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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Black | Adhesive Coating | 0.512" (13.00mm) | 1.060" (26.92mm) | 2.039" (51.79mm) | Elastomer, Flexible | 43 | 0.272" (6.91mm) | 0.520" (13.21mm) | 1.770" (44.96mm) | - | Boot, Transition - Breakout, 4:1 | |
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Black | Flame Retardant, Lip | 0.449" (11.40mm) | 0.882" (22.40mm) | 0.559" (14.20mm) | Polyolefin (PO), Semi-Rigid, Irradiated | 11 | 0.252" (6.40mm) | 0.551" (14.00mm) | 3.402" (86.41mm) | 4.169" (105.89mm) | Boot | |
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Black | Flame Retardant | 1.660" (42.16mm) | 1.150" (29.21mm) | - | Polyolefin (PO), Semi-Rigid | 32 | 0.290" (7.37mm) | 1.150" (29.21mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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- | - | 0.791" (20.10mm) | 2.370" (60.20mm) | 3.728" (94.69mm) | NBCCS, Flexible | - | 0.791" (20.10mm) | 1.579" (40.11mm) | 3.728" (94.69mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
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Black | - | 1.110" (28.19mm) | 1.160" (29.46mm) | 0.870" (22.10mm) | Polyolefin (PO) | 21 | 0.209" (5.31mm) | 0.402" (10.21mm) | - | 1.531" (38.89mm) | Boot, Rectangular | |
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Black | - | 0.539" (13.69mm) | 1.060" (26.92mm) | 2.752" (69.90mm) | Silicone | 34 | 0.240" (6.10mm) | 0.520" (13.21mm) | 2.110" (53.59mm) | 5.701" (144.81mm) | Boot, Transition - Side Breakout, 45° | |
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Black | Fluid Resistant, 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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Black | - | - | - | - | Polyolefin (PO), Semi-Rigid | 53 | - | - | - | - | Boot | |
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Black | Flame Retardant, Lip, Strain Resistant | 1.622" (41.20mm) | 1.970" (50.04mm) | 0.598" (15.19mm) | Silicone, Flexible | 74 | 0.559" (14.20mm) | 1.810" (45.97mm) | 2.858" (72.59mm) | 4.650" (118.11mm) | Boot | |
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Black | - | 1.110" (28.19mm) | - | 0.870" (22.10mm) | Polyolefin (PO), Copper Composite | 21 | 0.210" (5.33mm) | - | - | 1.540" (39.12mm) | Boot, Rectangular | |
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Black | - | 0.800" (20.32mm) | - | 0.750" (19.05mm) | Polyolefin (PO), Copper Composite | 11 | 0.160" (4.06mm) | - | - | 1.300" (33.02mm) | Boot, Rectangular | |
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Black | Adhesive Coating | 0.382" (9.70mm) | 0.760" (19.30mm) | 1.421" (36.09mm) | Elastomer, Flexible | 32 | 0.272" (6.91mm) | 0.520" (13.21mm) | 1.770" (44.96mm) | - | Boot, Transition - Breakout, 4:1 | |
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Black | - | 0.382" (9.70mm) | 0.760" (19.30mm) | 1.421" (36.09mm) | Elastomer, Flexible | 22 | 0.209" (5.31mm) | 0.370" (9.40mm) | 1.260" (32.00mm) | - | Boot, Transition - Breakout, 4:1 | |
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Black | - | 0.539" (13.69mm) | 1.060" (26.92mm) | 2.752" (69.90mm) | Elastomer, Flexible | 34 | 0.240" (6.10mm) | 0.520" (13.21mm) | 2.110" (53.59mm) | 5.701" (144.81mm) | Boot, Transition - Side Breakout, 45° | |
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Black | - | 1.661" (42.19mm) | - | 0.980" (24.89mm) | Polyolefin (PO), Copper Composite | 32 | 0.319" (8.10mm) | - | - | 1.770" (44.96mm) | Boot, Rectangular | |
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Black | - | 0.382" (9.70mm) | 0.760" (19.30mm) | 1.421" (36.09mm) | Elastomer, Flexible | 32 | 0.272" (6.91mm) | 0.520" (13.21mm) | 1.770" (44.96mm) | - | Boot, Transition - Breakout, 4:1 | |
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Black | - | 2.280" (57.91mm) | - | 1.260" (32.00mm) | Polyolefin (PO), Copper Composite | 52 | 0.420" (10.67mm) | - | - | 2.400" (60.96mm) | Boot, Rectangular | |
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Black | Flame Retardant, Lip | 0.740" (18.80mm) | 1.161" (29.49mm) | 0.610" (15.49mm) | Polyolefin (PO), Semi-Rigid, Irradiated | 32 | 0.331" (8.41mm) | 0.720" (18.29mm) | 4.441" (112.80mm) | 5.461" (138.71mm) | Boot | |
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Black | Flame Retardant | 2.280" (57.91mm) | 1.480" (37.59mm) | - | Polyolefin (PO), Semi-Rigid | 52 | 0.420" (10.67mm) | 1.480" (37.59mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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- | - | 0.642" (16.31mm) | 1.689" (42.90mm) | - | Silicone | - | 0.402" (10.21mm) | 1.000" (25.40mm) | - | 6.000" (152.40mm) | Boot - 90° | |
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- | - | 0.531" (13.49mm) | 1.118" (28.40mm) | 2.760" (70.10mm) | Elastomer, Flexible | - | 0.531" (13.49mm) | 1.059" (26.90mm) | 3.161" (80.29mm) | 5.909" (150.09mm) | Boot, Transition - Side Breakout, 45° | |
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Black | Flame Retardant, Lip | 1.340" (34.04mm) | 1.720" (43.69mm) | 0.780" (19.81mm) | Polyolefin (PO), Semi-Rigid, Irradiated | 63 | 0.480" (12.19mm) | 1.071" (27.20mm) | 6.421" (163.09mm) | 8.000" (203.20mm) | Boot | |
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Black | - | 1.060" (26.92mm) | 2.189" (55.60mm) | 3.280" (83.31mm) | Elastomer, Flexible | 48 | 0.272" (6.91mm) | 0.520" (13.21mm) | 2.831" (71.91mm) | 7.280" (184.91mm) | Boot, Transition - Side Breakout, 45° | |
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Black | - | 1.060" (26.92mm) | 2.189" (55.60mm) | 3.280" (83.31mm) | Elastomer, Flexible | 48 | 0.272" (6.91mm) | 0.520" (13.21mm) | 2.831" (71.91mm) | 7.280" (184.91mm) | Boot, Transition - Side Breakout, 45° | |
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Black | Adhesive Coating | 0.728" (18.49mm) | 1.520" (38.61mm) | 2.949" (74.90mm) | Elastomer, Flexible | 54 | 0.382" (9.70mm) | 0.760" (19.30mm) | 2.571" (65.30mm) | - | Boot, Transition - Breakout, 4:1 | |
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Black | Flame Retardant | 0.800" (20.32mm) | 0.630" (16.00mm) | - | Polyolefin (PO), Semi-Rigid | 61 | 0.150" (3.81mm) | 0.630" (16.00mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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