Approval Sheet
for
Power Wirewound Resistor
Flame-Proof & Safety Type
PNS Series
±5%
YAGEO CORPORATION
Headquarters: 3F, No.233-1, Pao Chiao Rd., Xindian, Taipei, Taiwan, R.O.C.
Tel: 886-2-6629-9999 Fax: 886-2-6628-8885
URL: www.yageo.com
Page-1
Rev.
Description
Issue Date
Drawn
Approved
00
issue new spec.
May 29, 2012
Feng Ye
Ken Hsu
01
Revised the power rating code and the
thermal resistance
Revised the marking method.
Jul. 29, 2015
Feng Ye
Flora Shen
Jul. 31, 2015
Feng Ye
Flora Shen
02
Description
Power Wirewound Resistors, Flame-Proof & Safety Type
Series
PNS
Rev.
Page-2
02
1.
PRODUCT:
Resistors of series PNS are wound on ceramic carriers, all-welded contacts. Coated, the resistors comply
with all requirements for precision and high ratings.
FLAME-PROOF & SAFETY TYPE
Body colour: Grey
2.
PART NUMBER:
Part number of the precision power wirewound resistor is identified by the name, power, tolerance,
packing, temperature coefficient, special type and resistance value.
Example:
PNS
100
J
T
-
52-
10R
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Series Power Resistance Packing Temperature Special Resistance
Name Rating Tolerance Style
Coefficient
Type
Value
of Resistance
(1) Style: PNS SERIES
(2) Power Rating : 100=1W、180=1.8W、230=2.3W、270=2.7W、360=3.6W、450=4.5W
(3) Tolerance:
J=±5%
(4) Packaging Type:
T=Tape on Box Packing
(5) Temperature Coefficient :”-“=Base on spec.
(6) Special Type:
52-=52.4mm
73-=73mm
52G= 52.4mm packing withψ d=0.65±0.05mm
52Z= 52.4mm packing with spacing 10mm for PNS230 (Normal spacing is
5mm)
(7) Resistance Value:E24 Series
Example: 1R、10R、100R、……
Page-3
3.
MARKING:
4.
ELECTRICAL CHARACTERISTICS
TABLE I
STYLE
Power Rating at 70 ℃
Max. Cont. Work. Voltage
PNS100
1W
PNS180
1.8W
PNS230
2.3W
PNS270 PNS360 PNS450
2.7W
3.6W
4.5W
Thermal resistance (℃/W)
280
155
127
103
Resistance Range
Tolerances
Temperature Coefficient
Insulation Voltage (1min.)
Operating Temp. Range
1R~100R
1R~240R 1R~330R
±5%
120 ± 50 ppm/℃
Max. 500V
- 55 ℃ to + 350 ℃
P70 R
* Below or over this resistance on request.
5.
DERATING CURVE
Page-4
77
62
6.
SAFETY CHARACTERISTIC
The special construction of resistance values >10R results in an immediate interruption (100KOhm.
For other voltages test suitability in the application!
* Resistance values < 10R are flame retardant.
The interruption mechanism is not clearly defined and has to be tested in the final application!
7.
DIMENSIONS
STYLE
DIMENSIONS (unit: mm)
Lmax.
ψ D* max.
ψ d ±0.1
PNS100
9.0
3.0
0.65
PNS180
9.7
4.0
0.80
PNS230
14.5
4.5
0.65
PNS270
12.6
6.0
0.80
PNS360
17.0
6.0
0.80
PNS450
18.0
8.5
0.80
*R
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