• slide crystals 1
  • slide crystals 2
  • Finished resistance welded crystals in HC49U and HC52U variations
  • Finished resistance welded crystals in HC49U and HC52U variations

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Basic Parameters of Delipro Crystals

 

Crystal cut: AT
Vibration mode: thickness shear
Method of closure: RW - Resistance Weld
Enclosure: SMD - surface mount in metal package
THL - through-hole in metal package
Packing: bulk
tape & reel - paper
tape & reel - blister

 

Type Can height max. (H) [mm]     Frequency range [MHz]
Fundamental 3rd Overtone 5th Overtone
HC52/U 5.1   18 39 35 90    
6 (UM5) 8 39 44 90 70 150
8 (UM1) 4 39 32 122 70 175
8.8   4 39 27 96 70 150
HC49/U 5.1 SH51 * 4 20        
6.6 SH66 * 4.97 20        
11.4 reduced height 2.5 35 45 70    
13.5 standard 2.5 35 28 77 100 128
 *) SH - Short height

 

Quartz crystal unit HC49/U


Choose product:

 

 

HC49/U
Type: HC49/U, RW
Aplication:

UHF/ VHF - standard
TCXO, VCXO
automotive ( 4 - 20 MHz )

Crystal cut: AT
Frequency range [MHz]:

2.5 ~ 35 Fundamental
28 ~ 77 3rd Overtone
100 ~ 128 5th Overtone

Load capacitance [pF]: 10 ~ 30 or Series
Frequency tolerance at 25°C [ppm]: ± 5 ~ ± 50
Operating temperature range [°C]: -40 /+125
Frequency stability over temperature range [ppm]: ± 5 ~ ± 80 See table 1
Equivalent series resistance [Ω]: See table 2
Drive level [μW]: typically 100 (1000 max)
Insulation resistance [MΩ]: 500
Storage temperature range [°C]: -55 /+125
Enclosure: See drawing
Can height max. (H) [mm]: 11.4 or 13.5

 

 

Table 1: Frequency stability over temperature range

Temperature range [°C] Frequency stability [ppm]
± 5 ± 10 ± 15 ± 30 ± 80
0 - 70 x x x x x
-10 - 60 x x x x x
-20 - 70 x x x x x
0 - 85   x x x x
-20 - 85   x x x x
-30 - 80     x x x
-40 - 105       x x
-40 - 125         x

Table 2: Equivalent Series Resistance (ESR)

Mode Frequency[MHz] ESR [Ω]
Fundamental 2.5 350
  3.5 ~ 4.99 120
  5 ~ 9.99 60
  10 ~ 35 30
3rd Overtone 28 ~ 77 40
5th Overtone 100 ~ 128 80

 

 

Enclosure drawings

THL

HC49/U THL

SMD CS20

HC49/U CS20

SMD CS21

HC49/U CS21

SMD CS22

HC49/U CS22

 

SH51


 

SH51
Type: HC49/U - SH51, RW
Aplication:

UHF/ VHF - standard
microprocessor, automotive

Crystal cut: AT
Frequency range [MHz]: 4 ~ 20
Load capacitance [pF]: 12 ~ 30
Frequency tolerance at 25°C [ppm]: ± 50
Operating temperature range [°C]: -40 /+125
Frequency stability over temperature range [ppm]: ± 100
Equivalent series resistance [Ω]: See table 2
Drive level [μW]: typically 100 (1000 max)
Insulation resistance [MΩ]: 500
Storage temperature range [°C]: -55 /+125
Enclosure: HC49/U See drawing
Can height max. (H) [mm]: 5.1

 

 

Table 1: Typical Frequency [MHz]

Fundamental 4.000 4.194 4.030 4.970
  7.900 8.000 10.000 10.240
  16.000 18.000 20.000  

Table 2: Equivalent Series Resistance (ESR)

Frequency[MHz] ESR [Ω]
4 300
4.97 150
6 ~ 7.9 100
8 80
10 ~ 12 30
16 ~ 20 50

 

 

Enclosure drawings

 

SH66


 

SH66
Type: HC49/U - SH66, RW
Aplication:

UHF/ VHF - standard
microprocessor, automotive

Crystal cut: AT
Frequency range [MHz]: 8 ~ 20
Load capacitance [pF]: 12 ~ 30
Frequency tolerance at 25°C [ppm]: ± 50
Operating temperature range [°C]: -40 /+125
Frequency stability over temperature range [ppm]: ± 100
Equivalent series resistance [Ω]: See table 2
Drive level [μW]: typically 100 (1000 max)
Insulation resistance [MΩ]: 500
Storage temperature range [°C]: -55 /+125
Enclosure: HC49/U See drawings
Can height max. (H) [mm]: 6.6

 

 

Table 1: Typical Frequency [MHz]

Fundamental 8.000 10.000 10.240
  12.000 15.800 16.000

Table 2: Equivalent Series Resistance (ESR)

Frequency[MHz] ESR [Ω]
4.97 120
8 ~ 10.24 80
12 90
16 ~ 18 60
20 25

 

 

Enclosure drawings

THL

SMD CS20

SMD CS21

SMD CS22

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