Through-hole resisTors
Cement Resistors
Vertical Lead Type
Normal Style [ SQM Series ]
Non-Inductive Style [ NSM Series ]
FeATures
Power Rating
Resistance Tolerance
T.C.R.
2W, 3W, 5W, 7W, 10W
±5%
±250ppm/°C, -80~500ppm/°C (depends on value)
DerATiNg CurVe
iNTroDuCTioN
The SQM Series are ceramic housed resistors
with fiberglass based wirewound or ceramic
rod wirewound or metal oxide core. The
NSM Series are ceramic housed low-inductive
resistors with ceramic rod wirewound core.
The materials used and the construction
techniques ensure excellent flame resistance,
arc resistance and moisture resistance as well
as self-extinguishing capabilities. They will
withstand the most rigorous loading test.
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.
40 70
100
80
60
40
20
-50
0
50
100 150 200 250 300
3W-5W
7W-10W
2W
155
275 °C
TeMPerATure rise
250
200
150
100
50
20
40
60
80
100 120
10W
7W
5W
3W
2W
Rated Load
(%)
(°C)
Temperature Rise
Ambient Temperature (°C)
Rated Load (%)
DiMeNsioNs
sTYle
W
S
Normal
SQM200
H
SQM300
SQM500
3.5±1
P
ø08±0.05
SQM700
SQM10A
SQM10S
Non-ind.
NSM200
NSM300
NSM500
NSM700
NSM10A
NSM10S
DiMeNsioN
h
20±1.5
25±1.5
25±1.5
39±1.5
51±1.5
35±1.5
W
11.0±1.0
12.0±1.0
13.0±1.0
13.0±1.0
13.0±1.0
16.0±1.0
s
7.0±1.0
8.0±1.0
9.0±1.0
9.0±1.0
9.0±1.0
12.0±1.0
Unit: mm
P
5
+2-1
5
+2-1
5
+2-1
5
+2-1
5
+2-1
7
+2-1
63
eleCTriCAl ChArACTerisTiCs
NorMAl sTYle
sTYle
Power Rating at 40°C
Power Rating at 70°C
Maximum Working Voltage
Maximum Overload Voltage
Voltage Proof on Insulation
Resistance Range
(Ceramic based wirewound)
Resistance Range (Metal Oxide Film)
Resistance Range
(Fiberglass based wirewound)
Operating Temp. Range
Temperature Coefficient
2W
250V
500V
500V
0.1Ω - 36Ω
39Ω - 1MΩ
0.1Ω - 1KΩ
-55°C to +155°C
±300ppm/°C
350V
700V
700V
0.1Ω - 68Ω
75Ω - 1MΩ
0.1Ω - 4.7KΩ
0.1Ω - 130Ω
150Ω - 1MΩ
500V
1,000V
1,000V
0.1Ω - 330Ω
360Ω - 1MΩ
0.1Ω - 10KΩ
0.1Ω - 510Ω
560Ω - 1MΩ
0.1Ω - 16KΩ
0.1Ω - 270Ω
300Ω - 1MΩ
0.1Ω - 4.7KΩ
sQM200
sQM300
3W
sQM500
5W
sQM700
7W
sQM10A
10W
sQM10s
NoN-iNDuCTiVe sTYle
sTYle
Power Rating at 40°C
Power Rating at 70°C
Maximum Working Voltage
Voltage Proof on Insulation
Resistance Range
(Ceramic based wirewound)
Operating Temp. Range
Temperature Coefficient
2W
PxR
500V
0.1Ω - 10Ω
-55°C to +155°C
±300ppm/°C
700V
0.1Ω - 30Ω
0.15Ω - 65Ω
1,000V
0.27Ω - 100Ω
NsM200
NsM300
3W
NsM500
5W
NsM700
7W
NsM10A
10W
NsM10s
Note: Special value is available on request
eNViroNMeNTAl ChArACTerisTiCs
PerForMANCe TesT
Short Time Overload
Voltage Proof on Insulation
Temperature Coefficient
Insulation Resistance
Solderability
Solvent Resistance of Marking
Robustness of Terminations
Periodic-pulse Overload
Damp Heat Steady State
Endurance at 70°C
Temperature Cycling
Resistance to Soldering Heat
TesT MeThoD
IEC 60115-1 4.13
IEC 60115-1 4.7
IEC 60115-1 4.8
IEC 60115-1 4.6
IEC 60115-1 4.17
IEC 60115-1 4.30
IEC 60115-1 4.16
IEC 60115-1 4.39
IEC 60115-1 4.24
IEC 60115-1 4.25
IEC 60115-1 4.19
IEC 60115-1 4.18
2.5 times RCWV for 5 Sec.
in V-block for 60 Sec., test voltage by type
-55°C to +155°C
in V-block for 60 Sec.
235±5°C for 3±0.5 Sec.
IPA for 5±0.5 Min. with ultrasonic
Direct load for 10 Sec. in the direction of the terminal leads
4 times RCWV 10,000 cycles (1 Sec. on, 25 Sec. off)
40±2°C, 90-95% RH for 56 days, loaded with 0.1 times RCWV
70±2°C at RCWV for 1,000 Hr. (1.5 Hr. on, 0.5 Hr. off)
-55°C
Room Temp.
+155°C
Room Temp. (5 cycles)
260±3°C for 10±1 Sec., immersed to a point 3±0.5mm from the body
APPrAise
±2.0%+0.05Ω
By type
By type
>1,000MΩ
95% Min. coverage
No deterioration of
coatings and markings
≥2.5kg (24.5N)
±2.0%+0.05Ω
±5.0%+0.05Ω
±5.0%+0.05Ω
±2.0%+0.05Ω
±1.0%+0.05Ω
Revision: 201304
Note: Rated Continuous Working Voltage (RCWV) =
Power Rating x Resistance Value or Max. working voltage listed above, whichever less.
88
exPlANATioNs oF orDeriNg CoDe
MFr
Code 1 - 3
series Name
See Index
-12
Code 4 - 6
Power rating
-05 = ød0.5mm
-06 = ød0.6mm
-07 = ød0.7mm
-08 = ød0.8mm
-10 = ød1.0mm
-14 = ød1.4mm
-12 = 1/6W
-25 = 1/4W
25S = 1/4WS
-50 = 1/2W
50S = 1/2WS
100 = 1W
1WS = 1WS
200 = 2W
2WS = 2WS
204 = 0.4W
207 = 0.6W
300 = 3W
3WS = 3WS
3WM = 3WM
400 = 4W
500 = 5W
5WS = 5WS
5SS = 5WSS
700 = 7W
7WS = 7WS
10A = 10W
20A = 20W
30A = 30W
40A = 40W
50A = 50W
10S = 10WS
15A = 15W
25A = 25W
10B = 100W
25B = 250W
F
Code 7
Tolerance
P = ±0.02 %
A = ±0.05 %
B = ±0.1 %
C = ±0.25%
D = ±0.5 %
F = ±1 %
G = ±2 %
J = ±5 %
K = ±10 %
- = Base on Spec.
T
Code 8
Packing style
T = Tape/Box
R = Tape/Reel
B = Bulk
F
Code 9
Temperature Coef-
ficient of Resistance
- = Base on Spec.
A = ±5 ppm/°C
B = ±10 ppm/°C
C = ±15 ppm/°C
S = ± 20ppm/°C
D = ±25 ppm/°C
E = ±50 ppm/°C
F = ±100 ppm/°C
G = ±200 ppm/°C
H = ±250 ppm/°C
I = ±300 ppm/°C
J = ±350 ppm/°C
52-
Code 10 - 12
Forming Type
26- = 26mm
52- = 52.4mm
73- = 73mm
81- = 81mm
91- = 91mm
F = F Type
FK = FK Type
FKK = FKK Type
FFK = F-form Kink
M = M-Type Forming
MB = M-form W/flat
MT = MT Type Forming
MR = MR Type
AV = AVIsert
PN = PANAsert
100r
Code 13 - 17
resistance Value
0R1 = 0.1
100R = 100
10K = 10,000
10M = 10,000,000
exCePTioN:
• Cement series:
• JPW series:
<Code 8>: Special packing style code
B: Bulk with wirewound or metal oxide sub-assembly for resistance value
W: Bulk with ceramic based wirewound sub-assembly for resistance value
M: Bulk with metal oxide sub-assembly for resistance value
F: Bulk with Fiberglass based wirewound sub-assembly for resistance value
<Code 10-12>: Without forming code
Example:
<Code 13-17>: without resistance value code
Example:
JPW-06-T-52-
SQP500JB-10R
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