1、CECC CECC+YL*LOL- 012 +t W L97YY99 00b2YBb 8T3 W British Standards Institution 2 Park Street, London W1A 2BS Specification Available From: As shown in PD9002 and CECC00200 Boums Electronics Limited Hillend Industrial Park Dunfermline, Fife, KY11 5JD ELECTRONIC COMPONENTS OF ASSESSED QUALITY IN ACCOR
2、DANCE WITH CECC 41 000, CECC 41 100 AND CECC 41 101 Form S series Dimensional Patterns see Appendix A E ES CECC 41101-012 ISSUE B YAY 1990 LEAD SCREW ACTUATED ?RESET POTENTIOMETERS SQUARE FORMS ?RODUCT CODE: 3290P, 3290H, 32901 :ONSTRUCTION: CONTAINER SEALED ESISTIVE ELEMENT: WIREWOUND CTUATING DEVI
3、CE: INSULATED FROM RESISTIVE ELEMEN1 ;LIPPING CLUTCH: AT EACH END OF TRAVEL t TABLE 1 Dimensional Pattern See Style Appendix A AJ s1 o BJ s11 CJ s12 Rated Dissipation W 70 DEG 0.75 0.75 0.75 NOTE : The style reference code shown here is arbitrarily chosen and relates to this detail specification onl
4、y. Refer to the Qualified Products List CECC00200 for details of I manufactures approval to this specification. (1) BS CECC 41101-012 Copyright CENELEC Electronic Components Committee Provided by IHS under license with CECCNot for ResaleNo reproduction or networking permitted without license from IH
5、S-,-,-CECC CECCt4LtLOL- OLZ tt 1974499 0062487 73T - O (u a (u - O (u u) u3 I g/ o a“ Copyright CENELEC Electronic Components Committee Provided by IHS under license with CECCNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Resistance Range Resistance Values 1 O0 Pe
6、rcentage of rated dissipation O Selection Tolerance Area of recommended I operation Temperature Characteristic of resistance (20 to 70 DEG C) : Climatic Category Vibration Severity Bump Severity or Shock Severity Low Air Pressure Limits of Resistance Change (after 1000 hrs of electrical endurance te
7、st ) a-c a-b Starting Torque Total Mechanical Travel Limiting Slider Current Rotational Noise 1Orr. to 50ka Values of 10, 20 and 50 in each decade 5 5% 55/155/56 10Hz to 5OOHz: 98 m/S (whichever is least severe 1 390 m/S ; 4000 bumps 490 m/S ; 11 mS 0,75 mm or 8,5 k Pa (85 m bar) AR 4 t 2,0% + o,tr
8、AR s ub-Group C2 (Destructive) I specimens , .21 Robustness of terminations Test Ua - Tensile Force: 10N Test Ub - Bending Force - SN Visual examination Element resistance Test Tb of IEC Method 1A Temp 26OOC k5OC (immersion time 68-2-20 10 21 sec) Yg 1 en in column P (See Table 2) As in 4.18.2 4s in
9、 4.20.2 V ab V ac:dl% + 5- resolutior L in 4.21.8 Rr 98m/sL (whichever is the less severe) 4.24 1.26 :. 25 Sweep endurance: yotal duration: 6h :See Notes 5 and 7) Change of temperature leasurements during :est Bump (See Note 6) Ilectrical continui As specified in 4.25.4) Vibration inal measurements
10、isual examination lutput ratio Clause Number snd test Conditions of Test Element resistance Terminal resistance Resistance a to b Resistance b to c Temperature: 85 to 90 DEG C (See Note 5) PA: -55 DEG C rB: +155 DEG C isual examination lutput ratio Zlement resistance Lcc el era t ion : 190 m/sz lumb
11、er of bumps: 4( See Note 7) isual examination :lement resistance or Sample size 4.29.2.2 shall app I Each group shall contain 4 specimens - DC load (as in 4.29 2.2) Final measurement3 Visual examination Element resistance Cnsulation resistance See Dl -1) hntinuity Starting torque Lotational noise re
12、thod B roltage proof See D 1.1) Visual examination I - 36 Pe 8 litv Perf ormance Reuuirements C odicity given in 4s in 4.29.6.1 LR:(see table 21 b 100 MA Ls in 4.4.1 : 35 mNm 500 ,s in 4.29.6.8 1s in4.32.3.7(1) IR: (see table21 As in4.32.3.7(1) (12) BS CECC 41101-012 Copyright CENELEC Electronic Com
13、ponents Committee Provided by IHS under license with CECCNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - CECC CECC*41*101- O12 St 1974499 O063877 301 Paw) s of this document was (were) missing upon receipt. The document has been reordered and will be refilmed wh
14、en received. INFORMATION HANDLING SERVICES 8“s #Am (1 1/81) Copyright CENELEC Electronic Components Committee Provided by IHS under license with CECCNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CECC CECC*41*101- O12 XX II 197YY99 O063878 248 m NOTE l:, Clause nu
15、mbers of tests and performance requirements refer to CECC 41 000. NOTE 2: Inspection levels and AQLs are selected from IEC 410. NOTE 3: In this table: P = periodicity (in months) n = sample size c = acceptance criterion LCT = lower category temperature UCT = upper category temperature NOTE 4: Contin
16、uity may be performed while the number of effective operating turns is being checked. NOTE 5: The requirements for preset potentiometers in the test method shall apply. NOTE 6: The bump and shock tests are considered to be alternatives. The Qualified Products List shall indicate which test has been
17、selected. NOTE 7: NOTE 8: The potentiometers shall be mounted by their terminations in such a manner that there shall be no parasitic vibration. For this type of potentiometer, the positions (B) and (C) of 4.8.2 and 4.8.3 respectively of CECC 41 O00 shall be taken as those points at which the output
18、 ratio commences to show a progressive increase. In the case of dispute, positions B and C shall be taken as those points at which the output voltage, expressed as a percentage of the total applied voltage, is numerically equal to the sum of the measured terminal resistance and 1% of the rated resis
19、tance, when expressed as a percentage of the rated resistance. Copyright CENELEC Electronic Components Committee Provided by IHS under license with CECCNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CECC CECC*4L*LOL- 012 * E L974Li99 0063877 184 APPENDIX A OUTLINE
20、S AND DIMENSIONS 1 INTRODUCTION 1.1 If components given in this Appendix are to be stacked, the rated dissipation of such units does not apply. 1.2 All dimensions denoted by an asterisk in the following tables are gauging dimensions to be verified in Sub-Group A3 of Table 3. 1.3 The normal mounting
21、means for the style referred to in Table 1 are indicated on the dhns:ional patterns given in the following pages. 2 DESIGNATION OF TERMINATIONS (See 2.2.24 of CECC 41 000). 3 OUTLINES Drawings shob Appendix. ing the standard d*mensions are included in this Note: Dimension St the lower edge of the ar
22、ea (shown shaded) within which the screw lead shall be located. (15) BS CECC 41101-012 Copyright CENELEC Electronic Components Committee Provided by IHS under license with CECCNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CECC CECC*4L*LOL- 012 * m 1974499 O063880
23、 9Tb m Dimension *A Dimensional Datte rn S 70 Mountinq by Termination3 Nominal Tolerance (mm) (mm) 5,08 50.25 ,G “B 2.54 *C 2.54 I E I C/L D - 50.25 +0.25 CO, 50 - Total mechanical travel: * Gauging dimensions. * 22 turns nominal. The base line is the mounting plane. R S I 2.00 I max 6,OO I min BS C
24、ECC 41101-012 U V 0,70 +0,20 0,60 I0,15 F 7,30 G I 0,50 *H 4,30 I *J I 10,oo *K I 10,oo min +0,05 max max max Copyright CENELEC Electronic Components Committee Provided by IHS under license with CECCNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CECC CECC*YL*LOL-
25、012 * 1974499 0063883 832 = Dimension A B C D E F G Fi APPENDIX A3 Nominal Tolerance (mm) Im) 5.08 2025 2,54 50,25 - - - - C/L .ro,so ?,20 min 0,50 50,OS 70,oo max Dimension i Nominal Tolerance (mm) (mm) I 2,OO R S I 6.00 T I 2,OO I 0,70 U I 0,60 V Total mechanical travel: * Gauging dimensions. * 22
26、 turns nominal. The base line is the mounting plane. rnax min max +o, 20 +.0,15 (17) J 4,30 1 K I 10,oo max max Copyright CENELEC Electronic Components Committee Provided by IHS under license with CECCNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CECC CECC*4L*LOL
27、- OL2 * I L974479 0063882 779 I Dimension APPENDIX A2 Nominal Tolerance (m) (mm) R S 2.00 max 6,OO I min *A fB C D E 5,08 SO,25 2.54 I +0,25 I C/L I 20,SO - - - - G I 0,50 *H 10,oo *J 4,30 CO,O5 rnax max TU+- ,$- I O - - r“ - I *-I Total mechanical travel: 22 turns * Gauging dimensions. nominal. * The base line is the mounting plane. 18) BS CECC 41101-012 Copyright CENELEC Electronic Components Committee Provided by IHS under license with CECCNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
