TYPE. 250 ppm / 200 ppm /

Transcription

1 FEATURES High power in small packages Available wide range to automatic insertion machine. APPLICATIONS All general purpose power applications. DESCRIPTION A homogeneous film of metal alloy is deposited on a high grade ceramic body. After a laser groove has been cut in the resistive layer, tined connecting leads of electrolytic copper are welded to the end-caps. TYPE D 0.8 Dimensions (mm) L1 0.8 L 2 Max. d ( 0.0) PPRR 1W PPRR 2W PPRR 3W QUICK REFERENCE DATA DESCRIPTION VALUE PPRR 1W PPRR 2W PPRR 3W resistance range 0.22Ωto 1 MΩ 0.1Ωto 1 MΩ 0.47Ωto 470 kω resistance tolerance %, 2% ( E24) 1%, ( E48, E96 series ) temperature coefficient : R 4.7Ω R > 4.7Ω rated dissipation at T amb = ppm / 200 ppm / 20 ppm / 200 ppm / 30 ppm / 200 ppm / 1 W 2 W 3W max. working voltage 30 V 00 V 70 V max. overload voltage 700 V 1000 V 1000 V basic specifications IEC and climatic category (IEC60) / 1 / 6 stability, R/R max. after load : 1000 hours Damp heat steady state % 0.1Ω % 0.1Ω % 0.1Ω 3% 0.1Ω 3% 0.1Ω 3% 0.1Ω climatic tests : 3% 0.1Ω 3% 0.1Ω 3% 0.1Ω soldering 1% 0.0Ω 1% 0.0Ω 1% 0.0Ω - 0 -

2 ORDERING INFORMATION Ordering code indicating resistor types and packing Table 1 Type PPRR1W Bandolier width 2mm ( φ0. ) 1mm ( φ0.6 ) 17.8mm ( φ0.6 ) 20mm ( φ0.8 ) Note : 1% : R 2Ω Table 2 Type PPRR2W Packing Quantity ammo 1000 reel 000 R - shape Resistance range Tol. % Ordering code PPRR xxxx PPRR xxx PPRR xxxx PPRR xxx PPRR xxxx PPRR xxx T - shape Ωto 1 MΩ PPRR xxx C/F 1000 PPRR xxx PPRR xxx PPRR xxx Bandolier Resistance Tol. Packing Quantity Ordering code width range % 2mm 1000 PPRR xxx ammo 1 PPRR xxxx 64mm 1000 PPRR xxx 1mm 17.8mm 20mm Note : 1% : R 3Ω Table 3 Type PPRR3W Bandolier width Table 4. Last digit of 12NC R - shape 100 PPRR xxx 0.1Ωto 1 MΩ T - shape 1000 PPRR xxx C/F 1000 Packing Quantity 2mm ammo 00 64mm ammo 00 T - shape 00 Resistance range 0.47Ωto 470 kω Tol. % PPRR xxx PPRR xxx PPRR xxx Ordering code PPRR xxx PPRR xxx PPRR xxx PPRR xxx PPRR 29 xxx PPRR xxx Resistance decade Last digit Resistance decade Last digit 1 to 9.76Ω 8 10 to 97.6 kω 3 10 to 97.6Ω to 976 kω to 976Ω 1 1 to 9.76 MΩ 1 to 9.76 kω 2 10 MΩ 6 Ordering Example The ordering code of a PPRR2W resistor, value 33 kω %, R-shape of 100 units in ammopack is: PPRR

3 Limiting values Table TYPE LIMITING VOLTAGE ( 1 ) (V) LIMITING POWER (W) PPRR 1W 30 1 PPRR 2W 00 2 PPRR 3W 70 3 Note 1. the maximum voltage that may be continuously applied to the resistor element, see IEC publication The maximum permissible hot spot temperature is 1. DERATING The power that the resistor can dissipate depends on the operating temperature : Fig. 1 P max. ( % ) T amb. ( ) Fig. 1 Maximum dissipation (P max) in percentage of rated power as a function of the ambient temperature (T amb. ) - 2 -

4 PULSE LOADING CAPABILTIES PPRR 1W Fig. 2 Pulse on a regular basis: maximum permissible peak pulse power ( P max ) as a function of pulse duration ( t i ). PPRR 2W Fig. 3 Pulse on a regular basis: maximum permissible peak pulse power ( P max ) as a function of pulse duration ( t i )

5 PPRR 3W Fig. 4 Pulse on a regular basis: maximum permissible peak pulse power ( P max ) as a function of pulse duration ( t i )

6 Application information PPRR 1W Fig. Hot spot temperature rise ( T ) as a function of dissipated power Fig. 6 Temperature rise ( T ) at the lead end of the lead (soldering point) as a function of dissipated power at various lead lengths after mounting PPRR 2W Fig. 7 Hot spot temperature rise ( T ) as a function of dissipated power Fig.8 Temperature rise ( T ) at the lead end of the lead soldering point as a function of dissipated power at various lead lengths after mounting - -

7 PPRR 3W Fig. 9 Hot spot temperature rise ( T ) as a function of dissipated power Fig.10 Temperature rise ( T ) at the lead end of the lead soldering point as a function of dissipated power at various lead lengths after mounting MECHANICAL DATA Table 6. Mass per 100 units TYPE MASS ( g ) PPRR 1W 29 PPRR 2W 40 PPRR 3W 140 MARKING The nominal resistance and tolerance are marked on the resistor using four or five colored bands in accordance with IEC publication color codes for fixed resistors Table 7. BODY COLORS TYPE PPRR 1W PPRR 2W PPRR 3W COLORS Red Red Green - 6 -

8 TEST AND REQUIREMENTS Table 8. Test procedures and requirements TEST robustness of terminations: tensile all samples PROCEDURE φ0.60 mm: load 10N:10s φ0.80 mm: load 10N:10s REQUIREMENTS PPRR 1W PPRR 2W PPRR 3W number of failures < 10 ppm bending half number of samples φ0.60 mm: load N: 4x90 φ0.80 mm: load N: 4x90 number of failures < 10 ppm torsion other half number samples 3x360 in opposite directions no damage 0.% 0.0 solderability 2 s ; 23 flux 600 good tinning; no damage soldering heat rapid change of temperature vibration Climatic sequence dry heat damp heat (accelerated) 1 st cycle cold low air pressure damp heat (accelerated) remaining cycles damp heat endurance temperature coefficient dielectric withstanding voltage insulation resistance short time overload Thermal shock: 3 s; 30 6mm from body 30 minutes at and 30 minutes at +1 ;cycles frequency 10 to 00 Hz; displacement 1.mm or acceleration 10g; 3 directions total 6 hours(3x2 hours) 16 hours;1 24hours; ; 90 to 100% RH 2 hours; - 2 hours;8. Kpa; 1 to 3 days; ;9 to 100% RH 6 days; 40 ; 90 to 9% RH dissipation 0.01 P n 1000 hours at 70 ; P n or V max. between and +1 00V RMS during 1min. V- block method 00V DC during 1 minute ; V block method rated voltage x2. s on 4 s off ( V 2 x V max. ) 10 cycles 1% % +0.0 no damage 0.% +0.0 R ins min.; 1000 MΩ 3% % % R 4.7 : 20 ppm/ R > 4.7 : 200 ppm/ no breakdown min. : 10 4 MΩ 2%

9 TEST AND REQUIREMENTS TEST intermittent overload PROCEDURE rated voltage x 3 1 s on 2 s off ( V 2 x V max. ) cycles REQUIREMENTS PPRR 1W PPRR 2W PPRR 3W 1% pulse load see Fig and - 8 -