RESISTOR
MINIATURE WIREWOUND RESISTORS
200 SERIES 1 to 10 Watt
RoHS Sn/Pb
FEATURES
C
1.250” Min 3
►Significant space savings!
B
A
►Tolerance to ±0.010%, TCR to 5ppm/°C
►Wide resistance range: 0.005Ω to 250K
►All sizes available on Tape & Reel
(Type 202 is1.10”)
d
TYP
OPTIONS
►Opt. X: Low Inductance
►Opt. P: Increased Pulse Capability
►Opt. F: Flameproof Coating (UL94V-0)
►Opt. ER: 100-Hour Burn-In
►Opt. E: Low Thermal EMF
Typically half the size of conventional resistors! Type 202 is world's smallest
wirewound resistor!
Series 200 resistors offer the same MIL-grade construction as Series 100 resistors except
utilize proprietary materials and processing, enabling significant size reductions. Series 200
resistors are ideal when PCB real estate is at a premium! Highest grade materials enable
excellent stability and environmental performance. Mil-Spec screening available.
►Other: Matched Sets, Cut & Formed Leads, Special Marking, 4-Terminal, Hi-Rel
Screening, Hermetic Seal, Non-Standard Values, Increased Dielectric Strength, etc.
DIMENSIONS
In (mm)
WATTAGE
RATING
(W)
MAX
VOLTAGE 1
(V)
d
RCD
RESISTANCE
RANGE
B
TYPE
A
MAX
C 2
STD
OPT.
0.150±0.032
[3.81±0.80]
0.200
0.064±0.020
[1.63±0.50]
0.020
202
210
232
235
255
272
1
2
30
40
0.010Ω - 2K
0.010Ω - 10K
0.005Ω - 20K
0.005Ω - 40K
0.005Ω - 80K
0.005Ω - 250K
N/A
[5.08]
[0.50]
0.250±0.040
[6.35±1.0]
0.300
[7.62]
0.093±0.025
[2.36±0.60]
0.020
[0.50]
0.024
[0.60]
(Opt. 22)
(Opt. 18)
0.350±0.040
[8.9±1.0]
0.480
[12.2]
0.140±0.032
[3.56±0.80]
0.031
[0.80]
3
60
N/A
0.500±0.040
[12.7±1.0]
0.595
[15.1]
0.188±0.032
[4.78±0.80]
0.031
[0.80]
0.040
[1.0]
5
157
210
600
0.625±0.040
[15.9±1.0]
1.040±0.048
[26.4±1.2]
0.765
[19.4]
1.125
[28.6]
0.232±0.032
[5.89±0.80]
0.350±0.032
[8.89±0.80]
0.040
[1.0]
0.040
[1.0]
7
N/A
N/A
10
1 Volt Rating determined by E = √(PR), E not to exceed max. rating. Increased ratings available. Multiply by 0.70 for Opt. X.
2 Allow 0.032" additional for Opt. X and values below 1.0Ω.
3 Lead Length applies to bulk packaged parts units, parts supplied on tape may be shorter (refer to taping specifications).
DERATING
100
80
60
40
20
0
-55
25
50
75
100 125 150 175 200 225 250 275 300
AMBIENT TEMPERATURE ( °C )
Power resistors reach elevated temperatures when operated near full
wattage, and therefore should be mounted off the PCB and derated
according to required stability levels.
TYPICAL PERFORMANCE 4
600ppm (standard)
0.0050Ω - 0.0099Ω
TYPICAL SIZE COMPARISON
200ppm, 300ppm (Opt.)
300ppm (standard)
0.010Ω - 0.049Ω
0.050Ω - 0.099Ω
0.10Ω - 0.99Ω
1.0Ω - 9.9Ω
100ppm, 200ppm (Opt.)
200ppm (standard)
2W Carbon Composition
50ppm, 100ppm (Opt.)
90ppm (standard)
Temperature Coefficient TYP
2W Wirewound (standard)
2W Wirewound (Type 210)
(Consult factory for TC on Opt. P)
20ppm, 30ppm, 50ppm (Opt.)
50ppm (standard)
10ppm, 20ppm, 30ppm (Opt.)
20ppm (standard)
PART NUMBER DERIVATION
10Ω & above
5ppm, 10ppm (Opt.)
210
- 1001 - F B
W
RCD Type:
1µH to 50µH TYP
Inductance, Standard
(depends on size & resistance value)
Options: X, P, F, ER, E, 22, 18, 33
(leave blank if standard)
≤50Ω
>50Ω
Resistance Code: ≤1%: 3 signif. digits & mult.
ex: R100 = 0.10Ω, 1R00 = 1Ω, 1000 = 100Ω, 1001 = 1KΩ
2% - 10%: 2 signif. digits & mult.
Type 202X - 235X
Type 255X
0.20µH MAX 0.37µH MAX
0.30µH MAX 0.60µH MAX
Inductance, Opt. X
(levels as low as 20nH available)
ex: R10 = 0.10Ω, 1R0 = 1Ω, 100 = 10Ω, 102 = 1KΩ
Type 272X
0.60µH MAX
1.0µH MAX
Tolerance: K = ±10%, J = ±5%, H = ±3% G = ±2%, F = ±1%, D = ±0.50%,
C = ±0.25%, B = ±0.10%, A = ±0.050%, Q = ±0.020%, T = ±0.010%
Packaging: B = Bulk, T = Tape & Reel
500V (300V Type 202), 1KV available (Opt. 33)5
Dielectric Strength
Overload (5 sec.)
4 Dependent on value, options, etc.
5X rated W 202-235, 10X rated W 255-272
Optional TC: 5 = 5ppm, 10 = 10ppm, 20 = 20ppm, 30 = 30ppm,
50 = 50ppm, 101 = 100ppm, 201 = 200ppm (leave blank if standard)
Termination: W = RoHS (standard), Q = Tin/Lead (leave blank if both are acceptable)
5 Allow 0.020" additional to Opt. 33 body diameter. (excludes type 202)
520 E. Industrial Park Drive #1, Manchester, NH 03109 USA | T (603) 669-0054 | RCDcomponents.com
Sale of this product is in accordance with GF-061. Specifications subject to change without notice. Verify revision level prior to use.
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