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NC15LF

Thru-Hole Tuning Fork

Fox Electronics 

1. Mounting Precautions

1.1 Lead Type Crystal Units

1.1.1. Structure

Tubular crystal units are hermetically sealed using glass (see Figures 1 and 2).

Hermetic

Glass

Case

Case

Lead

Figure 1

Lead

Figure 2

Hermetic

Glass

1.1.2 Unbending the lead

(1) DO NOT pull the lead excessively if unbending a lead or removing a crystal unit. The excessive force may

crack the glass and reduce the degree of vacuum. This may eventually result in deterioration of the

characteristics and may also break the crystal chip see Figure 3).

(2) Unbend the lead by pressing on the bent part from both the upper and lower sides with fixing the bottom of

lead tightly. (see Figure 4).

Breakage

Pull out

Tweezers or

needle-nose pliers

Case

Figure 3

Lead

Figure 4

Page 1 of 2

7/7/2011

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