Precision Resistors
Typ / type SMH
RHOPOINT COMPONENTS LTD
Holland Road, Hurst Green, Oxted, Surrey, RH8 9AX, ENGLAND
Tel: +44/01883 717988, Fax: +44/01883 712938, Email: sales@rhopointcomponents.com Website: www.rhopointcomponents.com
Ausgabe / Issue : 02/07/2001
SMH-1 / 3
Technische nderungen vorbehalten - technical modifications reserved
Temperaturabhngigkeit des elektrischen Widerstandes von
MANGANIN-Widerstnden
temperature dependence of the electrical resistance of
MANGANIN-resistors
Merkmale / features
3 Watt Dauerleistung
3 Watt permanent power
Dauerstrme bis 24 A ( 5 mOhm )
constant current up to 24 Amps ( 5 mOhm )
Vier-Leiter Messwiderstand
resistor with Kelvin connection
vernickelte Bondflchen
Nickel plated bond pads
Bauteilrckseite vergoldet ( 0,2 m typ. )
reverse side covered with gold flash ( 0.2 m typ. )
Geeignet fr Lttemperaturen bis 280 C / 30 sek
oder 250 C / 5 min
max. solder temperature up to 280 C / 30 sec
or 250 C / 5 min
Bauteilmontage: Reflow lten auf Substrat
mounting: reflow soldering on substrate
Applikationen / application
Mewiderstand fr Leistungshybride
current sensor for power hybrid applications
Frequenzumrichter / frequency converters
Leistungsmodule / power modules
Lastminderungskurve
power derating
a
t
a
d
l
a
c
i
n
h
c
e
t
/
n
e
t
a
D
e
h
c
s
i
n
h
c
e
T
a
t
a
d
l
a
c
i
n
h
c
e
t
/
n
e
t
a
D
e
h
c
s
i
n
h
c
e
T
a
t
a
d
l
a
c
i
n
h
c
e
t
/
n
e
t
a
D
e
h
c
s
i
n
h
c
e
T
a
t
a
d
l
a
c
i
n
h
c
e
t
/
n
e
t
a
D
e
h
c
s
i
n
h
c
e
T
a
t
a
d
l
a
c
i
n
h
c
e
t
/
n
e
t
a
D
e
h
c
s
i
n
h
c
e
T
)
m
h
O
m
(
e
t
r
e
w
s
d
n
a
t
s
r
e
d
i
W
)
m
h
O
m
(
s
e
u
l
a
v
e
c
n
a
t
s
i
s
e
r
0
0
2
,
0
0
1
,
7
4
,
3
3
,
5
2
,
2
2
,
0
2
,
0
1
,
5
z
n
a
r
e
l
o
T
e
c
n
a
r
e
l
o
t
%
5
,
%
2
,
%
1
,
*
5
.
0
t
n
e
i
z
i
f
f
e
o
k
r
u
t
a
r
e
p
m
e
T
)
r
c
t
(
t
n
e
i
c
i
f
f
e
o
c
e
r
u
t
a
r
e
p
m
e
t
)
C
0
6
s
i
b
C
0
2
(
K
/
m
p
p
0
3
<
)
C
0
6
o
t
C
0
2
(
K
/
m
p
p
0
3
<
h
c
i
e
r
e
b
r
u
t
a
r
e
p
m
e
T
e
g
n
a
r
e
r
u
t
a
r
e
p
m
e
t
e
l
b
a
c
il
p
p
a
C
5
2
1
+
s
i
b
C
5
5
-
C
5
2
1
+
o
t
C
5
5
-
t
i
e
k
r
a
b
t
s
a
l
e
B
y
t
i
c
a
p
a
c
d
a
o
l
W
3
d
n
a
t
s
r
e
d
i
w
e
m
r
W
r
e
r
e
n
n
I
e
c
n
a
t
s
i
s
e
r
t
a
e
h
l
a
n
r
e
t
n
i
W
/
K
0
1
<
i
h
t
R
g
n
u
n
n
a
p
s
f
r
P
e
g
a
t
l
o
v
g
n
i
d
n
a
t
s
h
t
i
w
c
i
r
t
c
e
l
e
i
d
C
A
V
0
0
1
t
t
i
v
i
t
k
u
d
n
I
e
c
n
a
t
c
u
d
n
i
H
n
0
3
<
t
s
a
l
n
n
e
N
r
e
t
n
u
t
t
il
i
b
a
t
S
)
d
a
o
l
l
a
n
i
m
o
n
(
y
t
il
i
b
a
t
s
h
0
0
0
2
h
c
a
n
%
5
.
0
<
g
n
u
h
c
i
e
w
b
A
h
0
0
0
2
r
e
t
f
a
%
5
.
0
<
n
o
i
t
a
i
v
e
d
*0.5% Toleranz nur fr Ausfhrung SMH-A
0.5% tolerance only for version SMH-A
0
20
40
60
80
100
120
140
terminal temperature T
K
/ [
o
C]
0.25
0.5
0.75
1
P / P
Nom
stability: 1%
stability: 0.5%
reduced
-40
-20
20
40
60
80
100
120
T [
o
C]
-1
-0.5
0.5
1
R/R
20
[%]
Precision Resistors
Typ / type SMH
RHOPOINT COMPONENTS LTD
Holland Road, Hurst Green, Oxted, Surrey, RH8 9AX, ENGLAND
Tel: +44/01883 717988, Fax: +44/01883 712938, Email: sales@rhopointcomponents.com Website: www.rhopointcomponents.com
Ausgabe / Issue : 02/07/2001
SMH-2 / 3
Technische nderungen vorbehalten - technical modifications reserved
Layout SMH-B (Zweileiter-Ausfhrung)
layout SMH-B (2 terminal configuration)
Layout SMH-A (Vierleiterversion)
layout SMH-A (4 terminal configuration)
SMH-A: Vorschlag fr die Gestaltung der Lt- und Bondpads
SMH-A: proposal for solder and bond pad design
SMH-B: Vorschlag fr die Gestaltung der Lt- und Bondpads
SMH-B: proposal for solder and bond pad design
Querschnitt
cross section
Querschnitt
cross section
Precision Resistors
Typ / type SMH
RHOPOINT COMPONENTS LTD
Holland Road, Hurst Green, Oxted, Surrey, RH8 9AX, ENGLAND
Tel: +44/01883 717988, Fax: +44/01883 712938, Email: sales@rhopointcomponents.com Website: www.rhopointcomponents.com
Ausgabe / Issue : 02/07/2001
SMH-3 / 3
Technische nderungen vorbehalten - technical modifications reserved
Pulsbelastungsdiagramm
diagram of pulse energy
0 ,0 1
0 ,1
1
1 0
1 0 0
1 0 0 0
1 0 0 0 0
0 ,0 0 0 0 0 1
0 ,0 0 0 0 1
0 ,0 0 0 1
0 ,0 0 1
0 ,0 1
0 ,1
1
1 0
1 0 0
puls e width [s ]
pulse energy [J]
0 ,0 0 0 1
0 ,0 0 1
0 ,0 1
0 ,1
1
1 0
1 0 0
power[W]
n
o
i
t
a
m
r
o
f
n
i
l
e
e
r
d
n
a
e
p
a
t
/
n
o
i
t
a
m
r
o
f
n
i
t
r
u
G
n
o
i
t
a
m
r
o
f
n
i
l
e
e
r
d
n
a
e
p
a
t
/
n
o
i
t
a
m
r
o
f
n
i
t
r
u
G
n
o
i
t
a
m
r
o
f
n
i
l
e
e
r
d
n
a
e
p
a
t
/
n
o
i
t
a
m
r
o
f
n
i
t
r
u
G
n
o
i
t
a
m
r
o
f
n
i
l
e
e
r
d
n
a
e
p
a
t
/
n
o
i
t
a
m
r
o
f
n
i
t
r
u
G
n
o
i
t
a
m
r
o
f
n
i
l
e
e
r
d
n
a
e
p
a
t
/
n
o
i
t
a
m
r
o
f
n
i
t
r
u
G
n
o
i
t
a
c
i
f
i
c
e
p
s
/
m
r
o
N
3
-
6
8
2
0
6
-
N
E
N
I
D
h
t
d
i
w
e
p
a
t
/
e
t
i
e
r
b
t
r
u
G
m
m
8
e
ll
o
R
/
e
li
e
t
u
a
B
l
h
a
z
n
A
l
e
e
r
r
e
p
s
t
r
a
p
f
o
o
n
0
0
0
5
Lage der Bauteile im Gurt
parts orientation in the tape
e
l
p
m
a
x
e
g
n
i
r
e
d
r
o
/
g
n
u
n
h
c
i
e
z
e
b
l
l
e
t
s
e
B
e
l
p
m
a
x
e
g
n
i
r
e
d
r
o
/
g
n
u
n
h
c
i
e
z
e
b
l
l
e
t
s
e
B
e
l
p
m
a
x
e
g
n
i
r
e
d
r
o
/
g
n
u
n
h
c
i
e
z
e
b
l
l
e
t
s
e
B
e
l
p
m
a
x
e
g
n
i
r
e
d
r
o
/
g
n
u
n
h
c
i
e
z
e
b
l
l
e
t
s
e
B
e
l
p
m
a
x
e
g
n
i
r
e
d
r
o
/
g
n
u
n
h
c
i
e
z
e
b
l
l
e
t
s
e
B
0
.
1
-
0
1
0
R
-
B
-
H
M
S
p
y
T
e
p
y
t
t
r
e
w
s
d
n
a
t
s
r
e
d
i
W
e
u
l
a
v
e
c
n
a
t
s
i
s
e
r
z
n
a
r
e
l
o
T
e
c
n
a
r
e
l
o
t
B
-
H
M
S
m
h
O
m
0
1
%
1
PDF 
ZIP