RM7/I-3C90

## _**FERROXCUBE**_ 

**RM7/I** RM, RM/I, RM/ILP cores and accessories 

Supersedes data of September 2004 2008 Sep 01 

**==> picture [347 x 67] intentionally omitted <==**

Ferroxcube 

## RM, RM/I, RM/ILP cores and accessories 

## RM7/I 

## **CORE SETS** 

## **Effective core parameters** 

|**SYMBOL**|**PARAMETER**|**VALUE**|**UNIT**|
|---|---|---|---|
|Σ(I/A)|core factor (C1)|0.680|mm−1|
|Ve|effective volume|1325|mm3|
|Ie|effective length|30.0|mm|
|Ae|effective area|44.1|mm2|
|Amin|minimum area|39.6|mm2|
|m|mass of set|≈7.5|g|



**==> picture [242 x 277] intentionally omitted <==**

**----- Start of picture text -----**<br>
handbook, halfpage<br>0<br>17.2 0.7<br>3.3<br>9.3<br>0<br>20.3<br>0.8<br>0<br>O 7.25<br>0.3<br>11.3 0.5 13.4<br>8.4<br>    0.25 0     0.1<br>MGC065<br>0.6<br>O 14.75<br>0<br>Dimensions in mm.<br>Fig.1  RM7/I core set.<br>**----- End of picture text -----**<br>


## **Core sets for general purpose transformers and power applications** 

Clamping force for AL measurements 40 ±20 N. 

|Clamping forc|e for ALmeasurements 40|±20 N.|||
|---|---|---|---|---|
|**GRADE**|**AL**<br>**(nH)**|µ**e**|**AIR GAP**<br>**(**µ**m)**|**TYPE NUMBER**|
|3C90|100±3%|≈54|≈730|RM7/I-3C90-A100|
||160±3%|≈87|≈410|RM7/I-3C90-A160|
||250±3%|≈135|≈240|RM7/I-3C90-A250|
||3000±25%|≈1620|≈0|RM7/I-3C90|
|3F3|100±3%|≈54|≈730|RM7/I-3F3-A100|
||160±3%|≈87|≈410|RM7/I-3F3-A160|
||250±3%|≈135|≈240|RM7/I-3F3-A250|
||2500±25%|≈1350|≈0|RM7/I-3F3|



## **Properties of core sets under power conditions** 

|**GRADE**|**B (mT) at**<br>**H = 250 A/m;**<br>**f = 25 kHz;**<br>**T = 100** °**C**|**CORE LOSS (W) at**|**CORE LOSS (W) at**|**CORE LOSS (W) at**|
|---|---|---|---|---|
|||**f = 25 kHz;**<br>**= 200 mT;**<br>**T = 100** °**C**<br>**B**ˆ|**f = 100 kHz;**<br>**= 100 mT;**<br>**T = 100**°**C**<br>**B**ˆ|**f = 400 kHz;**<br>**= 50 mT;**<br>**T = 100** °**C**<br>**B**ˆ|
|3C90|≥320|≤0.16|≤0.17|−|
|3F3|≥315|−|≤0.15|≤0.25|



2008 Sep 01 

1233 

Ferroxcube 

## RM, RM/I, RM/ILP cores and accessories 

## RM7/I 

## **COIL FORMER** 

## **General data** 

|**General data**||
|---|---|
|**PARAMETER**|**SPECIFICATION**|
|Coil former material|phenolformaldehyde (PF), glass-reinforced, flame retardant<br>in accordance with UL 94V-0; UL file number E167521(M)|
|Pin material|copper-tin alloy(CuSn), tin (Sn) plated|
|Maximum operatingtemperature|180°C,_“IEC 60085”,_class H|
|Resistance to solderingheat|_“IEC 60068-2-20”_, Part 2, Test Tb, method 1B, 350°C, 3.5 s|
|Solderability|_“IEC 60068-2-20”_, Part 2, Test Ta, method 1|



**==> picture [497 x 235] intentionally omitted <==**

**----- Start of picture text -----**<br>
0<br>handbook, full pagewidth 15.24 8.3 0.15 1 [0] 0.1 2.54<br>10.16 (6.85 min)<br>5.08 0.45 0.75<br>2 3 4<br>1 min O 0.8<br>1.8 5<br>0 0<br>O 14.65 O 8.3<br>0.2 0.1<br>1<br>9.4<br>8 7 6 0.4<br>0.9<br>MGC066<br>5.5 0.15<br>1.3<br>0<br>Dimensions in mm.<br>Fig.2  RM7/I coil former.<br>**----- End of picture text -----**<br>


## **Winding data and area product for RM7/I coil former** 

|**NUMBER**<br>**OF**<br>**SECTIONS**|**NUMBER**<br>**OF**<br>**PINS**|**PIN**<br>**POSITIONS**<br>**USED**|**AVERAGE**<br>**LENGTH**<br>**OF TURN**<br>**(mm)**|**WINDING**<br>**AREA**<br>**(mm2)**|**WINDING**<br>**WIDTH**<br>**(mm)**|**AREA**<br>**PRODUCT**<br>**Ae x Aw**<br>**(mm4)**|**TYPE NUMBER**|
|---|---|---|---|---|---|---|---|
|1|4|1, 2, 5, 6|35|21|6.85|926|CSV-RM7-1S-4P|
|1|8|all|35|21|6.85|926|CSV-RM7-1S-8P|
|2|8|all|35|2×9.8|2×3.2|2 x 432|CSV-RM7-2S-8P|
|1|5|1, 2, 4, 5, 8|35|21|6.85|926|CSV-RM7-1S-5P|
|2|5|1, 2, 4, 5, 8|35|2×9.8|2×3.2|2 x 432|CSV-RM7-2S-5P|



2008 Sep 01 

1234 

Ferroxcube 

RM, RM/I, RM/ILP cores and accessories 

RM7/I 

## **MOUNTING PARTS** 

## **General data** 

|**General data**||
|---|---|
|**ITEM**|**SPECIFICATION**|
|Clampingforce|≈20 N|
|Clip material|steel|
|Clip plating|tin (Sn)|
|Solderability|_“IEC 60068-2-20”_,<br>Part 2, Test Ta, method 1|
|Type number|CLI/P-RM7|



**==> picture [242 x 306] intentionally omitted <==**

**----- Start of picture text -----**<br>
handbook, halfp 2.5 age<br>12.9 10.5<br>R35<br>0.55 5.2<br>MGC067<br>Dimensions in mm.<br>Fig.3  Mounting clip for RM7/I.<br>**----- End of picture text -----**<br>


2008 Sep 01 

1235 

Ferroxcube 

## RM, RM/I, RM/ILP cores and accessories 

## RM7/I 

## **COIL FORMER** 

## **General data** 

|**General data**||
|---|---|
|**PARAMETER**|**SPECIFICATION**|
|Coil former material|phenolformaldehyde (PF), glass-reinforced, flame retardant<br>in accordance with UL 94V-0; UL file number E41429 (M)|
|Pin material|copper-tin alloy(CuSn), tin (Sn) plated|
|Maximum operatingtemperature|155°C,_“IEC 60085”,_class F|
|Resistance to solderingheat|_“IEC 60068-2-20”_, Part 2, Test Tb, method 1B, 350°C, 3.5 s|
|Solderability|_“IEC 60068-2-20”_, Part 2, Test Ta, method 1|



**==> picture [411 x 212] intentionally omitted <==**

**----- Start of picture text -----**<br>
15.7 max<br>8.25  [0] 12.5<br>      − 0.15<br>0.9 6.6 min 0.5 5 2<br>2<br>2.8<br>15.8 ∅ 8.3    − 0.15 [0] 18.4 max 14.8<br>2<br>5 3.75<br>0.3 10.9 max 7.4 [+ ][0.15]<br>0<br>14.65    [0] MFP106<br>          − 0.25<br>Dimensions in mm.<br>Fig.4  RM7/I coil former, 8-pins.<br>**----- End of picture text -----**<br>


## **Winding data and area product for RM7/I coil former** 

|**NUMBER**<br>**OF**<br>**SECTIONS**|**NUMBER**<br>**OF**<br>**PINS**|**PIN**<br>**POSITIONS**<br>**USED**|<br>**AVERAGE**<br>**LENGTH**<br>**OF TURN**<br>**(mm)**|<br> <br>**WINDING**<br>**AREA**<br>**(mm2)**|**WINDING**<br>**WIDTH**<br>**(mm)**|**AREA**<br>**PRODUCT**<br>**Ae x Aw**<br>**(mm4)**|**TYPE NUMBER**|
|---|---|---|---|---|---|---|---|
|1|8|all|35|20|6.6|882|CSVS-RM7-1S-8P-Z|



2008 Sep 01 

1236 

Ferroxcube 

RM, RM/I, RM/ILP cores and accessories 

## RM7/I 

## **MOUNTING PARTS** 

## **General data** 

|**General data**||
|---|---|
|**ITEM**|**SPECIFICATION**|
|Clampingforce|≈20 N|
|Clip material|stainless steel (CrNi)|
|Type number|CLI-RM7|



**==> picture [201 x 235] intentionally omitted <==**

**----- Start of picture text -----**<br>
2.5<br>R 35<br>12.9<br>10.5<br>MFP107<br>Dimensions in mm.<br>Fig.5  Mounting clip for RM7/I.<br>**----- End of picture text -----**<br>


2008 Sep 01 

1237 

Ferroxcube 

RM, RM/I, RM/ILP cores and accessories 

## RM7/I 

## **DATA SHEET STATUS DEFINITIONS** 

|**DATA SHEET**<br>**STATUS**|**PRODUCT**<br>**STATUS**|**DEFINITIONS**|
|---|---|---|
|Preliminary<br>specification|Development|This data sheet contains preliminary data. Ferroxcube reserves the right to<br>make changes at any time without notice in order to improve design and<br>supplythe best possible product.|
|Product specification|Production|This data sheet contains final specifications. Ferroxcube reserves the right<br>to make changes at any time without notice in order to improve design and<br>supplythe best possible product.|



## **DISCLAIMER** 

 **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. Ferroxcube customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Ferroxcube for any damages resulting from such application. 

## **PRODUCT STATUS DEFINITIONS** 

|**STATUS**|**INDICATION**|**DEFINITION**|
|---|---|---|
|**Prototype**||These are products that have been made as development samples for the purposes of<br>technical evaluation only. The data for these types is provisional and is subject to<br>change.|
|**Design-in**||These products are recommended for new designs.|
|**Preferred**||These products are recommended for use in current designs and are available via our<br>sales channels.|
|**Support**||These products are**not**recommended for new designs and may not be available<br>through all of our sales channels. Customers are advised to check for availability.|



2008 Sep 01 

1238