Philips RM7-I installation Guide

MAGNETIC PRODUCTS

DATA SH EET

RM7/I

RM cores and accessories

Product specification
File under Magnetic Products, MA01

1997 Nov 21

Philips Components Product specification

RM cores and accessories RM7/I

CORE SETS
Effective core parameters

SYMBOL PARAMETER VALUE UNIT

Σ(I/A) core factor (C1) 0.680 mm
V

e

I

e

A

e

A

min

effective volume 1325 mm
effective length 30.0 mm
effective area 44.1 mm
minimum area 39.6 mm

m mass of set ≈7.7 g

−1
3

2
2

handbook, halfpage

0

17.2

0.7

3.3

9.3
0

20.3

0.8

0

7.25

O

0.3

11.3

0.25

Dimensions in mm.

O

14.75

0.6
0

8.4

0.5
0

MGC065

Fig.1 RM7/I core set.

Core sets for general purpose transformers and power applications

Clamping force 40 ±20 N.

GRADE

A

L

(nH)

µ

e

AIR GAP

(µm)

TYPE NUMBER

3B8 160 ±3% ≈89 ≈400 RM7/I-3B8-A160

250 ±3% ≈139 ≈200 RM7/I-3B8-A250

3000 ±25% ≈1670 ≈0 RM7/I-3B8

3C85 100 ±3% ≈56 ≈800 RM7/I-3C85-A100

160 ±3% ≈89 ≈400 RM7/I-3C85-A160
250 ±3% ≈139 ≈200 RM7/I-3C85-A250

2700 ±25% ≈1500 ≈0 RM7/I-3C85
3C90 2700 ±25% ≈1500 ≈0 RM7/I-3C90
3F3 100 ±3% ≈56 ≈800 RM7/I-3F3-A100

160 ±3% ≈89 ≈400 RM7/I-3F3-A160
250 ±3% ≈139 ≈200 RM7/I-3F3-A250

2500 ±25% ≈1390 ≈0 RM7/I-3F3

13.4

0.1

1997 Nov 21 2