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 | - | 0.560" (14.22mm) | 0.760" (19.30mm) | 1.100" (27.94mm) | Polyolefin (PO), Semi-Rigid | 32 | 0.260" (6.60mm) | 0.560" (14.22mm) | 0.630" (16.00mm) | 2.020" (51.31mm) | Boot | |
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TE Connectivity
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- | - | 0.799" (20.29mm) | 0.799" (20.29mm) | 0.728" (18.49mm) | Polyolefin (PO), Flexible | 11 | 0.161" (4.09mm) | 0.311" (7.90mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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TE Connectivity
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Black | - | 0.402" (10.21mm) | 0.980" (24.89mm) | 0.890" (22.61mm) | Polyolefin (PO), Flexible | 21 | 0.209" (5.31mm) | 0.980" (24.89mm) | 0.579" (14.71mm) | - | Boot - 90° | |
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TE Connectivity
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Black | - | 0.400" (10.16mm) | 0.980" (24.89mm) | 0.890" (22.61mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.710" (18.03mm) | 0.980" (24.89mm) | 0.230" (5.84mm) | - | Boot - 90° | |
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TE Connectivity
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- | - | 1.098" (27.89mm) | 1.693" (43.00mm) | 1.772" (45.01mm) | Elastomer | - | 0.390" (9.91mm) | 1.693" (43.00mm) | 2.559" (65.00mm) | - | Boot - 45° | |
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TE Connectivity
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Black | - | 0.800" (20.32mm) | 0.800" (20.32mm) | - | Polyolefin (PO), Semi-Rigid | 11 | 0.160" (4.06mm) | 0.310" (7.87mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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TE Connectivity
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Black | - | 1.150" (29.21mm) | 1.660" (42.16mm) | - | Polyolefin (PO), Semi-Rigid | 32 | 0.290" (7.37mm) | 1.150" (29.21mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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Glenair
|
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- | - | - | - | - | - | - | - | - | - | - | - | |
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Glenair
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TE Connectivity
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Black, Red | Drain Holes, Flame Retardant, Fluid Resistant, Heat Resistant, Lip | 0.740" (18.80mm) | 1.161" (29.49mm) | 0.480" (12.19mm) | 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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Black | - | - | 0.524" (13.31mm) | - | Polyamide (PA), Nylon, Glass Filled | 31 | - | 0.354" (8.99mm) | - | 1.000" (25.40mm) | Boot | |
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TE Connectivity
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Black | - | 0.630" (16.00mm) | 0.800" (20.32mm) | - | Polyolefin (PO), Flexible | 11 | 0.160" (4.06mm) | 0.630" (16.00mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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TE Connectivity
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Black | - | 0.610" (15.50mm) | 1.441" (36.60mm) | - | Polyolefin (PO), Flexible | - | - | 1.441" (36.60mm) | 0.882" (22.40mm) | 5.752" (146.10mm) | Boot | |
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TE Connectivity
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Black | - | 1.110" (28.19mm) | 1.160" (29.46mm) | 0.870" (22.10mm) | Elastomer, Semi-Rigid | 21 | 0.209" (5.31mm) | 0.402" (10.21mm) | - | 1.531" (38.89mm) | Boot, Rectangular | |
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TE Connectivity
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Black | - | 1.110" (28.19mm) | 1.160" (29.46mm) | 0.870" (22.10mm) | Polyolefin (PO), Flexible | 21 | 0.209" (5.31mm) | 0.402" (10.21mm) | - | 1.531" (38.89mm) | Boot, Rectangular | |
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TE Connectivity
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Black | Adhesive Coating | 0.559" (14.20mm) | 1.031" (26.19mm) | 1.098" (27.89mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 32 | 0.260" (6.60mm) | 0.800" (20.32mm) | 0.630" (16.00mm) | 2.020" (51.31mm) | Boot | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Heat Resistant, Lip | 0.902" (22.91mm) | 1.340" (34.04mm) | 0.618" (15.70mm) | Polyolefin (PO), Flexible, Irradiated | 42 | 0.382" (9.70mm) | 1.340" (34.04mm) | 5.150" (130.81mm) | 6.280" (159.51mm) | Boot | |
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TE Connectivity
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- | - | 0.409" (10.39mm) | 0.921" (23.39mm) | 0.890" (22.61mm) | - | - | 0.220" (5.59mm) | 0.921" (23.39mm) | 0.579" (14.71mm) | - | Boot - 90° | |
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TE Connectivity
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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 | - | 0.409" (10.39mm) | 0.921" (23.39mm) | 0.890" (22.61mm) | Elastomer, Fluid Resistant | 21 | 0.220" (5.59mm) | 0.921" (23.39mm) | 0.579" (14.71mm) | - | Boot - 90° | |
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Glenair
|
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- | - | - | - | - | - | - | - | - | - | - | - | |
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Glenair
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- | - | - | - | - | - | - | - | - | - | - | - | |
|
TE Connectivity
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Black | - | 0.409" (10.39mm) | 0.921" (23.39mm) | 0.890" (22.61mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.220" (5.59mm) | 0.921" (23.39mm) | 0.579" (14.71mm) | - | Boot - 90° | |
|
TE Connectivity
|
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Black | - | 0.409" (10.39mm) | 0.921" (23.39mm) | 0.890" (22.61mm) | Polyolefin (PO), Flexible | 21 | 0.220" (5.59mm) | 0.921" (23.39mm) | 0.579" (14.71mm) | - | Boot - 90° | |
|
TE Connectivity
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Black | - | 0.560" (14.22mm) | 1.120" (28.45mm) | 1.090" (27.69mm) | Polyolefin (PO), Semi-Rigid | 32 | 0.260" (6.60mm) | 1.120" (28.45mm) | - | 2.160" (54.86mm) | Boot | |
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TE Connectivity
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- | - | 0.799" (20.29mm) | 0.630" (16.00mm) | 0.752" (19.10mm) | Polyolefin (PO), Flexible | 11 | 0.161" (4.09mm) | 0.630" (16.00mm) | - | 1.311" (33.30mm) | Boot, Rectangular | |
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TE Connectivity
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Black | - | 1.661" (42.19mm) | 1.661" (42.19mm) | - | Polyolefin (PO), Flexible | 32 | 0.291" (7.39mm) | 0.551" (14.00mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
|
TE Connectivity
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Black | - | 0.630" (16.00mm) | 0.800" (20.32mm) | - | Polyolefin (PO), Flexible | 11 | 0.160" (4.06mm) | 0.630" (16.00mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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TE Connectivity
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- | - | 1.110" (28.19mm) | 0.752" (19.10mm) | 0.969" (24.61mm) | Polyolefin (PO), Semi-Rigid | - | 0.209" (5.31mm) | 0.752" (19.10mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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TE Connectivity
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Black | - | 0.330" (8.38mm) | 0.730" (18.54mm) | 0.720" (18.29mm) | Elastomer, Fluid Resistant | 12 | 0.130" (3.30mm), 0.130" (3.30mm) | 0.280" (7.11mm) | - | 1.460" (37.08mm) | Boot, Transition - Breakout, 2:1 | |
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TE Connectivity
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Black | - | 0.410" (10.41mm) | 0.920" (23.37mm) | 0.830" (21.08mm) | Elastomer, Fluid Resistant | 21 | 0.220" (5.59mm) | 0.920" (23.37mm) | - | 1.500" (38.10mm) | Boot | |
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TE Connectivity
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- | - | - | - | - | - | - | - | - | - | - | - | |
|
TE Connectivity
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Black | Adhesive Coating, Fluid Resistant | 1.110" (28.19mm) | 1.110" (28.19mm) | - | Elastomer, Semi-Rigid | 21 | 0.209" (5.31mm) | 0.402" (10.21mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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TE Connectivity
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Black | - | 0.410" (10.41mm) | 0.940" (23.88mm) | 0.980" (24.89mm) | Elastomer, Fluid Resistant | 21 | 0.220" (5.59mm) | 0.550" (13.97mm) | 0.630" (16.00mm) | 0.980" (24.89mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 0.920" (23.37mm) | 0.920" (23.37mm) | 0.830" (21.08mm) | Polyolefin (PO), Flexible | 21 | 0.220" (5.59mm) | 0.920" (23.37mm) | - | 1.500" (38.10mm) | Boot | |
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TE Connectivity
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Black | Abrasion Resistant, Adhesive Coating, Chemical Resistant, Flame Retardant, Fluid Resistant, Heat Resistant, Lip, Strain Resist | 0.366" (9.30mm) | 0.430" (10.92mm) | 0.512" (13.00mm) | Elastomer, Semi-Rigid, Irradiated | 21 | 0.083" (2.11mm) | 0.430" (10.92mm) | 0.260" (6.60mm) | 0.484" (12.29mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 0.224" (5.70mm) | 1.024" (26.00mm) | 1.890" (48.00mm) | Elastomer, Fluid Resistant | 33 | 0.185" (4.70mm) | 0.276" (7.01mm) | 1.654" (42.00mm) | 3.740" (95.00mm) | Boot, Transition - Breakout, 3:1 | |
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TE Connectivity
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Black | - | 0.630" (16.00mm) | 0.800" (20.32mm) | - | Polyolefin (PO), Flexible | 11 | 0.160" (4.06mm) | 0.630" (16.00mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
|
TE Connectivity
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Black | - | 0.800" (20.32mm) | 0.830" (21.08mm) | - | Polyolefin (PO), Semi-Rigid | 11 | 0.420" (10.67mm) | 0.490" (12.45mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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TE Connectivity
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Black | - | 0.800" (20.32mm) | 0.830" (21.08mm) | - | Polyolefin (PO), Flexible | 11 | 0.420" (10.67mm) | 0.490" (12.45mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
|
TE Connectivity
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- | - | - | - | - | - | - | - | - | - | - | - | |
|
TE Connectivity
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Black | - | 0.410" (10.41mm) | 0.940" (23.88mm) | 0.980" (24.89mm) | Elastomer, Fluid Resistant | 21 | 0.220" (5.59mm) | 0.550" (13.97mm) | 0.630" (16.00mm) | 0.980" (24.89mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 0.710" (18.03mm) | 1.220" (30.99mm) | 1.377" (34.98mm) | Polyolefin (PO), 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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Black | Adhesive Coating, Fluid Resistant | 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 | Adhesive Coating, Fluid Resistant | 0.800" (20.32mm) | 0.630" (16.00mm) | 0.752" (19.10mm) | Polyolefin (PO), Flexible | 11 | 0.161" (4.09mm) | 0.630" (16.00mm) | - | 1.311" (33.30mm) | Boot, Rectangular | |
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TE Connectivity
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Black | Adhesive Coating, Fluid Resistant, Lip | 0.559" (14.20mm) | 1.180" (29.97mm) | 1.260" (32.00mm) | Elastomer, Semi-Rigid | 32 | 0.232" (5.89mm) | 1.180" (29.97mm) | 0.710" (18.03mm) | 2.170" (55.12mm) | Boot | |
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TE Connectivity
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Black | Adhesive Coating, Fluid Resistant, Lip | 0.559" (14.20mm) | 1.180" (29.97mm) | 1.260" (32.00mm) | Elastomer, Semi-Rigid | 32 | 0.232" (5.89mm) | 1.180" (29.97mm) | 0.710" (18.03mm) | 2.170" (55.12mm) | Boot | |
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TE Connectivity
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Black | Adhesive Coating, Fluid Resistant, Lip | 0.559" (14.20mm) | 1.180" (29.97mm) | 1.260" (32.00mm) | Elastomer, Semi-Rigid | 32 | 0.232" (5.89mm) | 1.180" (29.97mm) | 0.710" (18.03mm) | 2.170" (55.12mm) | Boot | |
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TE Connectivity
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- | - | - | - | - | - | - | - | - | - | - | - | |
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TE Connectivity
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Black | - | 1.250" (31.75mm) | 2.950" (74.93mm) | - | Polyolefin (PO), Rigid | - | - | - | - | 5.906" (150.00mm) | Cap |
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