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4078377511

更新时间： 2024-02-17 01:04:21

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4078377511 数据手册

Rods (4078375111)

Part Number: 4078375111

78 ROD

Explanation of Part Numbers:

– Digits 1 & 2 = Product Class

– Digits 3 & 4 = Material Grade

Pressed Fair- Rite rods are used extensively in high- energy storage designs.

These rods can also be used for inductive components that require temperature stability or have to accommodate large dc bias

requirements.

Figure 2 rods have a 0.6 mm (0.024 ) maximum chamfer on the end faces.

For frequency tuned rod designs see section Antenna/ RFID Rods .

For any rod requirement not listed here, feel free to contact our customer service group for availability and pricing.

The

dimension can be centerless ground to tighter tolerances.

Weight: 13 (g)

Dim mm mm tol

nominal inch

0.372

1.5

inch misc.

9.45 ±0.20

38.1 ±0.75

Figure 1 shows the rod permeability as a function of the length to diameter ratio for the six materials available in rods.

Figures 3, 4 and 5 illustrate typical temperature behavior of wound rods. Would rods in 33 and 77 material yield the best

temperature stable inductors, see Figure 4. Both show a typical inductance change of <1% over the -40° to 120°C

temperature range. The parts have a L/ D ratio of 8.1. Lower ratios will change less. This is shown in detail in Figure 5 for

the same 52 material but with the L/ D ratio as the parameter. A lower ratio means a lower rod permeability but with

improved temperature stability.

12 3

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