RNCF Series
Precision Thin Film Chip Resistor
Rev Date: 08/25/2011 1 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
Stackpole Electronics, Inc.
Resistive Product Solutions
Maximum Maximum Resistance
Working Overload Temperature
Voltage(1) Voltage Coefficient 0.01% 0.05% 0.1% 0.25% 0.5% 1%
0.032W ±25 ppm/ºC 49.9 - 5K 49.9 - 5K
(0.05W(2)) ±50/100ppm/ºC 49.9 - 33K 49.9 - 33K
±5 ppm/ºC 49.9 - 5K 49.9 - 5K 49.9 - 5K - - -
±10 ppm/ºC 49.9 - 12K 49.9 - 12K 10 - 100K 10 - 100K 10 - 100K 10 - 100K
±25 ppm/ºC - - 10 - 205K 10 - 205K 10 - 205K 10 - 205K
±50/100ppm/ºC - - 10 - 205K 10 - 205K 1 - 205K 1 - 205K
±5 ppm/ºC 24.9 - 15K 24.9 - 15K 24.9 - 15K - - -
0.063W ±10 ppm/ºC 24.9 - 100K 4.7 - 332K 4.7 - 390K 10 - 390K 10 - 390K 10 - 390K
(0.1W(2)) ±25 ppm/ºC - 4.7 - 332K 4.7 - 1M 2 - 1M 2 - 1M 2 - 1M
±50/100ppm/ºC - 4.7 - 332K 4.7 - 1M 2 - 1M 1 - 1M 1 - 1M
±5 ppm/ºC 24.9 - 30K 24.9 - 30K 24.9 - 30K -- -
0.1W ±10 ppm/ºC 24.9 - 200K 4.7 - 511K 4.7 - 800K 10 - 800K 10 - 800K 10 - 800K
(0.125W(2)) ±25 ppm/ºC - 4.7 - 511K 4.7 - 2M 1 - 2M 1 - 2M 1 - 2M
±50/100ppm/ºC - 4.7 - 511K 4.7 - 2M 1 - 2M 1 - 2M 1 - 2M
±5 ppm/ºC 24.9 - 50K 24.9 - 50K 24.9 - 50K - --
0.125W ±10 ppm/ºC 24.9 - 500K 4.7 - 1M 4.7 - 1M 10 - 1M 10 - 1M 10 - 1M
(0.25W(2)) ±25 ppm/ºC - 4.7 - 1M 4.7 - 2.5M 1 - 2.5M 1 - 2.5M 1 - 2.5M
±50/100ppm/ºC - 4.7 - 1M 4.7 - 2.5M 1 - 2.5M 1 - 2.5M 1 - 2.5M
±5 ppm/ºC 24.9 - 50K 24.9 - 50K 24.9 - 50K - - -
0.2W ±10 ppm/ºC 24.9 - 500K 4.7 - 1M 4.7 - 1M - - -
(0.25W(2)) ±25 ppm/ºC - 4.7 - 1M 4.7 - 2.5M 1 - 2.5M 1 - 2.5M 1 - 2.5M
±50/100ppm/ºC - 4.7 - 1M 4.7 - 2.5M 1 - 2.5M 1 - 2.5M 1 - 2.5M
±5 ppm/ºC 24.9 - 100K 24.9 - 100K 24.9 - 100K - - -
0.25W ±10 ppm/ºC 24.9 - 500K 4.7 - 1M 4.7 - 1M - - -
(0.5W(2)) ±25 ppm/ºC - 4.7 - 1M 4.7 - 3M 1 - 3M 1 - 3M 1 - 3M
±50/100ppm/ºC - 4.7 - 1M 4.7 - 3M 1 - 3M 1 - 3M 1 - 3M
±5 ppm/ºC 24.9 - 100K 24.9 - 100K 24.9 - 100K - - -
0.5W ±10 ppm/ºC 24.9 - 500K 4.7 - 1M 4.7 - 1M - - -
(1W(2)) ±25 ppm/ºC - 4.7 - 1M 4.7 - 3M 1 - 3M 1 - 3M 1 - 3M
±50/100ppm/ºC - 4.7 - 1M 4.7 - 3M 1 - 3M 1 - 3M 1 - 3M
(
1
)
Lesser of
PR or maximum workin
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(
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)
Hi
g
her
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ower ratin
g
for each
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acka
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e size is valid if ambient tem
p
80ºC and terminal tem
p
105ºC
-
50V
Ohmic Range () and Tolerance
30V - -
Type / Code Old Pkg
Code
Power Rating
(Watts) @
70ºC
-RNCF0201 15V05
0.063WRNCF0402 10 25V
100V
RNCF0805 20 100V 200V
RNCF0603 16 50V
50 150V 300V
RNCF1206 32 150V 300V
RNCF2512 63 150V 300V
RNCF2010 57 150V 300V
RNCF1210
Features:
• Precision tolerances to ±0.01%
• TCR down to ±5ppm/ºC
• E96 and E24 values are standard
• Wide R-value range
• Consult factory for tighter tolerances
• 2010 and 2512 sizes now available
• RoHS compliant
Electrical Specifications
RNCF Series
Precision Thin Film Chip Resistor
Rev Date: 08/25/2011 2 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
Stackpole Electronics, Inc.
Resistive Product Solutions
LWH a b
Body Length Body Width Body Height Top Termination Bottom Termination
0.024 ± 0.002 0.012 ± 0.002 0.009 ± 0.001 0.005 ± 0.002 0.005 ± 0.002 inches
0.60 ± 0.05 0.30 ± 0.05 0.23 ± 0.030 0.12 ±0.05 0.12 ± 0.05 mm
0.039 ± 0.002 0.020 ± 0.002 0.014 ± 0.002 0.008 ± 0.004 0.010 ± 0.002 inches
1.00 ± 0.05 0.50 ± 0.05 0.35 ± 0.05 0.20 ± 0.10 0.25 ± 0.10 mm
0.063 ± 0.008 0.032 ± 0.008 0.016 ± 0.006 0.012 ± 0.008 0.012 ± 0.008 inches
1.60 ± 0.20 0.80 ± 0.20 0.40 ± 0.15 0.30 ± 0.20 0.30 ± 0.20 mm
0.079 ± 0.008 0.049 ± 0.008 0.016 ± 0.006 0.016 ± 0.008 0.016 ± 0.008 inches
2.00 ± 0.20 1.25 ± 0.20 0.50 ± 0.15 0.40 ± 0.20 0.40 ± 0.20 mm
0.126 ± 0.008 0.063 ± 0.008 0.020 ± 0.006 0.020 ± 0.012 0.016 ± 0.008 inches
3.20 ± 0.20 1.60 ± 0.20 0.50 ± 0.15 0.50 ± 0.30 0.40 ± 0.20 mm
0.122 ± 0.006 0.090 ± 0.006 0.024 ±0.004 0.020 ± 0.012 0.016 ± 0.008 inches
3.10 ± 0.20 2.40 ± 0.15 0.60 ± 0.10 0.50 ± 0.30 0.40 ± 0.20 mm
0.193 ± 0.006 0.090 ± 0.006 0.024 ± 0.004 0.024 ± 0.012 0.020 ± 0.010 inches
4.90 ± 0.15 2.40 ± 0.15 0.60 ± 0.10 0.60 ± 0.30 0.50 ± 0.25 mm
0.246 ± 0.006 0.122 ± 0.006 0.024 ± 0.004 0.024 ± 0.012 0.020 ± 0.010 inches
6.30 ± 0.15 3.10 ± 0.15 0.60 ± 0.10 0.60 ± 0.30 0.50 ± 0.25 mm
RNCF0402
RNCF0603
Type / Code Unit
RNCF0201
RNCF2512
RNCF0805
RNCF1206
RNCF1210
RNCF2010
R±(0.2% + 0.05)∆R±0.01% ∆R±0.05%
R± (0.3% + 0.05)∆R±0.01% ∆R±0.05%
R±(0.2% + 0.05)∆R±0.01% ∆R±0.05% 0.5% 260±5ºC for 10 seconds
0.95% 245±5ºC for 3 seconds
R±(0.2% + 0.05)∆R±0.01% ∆R±0.05% 0.05% Bending amplitude 3mm for 10 seconds
1GApply 100VDC for 1 minute
∆R±0.2% ∆R±0.01% ∆R±0.05%
Operating Temperature Range: -55ºC to +125ºC (0201); -55ºC to +155ºC (0402 to 2512)
Reference Standards: MIL-STD-202, JIS-C 5201-1
0.25%
>1G
Moisture Resistance,
Thermal Shock R±(0.25% + 0.05)∆R±0.05% 0.1% -55ºC - 150ºC, 100 cycles
Load Life in Moisture R±0.5% for high power rating
RCWV*2.5 or Maximum overload volatage
for 5 seconds
Min 95% coverage
Dielectric Withstanding
Voltage by type 0.05% Maximum overload voltage for 1 minute
Bending Strength
Insulation Resistance
Low Temperature Operation
Short Time Overload
40±2ºC, 90-95% RH Maximum working voltage
for 1000 hrs
with 1.5 hrs ON and 0.5 hrs OFF
R±0.5% for high power rating 1 hour, -65ºC, followed by 45 minutes of RCWV
Resistance to Soldering Heat
Solderability
0.05%
Test
Load Life
Typical Test Method
Specification for
Tolerances = 0.05%
>7K ∆R ± 0.5%
R±0.5% for high power rating
70±2ºC, Maximum working voltage for
1000 hrs with 1.5 hrs ON and 0.5 hrs OFF
0.2%
Specification
R±(0.2% + 0.05)∆R±0.05%
Specification for
Tolerances = 0.01%
∆R±0.01%
∆R±0.01%
Mechanical Specifications
Performance Characteristics
RNCF Series
Precision Thin Film Chip Resistor
Rev Date: 08/25/2011 3 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
Stackpole Electronics, Inc.
Resistive Product Solutions
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
RNCF0805DTE4K75
Ambient Temperature (ºC)
90 120 150 180
25
030 60
100
75
50
RNC
10, 16, 20, 32, 50, 57, 63
RNC 05
Percent Rated Power (%)
RNCF
0402, 0603, 0805, 1206,
1210, 2010, 2512
RNCF 0201
Nominal
Resistance
4.75K
Type Description Code Wattage Size Tol
V
alues SEI Types Pkg Qty Code Description
05 0.032W 0201 T1 100ppm 0.01% 0201, 0402 10,000 R
10 0.063W 0402 T2 50ppm 0.05% 5,000 R
16 0.063W 0603 T9 25ppm 0.1% 1,000 I
20 0.1W 0805 TB 10ppm 0.25% 1210 5,000 R
32 0.125W 1206 TA 5ppm 0.5% 4,000 R
50 0.2W 1210 1% E96, E24 1,000 I
57 0.25W 2010
63 0.5W 2512
7" reel
paper tape
0.5% R
E192(1), E96, E24
0603, 0805,
1206
SEI Type Code Tolerance PackagingTCR
(1) E192 values are unmarked
RNCF 20 T9
2010, 2512
Precision Thin Film
Chip Resistor
RNCF
TCR
Size
0201 Code Tol Value Code Quantity Code ppm
0402 T 0.01% 10,000 Y 5
0603 A 0.05% T10
0805 B 0.1% E25
1206 C 0.25% 4,000 C 50
1210 D 0.5% D100
2010 F 1% E96, E24
2512
Product Series Power TCR Resistance ValuePackaging
Description Size
Tolerance
E192
(1)
, E96, E24 T
0201, 0402
24.9 ohm = 24R9
0.1W 1206, 1210
2010, 25120.125W
0.25W 2010, 2512
0.5W
K7" Reel
Paper Tape
0.2W 10 Kohm = 10K00603, 0805, 1206
1 Mohm = 1M00
1,000
(1) E192 values are unmarked
Four characters
with the multiplier
used as the
decimal holder.
RNCF
Precision Thin
Film Chip
Resistors 7" Reel
Paper Tape
0.063W 0603, 0805 5,000
0.032W
0.063W
Power Derating Curve:
Legacy Part Number (before January 3, 2011):
How to Order
