NK, NP, NT, NY
Vishay Sfernice
Precision Metal Film Resistors
FEATURES
• 0.063 W to 0.5 W at 70 °C
• Approved according to CECC 40101
• Wide ohmic range from 1 Ω to 4.7 MΩ
• Good initial precision up to 0.1 ꢀ
• Operating temperatures:
- 55 °C to + 155 °C for TCR ≥ 25 ppm/°C
- 25 °C to + 85 °C for TCR ≤ 15 ppm/°C
• Epoxy coating
• Termination: Pure matt tin
• Compliant to RoHS directive 2002/95/EC
DIMENSIONS in millimeters
6
Ø D
L
CC
e
MAX. UNIT
WEIGHT
L max.
TYPE
A
ꢀ
Ø d
max.
max.
Ø D
Ø d
ꢀ
N.. 3..
N.. 4..
N.. 5..
1.8
2.5
3.3
3.9
6.2
8.7
53
0.5
0.6
0.6
5.08
NA
0.15 g
0.3 g
0.5 g
8
53
53
CC
e
NA
A
TECHNICAL SPECIFICATIONS
MODEL
NT3S
NP3S
NY3
0.25 W
NK3
NT4S NP4S
0.25 W
NY4
NK4
NT5S NP5S
NY5
NK5
Power Rating, Pr at + 70 °C
Stability Class
0.125 W
0.5 W
0.5 W
1 ꢀ
2 ꢀ
E24
1 ꢀ
2 ꢀ
E24
1 ꢀ
2 ꢀ
E24
E192 for
E192 for
0.1 ꢀ/0.25 ꢀ/0.5 ꢀ
E96 for 1 ꢀ
E192 for
0.1 ꢀ/0.25 ꢀ/0.5 ꢀ
E96 for 1 ꢀ
Preferred Standard Ohmic
Values Series
0.1 ꢀ/0.25 ꢀ/0.5 ꢀ
E96 for 1 ꢀ
0.ꢀ ꢁ 100
0.ꢂ5 ꢁ 200 k
0.5 ꢁ 10
ꢀ ꢁ 200 k
0.ꢀ ꢁ
Ω
49.9
Ω
Ω
100
Ω
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Ω
499 k
499 k
Ω
ꢀ5
ppm/°C (ꢀ)
Ω
10
Ω
10
Ω
-
Ω
499 k
Ω
499 kΩ
100
Ω
10
Ω
Ω
Ω
Ω
100
1 M
Ω
Ω
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.ꢂ5 ꢁ
0.5 ꢁ
ꢀ ꢁ
511 k
Ω
1 M
10
ꢂ5
Ohmic Value
ppm/°C (ꢂ)
Range in
10
Ω
10 Ω
Relation to:
Temperature
Coefficient,
TCR/
511 k
Ω
1 M
1 M
Ω
0.ꢀ ꢁ
0.ꢂ5 ꢁ
10
1 M
10
3.32 M
10
Ω
10
1 M
10
4.7 M
2.67
Ω
-
-
-
-
-
-
-
-
-
Ω
Ω
Tolerance
50
10
Ω
Ω
Ω
0.5 ꢁ
ꢀ ꢁ
-
-
-
ppm/°C (ꢂ)
1.5 M
Ω
Ω
Ω
Ω
1
Ω
Ω
Ω
1.5 M
Ω
3.32 M
4.7 M
Ω
ꢂ ꢁ
5 ꢁ
1
Ω
10
Ω
2.7 Ω
ꢀ00
ppm/°C (ꢂ)
-
-
-
1.5 M
Ω
3.3 M
Ω
4.7 MΩ
Limiting Element Voltage
200 V
350 V
245 k
145 °C/W
350 V
245 k
110 °C/W
Umax. RMS
Critical Resistance
Thermal Resistance
Notes
(1) TCR requirement for temperature between - 25 °C and + 85 °C
(2) TCR requirement for temperature between - 55 °C and + 125 °C
-
-
160 kΩ
490 kΩ
Ω
Ω
170 °C/W
www.vishay.com
156
For technical questions, contact: sfer@vishay.com
Document Number: 52005
Revision: 16-Jul-09