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Focus Products
Power Resistors
Series
Resistance
Range
Power Rating
Nominal
Voltage
Temperature Range Thermal Resistance Inductance
Overload Capacity
Short Duration
Dielectric
Strength
Package
RPS250
RPS500
0.24 Ω to
1 MΩ
250 W and 500 W 5000 V
RMS
-55 ºC to +125 ºC
RPS250 = 0.22 ºC/W
RPS500 = 0.11 ºC/W
< 50 nH
RPS250 = 4 PR / 10 s
RPS500 = 2 PR / 10 s
L: 7000 V
RMS
H: 12 000 V
RMS
n/a
Two models within range; custom designs available; connections: M4 screw; lead (Pb)-free and RoHS-compliant available
LPS300
LPS600
LPS800
LPS1100
0.3 Ω to
900 kΩ
300 W, 600 W,
800 W, and 1100 W
5000 V
RMS
-55 ºC to +200 ºC
0.039 ºC to
0.112 ºC/W
≤ 0.1 μH
LPS300 = 4 PR / 10 s, LPS600 = 2 PR / 10 s,
LPS800 = 1.5 PR / 10 s, LPS1100 = 1.6 PR / 10 s
12 000 V
RMS
n/a
Four models within range; connections: M4 screw; RoHS-compliant; weight: 79 g to 83 g
RTOP
0.046 Ω to
1 MΩ
50 W to 200 W
500 V
RMS
to
1500 V
RMS
-55 ºC to +125 ºC
0.5 ºC/W to
1 ºC/W
≤ 0.1 μH 2.5 PR / 5 s 2500 V
RMS
SOT-
227 B
Four models within range; custom designs available; connections: screw or shunt; lead (Pb)-free and RoHS-compliant
RTO20
RTO50
0.010 Ω to
1 MΩ
20 W and 50 W 500 V
RMS
-55 ºC to +155 ºC
RTO20 = 6.5 ºC/W
RTO50 = 2.6 ºC/W
≤ 0.1 μH
2 PR / 5 s < 2 Ω
1.6 PR / 5 s ≥ 2 Ω
2000 V
RMS
TO-220
Two models within range; custom designs available; through-hole and SMD; lead (Pb)-free and RoHS available
LTO30
LTO50
LTO100
0.010 Ω to
1 MΩ
30 W to 100 W 500 V
RMS
LTO 30-50:
-55 ºC to +150 ºC
LTO 100: -55 ºC to +175 ºC
4.2 ºC/W to 1.5 ºC/W ≤ 0.1 μH 1.5 PR / 5 s
1500 V
RMS
to
3000 V
RMS
TO-220
and
TO-247
Three models within range; direct mounting ceramic on heatsink; lead (Pb)-free and RoHS-compliant; custom designs available; AEC-Q200 qualified
LTO150
0.030 Ω to
1.3 MΩ
150 W 500 V
RMS
-55 °C to +175 °C 0.87 °C/W ≤ 0.1 μH 1.5 PR / 5 s 3000 V
RMS
TO-247
Clip mounting ceramic on heatsink; lead (Pb)-free and RoHS-compliant; custom designs available; AEC-Q200 qualified
D2TO20
D2TO35
0.010 Ω to
550 kΩ
20 W to 35 W 500 V
RMS
D2TO20: -55 ºC to +155 ºC
D2TO35: -55 ºC to +175 ºC
D2TO20 = 6.5 ºC/W
D2TO35 = 4.28 ºC/W
≤ 0.1 μH
D2TO20: 2 PR / 5 s < 2 Ω, 1.5 PR / 5 s ≥ 2 Ω
D2TO35: 1.7 PR / 5 s < 2 Ω, 1.4 PR / 5 s ≥ 2 Ω
2000 V
RMS
TO-263 style
(D
2
PAK)
Two models within range; standard package for SMD; lead (Pb)-free and RoHS-compliant; solder reflow secure at 270 °C / 10 s; AEC-Q200 qualified
DTO25
0.016 Ω to
700 kΩ
25 W 200 V
RMS
-55 ºC to +150 ºC 5 ºC/W ≤ 0.1 μH 1.6 PR / 5 s 1500 V
RMS
TO-252 style
(DPAK)
Standard package for SMD; lead (Pb)-free and RoHS-compliant; solder reflow secure at 270 °C / 10 s; AEC-Q200 qualified
RCEC 400
1 Ω to 1 MΩ 400 W 4000 V
RMS
-55 °C to +150 °C 0.1875 °C/W ≤ 0.04 μH 800 W / 10 s 6000 V
RMS
n/a
Possibility of one, two, or three resistors; same footprint as RCEC 500
RCEC 500
RCEC 750
RCEC 850
0.47 Ω to
1 MΩ
500 W, 750 W,
and 850 W
5000 V
RMS
RCEC 500: -55 °C to +125 °C
RCEC 750: -55 °C to +150 °C
RCEC 850: -55 °C to +150 °C
RCEC 500 = 0.12 ºC/W
RCEC 750 = 0.10 ºC/W
RCEC 850 = 0.083 ºC/W
≤ 0.04 μH
RCEC 500 = 1000 W / 10 s
RCEC 750 = 1200 W / 10 s
RCEC 850 = 1200 W / 10 s
6000 V
RMS
to
12 000 V
RMS
n/a
Possibility of one, two, or three resistors; RCEC 850 same footprint as RCEC 500; three models within range; connections: M4 or M5 screw; RoHS-compliant; creeping distance up to 75 mm for HV
RCMC
0.25 Ω to
18 Ω
500 W 5000 V
RMS
-55 ºC to +125 ºC 0.18 ºC/W ≤ 0.04 μH 1000 W / 10 s
5000 V
RMS
to
12 000 V
RMS
n/a
High pulse energy for snubbers 25 J / 50 µs
Thick Film Chip Resistors
Series
Resistance Min.
(Ω)
Resistance Max.
(Ω)
Tolerance Min.
(± %)
Tolerance Max.
(± %)
TCR Min.
(± ppm/°C)
TCR Max.
(± ppm/°C)
Size Power
RCWP
1 22 M 1 10 100 300 0201 to 2512 to 1 W
Same materials and construction as fully MIL qualified chip resistors; sulfur impervious; customizable to customer requirements
RCWP
Non-Magnetic
1 22 M 1 10 100 300 0201 to 2512 to 1 W
Manufactured using non-magnetic materials
RCP
10 2 K 1 5 150 150 0505 to 2512 to 22 W
Thick film resistive element on an aluminum nitride (AlN) substrate; very high thermal conductivity in a small package size
RCWPM
(Military
M/D55342)
1 22 M 1 10 100 300 0302 to 2512 to 1 W
Military qualified established reliability chip resistor manufactured to MIL-PRF-55342 (M/D55342); M, P, R, U, S, V, and T level failure rates; sulfur impervious
RCWP
Moisture
Resistant
1 22 M 1 10 100 300 0201 to 2512 to 1 W
Designed to be resistant to the degrading effects of moisture while under power: sulfur impervious
RC
10 10 M 1 20 100 200 0504 to 2010 to 0.575 W
Manufactured using special termination materials for use in epoxy-bondable or wire-bondable applications
CRCW 01005 e3
CRCW 0201 e3
1 to 1 M 0.5, 1, 2, 5 100 600 01005, 0201 to 0.05 W
Very small standard R-chip for commercial high volume applications
D/CRCW e3
(lead (Pb)-bearing
version is available)
1 to 10 M 1, 5 ± 100 ppm/K, ± 200 ppm/K 0402 to 2512 0.063 W to 1 W
Standard thick film resistor; stability |∆R/R| = 1 % for 1000 h at 70 ºC; AEC-Q200 qualified
CRCW-HP e3
1 to 1 M 0.5, 1, 5 ± 100 ppm/K, ± 200 ppm/K 0402 to 2512 0.2 W to 1.5 W
Excellent pulse stability; enhanced power rating; AEC-Q200 qualified
D/CRCW-P e3
(lead (Pb)-bearing
version is available)
1 to 10 M 0.25, 0.5, 1 ± 50 ppm/K, ± 100 ppm/K 0402 to 2512 0.063 W to 1 W
Low temperature coefficient (50 ppm/K) and tight tolerances (± 0.25 %); AEC-Q200 qualified
CRCW-IF e3
1 to 100 K 5, 10 ± 200 ppm/K 0402 to 2512 0.063 W to 1 W
High pulse performance; stability |∆R/R| ≤ 1 % for 1000 h at 70 °C; AEC-Q200 qualified
D AP, CRCW-AP
3.6 to 10 M 1, 5 ± 100 ppm/K, ± 200 ppm/K 0402 to 2512 0.063 W to 1 W
AgPd-terminations for conductive gluing; stability |∆R/R| = 1 % for 1000 h at 70 °C
RCG e3
1 10 M 0.5 5 100 200 0402 to 1206 0.063 W to 0.25 W
Green resistor - does not use RoHS exemptions
D/CRCW-TR e3
(lead (Pb)-bearing
version is available)
0.47 10 M 10 20 100 200 0402 to 2512 0.063 W to 1.0 W
Customer-trimmable for applications in precision circuitry where relative tolerances can be compensated by trimming. Asymmetric tolerances of +0 / -10 %, +0 / -20 %, and +0 / -30 % available
THICK FILM RESISTORS
VISHAY INTERTECHNOLOGY, INC.
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