DATA SHEET
Product Name
C
omplete Pb-Free Thick Film Chip Resistors
Part Name PF Series
Uniroyal Electronics Global Co., Ltd.
88#, Longteng Road, Economic & Technical Development Zone, Kunshan, Jiangsu, China
Tel +86 512 5763 1411 / 22 /33
Email marketing@uni-royal.cn
Manufacture Plant
Uniroyal Electronics Industry Co., Ltd.
Aeon Technology Corporation
Royal Electronic Factory (Thailand) Co., Ltd.
Royal Technology (Thailand) Co., Ltd.
Apr.29,2020 V.5 www. uni-royal.cn
Page 2/7
Com
p
lete Pb-Free Thick Film Chi
p
Resistors
1. Scope
1.1 This datasheet is the characteristics of Complete Pb-Free Thick Film Chip Resistors manufactured by UNI-ROYAL
1.2 Total Lead-Free in Whole resistor body
1.3 Reduction of assembly costs and matching with placement machine
1.4 Suitable for both wave & re-flow soldering
2. Part No. System
Part No. includes 14 codes shown as below:
2.1 1
st
~4
th
codes: Part name. E.g.: PF0A, PF01, PF02, PF03, PF05, PF06, PF07, PF11, PF10, PF12
2.2 5
th
~6
th
codes: Power rating.
E.g.: W=Normal Size “1~G” = “1~16”
Wattage 1/32 3/4 1/2 1/3 1/4 1/8 1/10 1/16 1/20 1
Normal Size WH 07 W2 W3 W4 W8 WA WG WM 1W
If power rating is equal or lower than 1 watt, 5
th
code would be “W” and 6
th
code would be a number or letter.
E.g.: WA=1/10W W4=1/4W
2.3 7
th
code: Tolerance. E.g.: D=±0.5% F=±1% G=±2% J=±5% K= ±10%
2.4 8
th
~11
th
codes: Resistance Value.
2.4.1 If value belongs to standard value of E-24 series, the 8
th
code is zero, 9
th
~10
th
codes are the significant figures of resistance value, and the
11
th
code is the power of ten.
2.4.2 If value belongs to standard value of E-96 series, the 8
th
~10
th
codes are the significant figures of resistance value, and the 11
th
code is
the power of ten.
2.4.311
th
codes listed as following:
0=10
0
1=10
1
2=10
2
3=10
3
4=10
4
5=10
5
6=10
6
J=10
-1
K=10
-2
L=10
-3
M=10
-4
2.5 12
th
~14
th
codes.
2.5.1 12
th
code: Packaging Type. E.g.: C=Bulk T=Tape/Reel
2.5.2 13
th
code: Standard Packing Quantity.
4=4,000pcs 5=5,000pcs C=10,000pcs D=20,000pcs E=15,000pcs
Chip Product: BD=B/B-20000pcs TC=T/R-10000pcs
2.5.3 14
th
code: Special features.
E = Environmental Protection, Lead Free, or Standard type.
3. Ordering Procedure
(Example: PF02 1/16W ±5% 2.2Ω T/R-10000)
P F 0 2 W G J 0 2 2 J T C E
Product Type:
Fill-in 4 digits with
the chip resistor
type as follows:
PF0A
PF01
PF02
PF03
PF05
PF06
PF07
PF11
PF10
PF12
Wattage:
Normal size:
WH=1/32W
WM=1/20W
WG=1/16W
WA=1/10W
W8=1/8W
W4=1/4W
W2=1/2W
07=3/4W
1W=1W
Tolerance:
F=±1%
J=±5%
Resistance Value:
5% (E-24 series):
1
st
code is zero, 2
nd
~3
rd
codes are
the significant figures of
resistance value, and the rest
code is the power of ten.
1% (E-96 series):
1
st
~3
rd
codes are the significant
figures of resistance value and
the rest code is the power of ten.
J=10
-1
; K=10
-2
; L=10
-3
Packing Type:
T=Tape/Reel
Packing quantity:
4=4000PCS
5=5000PCS
C=10000PCS
D=20000PCS
E=15000PCS
Special Feature
E= Lead-Free