POWER TYPE RESISTORS
TECHNOLOGY OF TOMORROW
METAL FILM
STRUCTURE
STANDARD
1
2
3
4
5
6
7
Ceramic core
SN 3A • SN 3D
Trimmed metal film
Steel cap (Cu, Sn plated)
Lead wire
Welding joint
Expoxy resin overcoating
Marking
IDENTIFICATION
PRODUCT CODE
COATING COLOR
MARKING
All these products have
Pb-free terminations
and meet RoHS requirements
Color Code
(R-value and
tolerance)
SN 3A, SN 3D
Light Grey
TYPE DESIGNATION (HOW TO ORDER)
3A
F
SN
D
C
1002
RESISTANCE
TOLERANCE
POWER RATING
3A: 1W
T.C.R.
PRODUCT CODE
TERMINATION
SURFACE
MATERIAL
C: SnCu
NOMINAL
RESISTANCE
D, F: 4 digits
G: 3 digits
C: 50ppmꢀ/
D: 100ppmꢀ/
L: 200ppmꢀ/
D: 0.5ꢁ
F: 1ꢁ
3D: 2W
G: 2ꢁ
DIMENSIONS (mm)
FEATURES
■
■
Metal film resistors for high power
High precision and low T.C.R. metal film resistor
Excellent long term stability
Meets or exceeds IEC 60 115-1, JIS C 5201-1
Rated ambient temperature: +70°C
Operating temperature range: -55°C ... +155°C
TYPE
L
C Max.
D
d (nominal)
l
SN 3A
SN 3D
14.1
16.5
2
2
18.3
21.5
4.8
8.4
1
1
1.0
38
3
■
■
■
DERATING CURVE
Ambient temperature (°C)
RATING
RESISTANCE RANGE
E24 • E96
MAX.
WORKING
VOLTAGE
MAX.
OVERLOAD
VOLTAGE
DIELECTRIC
WITHSTANDING
VOLTAGE
T.C.R.
(ppm/K)
POWER
RATING*
TYPE
E24 • E192
D ( 0.5ꢀ)
E24
F ( 1ꢀ)
G ( 2ꢀ)
C ( 50)
–
10 Ω ... 1 MΩ
10 Ω ... 1 MΩ
4.99 Ω ... 10 Ω
10 Ω ... 1.5 MΩ
–
–
SN 3A
SN 3D
D ( 100)
L ( 200)
D ( 100)
L ( 200)
1 W
2 W
10 Ω ... 1 MΩ
10 Ω ... 1 MΩ
1 Ω ... 10 Ω
10 Ω ... 1.5 MΩ
5.1 Ω ... 10 Ω
500 V
1000 V
1000 V
–
10 Ω ... 1.5 MΩ
–
* For resistors operated in ambient temperature over +70°C, power rating shall be derated like shown in above „DERATING CURVE“.
EUROPE GmbH • Kaddenbusch 6 • D-25578 Dägeling / ITZEHOE • PHONE: +49 (0) 48 21/89 89-0 • FAX: +49 (0) 48 21/89 89 89 • Internet: www.koaeurope.de
Revision: 12. Dec. 2005