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 | Type | |||
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TE Connectivity
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | 1.630" (41.40mm) | Polyolefin (PO), Flexible | 53 | 0.330" (8.38mm) | 1.420" (36.07mm) | - | 3.150" (80.01mm) | Boot | |
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TE Connectivity
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Black | Adhesive Coating, Fluid Resistant, Lip | 0.710" (18.03mm) | 1.220" (30.99mm) | 1.380" (35.05mm) | Elastomer, Semi-Rigid | 42 | 0.280" (7.11mm) | 1.220" (30.99mm) | 0.984" (24.99mm) | 2.640" (67.06mm) | Boot | |
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TE Connectivity
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TE Connectivity
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- | - | 0.559" (14.20mm) | 0.748" (19.00mm) | 0.394" (10.01mm) | Polyolefin (PO), Semi-Rigid | 12 | 0.161" (4.09mm) | 0.315" (8.00mm) | 0.945" (24.00mm) | - | Boot - 45° | |
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- | - | 0.799" (20.29mm) | 0.831" (21.11mm) | 0.752" (19.10mm) | Polyolefin (PO), Flexible | 11 | 0.161" (4.09mm) | 0.311" (7.90mm) | - | 1.311" (33.30mm) | Boot, Rectangular | |
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Black | Flame Retardant, Fluid Resistant, Heat Resistant, Lip | 0.752" (19.10mm) | 1.030" (26.16mm) | 0.800" (20.32mm) | Polyolefin (PO), Flexible, Irradiated | 32 | 0.102" (2.59mm) | 0.300" (7.62mm) | 1.770" (44.96mm) | 2.921" (74.19mm) | Boot | |
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Black | Flame Retardant, Fluid Resistant, Heat Resistant, Lip | 0.591" (15.00mm) | 1.012" (25.70mm) | 0.780" (19.81mm) | Polyolefin (PO), Semi-Rigid, Irradiated | 21 | 0.291" (7.39mm) | 1.012" (25.70mm) | 3.902" (99.11mm) | 4.880" (123.95mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 2.311" (58.70mm) | 1.350" (34.29mm) | 1.118" (28.40mm) | Polyolefin (PO), Flexible | 42 | 0.339" (8.61mm) | 1.350" (34.29mm) | - | 2.098" (53.29mm) | Boot, Rectangular | |
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TE Connectivity
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Black | Adhesive Coating, Flame Retardant | 1.110" (28.19mm) | 0.750" (19.05mm) | 0.870" (22.10mm) | Polyolefin (PO), Flexible | 21 | 0.210" (5.33mm) | 0.750" (19.05mm) | - | 1.530" (38.86mm) | Boot, Rectangular | |
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TE Connectivity
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Black | - | 0.640" (16.26mm) | 0.790" (20.07mm) | 0.620" (15.75mm) | Polyolefin (PO), Semi-Rigid | 12 | 0.240" (6.10mm) | 0.790" (20.07mm) | - | 1.030" (26.16mm) | Boot | |
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TE Connectivity
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Black | Abrasion Resistant, Adhesive Coating, Fungus Resistant, Moisture Resistant, Valve, Weather Resistant | 0.591" (15.00mm) | 1.380" (35.05mm) | - | Polyolefin (PO), Rigid | - | - | - | - | 3.543" (89.99mm) | Cap | |
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Black | Abrasion Resistant, Adhesive Coating, Fungus Resistant, Moisture Resistant, Valve, Weather Resistant | 0.295" (7.49mm) | 0.790" (20.07mm) | - | Polyolefin (PO), Rigid | - | - | - | - | 2.165" (55.00mm) | Cap | |
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TE Connectivity
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Black | Flame Retardant | 0.310" (7.87mm) | 0.700" (17.78mm) | 0.790" (20.07mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 11 | 0.150" (3.81mm) | 0.390" (9.91mm) | 0.450" (11.43mm) | - | Boot - 90° | |
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Black | - | 0.130" (3.30mm) | 0.291" (7.39mm) | - | Fluoroelastomer (FKM), Flexible | 21 | - | - | - | 1.000" (25.40mm) | Cap | |
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TE Connectivity
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Black | Adhesive Coating, Flame Retardant, Potting (Injection) Port | 0.559" (14.20mm) | 1.118" (28.40mm) | 1.098" (27.89mm) | Polyolefin (PO), Flexible | 32 | 0.260" (6.60mm) | 1.118" (28.40mm) | 0.630" (16.00mm) | 2.020" (51.31mm) | Boot | |
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TE Connectivity
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TE Connectivity
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Black | Adhesive Coating, Flame Retardant, Potting (Injection) Port | 0.559" (14.20mm) | 1.118" (28.40mm) | 1.098" (27.89mm) | Polyolefin (PO), Semi-Rigid | 32 | 0.260" (6.60mm) | 1.118" (28.40mm) | 0.630" (16.00mm) | 2.020" (51.31mm) | Boot | |
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Black | Adhesive Coating, Flame Retardant | 0.559" (14.20mm) | 1.118" (28.40mm) | 0.350" (8.89mm) | Polyolefin (PO), Semi-Rigid | 32 | 0.260" (6.60mm) | 1.118" (28.40mm) | - | 0.909" (23.09mm) | Boot | |
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Black | Flame Retardant, Fluid Resistant, Heat Resistant, Lip | 0.449" (11.40mm) | 0.882" (22.40mm) | 0.461" (11.71mm) | Polyolefin (PO), Flexible, Irradiated | 11 | 0.252" (6.40mm) | 0.882" (22.40mm) | 1.290" (32.77mm) | 1.748" (44.40mm) | Boot | |
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Black | Flame Resistant | 0.320" (8.13mm) | 0.800" (20.32mm) | 0.750" (19.05mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.130" (3.30mm) | 0.400" (10.16mm) | - | 2.400" (60.96mm) | Boot | |
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Black | - | 0.880" (22.35mm) | 1.880" (47.75mm) | - | Polyolefin (PO), Flexible | 42 | 0.690" (17.53mm) | 1.880" (47.75mm) | 1.000" (25.40mm) | 6.250" (158.75mm) | Boot | |
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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 | |
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TE Connectivity
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Black | - | 0.400" (10.16mm) | 0.980" (24.89mm) | 0.890" (22.61mm) | Elastomer, Fluid Resistant | 21 | 0.710" (18.03mm) | 0.980" (24.89mm) | 0.230" (5.84mm) | - | Boot - 90° | |
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Black | - | 0.701" (17.81mm) | 1.220" (30.99mm) | 1.402" (35.61mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 42 | 0.291" (7.39mm) | 1.000" (25.40mm) | 0.870" (22.10mm) | 2.630" (66.80mm) | Boot | |
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TE Connectivity
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- | - | 0.799" (20.29mm) | 0.831" (21.11mm) | 0.752" (19.10mm) | Elastomer | 11 | 0.161" (4.09mm) | 0.311" (7.90mm) | - | 1.311" (33.30mm) | Boot, Rectangular | |
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TE Connectivity
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Black | - | 0.800" (20.32mm) | 0.830" (21.08mm) | 0.750" (19.05mm) | Polyolefin | 11 | 0.160" (4.06mm) | 0.310" (7.87mm) | - | 1.310" (33.27mm) | Boot | |
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TE Connectivity
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TE Connectivity
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Black | Drain Holes, Flame Retardant, Fluid Resistant, Heat Resistant, Lip | 0.740" (18.80mm) | 1.161" (29.49mm) | 0.469" (11.91mm) | Polyolefin (PO), Semi-Rigid, Irradiated | 32 | 0.331" (8.41mm) | 1.161" (29.49mm) | 4.441" (112.80mm) | 5.461" (138.71mm) | Boot | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Heat Resistant, Lip | 0.740" (18.80mm) | 1.161" (29.49mm) | 0.610" (15.49mm) | Polyolefin (PO), Flexible, Irradiated | 32 | 0.331" (8.41mm) | 1.161" (29.49mm) | 4.441" (112.80mm) | 5.461" (138.71mm) | Boot | |
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TE Connectivity
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Black | - | 0.310" (7.87mm) | 0.620" (15.75mm) | 1.750" (44.45mm) | Elastomer | 12 | 0.310" (7.87mm) | 0.620" (15.75mm) | 1.000" (25.40mm) | - | Boot - 90° | |
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TE Connectivity
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Black | - | 0.410" (10.41mm) | 0.540" (13.72mm) | 0.840" (21.34mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.120" (3.05mm) | 0.260" (6.60mm) | 0.290" (7.37mm) | 1.510" (38.35mm) | Boot | |
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TE Connectivity
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- | - | 0.307" (7.80mm) | 0.618" (15.70mm) | - | Polyolefin (PO), Semi-Rigid | 12 | 0.307" (7.80mm) | 0.620" (15.75mm) | - | 1.748" (44.40mm) | Boot - 90° | |
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TE Connectivity
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- | - | 0.559" (14.20mm) | 0.787" (19.99mm) | 0.394" (10.01mm) | Polyolefin (PO), Semi-Rigid | 12 | 0.161" (4.09mm) | 0.787" (19.99mm) | 0.945" (24.00mm) | - | Boot - 45° | |
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TE Connectivity
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- | - | 0.559" (14.20mm) | 0.787" (19.99mm) | 0.394" (10.01mm) | Elastomer | 12 | 0.161" (4.09mm) | 0.787" (19.99mm) | 0.945" (24.00mm) | - | Boot - 45° | |
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TE Connectivity
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TE Connectivity
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TE Connectivity
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Black | - | 0.390" (9.91mm) | 0.941" (23.90mm) | 0.461" (11.71mm) | Polyolefin (PO), Flexible | 11 | 0.461" (11.71mm) | 0.681" (17.30mm) | 1.118" (28.40mm) | 1.858" (47.19mm) | Boot | |
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TE Connectivity
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Black | Flame Retardant, Lip | 1.110" (28.19mm) | 1.690" (42.93mm) | 2.402" (61.01mm) | Polyolefin (PO), Semi-Rigid | 63 | 0.390" (9.91mm) | 1.690" (42.93mm) | 1.180" (29.97mm) | 3.898" (99.01mm) | Boot | |
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TE Connectivity
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TE Connectivity
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Black | - | 0.390" (9.91mm) | 0.941" (23.90mm) | 0.740" (18.80mm) | Polyolefin (PO), Flexible | 11 | 0.260" (6.60mm) | 0.681" (17.30mm) | 3.449" (87.60mm) | 4.142" (105.21mm) | Boot - 90° | |
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Black | Adhesive Coating, Fluid Resistant | 0.460" (11.68mm) | 0.590" (14.99mm) | 0.590" (14.99mm) | Elastomer, Semi-Rigid | 32 | 0.170" (4.32mm) | 0.590" (14.99mm) | 0.790" (20.07mm) | 1.970" (50.04mm) | Boot | |
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TE Connectivity
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Black | 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 | |
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TE Connectivity
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Black | 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 | |
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TE Connectivity
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Black | Eyelet and Clip, 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 | |
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Glenair
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