TXCO
Series Number Package Description Last Modified
501 ~ 504 5 Leads DIP HCMOS / TTL / Clipped Sine Jan. 01 2007
FEATURES
- High stable output over wide temperature range
- Industry standard 5 Lead
- RoHs / Lead Free compliant RoHS Compliant TCXO
5 pin type thru hole tcxo
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS CONDITIONS 501 502 503 504 UNITS
Output - TTL HCMOS Clipped Sine  Compatible* -
Frequency Range fo 1.20 ~ 100.00 9.60 ~ 35.00 1.20 ~ 100.0 MHz
Output  Load 10TTL Load or 15pF HCMOS Load Max. 10K ohm // 10pF - -
Level High 2.4 VDC min. VDD -0.5 VDC min. 1.0 Vp-p min. - -
Low 0.4 VDC max. 0.5 VDC max.
Frequency Stability Vs. Temp Range See Table 1 -
Vs. Input Voltage (5%) ±0.5 max.  PPM
Vs. Load  ±0.3 max.  PPM
Vs. Aging (@+25°C) ±1.0 per year PPM
Input Voltage +5.0 ±5% / +3.3 ±5% VDC
Current 20 max. / 40 max. 3 max.  - mA
Frequency Adjustment - ±3.0 min. PPM
Rise Time / Fall Time - 10 max.  - - nS
Duty Cycle - 50 ±10% max. - - -
Storage Temperature (TSTG) -40 ~ +85 °C
Voltage Control Range - 2.5 VDC ±2.0 Positive Transfer Characteristic -
*Compatible (504 Series) meets TTL and HCMOS mode simultaneously
TABLE 1 -  FREQUENCY STABILITY - TEMPERATURE TOLERANCE
P/N Code Temperature
Range
Frequency Stability (PPM)
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
A 0 ~ +50°C x x x x x x x x
B -10 ~ +60°C x x x x x x x x
C -10 ~ +70°C O x x x x x x x
D -20 ~ +70°C O x x x x x x x
E -30 ~ +60°C - O x x x x x x
F -30 ~ +70°C - O x x x x x x
G -30 ~ +75°C - - x x x x x x
H -40 ~ +80°C - - - - x x x x
*Other Temperature and Frequency Stabilities may be available. Check with Oscilent for details.
x available all Frequency 
O avail up to 25MHz only
specification for 5 pin type temperature compensated crystal oscillator
PIN CONNECTIONS
#1 VCC
#2 OUTPUT
#3 V.C. or GND
#4 GND
#5 GND
PART NUMBER GUIDE
Series
Number
Frequency Voltage Supply Option Frequency Stability (max.) Operating Temp.
(°C)
Frequency Deviation 
502 - 4.0 M - 3 45 D - 5
Oscilent
501 = TTL
502 = HCMOS
503 = Clipped Sine Wave
504 = Compatible
Enter your desired frequency e.g. 12.0M = 12.000MHz
5 = 5VDC
3 = 3.3VDC
15 =  ±1.5 PPM
20 = ±2.0 PPM
25 = ±2.5 PPM
30 = ±3.0 PPM
35 = ±3.5 PPM
40 = ±4.0 PPM
45 = ±4.5 PPM
50 =  ±5.0 PPM
A =  0 ~ +50
B = -10 ~ +60
C = -10 ~ +70
D = -20 ~ +70
E = -30 ~ +60
F = -30 ~ +70
G = -30 ~ +75
H =  -40 ~ +80
NC = No Connection (TCXO)
05 = ±5 PPM min.
10 = ±10 PPM min.
NOTE: - Deviations on all parameters available.  Please consult Oscilent for details.
DEFINITIONS: - Click on the characteristic names above  for definitions of that particular characteristic.
*STANDARDS: - "Blank" part number selections indicate standard variables for that particular characteristic.
PACKAGING: - Add -TR for Tape/Reel. Click here for tape/reel specifications
Series No.:
501 to 504

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