Through-hole resisT ors
Power Wirewound &
Axial Lead Type
Fiberglass Cement Resistors
Normal & Miniature Style [ PSP Series ]
FeATures
Power Rating 4W, 5W, 7W, 9W, 11W, 17W
Resistance Tolerance 5%, 10%
T.C.R 10ppm/C, 40ppm/C, 40050ppm/C
DerATiNg Cur Ve
For resistors operated in ambient temperatures above 70C, power rating must be derated
iNTroDuCTioN
in accordance with the curve below.
The PSP Series Resistors are wound on
70 350 C
Rated Load (%)
100
Fiberglass core. The materials used and the
80
construction techniques ensure excellent
flame resistance, arc resistance and moisture 60
resistance as well as self-extinguishing
40
capabilities. They will withstand the most
20
rigorous loading test.
0
Ambient Temperature (C)
-50 0 50 100 150 200 250 300 350
As resistors in radio and television receivers,
hazardous conditions such as smoking and
redheat can be completely prevented by the
proper choice of power resistors.
DiMeNsioNs
Unit: mm
s TYle DiMeNsio N
Normal Miniature l W h d
PSP400 - 201.0 6.40.3 6.40.3 0.80.02
363 L 363 W
PSP500 - 251.0 6.40.3 6.40.3 0.80.02
H
- PSP7WS 251.0 9.00.3 9.00.3 0.80.02
d
* *
PSP700 - 381.0 6.40.3 6.40.3 0.80.02
* 6mm, reduced solderability in this area
PSP900 - 381.0 9.00.3 9.00.3 0.80.02
PSP11A - 501.5 9.00.3 9.00.3 0.80.02
PSP17A - 752.0 9.00.3 9.00.3 0.80.0267
Note:
eleCTriCAl ChArACTerisTiCs
s TYle PsP400 Ps P500 Ps P7Ws Ps P700 Ps P900 Ps P11A Ps P17A
Power Rating at 70C 4W 5W 7W 9W 11W 17W
Maximum working voltage PxR
Voltage Proof on Insulation 2000V
Resistance Range 0.1 - 9.1K 0.15 - 15K 0.33 - 33K 0.51 - 47K 0.91 - 82K
Operating Temp. Range -55C to +350C
Temperature Coefficient 10ppm/C, 40ppm/C, 40050ppm/C
Note: Special value is available on request
eNViroNMeNTAl ChArACTerisTiCs
Per For MANCe Tes T Tes T MeTho D APPr Aise
Shor t Time Overload IEC 60115-1 4.13 10 times rated power for 5 Sec. 2.0%+0.05
Voltage Proof on Insulation IEC 60115-1 4.7 in V-block for 60 Sec., test voltage by type By type
Temperature Coefficient IEC 60115-1 4.8 -55C to +155C By type
Insulation Resistance IEC 60115-1 4.6 in V-block for 60 Sec. >10,000M
Solderability IEC 60115-1 4.17 2355C for 30.5 Sec. 95% Min. coverage
No deterioration of
Solvent Resistance of Marking IEC 60115-1 4.30 IPA for 50.5 Min. with ultrasonic
coatings and markings
Robustness of Terminations IEC 60115-1 4.16 Direct load for 10 Sec. in the direction of the terminal leads 50N
Periodic-pulse Overload IEC 60115-1 4.39 4 times RCWV 10,000 cycles (1 Sec. on, 25 Sec. off) 2.0%+0.05
Damp Heat Steady State IEC 60115-1 4.24 402C, 90-95% RH for 56 days, loaded with 0.1 times RCWV 2.0%+0.05
Endurance at 70C IEC 60115-1 4.25 702C at RCWV for 1,000 Hr. (1.5 Hr. on, 0.5 Hr. off) 3.0%+0.05
Temperature Cycling IEC 60115-1 4.19 -55C Room Temp. +155C Room Temp. (5 cycles) 2.0%+0.05
Resistance to Soldering Heat IEC 60115-1 4.18 2603C for 101 Sec., immersed to a point 30.5mm from the body 0.2%+0.05
Note: RCWV(Rated Continuous Working Voltage) = Power Rating x Resistance Value or Max. working voltage listed above, whichever less. Revision: 201304