O-CS41 Series

41 x 30 x 16 mm

Datasheet #2213A

Precision Ultra Low Phase Noise OCXO in 41x30mm SMD Package with

OSC Disable and Oven Alarm features for Instrumentation

Revision [B]: 12/19/2023

www.nelfc.com

Electrical (cont.)

Parameters

Symbol

Condition

Min

Typ

Max

Unit

Notes

Output Short

Circuit Current Vref

Io

20

mA

E grade

Pull range

from nominal F

±0.3

±0.5

±0.8

ppm

Absolute Pull Range

APR

Over all conditions

±0.05

ppm

Sufficient for lifetime, 15

years

Deviation slope

Monotonic, positive

0.15

0.25

ppm/V

Tuning Linearity

10%

Initial Calibration

∆

F/F

As shipped at 25°C,

Vc = 2.50 V

±0.1

ppm

L, P, and U grades

±0.03

E grade

Stability

Vc0

@25°C, Fnom.

2.5 ± 0.3

V

3*

Oven Ready

(N/A for E grade)

V pad #2

3.3

0.5

V

Ready

Not Ready

Oscillator Enable

CMOS Logic “1”

(5.0V>V>2.4) or

floating

Logic “0” (V<0.5V)

Enabled

Disabled

V

Oscillation stops 5*

Modulation Bandwidth

Fm

-3 dB at 1 KHz

DC

1

KHz

Environmental and Mechanical

Parameter

Description

Operating Temperature Range

-10°C to 75°C. Operable range -10°C to 80°C, meaning that stability from 75°C to 80°C of ±

5 ppb may not be met, otherwise OCXO will function. 0°C to 75°C for E grade

Mechanical Shock

Per MIL-STD-202, 30G, 11ms

Vibration

Per MIL-STD-202, 5G to 2000Hz

Soldering Conditions

See profile below. The device may be reflowed once. Reflowing upside down is not allowed.

Hand soldering is highly encouraged. NO CLEAN assembly is recommended