CO
M
G E & PL I
AN
N
FR
T*
EE
**
Features
Click these links for more information:
HS
■ Green technology
LO
■ High reliability and stability
HA
Ro
Additional Information
■ Ultra-low lead (Pb) content*
10
■ Thick film paste on high grade ceramic
2
substrate
■ RoHS compliant** without exemptions
■ Halogen free***
PRODUCT TECHNICAL INVENTORY SAMPLES
SELECTOR LIBRARY
CONTACT
CR-PF Series Ultra-Low Lead Content Thick Film Resistor
Electrical Characteristics
Characteristic
Power Rating @ 70 °C
Operating Temperature Range
Derated to Zero Load at
Maximum Working Voltage
Maximum Overload Voltage
Resistance Range
(±1 %, E24 + E96 Series)
CR0402-PF
0.0625 W
50 V
100 V
1 Ω ≤ R ≤ 9.76 Ω
-200 to +500 PPM/°C
10 Ω ≤ R < 100 Ω
±200 PPM/°C
100 Ω ≤ R ≤ 1 MΩ
±100 PPM/°C
Model
CR0603-PF
CR0805-PF
0.10 W
0.125 W
-55 °C to +155 °C
+155 °C
75 V
150 V
150 V
300 V
1 Ω ≤ R ≤ 9.76 Ω
±400 PPM/°C
10 Ω ≤ R ≤ 1 MΩ
±100 PPM/°C
--
Zero Ohm Jumper ≤ 0.05 Ω
Rated/Maximum Current
200 V
400 V
--
--
1 MΩ < R ≤ 10 MΩ
±200 PPM/°C
1 Ω ≤ R ≤ 9.1 Ω
±400 PPM/°C
10 Ω ≤ R ≤ 10 MΩ
±200 PPM/°C
1 Ω ≤ R ≤ 9.1 Ω
-200 to +500 PPM/°C
Resistance Range
(±5 %, E24 Series)
CR1206-PF
0.25 W
1 A / 2.5 A
2A/5A
For Standard Values Used in Capacitors, Inductors and Resistors, click here.
Product Dimensions
Model
L
W
C
d
L
t
CR0402-PF
1.00 ± 0.10
0.50 ± 0.05
0.20 ± 0.10
0.25 ± 0.10
0.32 ± 0.05
(0.039 ± 0.004) (0.020 ± 0.002) (0.008 ± 0.004) (0.010 ± 0.004) (0.013 ± 0.002)
CR0603-PF
1.60 ± 0.10
0.80 ± 0.05
0.30 ± 0.20
0.30 ± 0.20
0.45 ± 0.10
(0.063 ± 0.004) (0.031 ± 0.002) (0.012 ± 0.008) (0.012 ± 0.008) (0.018 ± 0.04)
CR0805-PF
2.00 ± 0.10
1.25 ± 0.10
0.40 ± 0.20
0.40 ± 0.20
0.50 ± 0.10
(0.079 ± 0.004) (0.049 ± 0.004) (0.016 ± 0.008) (0.016 ± 0.008) (0.020 ± 0.004)
CR1206-PF
3.10 ± 0.10
1.55 ± 0.10
0.50 ± 0.30
0.40 ± 0.20
0.55 ± 0.10
(0.122 ± 0.004) (0.061 ± 0.004) (0.020 ± 0.012) (0.016 ± 0.008) (0.022 ± 0.004)
DIMENSIONS:
MM
(INCHES)
W
C
C
d
d
t
Recommended Solder Pad Layout
Model
a
b
c
CR0402-PF
0.5 ~ 0.6
(0.020 ~ 0.024)
1.4 ~ 1.6
(0.055 ~ 0.063)
0.4 ~ 0.6
(0.016 ~ 0.024)
CR0603-PF
0.7 ~ 0.9
(0.028 ~ 0.035)
2.0 ~ 2.2
(0.079 ~ 0.087)
0.8 ~ 1.0
(0.031 ~ 0.039)
CR0805-PF
1.0 ~ 1.4
(0.039 ~ 0.055)
3.2 ~ 3.8
(0.126 ~ 0.150)
0.9 ~ 1.4
(0.035 ~ 0.055)
CR1206-PF
2.0 ~ 2.4
(0.079 ~ 0.094)
4.4 ~ 5.0
(0.173 ~ 0.197)
1.2 ~ 1.8
(0.047 ~ 0.071)
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
* Such products may contain trace amounts of lead of less than 100 ppm.
** RoHS Directive 2015/863, Mar 31, 2015 and Annex.
RESISTOR
c
a
b
DIMENSIONS:
MM
(INCHES)
*** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the
Chlorine (Cl) content is 900 ppm or less; (c) the total Bromine (Br) & Chlorine (Cl) content is 1500 ppm or less.
Specifications are subject to change without notice. Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this
document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Applications
■ General purpose
■ Consumer
■ Industrial
■ Telecommunications
■ Computer technology
CR-PF Series Ultra-Low Lead Content Thick Film Resistor
Construction
Environmental Characteristics
OVERCOAT
(BLACK)
Moisture Sensitivity Level ...........................................................1
Storage Conditions
Temperature ................................................... +5 °C ~ +35 °C
Humidity ............................................................ 40 % ~ 75 %
Shelf Life...................................2 years from manufacturing date
Solder Recommendations ......................................Reflow profile
(Solder: Sn96.5 / Ag3 / Cu05)
CONDUCTOR
Sn PLATING
RESISTIVE
ELEMENT
Ni PLATING
CERAMIC SUBSTRATE
Derating Curve
Rated Voltage
Power Ratio (%)
The rated voltage is calculated by the following formula:
V= P X R
70
100
V: Rated Voltage (V)
P: Rated Power (W)
R: Resistance Value (Ω)
80
60
40
155
20
0
-55
20 40 60 80 100 120 140 160
Ambient Temperature (°C)
Solder Reflow Recommendations
tp
TP
Solder Profile
CRITICAL ZONE
T L TO TP
RAMP-UP
TL
Temperature
tL
TS MAX.
RAMP-DOWN
TS MIN.
ts
PREHEAT
25 °C
8 MINUTES MAX.
t 25 *C TO PEAK
Time
Process
Description
Materials
Temperature
Lead Free Assembly
Average ramp-up rate
(Tsmax to Tp)
3 °C / second max.
Preheat:
- Temperature Min. (Tsmin)
- Temperature Max. (Tsmax)
- Time (Tsmin to Tsmax) (ts)
150 °C
200 °C
60~150 seconds
Time maintained above:
- Temperature (TL)
- Time (TL)
217 °C
60~120 seconds
Peak Temperature (Tp)
260 °C
Time within +0/-5 °C of actual
Peak Temperature (Tp)2
10 seconds
Ramp-down rate
6 °C / second max.
Time 25 °C to Peak
Temperature
8 minutes max.
Time
Interval
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
CR-PF Series Ultra-Low Lead Content Thick Film Resistor
How to Order
CR 0402 - F X - 1003 G PF
Model
CR = Thick Film Fixed Resistor Chip
Size
0402 = 0402 Size
0603 = 0603 Size
0805 = 0805 Size
1206 = 1206 Size
Resistance Tolerance
F = ±1 %
J = ±5 %
TCR (See Electrical Characteristics chart)
W = ±200 PPM/°C
X = ±100 PPM/°C
/ = Used for zero ohm (jumper) and values from 1 ohm through 9.1 ohms
Resistance Value
1 % Tolerance:
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