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 | Flame Retardant, Lip | 0.728" (18.49mm) | 1.220" (30.99mm) | 0.480" (12.19mm) | EPB, Flexible | 32 | 0.350" (8.89mm) | 0.953" (24.21mm) | 4.441" (112.80mm) | 5.461" (138.71mm) | Boot | |
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Black | - | 0.240" (6.10mm) | 0.510" (12.95mm) | 0.870" (22.10mm) | Polyolefin (PO), Semi-Rigid | 12 | 0.130" (3.30mm) | 0.350" (8.89mm) | 0.750" (19.05mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
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Black | Flame Retardant, Lip | 0.728" (18.49mm) | 1.220" (30.99mm) | 0.480" (12.19mm) | EPB, Flexible | 32 | 0.350" (8.89mm) | 0.953" (24.21mm) | 4.441" (112.80mm) | 5.461" (138.71mm) | Boot | |
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Black | - | 0.240" (6.10mm) | 0.520" (13.21mm) | 0.880" (22.35mm) | Polyolefin (PO), Semi-Rigid | 12 | 0.130" (3.30mm) | 0.260" (6.60mm) | 0.760" (19.30mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
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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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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) | - | 2.630" (66.80mm) | Boot | |
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Black | - | 0.701" (17.81mm) | 1.220" (30.99mm) | 1.390" (35.31mm) | Polyolefin (PO), Flexible | 42 | 0.283" (7.19mm) | 1.220" (30.99mm) | - | 2.630" (66.80mm) | Boot | |
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Black | Fluid Resistant | 1.098" (27.89mm) | 1.693" (43.00mm) | 1.770" (44.96mm) | Elastomer, Semi-Rigid | 63 | 0.390" (9.91mm) | 1.693" (43.00mm) | 1.380" (35.05mm) | - | Boot - 45° | |
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Black | - | 0.700" (17.78mm) | 1.220" (30.99mm) | 1.390" (35.31mm) | Polyolefin (PO), Semi-Rigid | 42 | 0.280" (7.11mm) | 1.450" (36.83mm) | 0.700" (17.78mm) | 2.630" (66.80mm) | Boot | |
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Black | Adhesive Coating | 0.390" (9.91mm) | 0.890" (22.61mm) | 0.858" (21.79mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 21 | 0.209" (5.31mm) | 0.701" (17.81mm) | - | 1.500" (38.10mm) | Boot | |
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Black | Adhesive Coating | 0.390" (9.91mm) | 0.890" (22.61mm) | 0.858" (21.79mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 21 | 0.209" (5.31mm) | 0.701" (17.81mm) | - | 1.500" (38.10mm) | Boot | |
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | 1.500" (38.10mm) | Elastomer, Fluid Resistant | 52 | 0.330" (8.38mm) | 0.830" (21.08mm) | 0.980" (24.89mm) | 1.810" (45.97mm) | Boot - 90° | |
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | - | Elastomer, Fluid Resistant | 52 | 0.220" (5.59mm) | 1.420" (36.07mm) | 0.630" (16.00mm) | - | Boot | |
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | 1.500" (38.10mm) | Elastomer, Fluid Resistant | 52 | 0.330" (8.38mm) | 0.830" (21.08mm) | 0.980" (24.89mm) | 1.810" (45.97mm) | Boot - 90° | |
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | 1.500" (38.10mm) | Elastomer, Fluid Resistant | 52 | 0.330" (8.38mm) | 0.830" (21.08mm) | 0.980" (24.89mm) | 1.810" (45.97mm) | Boot - 90° | |
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Black | Adhesive Coating, Flame Retardant, Fluid Resistant, Heat Resistant, Lip, Strain Resistant | 0.449" (11.40mm) | 0.882" (22.40mm) | 0.559" (14.20mm) | Polyolefin (PO), Flexible, Irradiated | 11 | 0.252" (6.40mm) | 0.882" (22.40mm) | 3.402" (86.41mm) | 4.169" (105.89mm) | Boot | |
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Black | - | 0.730" (18.54mm) | 1.220" (30.99mm) | 0.820" (20.83mm) | Polyolefin (PO), Flexible | 32 | 0.350" (8.89mm) | 0.960" (24.38mm) | 4.500" (114.30mm) | 5.760" (146.30mm) | Boot - 90° | |
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Black | - | 0.310" (7.87mm) | 0.420" (10.67mm) | 0.560" (14.22mm) | Polyolefin (PO), Semi-Rigid | 11 | 0.150" (3.81mm) | 0.330" (8.38mm) | - | 1.000" (25.40mm) | Boot | |
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Black | - | 0.240" (6.10mm) | 0.520" (13.21mm) | 0.902" (22.91mm) | Polyolefin (PO), Flexible | 12 | 0.118" (3.00mm) | 0.260" (6.60mm) | 0.839" (21.31mm) | 1.760" (44.70mm) | Boot, Transition - Side Breakout, 45° | |
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Black | - | 0.880" (22.35mm) | 1.180" (29.97mm) | 1.660" (42.16mm) | Polyolefin (PO), Flexible | 53 | 0.280" (7.11mm) | 0.580" (14.73mm) | 0.620" (15.75mm) | 3.000" (76.20mm) | Boot | |
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Black | - | 1.080" (27.43mm) | 1.490" (37.85mm) | 2.470" (62.74mm) | Elastomer, Fluid Resistant | 63 | 0.370" (9.40mm) | 0.840" (21.34mm) | 0.990" (25.15mm) | 3.900" (99.06mm) | Boot | |
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Black | Flame Retardant, Fluid Resistant, Heat Resistant | 0.272" (6.91mm) | 0.520" (13.21mm) | 1.161" (29.49mm) | Polyolefin (PO), Flexible, Irradiated | 22 | 0.272" (6.91mm) | 0.520" (13.21mm) | 1.161" (29.49mm) | 2.311" (58.70mm) | Boot, Transition - Breakout, 2:1 (T) | |
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- | - | - | - | - | - | 22 | - | - | - | - | Boot, Transition - Breakout, 2:1 (T) | |
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- | - | - | - | - | - | 22 | - | - | - | - | Boot, Transition - Breakout, 2:1 (T) | |
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- | - | - | - | - | - | 22 | - | - | - | - | Boot, Transition - Breakout, 2:1 (T) | |
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Black | - | 0.410" (10.41mm) | 0.920" (23.37mm) | 0.830" (21.08mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 21 | 0.220" (5.59mm) | 0.490" (12.45mm) | - | 1.500" (38.10mm) | Boot | |
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Black | Adhesive Coating | 0.311" (7.90mm) | 0.650" (16.51mm) | 0.559" (14.20mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 11 | 0.150" (3.81mm) | 0.469" (11.91mm) | - | 1.000" (25.40mm) | Boot | |
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | 1.380" (35.05mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 52 | 0.330" (8.38mm) | 0.830" (21.08mm) | 1.180" (29.97mm) | - | Boot - 90° | |
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Black | - | 0.390" (9.91mm) | 0.940" (23.88mm) | 0.460" (11.68mm) | VPB, Flexible | 11 | 0.260" (6.60mm) | 0.680" (17.27mm) | 3.400" (86.36mm) | 4.170" (105.92mm) | Boot | |
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Black | - | 1.400" (35.56mm) | 1.400" (35.56mm) | 5.150" (130.81mm) | Polyolefin (PO), Flexible | 42 | 0.400" (10.16mm) | 1.130" (28.70mm) | 0.480" (12.19mm) | 6.280" (159.51mm) | Boot | |
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Black | - | 0.740" (18.80mm) | 1.160" (29.46mm) | 0.480" (12.19mm) | Elastomer, Fluid Resistant | 32 | 0.200" (5.08mm) | 0.550" (13.97mm) | 0.260" (6.60mm) | 1.250" (31.75mm) | Boot | |
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Black | - | 0.740" (18.80mm) | 1.160" (29.46mm) | 0.480" (12.19mm) | Elastomer, Fluid Resistant | 32 | 0.200" (5.08mm) | 0.550" (13.97mm) | 0.260" (6.60mm) | 1.250" (31.75mm) | Boot | |
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Black | - | 0.858" (21.79mm) | 1.421" (36.09mm) | 1.382" (35.10mm) | Polyolefin (PO), Semi-Flexible | 52 | 0.331" (8.41mm) | 1.040" (26.42mm) | 1.181" (30.00mm) | - | Boot - 90° | |
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Black | - | - | - | - | Polyolefin (PO), Flexible | 22 | - | - | - | - | Boot | |
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Black | Adhesive Coating, 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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Black | - | 1.079" (27.41mm) | 1.728" (43.89mm) | 1.728" (43.89mm) | Polyolefin (PO), Flexible | 63 | 0.370" (9.40mm) | 1.728" (43.89mm) | 1.340" (34.04mm) | - | Boot - 90° | |
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Black | - | 1.080" (27.43mm) | 1.730" (43.94mm) | 1.730" (43.94mm) | Polyolefin (PO), Semi-Rigid | 63 | 1.080" (27.43mm) | 1.730" (43.94mm) | 0.680" (17.27mm) | - | Boot - 90° | |
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Black | - | 1.080" (27.43mm) | 1.730" (43.94mm) | 1.730" (43.94mm) | Polyolefin (PO), Flexible | 63 | 1.080" (27.43mm) | 1.730" (43.94mm) | 0.680" (17.27mm) | - | Boot - 90° | |
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Black | - | 0.882" (22.40mm) | 1.420" (36.07mm) | 1.382" (35.10mm) | Polyolefin (PO), Semi-Rigid | 52 | 0.331" (8.41mm) | 1.420" (36.07mm) | 1.181" (30.00mm) | - | Boot - 90° | |
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Black | - | 0.882" (22.40mm) | 1.420" (36.07mm) | 1.382" (35.10mm) | Polyolefin (PO), Semi-Rigid | 52 | 0.331" (8.41mm) | 1.420" (36.07mm) | 1.181" (30.00mm) | - | Boot - 90° | |
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Black | - | 0.882" (22.40mm) | 1.420" (36.07mm) | 1.382" (35.10mm) | Polyolefin (PO), Flexible | 52 | 0.331" (8.41mm) | 1.420" (36.07mm) | 1.181" (30.00mm) | - | Boot - 90° | |
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | 1.380" (35.05mm) | Elastomer, Fluid Resistant | 52 | 0.330" (8.38mm) | 1.420" (36.07mm) | 1.180" (29.97mm) | - | Boot - 90° | |
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Black | - | 0.790" (20.07mm) | 1.200" (30.48mm) | - | Polyolefin (PO), Flexible | 33 | 0.350" (8.89mm) | 1.200" (30.48mm) | - | 5.750" (146.05mm) | Boot | |
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Black | Adhesive Coating, Lip | 0.882" (22.40mm) | 1.420" (36.07mm) | 0.870" (22.10mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 53 | 0.331" (8.41mm) | 1.420" (36.07mm) | 0.768" (19.51mm) | 2.362" (59.99mm) | Boot | |
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Black | - | 0.500" (12.70mm) | 0.750" (19.05mm) | 1.020" (25.91mm) | Polyolefin (PO), Flexible | 11 | 0.160" (4.06mm) | 0.460" (11.68mm) | 0.860" (21.84mm) | 2.200" (55.88mm) | Boot | |
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Black | Fluid Resistant, Lip | 1.110" (28.19mm) | 1.690" (42.93mm) | 1.610" (40.89mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 63 | 0.390" (9.91mm) | 1.690" (42.93mm) | 0.830" (21.08mm) | 3.110" (78.99mm) | Boot |
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