TECHNOLOGY OF TOMORROW
POWER TYPE RESISTORS
Revision: 12. Dec. 2005
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
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
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
1Ceramic core
2Trimmed metal film
3Steel cap (Cu, Sn plated)
4Lead wire
5Welding joint
6Expoxy resin overcoating
7Marking
STRUCTURE
DERATING CURVE
TYPE DESIGNATION (HOW TO ORDER)
SN
PRODUCT CODE TERMINATION
SURFACE
MATERIAL
C: SnCu
NOMINAL
RESISTANCE
D, F: 4 digits
G: 3 digits
T.C.R.
C: ±50ppm/K
D: ±100ppm/K
L: ±200ppm/K
C 1002D
POWER RATING
3A: 1W
3D: 2W
3A F
RESISTANCE
TOLERANCE
D: ±0.5%
F: ±1%
G: ±2%
IDENTIFICATION
Color Code
SN 3A, SN 3D Light Grey (R-value and
tolerance)
PRODUCT CODE COATING COLOR MARKING
DIMENSIONS (mm)
TYPE LC Max. D
SN 3A 14.1 ± 2 18.3 4.8 ± 11.0 38 ± 3
SN 3D 16.5 ± 2 21.5 8.4 ± 1
d (nominal) l
Ambient temperature (°C)
METAL FILM
STANDARD
SN 3A • SN 3D
RATING
TYPE T.C.R.
(ppm/K)
POWER
RATING*
MAX.
WORKING
VOLTAGE
MAX.
OVERLOAD
VOLTAGE
SN 3A C (±50) – 10 Ω... 1 MΩ–
D (±100) 1 W 10 Ω... 1 MΩ10 Ω... 1 MΩ10 Ω... 1 MΩ
L (±200) 500 V 1000 V 1000 V – 4.99 Ω... 10 Ω1 Ω... 10 Ω
SN 3D D (±100) 2 W 10 Ω... 1.5 MΩ10 Ω... 1.5 MΩ10 Ω... 1.5 MΩ
L (±200) – – 5.1 Ω... 10 Ω
RESISTANCE RANGE
D (±0.5%) F (±1%) G (±2%)
DIELECTRIC
WITHSTANDING
VOLTAGE
E24 • E192 E24 • E96 E24
* For resistors operated in ambient temperature over +70°C, power rating shall be derated like shown in above „DERATING CURVE“.
POWER TYPE
RESISTORS
NEW
All these products have
Pb-free terminations
and meet RoHS requirements
