作者: Digi-Key 工程师 Kevin Chow
如果你拥有来自TE的浸锡Plasti-Grip(环形或铲形)端子,那么当发现零件表面颜色变暗时,你可能会担心零件已经氧化。在将其丢弃前,不妨考虑一下TE电镀工程师的解释。
锡可能会因多种因素而氧化变黑或变成其他灰色:
- 与其他锡表面发生震动(微动腐蚀)
- 锌从铜基板转移到镀锡层时发生的锌氧化
- 冷藏保存时低温将纯锡从 β 同素异形体转化为 α (锡瘟)
- 潮湿和腐蚀性贮存条件也会导致镀锡发生氧化
这些都是众所周知的现象,而深色只是外观问题,因为接触电阻的小幅增加不会对功能产生影响。
适用的零件编号
32944
32945
32947
32948
32949
32950
32951
32952
32953
32957
32958
32959
32960
32961
32981
34090
34140
34141
34142
34143
34144
34145
34146
34147
34148
34149
34150
34151
34152
34154
34157
34158
34159
34160
34161
34162
34163
34164
34168
34173
34821
34822
34823
34824
34825
34826
34827
34835
34837
34852
34853
34854
34855
34856
35349
35451
35492
52041
52042
52043
52045
52263
52264
52265
52266
52267
52289
52291
52350
52453
52454
52455
52463
52464
52465
52474
52475
52856
52947
52948
52949
52950
52951
52955
52956
52957
52961
52962
52963
130014
130054
130098
130102
130126
130417
130568
130677
130678
130699
160136
160171
160212
160213
160292
160293
160294
160296
160300
165004
165008
165010
165012
165017
165019
165035
165405
165406
165407
165408
165410
165412
165414
165416
320263
321518
322249
322307
322310
322313
322315
322316
322395
322834
322994
324083
324165
324169
324170
324172
324560
324581
326819
327043
327735
328516
328527
330518
1-1377173-0
1-1377173-1
1-1377173-2
1-1377173-3
1-1377173-4
1-1377173-5
1-1377173-7
1-1377173-9
1-322249-0
1-322249-1
1-322249-1
1-322249-9
1-322249-9
1-324172-0
1-324172-0
1-324172-0
1-324581-1
1-324581-1
1-330518-1
1-330518-2
1-330518-2
1-34142-1
1-34142-1
1377173-1
1377173-4
1377173-5
1377173-6
1377173-7
1377173-8
1377173-9
1-52042-0
1-52042-0
1-52042-3
1-52266-0
1-52266-0
170535-1
170647-2
170780-1
170784-1
170787-1
170787-2
171509-7
171509-8
171510-5
171512-1
171517-1
171519-1
171519-2
171551-1
171551-2
171552-1
184150-1
1958413-1
2-130014-1
2-130014-1
2-130102-1
2-130126-1
2-1377173-1
2-1377173-2
2-1377173-3
2-1377173-4
2-1377173-6
2-1377173-8
2-160292-1
2-165008-1
2-165008-1
2-165012-0
2-165012-0
2-321518-1
2-321518-1
2-322994-1
2-322994-1
2-324165-1
2-324165-1
2-324165-4
2-324169-1
2-324169-1
2-324170-1
2-324170-1
2-324170-1
2-324184-1
2-324560-1
2-326819-1
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2-327735-1
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2-328261-1
2-328516-1
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322511-1
342101-1
342102-1
342103-1
342104-1
342105-1
342106-1
342117-1
342118-1
342142-1
342143-1
342144-1
342145-1
342156-1
342182-1
342183-1
342184-1
342185-1
342186-1
342197-1
4-1377173-0
5-1377175-4
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52041-1
52041-3
52041-6
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52041-7
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52041-9
52042-1
52042-2
52042-3
52042-4
52042-5
52042-7
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52042-9
52043-1
52043-2
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52043-5
52043-5
52043-7
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52044-1
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52045-1
52045-2
52045-5
52046-1
52262-1
52263-1
52263-2
52263-2
52263-3
52263-3
52263-4
52263-4
52263-5
52264-1
52264-4
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52264-5
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52265-3
52265-3
52265-4
52266-1
52266-3
52266-4
52266-9
52267-1
52291-1
52291-4
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52291-5
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52453-1
52453-1
52454-1
52454-1
52455-1
52463-1
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52464-1
52464-1
52465-1
52465-1
52475-1
52475-3
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52856-1
52856-1
52947-1
52947-1
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52949-1
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53975-1
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53980-1
54725-1
54748-1
54753-1
54754-1
54774-1
54774-2
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54775-1
54775-2
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54947-1
55621-1
55621-2
55621-2
55654-1
55678-1
55678-2
55678-2
55679-1
55679-2
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55680-2
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696047-1
696047-1
696048-1
696049-1
696049-2
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696050-1
696050-2
696050-2
696050-2
7-52956-1
8-322249-1
8-322994-1
8-324165-1
8-324169-1
8-324172-2
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8-328516-1
8-328527-1
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8-34140-1
8-34141-1
8-34142-1
8-34144-1
8-34145-1
8-34146-1
8-34147-1
8-34148-1
8-34149-1
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8-34151-1
8-34152-1
8-34157-1
8-34158-1
8-34159-1
8-34160-1
8-34161-1
8-34162-1
8-34163-1
8-34173-2
8-34823-2
8-34837-2
8-34852-2
8-34853-1
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8-34855-2
8-34856-2
8-52041-5
8-52265-5
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8-53978-2
9-1377172-5
9-1377172-6
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9-1377172-9
9-52956-1
A27302-ND
A27303-ND
A27304-ND
A27308-ND
A28192-ND
A27305-ND
A27307-ND
A09019-ND
A27309-ND
A113460-ND
32958-ND
A27310-ND
A09021-ND
A27312-ND
A27573-ND
A101060-ND
A0954-ND
A0955-ND
A09016-ND
A28199-ND
A0956-ND
A09017-ND
A09018-ND
A27306-ND
A0957-ND
A0958-ND
A0959-ND
A0960-ND
A0961-ND
A122609-ND
A0962-ND
A09020-ND
A0963-ND
A0964-ND
A0965-ND
A0966-ND
A0967-ND
A0968-ND
A28194-ND
A0973-ND
A34821-ND
A34822-ND
34823-ND
A27555-ND
34825-ND
34826-ND
34827-ND
A127609-ND
A09023-ND
A27313-ND
A0969-ND
A0970-ND
A0971-ND
A0972-ND
A32017-ND
35451-ND
A32018-ND
A27530-ND
A127613-ND
52043-ND
52045-ND
A27318-ND
A27326-ND
A27323-ND
A27331-ND
52267-ND
A119648-ND
A27321-ND
A27535-ND
A09027-ND
A09028-ND
A09029-ND
A09030-ND
A09031-ND
A09032-ND
A119647-ND
52475-ND
A09025-ND
A0988-ND
52948-ND
A0989-ND
A0990-ND
A0991-ND
A0992-ND
A0993-ND
A0994-ND
A27577-ND
A27578-ND
A27445-ND
A144737-ND
130054-ND
A127614-ND
130102-ND
A112026-ND
130417-ND
A122529-ND
A122530-ND
130678-ND
130699-ND
A121991-ND
160171-ND
160212-ND
160213-ND
160292-ND
A124517-ND
160294-ND
160296-ND
A123858-ND
A121038-ND
A112591-ND
165010-ND
A122550-ND
165017-ND
A145080-ND
165035-ND
165405-ND
165406-ND
165407-ND
165408-ND
165410-ND
165412-ND
165414-ND
165416-ND
320263-ND
A28193-ND
A0982-ND
A121362-ND
A27557-ND
A27558-ND
322315-ND
A27559-ND
322395-ND
A113450-ND
A0977-ND
324083-ND
A0985-ND
A0983-ND
324170-ND
A0987-ND
A28249-ND
A0986-ND
326819-ND
A27425-ND
A27572-ND
A0984-ND
A27311-ND
330518-ND
A127725-ND
A134662-ND
A134663-ND
A127726-ND
A127727-ND
A134664-ND
A134666-ND
A134668-ND
A27433-ND
A0982TR-ND
A0982CT-ND
A27433TR-ND
A27433CT-ND
A134936TR-ND
A134936CT-ND
A134936DKR-ND
A0986TR-ND
A0986CT-ND
1-330518-1-ND
A28230TR-ND
A28230CT-ND
A28201TR-ND
A28201CT-ND
A135057-ND
A127933-ND
A127934-ND
A135058-ND
A135059-ND
A135060-ND
A135061-ND
A134964TR-ND
A134964CT-ND
1-52042-3-ND
A100420TR-ND
A100420CT-ND
A135194-ND
A135198-ND
A106341-ND
A106343-ND
170787-1-ND
170787-2-ND
171509-7-ND
171509-8-ND
171510-5-ND
A135209-ND
171517-1-ND
A135210-ND
171519-2-ND
A122333-ND
A135212-ND
171552-1-ND
A135342-ND
A135363-ND
A135378TR-ND
A135378CT-ND
2-130102-1-ND
2-130126-1-ND
A128500-ND
A135384-ND
A135385-ND
A135386-ND
A135387-ND
A135389-ND
2-160292-1-ND
A135416TR-ND
A135416CT-ND
A135417TR-ND
A135417CT-ND
A28193TR-ND
A28193CT-ND
A100502TR-ND
A100502CT-ND
A0985TR-ND
A0985CT-ND
2-324165-4-ND
A135537TR-ND
A135537CT-ND
A135538TR-ND
A135538CT-ND
A135538DKR-ND
2-324184-1-ND
A28249TR-ND
A135545TR-ND
A135545CT-ND
A27425TR-ND
A27425CT-ND
A27572TR-ND
A27572CT-ND
2-328261-1-ND
2-328516-1-ND
A28221TR-ND
A28221CT-ND
A135553TR-ND
A27303TR-ND
A27303CT-ND
A27304TR-ND
A27304CT-ND
A27308TR-ND
A27308CT-ND
A28192TR-ND
A28192CT-ND
A27305TR-ND
A27305CT-ND
A27307TR-ND
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A09019TR-ND
A09019CT-ND
A27309TR-ND
A27309CT-ND
A135554TR-ND
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A135555TR-ND
A135555CT-ND
A27310TR-ND
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A09021TR-ND
A09021CT-ND
A100514TR-ND
A100514CT-ND
A135568TR-ND
A135568CT-ND
A0955TR-ND
A0955CT-ND
A28199TR-ND
A0956TR-ND
A0956CT-ND
A09017TR-ND
A09017CT-ND
A28212TR-ND
A28212CT-ND
A135569-ND
A135570TR-ND
A135570CT-ND
A27306TR-ND
A27306CT-ND
A0957TR-ND
A0957CT-ND
A28210TR-ND
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A0958TR-ND
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A0959TR-ND
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A0960TR-ND
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A28218TR-ND
A28218CT-ND
A135574TR-ND
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A0963TR-ND
A0963CT-ND
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A0964CT-ND
A135575-ND
2-34160-3-ND
A0965TR-ND
A0965CT-ND
A135576-ND
A105453TR-ND
A105453CT-ND
A28224TR-ND
A28224CT-ND
2-34162-3-ND
A100523TR-ND
A100523CT-ND
A28225-ND
A28194TR-ND
A28194CT-ND
A28236TR-ND
A28236CT-ND
A135578TR-ND
A135578CT-ND
A135579TR-ND
A135579CT-ND
A135580TR-ND
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A135581TR-ND
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A135582TR-ND
A135582CT-ND
A135583TR-ND
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A135583DKR-ND
A100526TR-ND
A100526CT-ND
A135585TR-ND
A135585CT-ND
A135586TR-ND
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A100527TR-ND
A100527CT-ND
A0969TR-ND
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A0970TR-ND
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A0971TR-ND
A0971CT-ND
A28238TR-ND
A28238CT-ND
2-34856-5-ND
2-34959-1-ND
2-35349-1-ND
A135594TR-ND
A135594CT-ND
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A135595CT-ND
2-35492-1-ND
2-696289-2-ND
A135975-ND
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A135978-ND
A135980-ND
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A135982-ND
A128740-ND
A113462-ND
A136083-ND
A122610-ND
A113463-ND
A136084-ND
A136085-ND
A128755-ND
A128756-ND
A136086-ND
A122611-ND
A113464-ND
A139193-ND
342156-1-ND
A122139-ND
A122836-ND
A136087-ND
A122612-ND
A136088-ND
A136089-ND
A136098-ND
A128842-ND
A136151-ND
A27320-ND
A27319-ND
A100646TR-ND
A100646CT-ND
A27320TR-ND
A27320CT-ND
A27319TR-ND
A27325-ND
A27322-ND
A27324-ND
A27533-ND
A136199-ND
A28246TR-ND
A28246CT-ND
A27324TR-ND
A27329-ND
A27327-ND
A27328-ND
A136200TR-ND
A136200CT-ND
A136201TR-ND
A136201CT-ND
A136202TR-ND
A136202CT-ND
A27538-ND
A27539-ND
A27537-ND
A113818-ND
A27333-ND
A117676-ND
A27540-ND
A128868-ND
A27532-ND
A27317-ND
A27318TR-ND
A27318CT-ND
A28240TR-ND
A28240CT-ND
A136207TR-ND
A136207CT-ND
A136208-ND
A27534-ND
A100651TR-ND
A100651CT-ND
A100652TR-ND
A100652CT-ND
A28244TR-ND
A28244CT-ND
52265-4-ND
A136209-ND
A27330-ND
A27536-ND
52266-9-ND
A27332-ND
A27531-ND
A100879TR-ND
A100879CT-ND
A100653TR-ND
A100653CT-ND
A100654TR-ND
A100654CT-ND
A136216TR-ND
A136216CT-ND
52455-1-ND
A100655TR-ND
A100655CT-ND
A09031TR-ND
A09031CT-ND
A136217TR-ND
A136217CT-ND
52475-1-ND
A136218TR-ND
A136218CT-ND
A136218DKR-ND
A100656TR-ND
A100656CT-ND
A0988TR-ND
A0988CT-ND
52948-1-ND
A0989TR-ND
A0989CT-ND
A136232-ND
A136233TR-ND
A136233CT-ND
A0990TR-ND
A0990CT-ND
A136234-ND
A136235TR-ND
A136235CT-ND
A0991TR-ND
A0991CT-ND
A136236TR-ND
A136236CT-ND
A0992TR-ND
A0992CT-ND
A27575-ND
A100658TR-ND
A100658CT-ND
A0993TR-ND
A136237-ND
A136238TR-ND
A136238CT-ND
A0994TR-ND
A0994CT-ND
52957-2-ND
A100659TR-ND
A100659CT-ND
A27577TR-ND
A27577CT-ND
A136239TR-ND
A136239CT-ND
A136240-ND
A136241TR-ND
A136241CT-ND
A100660TR-ND
A100660CT-ND
A09026-ND
52963-3-ND
A136242-ND
A100661TR-ND
A100661CT-ND
A27440-ND
A27440TR-ND
A27440CT-ND
A27441-ND
A27441TR-ND
A27441CT-ND
A27442-ND
53242-2-ND
A136254-ND
A100664TR-ND
A100664CT-ND
A27443-ND
A100665TR-ND
A100665CT-ND
A136258TR-ND
A136258CT-ND
A27576-ND
A100666TR-ND
A100666CT-ND
A136260TR-ND
A136260CT-ND
A27444-ND
A136261TR-ND
A136261CT-ND
A27541-ND
A100667TR-ND
A100667CT-ND
A136262-ND
A136263TR-ND
A136289TR-ND
A136289CT-ND
A09024-ND
A09024TR-ND
A09024CT-ND
53943-1-ND
53943-2-ND
53944-1-ND
53945-1-ND
53946-1-ND
53947-1-ND
53949-1-ND
53950-1-ND
53951-1-ND
53953-1-ND
A117705-ND
53975-1-ND
53977-1-ND
53978-1-ND
53978-2-ND
53980-1-ND
A124528-ND
A33736-ND
54753-1-ND
A27564-ND
A108226-ND
A27556TR-ND
A27556CT-ND
A139215-ND
A136311TR-ND
A136311CT-ND
54947-1-ND
A28196-ND
A28241TR-ND
A28241CT-ND
A27563-ND
A28195-ND
A28195TR-ND
A28195CT-ND
A28197-ND
A28245TR-ND
A28245CT-ND
A28248TR-ND
A28248CT-ND
A136430TR-ND
A136430CT-ND
696048-1-ND
A136431-ND
A100818TR-ND
A100818CT-ND
A136432-ND
A136433TR-ND
A136433CT-ND
A136433DKR-ND
A136590-ND
8-322249-1-ND
A136719-ND
A136726-ND
A136727-ND
A136728-ND
A136730-ND
A136741-ND
A136743-ND
A136746-ND
A139246-ND
A136752-ND
8-32951-1-ND
8-32952-1-ND
A136753-ND
A129120-ND
8-32959-1-ND
A136754-ND
A136755-ND
8-34140-1-ND
A136780-ND
8-34142-1-ND
8-34144-1-ND
8-34145-1-ND
A136781-ND
8-34147-1-ND
A141496-ND
8-34149-1-ND
A136782-ND
A136783-ND
8-34152-1-ND
A136786-ND
A136787-ND
A136788-ND
8-34160-1-ND
A136789-ND
8-34162-1-ND
A136790-ND
A136793-ND
A136800-ND
8-34837-2-ND
A129124-ND
A141497-ND
8-34854-1-ND
8-34855-2-ND
A136801-ND
A129133-ND
8-52265-5-ND
A136824-ND
8-52454-1-ND
A136825-ND
8-52464-1-ND
A136831-ND
8-52948-1-ND
A136832-ND
A136833-ND
8-52951-1-ND
8-52957-1-ND
A136834-ND
A129135-ND
8-53244-1-ND
8-53247-1-ND
8-53978-2-ND
9-1377172-5-ND
A129154-ND
9-1377172-7-ND
9-1377172-9-ND
9-52956-1-ND