What are Heat Shrink Boots, Caps ?
Heat Shrink Boots, Caps are protective coverings designed to insulate and secure electrical connections. They are widely used in applications such as board-to-board and cable interconnects, as well as in production electronics assembly. Important specifications for selection include Color, which aids in identification; Material, which affects durability and heat resistance; and Large Diameter Recovered, which ensures a proper fit over connectors. Procurement teams should validate lifecycle status and consider alternate-source options to mitigate sourcing risks.
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| Part & Mfr | Color | Features | Large Diameter Recovered | Large Diameter Supplied | Large Recovered Length | Material | Shell Size | Small Diameter Recovered | Small Diameter Supplied | Small Recovered Length | Total Length Recovered | Total Length Supplied | Type | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
TE Connectivity
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Black | Fluid Resistant | 0.311" (7.90mm) | 0.650" (16.51mm) | 0.559" (14.20mm) | Elastomer, Semi-Rigid | 11 | 0.150" (3.81mm) | 0.469" (11.91mm) | - | 1.000" (25.40mm) | - | Boot | |
TE Connectivity
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Black | Adhesive Coating, Fluid Resistant, Lip | 0.882" (22.40mm) | 1.420" (36.07mm) | 1.654" (42.01mm) | Elastomer, Semi-Rigid | 53 | 0.331" (8.41mm) | 1.420" (36.07mm) | 1.180" (29.97mm) | 3.150" (80.01mm) | - | Boot | |
TE Connectivity
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Black | - | 0.272" (6.91mm) | 0.559" (14.20mm) | - | EPB | 11 | 0.190" (4.83mm) | 0.441" (11.20mm) | 0.690" (17.53mm) | 4.752" (120.70mm) | - | Boot | |
TE Connectivity
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Black | - | 0.461" (11.71mm) | 0.882" (22.40mm) | - | EPB | 21 | 0.319" (8.10mm) | 0.701" (17.81mm) | 0.780" (19.81mm) | 5.252" (133.40mm) | - | Boot | |
TE Connectivity
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Black | - | 0.189" (4.80mm) | 0.394" (10.01mm) | 1.417" (35.99mm) | Elastomer, Semi-Rigid | 13 | 0.189" (4.80mm) | 0.394" (10.01mm) | 2.165" (54.99mm) | 3.661" (92.99mm) | - | Boot, Transition - Breakout, 3:1 | |
TE Connectivity
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Black | Abrasion Resistant, Adhesive Coating, Corrosion Resistant, Flame Retardant, Weather Resistant | 0.354" (8.99mm) | 0.900" (22.86mm) | 2.008" (51.00mm) | Polyolefin (PO), Semi-Rigid | - | 0.118" (3.00mm) | 0.330" (8.38mm) | 0.700" (17.78mm) | - | - | Boot, Transition - Breakout, 3:1 | |
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TE Connectivity
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
TE Connectivity
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Black | Abrasion Resistant, Adhesive Coating, Corrosion Resistant, Flame Retardant, Weather Resistant | 0.500" (12.70mm) | 1.600" (40.64mm) | 2.570" (65.28mm) | Polyolefin (PO), Semi-Rigid | - | 0.150" (3.81mm) | 0.500" (12.70mm) | - | 4.090" (103.89mm) | 3.140" (79.76mm) | Boot, Transition - Breakout, 2:1 | |
3M Electronic Solutions
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Black | Adhesive Coating, Flame Retardant | 0.800" (20.32mm) | 1.250" (31.75mm) | - | Polyolefin (PO), Semi-Rigid | - | 0.190" (4.83mm) | 0.500" (12.70mm) | 1.000" (25.40mm) | 3.300" (83.82mm) | - | Boot, Transition - Breakout, 4:1 | |
TE Connectivity
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Black | - | 0.240" (6.10mm) | 0.520" (13.21mm) | 0.882" (22.40mm) | Fluoroelastomer (FKM), Flexible | 12 | 0.130" (3.30mm) | 0.260" (6.60mm) | 0.760" (19.30mm) | - | - | Boot, Transition - Breakout, 2:1 (Y) | |
3M Electronic Solutions
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Black | Adhesive Coating, Flame Retardant | 0.960" (24.38mm) | 2.360" (59.94mm) | - | Polyolefin (PO), Semi-Rigid | - | 0.290" (7.37mm) | 1.180" (29.97mm) | 1.180" (29.97mm) | 7.080" (179.83mm) | - | Boot, Transition - Breakout, 5:1 | |
Qualtek
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Black | Adhesive Coating, UV Resistant | 0.197" (5.00mm) | 0.551" (14.00mm) | - | - | - | - | - | - | 1.772" (45.00mm) | - | Cap | |
Panduit Corporation
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Black | Adhesive Coating, Dust Tight, Flame Retardant, UV Resistant, Waterproof | 0.160" (4.06mm) | 0.510" (12.95mm) | - | Polyolefin (PO), Rigid, Irradiated | - | - | - | - | - | 2.500" (63.50mm) | Cap | |
Alpha Wire
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Black | - | 0.130" (3.30mm) | 0.290" (7.37mm) | - | Polyolefin (PO), Semi-Rigid | - | - | - | - | 1.000" (25.40mm) | - | Cap | |
Panduit Corporation
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Black | Adhesive Coating, Dust Tight, UV Resistant, Waterproof | 0.449" (11.40mm) | 1.150" (29.21mm) | - | Polyolefin (PO), Semi-Rigid, Irradiated | - | - | - | - | - | 2.800" (71.12mm) | Cap | |
TE Connectivity
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Black | - | 0.843" (21.41mm) | 1.417" (35.99mm) | 1.024" (26.01mm) | Elastomer | 12 | 0.327" (8.31mm) | 1.417" (35.99mm) | 1.811" (46.00mm) | 0.980" (24.89mm) | - | Boot - 45° | |
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Glenair
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
TE Connectivity
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Black | Fluid Resistant | 0.390" (9.91mm) | 0.969" (24.61mm) | 0.858" (21.79mm) | Elastomer, Semi-Rigid | 53 | 0.209" (5.31mm) | 0.969" (24.61mm) | - | 1.500" (38.10mm) | - | Boot | |
TE Connectivity
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Black | Fluid Resistant, Lip | 0.272" (6.91mm) | 0.670" (17.02mm) | 0.941" (23.90mm) | Elastomer, Semi-Rigid | 11 | 0.118" (3.00mm) | 0.670" (17.02mm) | 0.425" (10.80mm) | 1.540" (39.12mm) | - | Boot | |
Panduit Corporation
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Black | Adhesive Coating, Dust Tight, UV Resistant, Waterproof | 0.681" (17.30mm) | 1.579" (40.11mm) | - | Polyolefin (PO), Semi-Rigid, Irradiated | - | - | - | - | - | 3.230" (82.04mm) | Cap | |
3M Electronic Solutions
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Black | Adhesive Coating, Flame Retardant | 1.181" (30.00mm) | 2.988" (75.90mm) | - | Polyolefin (PO), Semi-Rigid | - | - | - | - | 6.220" (157.99mm) | - | Cap | |
Alpha Wire
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Black | - | 0.250" (6.35mm) | 0.600" (15.24mm) | - | Polyolefin (PO), Semi-Rigid | - | - | - | - | 1.600" (40.64mm) | - | Cap | |
TE Connectivity
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Black | Adhesive Coating, Fluid Resistant, Lip | 0.409" (10.39mm) | 0.941" (23.90mm) | 0.830" (21.08mm) | Elastomer, Semi-Rigid | 21 | 0.220" (5.59mm) | 0.941" (23.90mm) | 0.512" (13.00mm) | 1.496" (38.00mm) | - | Boot | |
TE Connectivity
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Black | Adhesive Coating, Flame Retardant, Lip | 0.882" (22.40mm) | 1.420" (36.07mm) | 1.654" (42.01mm) | Polyolefin (PO), Semi-Rigid | 53 | 0.331" (8.41mm) | 1.420" (36.07mm) | 1.180" (29.97mm) | 3.150" (80.01mm) | - | Boot | |
TE Connectivity
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Black | - | 0.701" (17.81mm) | 1.220" (30.99mm) | 1.220" (30.99mm) | Elastomer, Semi-Rigid | 42 | 0.280" (7.11mm) | 1.220" (30.99mm) | 0.980" (24.89mm) | - | - | Boot - 90° | |
TE Connectivity
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Black | Flame Retardant | 0.311" (7.90mm) | 0.650" (16.51mm) | 0.559" (14.20mm) | Polyolefin (PO), Semi-Rigid | 11 | 0.150" (3.81mm) | 0.650" (16.51mm) | - | 1.000" (25.40mm) | - | Boot | |
TE Connectivity
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Black | - | 0.701" (17.81mm) | 1.220" (30.99mm) | 1.390" (35.31mm) | Polyolefin (PO), Semi-Rigid | 42 | 0.283" (7.19mm) | 1.220" (30.99mm) | 0.965" (24.51mm) | 2.630" (66.80mm) | - | Boot | |
TE Connectivity
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Black | Abrasion Resistant, Chemical Resistant, Flame Retardant, Fluid Resistant, Heat Resistant, Lip, Strain Resistant | 0.512" (13.00mm) | 0.760" (19.30mm) | 0.642" (16.31mm) | Elastomer, Semi-Rigid, Irradiated | 21 | 0.083" (2.11mm) | 0.250" (6.35mm) | 0.858" (21.79mm) | 1.752" (44.50mm) | - | Boot - 90° | |
3M Electronic Solutions
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Black | Adhesive Coating, Flame Retardant | 1.770" (44.96mm) | 3.941" (100.10mm) | - | Polyolefin (PO), Semi-Rigid | - | - | - | - | 6.402" (162.61mm) | - | Cap | |
Alpha Wire
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Black | - | 0.370" (9.40mm) | 0.810" (20.57mm) | - | Polyolefin (PO), Semi-Rigid | - | - | - | - | 2.400" (60.96mm) | - | Cap | |
TE Connectivity
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Black | Fluid Resistant, Lip | 1.752" (44.50mm) | 2.600" (66.04mm) | 3.540" (89.92mm) | Elastomer, Semi-Rigid | 85 | 0.661" (16.79mm) | 2.600" (66.04mm) | 2.780" (70.61mm) | 6.690" (169.93mm) | - | Boot | |
TE Connectivity
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Black | - | 0.189" (4.80mm) | 0.394" (10.01mm) | 1.417" (35.99mm) | Elastomer, Semi-Rigid | 23 | 0.189" (4.80mm) | 0.394" (10.01mm) | 2.165" (54.99mm) | 3.661" (92.99mm) | - | Boot, Transition - Breakout, 3:1 | |
3M Electronic Solutions
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Black | Adhesive Coating, Flame Retardant | 2.320" (58.93mm) | 4.900" (124.46mm) | - | Polyolefin (PO), Semi-Rigid | - | 1.000" (25.40mm) | 2.000" (50.80mm) | 2.500" (63.50mm) | 10.000" (254.00mm) | - | Boot, Transition - Breakout, 3:1 | |
TE Connectivity
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Black | - | 0.181" (4.60mm) | 0.402" (10.21mm) | - | Polyolefin (PO), Semi-Rigid | 31 | - | - | - | 1.201" (30.51mm) | - | Cap | |
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Glenair
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TE Connectivity
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Black | - | 0.311" (7.90mm) | 0.701" (17.81mm) | 0.791" (20.10mm) | Elastomer, Semi-Rigid | 11 | 0.150" (3.81mm) | 0.701" (17.81mm) | 0.449" (11.40mm) | - | - | Boot - 90° | |
|
TE Connectivity
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- | - | 0.130" (3.30mm) | 0.290" (7.37mm) | - | Elastomer, Fluid Resistant | - | - | - | - | 1.000" (25.40mm) | - | Cap | |
TE Connectivity
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Black | Adhesive Coating, Lip | 0.559" (14.20mm) | 1.180" (29.97mm) | 1.260" (32.00mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 32 | 0.232" (5.89mm) | 0.591" (15.01mm) | 0.710" (18.03mm) | 2.170" (55.12mm) | - | Boot | |
TE Connectivity
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Black | - | 0.559" (14.20mm) | 1.180" (29.97mm) | 1.060" (26.92mm) | Elastomer, Semi-Rigid | 32 | 0.232" (5.89mm) | 1.180" (29.97mm) | 0.790" (20.07mm) | 1.260" (32.00mm) | - | Boot - 90° | |
TE Connectivity
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Black | - | 0.488" (12.40mm) | 1.060" (26.92mm) | 1.500" (38.10mm) | Elastomer, Semi-Rigid | 23 | 0.240" (6.10mm) | 0.520" (13.21mm) | 1.700" (43.18mm) | - | - | Boot, Transition - Breakout, 2:1 (Y) | |
TE Connectivity
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Black | - | 0.260" (6.60mm) | 0.780" (19.81mm) | 1.600" (40.64mm) | Polyolefin (PO), Flexible | 1 | 0.260" (6.60mm) | 0.520" (13.21mm) | 1.600" (40.64mm) | - | - | Boot, Transition - Breakout, 2:1 (Y) | |
TE Connectivity
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Black | Adhesive Coating, Lip | 0.710" (18.03mm) | 1.220" (30.99mm) | 1.380" (35.05mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 42 | 0.280" (7.11mm) | 0.710" (18.03mm) | 0.984" (24.99mm) | 2.640" (67.06mm) | - | Boot | |
TE Connectivity
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Black | Adhesive Coating | 0.260" (6.60mm) | 0.780" (19.81mm) | 1.600" (40.64mm) | Polyolefin (PO), Flexible | 1 | 0.260" (6.60mm) | 0.520" (13.21mm) | 1.600" (40.64mm) | - | - | Boot, Transition - Breakout, 2:1 (Y) | |
TE Connectivity
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Black | - | 0.382" (9.70mm) | 0.760" (19.30mm) | 1.421" (36.09mm) | Elastomer, Semi-Rigid | 32 | 0.272" (6.91mm) | 0.520" (13.21mm) | 1.770" (44.96mm) | - | - | Boot, Transition - Breakout, 4:1 | |
TE Connectivity
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Black | - | 0.409" (10.39mm) | 0.941" (23.90mm) | 0.984" (24.99mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.220" (5.59mm) | 0.941" (23.90mm) | 0.630" (16.00mm) | 0.984" (24.99mm) | - | Boot - 90° | |
TE Connectivity
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Black | - | 0.710" (18.03mm) | 1.520" (38.61mm) | 2.579" (65.51mm) | Polyolefin (PO), Flexible | 34 | 0.488" (12.40mm) | 1.060" (26.92mm) | 3.098" (78.69mm) | - | - | Boot, Transition - Breakout, 2:1 (Y) | |
TE Connectivity
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Black | - | 0.272" (6.91mm) | 0.520" (13.21mm) | 1.512" (38.40mm) | Elastomer, Semi-Rigid | 11 | 0.138" (3.51mm) | 0.260" (6.60mm) | 0.949" (24.10mm) | - | - | Boot, Transition - Breakout, 4:1 | |
TE Connectivity
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Black | - | 0.272" (6.91mm) | 0.520" (13.21mm) | 1.512" (38.40mm) | Polyolefin (PO), Semi-Rigid | 11 | 0.138" (3.51mm) | 0.260" (6.60mm) | 0.949" (24.10mm) | - | - | Boot, Transition - Breakout, 4:1 | |
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TE Connectivity
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Glenair
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