TM
SURFACE MOUNT
SILICONE COATED TYPE
Flame Retardant Silicon Coating
SERIES
Alloy Resistance Wire
Flame Retardant Silicon Coating
Tinned End Caps. Suitable
For Reflow Soldering
HIAS
Surface Mount Wire Wound Resistors
Terminals Suitable
For Reflow Soldering
Alloy Resistance Wire,
Wound To Specific Parameters
Terminals Suitable
For Reflow Soldering
!
1 & 2W - Silicon Coated Melf Design
!
2,3,4 & 5W - Tin Plated Terminations
PHYSICAL CONFIGURATION
0.5 (min.)
4.5
(max.)
L
TYPES : H1M & H2M
D
TYPES : H3AS & H5S
L
D
1.5 (min.)
P
4.0 + 0.3
0.5 (max.)
HTR
TYPE
H-1M
H-2M
H-3AS
H-5S
POWER
RATING
at 25°C
1W
2W
3W
5W
DIMENSIONS (mm)
L +1.0
6.5
9.0
13.0
19.5
D*
3.7(+0.3)
3.7(+0.3)
5.5(+0.5)
6.5(+0.5)
P +1.0
-
-
18.0
24.5
RESISTANCE
RANGE
max
min
R01
R01
R01
R01
1K5
2K7
10K
16K
TYPICAL WT
.
PER PC
[gms]
0.5
0.6
1.2
2.0
D* for non-inductive types & for resistance values < 1R0 + 0.8mm allowed.
MOUNTING SPECIFICATIONS
For the guidance of the Design Engineer our applications laboratory has given the recommended pad size and
geometry which is shown below :-
2.7 H1M / 5.2 H2M
P
5.0 + 0.5
0.8
4.4
5.5 + 0.5
3.2
2.3
H3AS & H5S
H1M & H2M
TM
SURFACE MOUNT
SILICONE COATED TYPE
HIAS
D
A
E
C
B
Z
SIDE VIEW
PROFILE
HTR
TYPE
POWER
DIMENSIONS (mm)
RESISTANCE TYPICAL WT
.
RATING
RANGE
PER PC
at 25°C A [MAX] B [+1.0] C [MAX] D[+0.05] E [+0.5] Z [+1.0] min
[gms]
max
2WS
4WS
2W
4W
12.0
15.5
17.0
20.0
4.8
6.0
0.8
0.8
5.0
8.0
4.0
6.5
R10
R10
5K6
12K
0.95
1.25
MOUNTING / ASSEMBLY DATA
For the guidance of the Design Engineer our applications laboratory has given the recommended pad
size and geometry which is shown below :-
a
l
b
DIMENSIONS (mm)
HTR TYPE
a
b
l
2WS
4WS
4.0
4.0
9.5
9.5
14.0
17.0
TM
SURFACE MOUNT
SILICONE COATED TYPE
HIAS
ELECTRICAL AND ENVIRONMENTAL CHARACTERISTICS / DATA
Performance Requirements
+ 10% [K]; + 5% [J]; +3% [H]; + 2% [G]; + 1% [F]
at 25°C full power dissipation
derated linearly to zero at 275
0
C
> 1000 M dry
> 100 M wet
D
R + [2% + R05]
500 Volts r.m.s.
-40°C to + 155°C
+ 60ppm/°C to + 400ppm/°C
(Depending upon resistance value)
Test
Resistance tolerance
Rated ambient temperature
Insulation resistance
Short time overload
Di-electric withstanding voltage
Ambient operating
temperature range
Temperature co-efficient of
resistance
TYPICAL APPLICATIONS
This series has been evolved in order to fill the gap for melf and surface mount resistors in applications
which are too severe for film resistors.
The advantages are superior power to size ratio, higher tolerance to pulse, surge applications & negligible
noise.
ORDERING INFORMATION
HIAS
H3AS
1R0
G
TOLERANCE
RESISTANCE V
ALUE
HTR TYPE
SERIES
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