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METAL OXIDE RESISTORS, 1/2W to 9W
RSF SERIES- Standard RMF SERIES- Miniature
Low cost! Delivery from stock (standard E-24 values, 5%) Flameproof construction (UL94V-0) 0.1 to 1 Meg, standard tolerances: 1%, 2%, 5% All sizes avail. on horizontal tape, 1/2-3W avail. on vertical tape Options include increased voltages, custom marking, cut & formed leads, Sn-Pb solder leads (Opt. Q), high pulse (Opt. P), etc.
H* L D
RoHS
Term.W is RoHS compliant & 260C compatible
RESISTORS CAPACITORS COILS DELAY LINES
d
RCD`s oxide film resistors are ideally suited for medium-power applications. Surge levels exceed that of other film constructions. A thick complex-oxide material is deposited on a ceramic core for optimum heat dissipation, low inductance, and high stability even after extended periods. Series RMF (mini version) utilizes highest grade cores and special processing for increased power density. Flameproof coating offers excellent environmental protection and is resistant to solvents and humidity. Available bulk or T&R (5Kpcs/reel RMF1/2, 2.5Kpcs RSF1A, 2Kpcs RSF1B & RMF1, 1Kpcs RSF2B & RMF3, 500pcs RSF3B-7B & RMF5-7).
RSF TEMP RISE (C)
* Dim. H is for bulk pack, taped leads may be shorter (refer to taping spec). Non-std lengths and cut&form avail
SERIES R SF
Stock
Opt. P Standard Max. P eak Resistance Voltage Pulse 1 R an g e 25C 70C Rating Voltage2 Wattage
300V 350V 350V 500V 750V 800V 2K V 2.5KV 3K V 4.5KV 6K V 8K V 0.1 to 1M 0.1 to 1M 0.1 to 1M
240 180 120 RSF1A 60 0 100 75 50 25 0 25 50 1 2 3
RSF2B RSF1B
RSF3B
RSF5B
RSF7B
L .032 [.8]
.354 [9] .433 [11] .590 [15]
D.025 [.6]
d.004 [.1]
H* (Min.)
RSF1A 1.0W 0.7W RSF1B 1.5W 1.0W
.135 [3.4] .025 [.65] .165 [4.2] .212 [5.4] .031 [.8] .031 [.8] .031 [.8] .031 [.8] .031 [.8]
.945 [24] .945 [24] 1.06 [27] 1.25 [31.7] 1.375 [35] 1.375 [35]
4 5 6 7 APPLIED WATTAGE
8
9
10
RSF DERATING (% 70C W &V RATING)
Stock Stock
RSF2B 3.0W 2.0W RSF3B 5.0W 3.0W RSF5B 7.0W 5.0W RSF7B 9.0W 7.0W
SERIES RMF Wattage Rating
---------
RSF1A to RSF7B
0.47 to 1M .950 [24.1] .320 [8.1] 0.5 to 240K 1.585 [40.3] .320 [8.1] 2.0 to 510K 2.080 [52.8] .320 [8.1]
75
70
100 125 150 175 200 225 250 AMBIENT TEMPERATURE (C)
Max Opt. P Peak Standard Voltage Pulse Resistance L.032 [.8] D.025 [.6] d.004 [.1] Rating1 Voltage2 R an g e 250V 300V 350V 350V 500V 500V 500V 2K V 2.5KV 3K V 3.5KV 5K V 4K V 5K V 0.1 -510K .250 [6.35] 0.1 -1M 0.1 1M 0.1 -1M .375 [9.53] .450 [11.4] .598 [15.2] .090 [2.3] .135 [3.4] .162 [4.1] .213 [5.4] .335 [8.5] .250 [6.4] .335 [8.5] .024 [.6] .024 [.6] .031 [.8]
RMF TEMP RISE (C)
240 180 120 60 0
RMF1 RMF 1/2 RMF2 RMF3
H* (Min.) .945 [24] .945 [24] .945 [24]
RMF5S RMF5 RMF7
RMF1/2 .5W @70C RMF1 RMF2 RMF3 RMF5 1W @70C 2W @70C 3W @70C 5W @70C
1
2
3
4 5 6 7 APPLIED WATTAGE
8
9
10
RMF DERATING (% 70C W &V RATING)
.031 [.8] 1.25 [31.7] .031 [.8] 1.375 [35] .031 [.8] 1.25 [31.7] .031 [.8] 1.375 [35]
75 50 25 0 25 50
---------
100
0.47 -1M .950 [24.1] 0.47 -1M .695 [17.6] 0.47 -1M .950 [24.1]
RMF1/2 to RMF5 RMF5S & RMF7 100 125 150 175 200 225 250 AMBIENT TEMPERATURE (C)
RMF5S 5W @25C RMF7 7W @25C
75
70
TYPICAL PERFORMANCE CHARACTERISTICS
Temperature Coefficient Insulation Resistance Load Life (1000 hours) Short-Time Overload Temperature Cycling Moisture Resistance Shock and Vibration Effect of Soldering Voltage Coefficient Current Noise Dielectric Strength Standard Marking (custom marking avail) Terminal Strength Operating Temp Range
1
OPTION P PULSE CAPABILITY (single or infrequent pulse)2
10KW
100ppm Typ., 200 Max. 10,000 M Min. 2% RSF70, 3% RSF25, 3% RMF 2.5x rated W, 5S, nte 2x rated V 1.0% 2.0% 0.2% 0.5% .001%/ V <.1V/ V/decade 500V (350V sizes <2W) Color banded or stamped with resis.value & tol as minimum 5 pound pull (minimum) -55 to +235C (+200C RMF)
Peak Wattage
1KW
RMF7P,RSF7BP RMF3P,RSF3BP RMF2P,RSF2BP RMF1P RMF1/2P RSF1AP
100W
10W
1uS
10uS
100uS
1mS
10mS
100mS
P/N DESIGNATION:
RSF2B
- 101 - J
TW
Rated continuous working voltage determined by E=(PR)1/2, E not to exceed max voltage rating. Increased ratings avail. 2 Peak voltage is for Opt.P (derate 50% for std parts), single & infrequent pulses (derate 30-50% for frequent pulses), based on 1uS pulse duration (derate 10-30% for longer pulses). Pulse to be peak wattage and peak voltage rating. Average pulse power to be watt rating. Consult factory for assistance, verify samples.
RCD Type Option Codes: leave blank if standard Resis.Code 1%: 3 signif. figures & multiplier, (R100=.1, 1R00=1,10R0=10,1000=100,1001=1K,1004=1M) Resis.Code 2%-10%: 2 signif. figures & multiplier, (R10=0.1, 1R0=1, 100=10, 101=100, 102=1K, 105=1M) Tolerance Code: J=5% (std), G=2%, F=1% Packaging: B = Bulk, T = Horizontal Tape & Reel , APN=Vertical Tape & Box (available up to 3W size) Termination: W= Lead-free, Q= Tin/Lead (leave blank if either is acceptable)
RCD Components Inc, 520 E.Industrial Park Dr, Manchester, NH, USA 03109 rcdcomponents.com Tel: 603-669-0054 Fax: 603-669-5455 Email:sales@rcdcomponents.com
FA052C Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
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