the 902MHz base stationSAW filter randomly onto the concrete floor from a height of 1 m three times. The filter shall fulfil thespecifications in table 1.
7. Vibration
Subject the device to vibration for 2 hour each in x, y and z axes withamplitude of 1.5 mm at 10 to 55 Hz. The filtershall fulfil the specifications in table 1.

Remarks for 902MHz Base Station SAW Filter Usage
1. Static voltage
Please avoid static voltagebetween signal load and ground, it may cause deteriorationor destruction of the base station SAW filter components.
2. Ultrasonic cleaning
Please avoid ultrasonic cleaning, it may cause deterioration ordestruction of the base station SAW filter components.
3. Soldering
Please avoid soldering different parts of the base station SAW filter components, just leads may be soldered. 

Packing of 902MHz Base Station SAW Filter
1. Dimensions
(1) Carrier Tape: Figure 1
(2) Reel: Figure 2
(3) The 902MHz base station SAW filter shallbe 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 wrappedaround the reel in the direction shown below.  

(2) Label

(3) Leader part and vacantposition specifications.

Tape Specifications of 902MHz Base Station SAWFilter
1. Tensile Strength of Carrier Tape:4.4N/mm width
2. Top Cover Tape Adhesion(See the belowfigure)
(1) Pull off angle: 0~15º
(2) Speed: 300mm/min.
(3) Force: 20~70g

[Figure 1] Carrier Tape Dimensions
[Unit: mm]

 
[Figure 2]
[Unit: mm]

Shoulder is an experienced 902MHz base station SAW filter manufacturer based inChina.We offer a wide range of products, including TCXO, SAW resonator, RF module,and crystal resonator among others.