Standard Carbon Film Leaded Resistors

Transcription

1 Standard Carbon Film Leaded Resistors FEATURES Securely bonded carbon film Good moisture resistance ( R max. ±.5 % R) Good long term stability ( R max. ±.5 % R, for h) Low noise (refer to graph) Suitable for general purpose commercial electronics and pulse load applications Lead (Pb)-free solder contacts Pure tin plating provides compatibility with lead (Pb)-free and lead containing soldering processes Material categorization: For definitions of compliance please see STANDARD ELECTRICAL SPECIFICATIONS MODEL SIZE POWER RATING P 7 W LIMITING ELEMENT VOLTAGE U max. V LCA LCA Notes Coating: Light blue. Marking: Color coded. Additional blue color marking after second band. TOLERANCE ± % RESISTANCE RANGE 2 to M 5.22 to 5.M 2 to M 5.22 to M E-SERIES E24 E24 TECHNICAL SPECIFICATIONS PARAMETER UNIT LCA27 LCA44 Rated dissipation, P 7 W.35.6 Limiting element voltage, U () max. V 3 5 Limiting voltage, short-time V 5 Insulation voltage, U ins ( min) V > 7 > 7 Thermal resistance K/W 22 4 Insulation resistance Category temperature range C - 55 to + 55 Failure rate -9 /h < Weight g.2.68 Note () Rated voltage P x R. Revision: 5-Jun-3 Document Number: 235 ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

2 PART NUMBER AND PRODUCT DESCRIPTION Part Number: LCA2724J25 L C A J 2 5 MODEL/SIZE VARIANT TCR VALUE TOLERANCE PACKAGING () SPECIAL LCA27 LCA44 = Neutral = Neutral See diagram 3 digit value digit multiplier Multiplier 7 = * -3 8 = * -2 9 = * - = * = * 2 = * 2 3 = * 3 4 = * 4 5 = * 5 6 = * 6 G = ± 2 % J = ± 5 % Notes The PART NUMBER shown above is to facilitate the unified part numbering system for ordering products. () Please refer to table PACKAGING. 25 = A5 22 = A2 (G53) 2 = A D5 = R5 D2 = R2 Product Description: LCA27 2K4 5 % A5 LCA27 2K4 5 % A5 Up to 2 digits = Standard MODEL RESISTANCE VALUE TOLERANCE PACKAGING () LCA27 LCA44 22K = 22 k R = ± 2 % ± 5 % A5, R5 A, R2 A2 PACKAGING MODEL PIECES/REEL CODE REEL MIN. ORDER QTY PACKAGING UNITS PIECES/BOX CODE BOX MIN. ORDER QTY PACKAGING UNITS 5 A5 LCA27 5 R5 2 A2 LCA44 2 R2 A DIMENSIONS in millimeters 6 mm L L d D e B MODEL D max. L L B d e LCA ± LCA ±.8 5. Notes Taping in according with IEC D and L measured in according with IEC d according to IEC 63. Revision: 5-Jun-3 2 Document Number: 235 ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

3 % RATED POWER AMBIENT TEMP. IN C DERATING TEMPERATURE RISE TEMPERATURE RISE IN C POWER IN W NON-LINEARITY A 3 in db K K K M M NON-LINEARITY RESISTANCE VALUE [Ω] CURRENT NOISE (µv/v) K K CURRENT NOISE K M M RESISTANCE VALUE [Ω] TEMPERATURE COEFFICIENT [ -6 / C] K K K M M TEMPERATURE COEFFICIENT (mean value) between - 25 C to + 25 C deviation ± 25 % RESISTANCE CHANGE Δ RR / [%] K K K M M ENDURANCE RESISTANCE VALUE [Ω] at upper category temperature, 55 C h Revision: 5-Jun-3 3 Document Number: 235 ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

4 STABILITY NOMOGRAM, TYPICAL VALUES (For handling see General Information) ϑ ü = f [ P] PARAMETER: SIZE LOAD P [W] Δ RR / (t) = f [Δ RR / (t = h)] PARAMETER: TIME t = h 44 h 5 h 2 h h TEMPERATURE RISE ϑ ü [C] RESISTANCE CHANGE Δ RR / [%] after h..5 ϑ ü = f [ϑs] PARAMETER: ϑu FILM TEMPERATURE ϑs [ C] R-K K K M ϑu = 2 C 5 5 Δ RR / [t = h] = f [ϑs] PARAMETER: RESISTANCE VALUE RESISTANCE CHANGE Δ RR / [%] FILM TEMPERATURE ϑs [ C] C 6 C 8 C C 2 C 4 C POWER RATING P [W] POWER RATING P [W] PULSE VOLTAGE Ü MAX. [V] Secondary conditions: Secondary conditions: a) P P7 (permissible constant a) Pϑ power at ϑu = 7 C) b) ϑu 7 C b) ϑu 7 C c) R Ω c) R Ω d) Ûmax. see diagram below d) Ûmax. see diagram below SQUARE PULSE t i (s) SQUARE PULSE t i (s) PULSE RATING P PULSE RATING P P IMPEDANCE K K K K Ω Secondary conditions: a) Pmax. see diagram below b) ϑu 7 C SQUARE PULSE t i (s) MAXIMUM PULSE VOLTAGE Ω FREQUENCY IN MHz HF CHARACTERISTICS LCA27 Revision: 5-Jun-3 4 Document Number: 235 ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

5 PERFORMANCE CHARACTERISTICS TEST CONDITIONS OF TEST REQUIREMENTS ( R/R) () Endurance test at 7 C IEC 65-, Endurance at UCT IEC 65-, Overload test IEC 65-, 4.3 Thermal shock IEC 65-, 4.9 Climatic sequence IEC 65-, 4.23 Damp heat steady state IEC 65, 4.24 Resistance to soldering heat IEC 65-, 4.8 Robustness of terminations IEC 65-, 4.6 Vibration IEC 65-, 4.22 Note () For ohmic values between and M. h at 7 C,.5 h ON,.5 h OFF 8 h at 7 C,.5. h ON,.5 h OFF h at 55 C without load 8 h at 55 C without load 2.5 x rated power or twice the limiting element voltage, 2 s for size 27; 5 s for size 44 ±.5 % ± 4. % ± 3. % ± 8. % ±.5 % Rapid change between upper and lower category temperature ±.25 % Dry heat, damp heat cyclic, cold, low air pressure ±.5 % 56 days; 4 C; 9 % to 95 % RH; loaded with. P 7 ±.5 % s at 26 C solder bath temperature ±.25 % Tensile, bending and torsion ±.25 % Frequency Hz to 5 Hz; displacement.5 mm or acceleration g; three directions; 6 h ±.25 % APPLICABLE SPECIFICATIONS CECC 4-86 EN 4; EN 65- Revision: 5-Jun-3 5 Document Number: 235 ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

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