1. Small size, light weight, UM-1MJ SMT package 7.8 × three point one × 8.0mm
2. Wide frequency range, 10.7MHz~45MHz
3. Resistance welding sealing
4. Compliant with RoHS standards and lead-free
5. Applied to wireless communication, wireless communication, automotive electronics, communication, smart grid and other products
| Channel Spacing (KHz) | Model | No. of ploes |
Pass Bandwidth |
Stop Bandwidth |
Ripple | Insertion Loss |
Guaranteed Attenuation |
Terminating Impedance |
Package |
|||||
| dB | KHz (min.) | dB | KHz (max.) | dB (max.) | dB (max.) | dB | KHz | ohms // pF | Tandem set | One Package | ||||
|
12.5 |
21M7.5A |
2 | 3 | ±3.75 | 20 | ±18 |
0.5 |
1.5 | 35 |
±300~±1000 |
850 // 6.0 |
UM-1MJ |
||
|
21M7.5B |
4 | 3 |
±3.75 |
40 |
±15 |
1.0 | 2.5 | 65 |
±300~±1000 |
850 // 5.0 |
UM-MJ a pair |
|||
|
21M7.5C |
6 | 3 |
±3.75 |
45 |
±8.75 |
2.0 | 3.5 | 65 |
±12.5~±300 |
850 // 5.0 |
3 pcs |
S1 | ||
|
21M7.5D |
8 | 3 |
±3.75 |
65 |
±8.75 |
2.0 | 4.0 | 90 |
±12.5~±300 |
850 // 5.0 |
4 pcs |
S2 | ||
|
20.0 |
21M12A |
2 | 3 |
±6.0 |
18 |
±25 |
0.5 | 2.0 | 35 |
±300~±1000 |
1.2K // 3.0 |
UM-1MJ |
||
|
21M12B |
4 | 3 |
±6.0 |
40 |
±20 |
1.0 | 2.5 | 65 |
±300~±1000 |
1.2K // 2.5 |
UM-1MJ a pair |
|||
|
21M12C |
6 | 3 |
±6.0 |
45 |
±15 |
2.0 | 4.0 | 65 |
±20~±300 |
1.2K // 2.5 |
3 pcs | S1 | ||
|
21M12D |
8 | 3 |
±6.0 |
65 |
±15 |
2.0 | 2.0 | 90 |
±20~±300 |
1.2K // 2.5 | 4 pcs | S2 | ||
|
25.0 |
21M15A | 2 | 3 |
±7.5 |
18 |
±25 |
0.5 | 1.5 | 35 |
±300~±1000 |
1.5K // 2.0 |
UM-1MJ |
||
|
21M15B |
4 | 3 |
±7.5 |
40 |
±25 |
1.0 | 2.5 | 55 |
±300~±1000 |
1.5K // 2.0 |
UM-1MJ a pair |
|||
|
21M15C |
6 | 3 |
±7.5 |
45 |
±18 |
2.0 | 3.0 | 65 |
±25~±300 |
1.5K // 2.0 |
3 pcs |
S1 | ||
|
21M15D |
8 | 3 |
±7.5 |
65 |
±18 |
2.0 | 4.0 | 90 |
±25~±300 |
1.5K // 2.0 |
4 pcs |
S2 | ||
|
50.0 |
21M30A |
2 | 3 |
±15 |
15 |
±45 |
0.2 | 1.5 | 30 |
±300~±1000 |
1.5K // 1.0 |
UM-1 |
||
|
21M30B |
4 | 3 |
±15 |
30 | ±50 |
1.0 |
2.5 | 30 |
±300~±1000 |
2.2K // 0.5 |
UM-1MJ a pair |
|||
|
21M30C |
6 | 3 |
±15 |
60 | ±35 |
2.0 |
3.0 | 65 |
±45~±300 |
2.2K // 0.5 |
3 pcs |
S1 | ||
|
21M30D |
8 | 3 |
±15 |
60 | ±35 |
2.0 |
3.5 | 90 |
±50~±300 |
2.2K // 0.5 |
4 pcs |
S2 | ||
|
If you want to know more specifications, please contact with out sales department directly. |
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45MHz @ Monolithic Crystal Filters Electrical Specifications:
|
Channel Spacing (KHz) |
Model |
No. of ploes |
Pass Bandwidth |
Stop Bandwidth |
Ripple |
Insertion Loss |
Guaranteed Attenuation |
Terminating Impedance |
Package |
||||
| dB |
KHz (min.) |
dB |
KHz (max.) |
dB (max.) |
dB (max.) |
dB |
KHz |
ohms // pF |
Type |
||||
|
12.5 |
45M7.5A |
2 | 3 | ±3.75 | 10 | ±12.5 | 1.0 | 2.0 | 65 |
±300~±1000 |
200 // 4.0 | UM-5 | UM-1 |
|
45M7.5B |
4 | 3 |
±3.75 |
30 | ±12.5 | 1.0 | 4.0 | 80 |
±300~±1000 |
350 // 6.5 |
UM-5 a pair |
UM-1 a pair |
|
|
25.0 |
45M15A |
2 | 3 |
±7.5 |
15 | ±25 | 1.0 | 2.0 | 35 |
±300~±1000 |
650 // 3.0 |
UM-5 |
UM-1 |
|
45M15B |
4 | 3 |
±7.5 |
30 | ±25 | 1.0 | 3.0 | 80 |
±300~±1000 |
650 // 3.0 |
UM-5 a pair |
UM-1 a pair |
|
|
50.0 |
45M30A |
2 | 3 |
±15 |
15 | ±60 | 1.5 | 2.5 | 35 |
±300~±1000 |
1.2K // 0 |
UM-5 |
UM-1 |
|
45M30A |
4 | 3 |
±15 |
30 | ±50 | 1.0 | 3.0 | 80 |
±300~±1000 |
1.2K // 0.7 |
UM-5 a pair |
UM-1 a pair |
|
|
If you want to know more specifications, please contact with out sales department directly. |
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