17 August 2010
Specification for monolithic crystal filter:
1. General
1.1. Package:
MQF 21.4-3000/58
1.2.
1.3.
1.4.
1.5.
2.
2.1.
2.2.
Type name:
Number of poles:
Operating temperature range:
Storage temperature range:
Electric values
Nominal centre frequency fo:
Pass band
MQF 21.4-3000/58
6
-40°C to +85°C
-55°C to +85°C
21.4 MHz
2.2.1. Bandwidth between 3 dB - frequencies:
2.2.2. Ripple at fo 10 kHz
2.2.3. Insertion loss:
( measured on smallest attenuation in pass band )
2.3.
Stop band
35 kHz
50 kHz
70 kHz……fo
> fo 15 kHz
< 2.0 dB
< 2.5 dB
2.3.1. fo
2.3.2. fo
2.3.3. fo
500 MHz ):
> 45 dB
> 65 dB
> 80 dB except spurious
2700 // 0 pF
+10 dBm / +25 dBm
2.4. Terminating impedance R//C (input and output):
2.5. Maximum input power ( working / non-damaged ):
3.
Marking:
manufacturer, date code
MQF 21.4-3000/58
Corresponding to Vectron standard CF001
4.
5.
Environment conditions:
Reflow profile corresponding to IPC / JEDEC J-STD-020C
temperature ( T )
t
L
t
p
critical zone
Tp
ramp-up
TL
ramp-up
ramp down
preheat ( ts )
Ts max
Ts min
t 25°C to peak
time ( t )
Profile feature
Average ramp-up rate ( TL to Tp )
Average ramp-up rate ( Tsmax to TL )
Preheat:
- Temperature Min Tsmin
- Temperature Min Tsmax
- Time ts ( Tsmin to Tsmax )
Pb-free assembly
large body
small body
3°C / second max.
3°C / second max.
150°C
200°C
60-180 seconds
Time maintained above:
- Temperature TL
217°C
- Time tL
60-150 seconds
Peak temperature Tp
260 +0/-6°C
Time within 5°C of actual peak
10-30 seconds
20-40 seconds
temperature Tp
Ramp-down rate
6°C / second max.
Time 25°C to peak temperature
8 minutes max.
All temperatures refer to topside of the package, measured on body surface of the
package
6. packing: tape & reel, reel diameter 330mm, maximum 600 pcs. / reel
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date: __________________________ name: ___________________________________
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