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

Philips Components Product specification

RM cores and accessories RM7/I

Core sets of high permeability grades

Clamping force 25 ±10 N.

A

GRADE

L

(nH)

3E1 4750 ±25% ≈2570 RM7/I-3E1
3E4 6600 +40/−30% ≈3590 RM7/I-3E4
3E5 10000 +40/−30% ≈5370 RM7/I-3E5

Properties of core sets under power conditions

B (mT) at CORE LOSS (W) at

µ

e

TYPE NUMBER

GRADE

H = 250 A/m;

f=25kHz;

T = 100 °C

f = 25 kHz;

ˆ

= 200 mT;

B

T = 100 °C

f = 100 kHz;

ˆ

= 100 mT;

B

T = 100 °C

f = 400 kHz;

ˆ

=50mT;

B
T = 100 °C

3B8 ≥315 ≤0.40 −−
3C85 ≥315 ≤0.20 ≤0.24 −
3C90 ≥315 ≤0.15 ≤0.15 −
3F3 ≥315 −≤0.15 ≤0.25

COIL FORMER
General data

PARAMETER SPECIFICATION

Coil former material phenolformaldehyde (PF), glass-reinforced, flame retardant

in accordance with UL 94V-0; UL file number E167521(M)
Pin material copper-tin alloy (CuSn), tin-lead alloy (SnPb) plated
Maximum operating temperature 180 °C, IEC 85 class H
Resistance to soldering heat
Solderability

handbook, full pagewidth

15.24

10.16

5.08

2

4

3

1 min

“IEC 68-2-20”

“IEC 68-2-20”

0.45

, Part 2, Test Tb, method 1B, 350 °C, 3.5 s

, Part 2, Test Ta, method 1

0

8.3

0.15

(6.85 min)

1

0.75

0

0.1

2.54

O

0.8

0.05

9.4

5

0

14.65O

0.2

0

8.3O

0.1

0.4

1.8

1

678

Dimensions in mm.

Fig.2 RM7/I coil former.

1997 Nov 21 3

0.9

5.5

1.3

0.15
0

MGC066

Philips Components Product specification

RM cores and accessories RM7/I

Winding data for RM7/I coil former

NUMBER

OF

SECTIONS

NUMBER

OF

PINS

PIN

POSITIONS

USED

AVERAGE

LENGTH OF

TURN

(mm)

WINDING

AREA
(mm2)

WINDING

WIDTH

(mm)

1 4 1, 2, 5, 6 35 21 6.85 CSV-RM7-1S-4P
1 8 all 35 21 6.85 CSV-RM7-1S-8P
2 8 all 35 2 × 9.8 2 × 3.2 CSV-RM7-2S-8P

MOUNTING PARTS
General data

ITEM SPECIFICATION

handbook, halfpage

2.5

Clamping force ≈20 N
Clip material steel
Clip plating tin-lead alloy (SnPb)
Solderability

“IEC 68-2-20”

,

Part 2, Test Ta, method 1

Type number CLI/P-RM7

12.9 10.5

TYPE NUMBER

R35

0.55

Dimensions in mm.

Fig.3 Mounting clip for RM7/I.

5.2

MGC067

1997 Nov 21 4

Philips Components Product specification

RM cores and accessories RM7/I

DEFINITIONS

Data sheet status

Objective specification This data sheet contains target or goal specifications for product development.
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Product specification This data sheet contains final product specifications.

Application information

Where application information is given, it is advisory and does not form part of the specification.

LIFE SUPPORT APPLICATIONS

These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.

PRODUCT STATUS DEFINITIONS

STATUS INDICATION DEFINITION

Prototype
Design-in These products are recommended for new designs.
Preferred

Support

These are products that have been made as development samples for the purposes of
technical evaluation only . The data for these types is provisional and is subject to change.

These products are recommended for use in current designs and are available via our
sales channels.

These products are not recommended for new designs and may not be available through
all of our sales channels. Customers are advised to check for availability.

1997 Nov 21 5

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Tel. [phone], Fax. [phone].

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United Kingdom: Philips Components Ltd., DORKING,

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• Display and Wire Wound Components, ANN ARBOR, MI,
Tel. [phone], Fax. [phone].

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Marketing Communications, P.O. Box 218, 5600 MD EINDHOVEN,
The Netherlands, Fax. [phone].

COD16 © Philips Electronics N.V. 1997

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