www.dubilier.co.uk

Power Flame Proof Resistors
Resistors
Operating temperature -55°C to +155°C
0.5W to 4W
Flame Proof
The DFR series is available in power ratings from 0.5W to 4W
With tolerances of 5% (E24) and 1% (E24 & E96)
OUTLINE DRAWING
Dimension
L
ØD
H
DFR050 3.4±0.3 1.9±0.2 28±2.0
DFR100 6.3±0.5 2.4±0.2 28±2.1
DFR200 9.0±0.5 3.9±03
26±2.0
DFR300SS 11.5±1.0 4.5±0.5 33±2.0
DFR300 15.5±1.0 5.0±0.5 33±2.1
DFR400 17.0±1.0 7.5±0.5 32±2.0
STYLE
D
d
L
H
H
Ød
0.45±0.05
0.55±0.05
0.55±0.06
0.8±0.05
0.8±0.05
0.8±0.05
SECTION 4
RANGE
DFR050
Style
Power Rating at 70°C
DFR100
0.5W
DFR200
1W
DFR300SS
2W
3W
DFR300
3W
DFR400
4W
Maximum Working Voltage
200V
350V
500V
500V
750V
750V
Maximum Overload Voltage
400V
600V
700V
700V
1000V
1000V
Dielectric Withstand Voltage
300V
500V
500V
500V
750V
1R ~ 10M & 0R for E24 and E96 ranges
Resistance Range
750V
-55°C to +155°C
Operating Temperature Range
Temperature Coefficient
±100 ppm/°C
ORDERING INFORMATION
DFR
050
Power Rating
050 = 1/2W
100 = 1W
200 = 2W
300SS = 3W
300 = 3W
400 = 4W
J
Tolerance
J = 5%
F = 1%
75R
Value
in ohms
--
T
Packaging
R= Paper
Taping Reel
T=Tape in
Box
B=Bulk
Packaging Option
52- = 52.4mm
52I = 52.4mm (I represents 0.78±0.05mm diameter)
73- = 73mm
M = M Type Forming for Bulk
F = F Type Forming for Bulk
FK = FK Type Forming
FFK = FFK Type Forming
FKK = FKK Type Forming
FT = FT Type Forming
MT = MTsert
PN = PANAsert
AV = AVIsert
128
Tel: +44 (0) 1724 408710
www.dubilier.co.uk
www.dubilier.co.uk
Tel: +44 (0) 1724 408700
Power Flame Proof Resistors
Resistors
Derating Curve
Rated Load (%)
70?
100
80
60
40
20
20
40
60
80
100
120
140
155
180
Ambient Temperature (? )
Pulse Loading Capabilities
104
Pmax
(W)
tp/ti=1000
103
tp/ti=200
SECTION 4
tp/ti=50
102
tp/ti=10
10
tp/ti=2
4R7
100R
1
220R
4K7
10-1
-5
-4
10
10
10
-3
10
-2
-1
10
ti (S)
1
DFR400 Series:
Pulse on a regular basis;maximum permissible peak pulse power (P-max) as a
function of pulse duration (ti).
Packing Methods
DIMENSIONS
STYLE
Normal
a
DFR050
DFR100
DFR200
DFR300
DFR400
6 ±0.5
6 ±0.5
6 ±0.5
6 ±0.5
6 ±0.5
A
52.4 ± 1.0
52.4 ± 1.0
52.4 ± 1.0
73 ± 1.5
73 ± 1.5
Unit: mm
B1-B2
S
(spacing)
1.2
1.2
1.2
1.5
1.5
T (max. deviationof
spacing)
10
10
1mm per 10 spacing
10
0.5mm per 5 spacing
10
10
129
128
Tel:+44
+44(0)
(0)1724
1724 408710
408710
Tel:
www.dubilier.co.uk
www.dubilier.co.uk
Tel: +44 (0) 1724 408700
Power Flame Proof Resistors
Resistors
Tape on Reel Packing
STYLE ACROSS FLANGE A QTY Per Reel
DFR050
72
5000
DFR100
72
5000
DFR200
72
2500
DFR300
95
2000
Packing Methods
Standard Lead Length
W( A )
H( B)
L ( C)
81
70
260
81
104
260
73
45
258
103
78
260
103
78
260
Qty Per Box
5000
1000
1000
1000
1000
SECTION 4
STYLE
Normal
DFR050
DFR100
DFR200
DFR300
DFR400
Special Type
M TYPE
STYLE
DIMENSIONS
UNIT:mm
Normal
L
øD
ød
P
H
DFR050
3.4 ± 0.3
1.9 ± 0.2
0.45 ± 0.05
6.0 ± 1.0
10.0 ± 1
DFR100
6.3 ± 0.5
2.4 ± 0.2
0.55 ± 0.05
10.0 ± 1.0
10.0 ± 1
DFR300
15.5 ± 1.0
5.0 ± 0.5
0.8 ± 0.05
20.0 ± 1.0
15.0 ± 1
129
128
Tel:+44
+44(0)
(0)1724
1724 408710
408710
Tel:
www.dubilier.co.uk
www.dubilier.co.uk
Tel: +44 (0) 1724 408700
Power Flame Proof Resistors
Resistors
F TYPE
STYLE
DIMENSIONS
Normal
DFR300
L
øD
ød
15.5 ± 1.0 5.0 ± 0.5
0.8 ± 0.05
UNIT:mm
P
h1
6.0 ± 1
5.0 ± 1
H1 max
25
E max
3.5
* FMP100 is available
FFK TYPE
FKK TYPE
SECTION 4
FK TYPE
STYLE
DIMENSIONS
Normal
DFR300
L
øD
15.5 ± 1.0 5.0 ± 0.5
ød
0.8 ± 0.05
UNIT:mm
P
h
H max
E max
6.0 ± 1
10.0 ± 1
30
3.5
* DFR300 is available
FT Type Forming for Taping (Rated Watt 100 size only)
129
128
Tel:+44
+44(0)
(0)1724
1724 408710
408710
Tel:
www.dubilier.co.uk
www.dubilier.co.uk
Tel: +44 (0) 1724 408700
Power Flame Proof Resistors
Resistors
MT Type Forming for Taping (Rated Watt -50 size only)
SECTION 4
PN Type Forming for Taping (Rated Watt 100 size only)
AV Type Forming for Taping (Rated Watt 100 size only)
129
128
Tel:+44
+44(0)
(0)1724
1724 408710
408710
Tel:
www.dubilier.co.uk
www.dubilier.co.uk
Tel: +44 (0) 1724 408700