W H Ferwalt

W.H. Ferwalt X0139 Oscillator 10.55 kHz Fixed Frequency Crystal Module

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SKU:
33872
MPN:
X0139
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
1.00 LBS
Shipping:
Calculated at Checkout
  • W.H. Ferwalt X0139 Oscillator 10.55 kHz – angled top view showing label with model, frequency, and serial number fields
  • W.H. Ferwalt X0139 Oscillator – top/rear view showing four wire leads protruding from black metal enclosure
  • W.H. Ferwalt X0139 Oscillator – close-up of label showing MOD: X0139, FREQ: 10.55 kHz, SER: 6451-032, W.H. Ferwalt Inc., Lapwai Idaho
$12.90
Was: $30.00
Current Stock: 1

Sold Out

Description

W.H. Ferwalt X0139 Oscillator 10.55 kHz Fixed Frequency Crystal Module

Fixed frequency crystal oscillator module manufactured by W.H. Ferwalt. Generates a stable 10.55 kHz output signal for use in timing and frequency control applications.

Specifications & What's Included

  • Model: X0139
  • Frequency: 10.55 kHz
  • Type: Fixed Frequency Crystal Oscillator Module
  • Form Factor: Enclosed module with wire leads
  • Manufactured: United States
  • Unit only; no additional components included

Applications

Fixed frequency oscillators of this type are used in telecommunications equipment, industrial timing circuits, and test instrumentation. The 10.55 kHz output is compatible with legacy telecom switching systems and frequency-dependent control circuits. Modules like this were commonly deployed in telephone exchanges, data transmission equipment, and laboratory test gear where stable reference frequencies are required.

Condition: Used
This W.H. Ferwalt X0139 fixed-frequency oscillator module has been inspected and appears to be in good condition. It has not been powered or tested at our facility. The enclosure and label are intact and legible, with normal light wear consistent with age. The four wire leads are present and undamaged. Please view our photo set and contact us if you have any questions.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
W.H. Ferwalt
Model:
X0139
MPN:
X0139
Type:
Fixed Frequency Crystal Oscillator Module
SKU:
33872
Frequency:
10.55 kHz
Output Type:
Fixed Frequency
Form Factor:
Enclosed Module with Wire Leads
Condition:
Used – Inspected, Not Bench-Tested
Country/Region of Manufacture:
United States
Seller Notes:
Unit only; inspected and in good cosmetic condition, not bench-tested
Condition Notes:
W.H. Ferwalt X0139 oscillator inspected and in good condition. Not bench-tested at our facility. Enclosure and label intact; wire leads present and undamaged. Please contact us with any questions.
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