1 /3
ISA-PLAN
®
// PRECISION RESISTORS
SMS-PW // Size 2512
Isabellenhütte Heusler GmbH & Co. KG // sales.components@isabellenhuette.de // Issue 20-October-2023 // Current valid issue: see www.isabellenhuette.de
▪ Aerospace
▪ 2 W permanent power at 120 °C
▪ Constant current up to 25 A (5 mOhm)
▪ Excellent long-term stability
▪ High pulse power rating
▪ Mounting: Reflow-, and IR-soldering
▪ Detail specification ESCC 4001/027
▪ SnPb tinned terminals
Features
Applications
Technical data
Resistance values Ohm 0.003 to 1 *
Tolerance % 0.5 / 1 *
Temperature coefcient
-55 °C to +22 °C
+22 °C to +170 °C
+22 °C to +60 °C
ppm/K
<10 mOhm
-140, +0
±100
±100
≥10 mOhm
-100, +0
±60
±50
Applicable temperature range °C -55 to +170
Power rating W 2
Stability (nominal load) deviation after 2000h,
acc. to ESCC Generic Specication
±0.2% (T
K
=120 °C)
Power derating curve
P/P
Nom
Terminal temperature T
K
[°C]
Temperature dependence of the electrical resistance
of MANGANIN
®
resistors at +22°C to +60°C
dR/R20 [%]
Temperature [°C]
-1,2
-1,0
-0,8
-0,6
-0,4
-0,2
0,0
0,2
0,4
0,6
0,8
1,0
-55 -30 -5 20 45 70 95 120 145 170
TCR = 0 ppm/K TCR = -50 ppm/K TCR = +50 ppm/K
* For detailed information see table on page 2
T
K
= terminal temperature
0
0,25
0,5
0,75
1
1,25
0 20 40 60 80 100 120 140 160 180
Stability < 0.2 %
2 / 3
ISA-PLAN
®
// PRECISION RESISTORS
SMS-PW // Size 2512
Isabellenhütte Heusler GmbH & Co. KG // sales.components@isabellenhuette.de // Issue 20-October-2023 // Current valid issue: see www.isabellenhuette.de
Available standard resistance values and tolerances *
Ordering code
SMS - R010 - 1.0 - PW
ESCC 4001/027 version, SnPb tinned contacts
Tolerance
Resistance value [Ohm] / „R“ represents decimal point
Type
Ordering code ESCC component number
SMS-R005-1.0-PW 400102705R005F
SMS-R008-0.5-PW 400102705R008D
SMS-R010-0.5-PW 400102702R010D
SMS-R010-1.0-PW 400102702R010F
SMS-R015-0.5-PW 400102702R015D
SMS-R015-1.0-PW 400102702R015F
SMS-R020-1.0-PW 400102702R020F
SMS-R022-1.0-PW 400102702R022F
SMS-R030-1.0-PW 400102702R030F
SMS-R033-0.5-PW 400102702R033D
SMS-R033-1.0-PW 400102702R033F
SMS-R040-1.0-PW 400102702R040F
SMS-R047-1.0-PW 400102702R047F
SMS-R050-0.5-PW 400102702R050D
SMS-R050-1.0-PW 400102702R050F
SMS-R068-0.5-PW 400102702R068D
SMS-R068-1.0-PW 400102702R068F
SMS-R082-0.5-PW 400102702R082D
Ordering code ESCC component number
SMS-R100-0.5-PW 400102702R100D
SMS-R100-1.0-PW 400102702R100F
SMS-R120-1.0-PW 400102702R120F
SMS-R150-1.0-PW 400102702R150F
SMS-R180-1.0-PW 400102702R180F
SMS-R200-1.0-PW 400102702R200F
SMS-R220-0.5-PW 400102702R220D
SMS-R220-1.0-PW 400102702R220F
SMS-R330-0.5-PW 400102702R330D
SMS-R330-1.0-PW 400102702R330F
SMS-R390-1.0-PW 400102702R390F
SMS-R470-1.0-PW 400102702R470F
SMS-R500-1.0-PW 400102702R500F
SMS-R560-1.0-PW 400102702R560F
SMS-R680-0.5-PW 400102702R680D
SMS-R680-1.0-PW 400102702R680F
SMS-1R00-0.5-PW 4001027021R00D
SMS-1R00-1.0-PW 4001027021R00F
* other resistance values on request