ETC 4322-025

FERRITE CERAMICS
DATA SHEET
RM12/I
RM cores and accessories
Product specification
Supersedes data of November 1997
File under Ferrite Ceramics, MA01
1999 Dec 23
Philips Components
Product specification
RM cores and accessories
RM12/I
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
handbook, halfpage
VALUE
0
29.8 1.1
UNIT
Σ(I/A)
core factor (C1)
0.388
mm−1
Ve
effective volume
8340
mm3
Ie
effective length
56.6
mm
Ae
effective area
146
mm2
Amin
minimum area
125
mm2
m
mass of set
≈45
g
16.1
0
5
0.5
12.9
0
37.4 1.3
,,,,
,,,,
,,,,
,,,,
0
O 12.8 0.4
21.6
0.25
0.6 24.5
16.8 0
0.1
1
O 25 0
MGC103
Dimensions in mm.
Fig.1 RM12/I core set.
Core sets for general purpose transformers and power applications
Clamping force for AL measurements, 70 ±20 N.
GRADE
3C90
µe
160 ±3%
≈49
≈1400
RM12/I-3C90-A160
250 ±3%
≈77
≈800
RM12/I-3C90-A250
315 ±5%
≈97
≈550
RM12/I-3C90-A315
400 ±5%
≈123
≈450
RM12/I-3C90-A400
RM12/I-3C90-A630
630 ±5%
≈196
≈300
≈0
160 ±3%
≈49
≈1400
RM12/I-3C94-A160
250 ±3%
≈77
≈800
RM12/I-3C94-A250
315 ±5%
≈97
≈550
RM12/I-3C94-A315
400 ±5%
≈123
≈450
RM12/I-3C94-A400
RM12/I-3C94-A630
630 ±5%
3C96
1999 Dec 23
TYPE NUMBER
≈1910
6200 ±25%
3C94
AIR GAP
(µm)
AL
(nH)
RM12/I-3C90
≈196
≈300
6200 ±25%
≈1910
≈0
RM12/I-3C94
5500 ±25%
≈1510
≈0
RM12/I-3C96
2
Philips Components
Product specification
RM cores and accessories
GRADE
3F3
RM12/I
AL
(nH)
µe
160 ±3%
≈49
AIR GAP
(µm)
TYPE NUMBER
≈1400
RM12/I-3F3-A160
250 ±3%
≈77
≈800
RM12/I-3F3-A250
315 ±5%
≈97
≈550
RM12/I-3F3-A315
400 ±5%
≈123
≈450
RM12/I-3F3-A400
≈196
≈300
RM12/I-3F3-A630
≈1560
≈0
630 ±5%
5050 ±25%
RM12/I-3F3
Properties of core sets under power conditions
B (mT) at
CORE LOSS (W) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
f = 25 kHz;
ˆ = 200 mT;
B
T = 100 °C
f = 100 kHz;
ˆ = 100 mT;
B
T = 100 °C
f = 100 kHz;
ˆ = 200 mT;
B
T = 100 °C
f = 400 kHz;
ˆ = 50 mT;
B
T = 100 °C
3C90
≥315
≤1.00
≤1.06
−
−
3C94
≥315
−
≤0.8
≈3.5
≈1.8
3C96
≥320
−
≈0.55
≈2.5
≈1.3
3F3
≥315
−
≤0.92
−
≤1.60
GRADE
1999 Dec 23
3
Philips Components
Product specification
RM cores and accessories
RM12/I
COIL FORMER
General data
PARAMETER
SPECIFICATION
Coil former material
polybutyleneterephtalate (PBT), glass-reinforced, flame retardant
in accordance with UL 94V-0; UL file number E45329(R)
Pin material
copper-tin alloy (CuSn), tin-lead alloy (SnPb) plated
Maximum operating temperature
155 °C, IEC 60085 class F
Resistance to soldering heat
“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
16.5 0
−0.2
5.08
5.08
5.08
5.08
3.7 0
−0.1
(14.3 min.)
1.2
0.7
5.08
3.2
2.54
0.3
0.05
handbook, full pagewidth
1.3 +0.15
0
33.0216.5 13 +0.2
0
26 38.4
∅24.7 0 ∅14.5 0
−0.2
−0.2
∅1
3.4
3
4.8
1.6 +0.15
0
CBW533
28.4
Dimensions in mm.
Fig.2 RM12/I coil former (DIL).
Winding data for RM12/I coil former (DIL)
NUMBER OF
SECTIONS
AVERAGE
LENGTH OF
TURN
(mm)
WINDING
AREA
(mm2)
WINDING
WIDTH
(mm)
1
61
75.0
14.3
1999 Dec 23
4
TYPE NUMBER
CPV-RM12/I-1S-12PD
Philips Components
Product specification
RM cores and accessories
RM12/I
MOUNTING PARTS
General data
ITEM
Clamping force
≈35 N
Clip material
stainless steel
Clip plating
tin-lead alloy (SnPb)
Solderability
“IEC 60068-2-20”,
Part 2, Test Ta, method 1
Type number
4.5
SPECIFICATION
olumns
23.7
R 55
20.4
CLI/P-RM12/I
5.3
CBW532
0.9
Dimensions in mm.
Fig.3 Mounting clip for RM12/I.
1999 Dec 23
5