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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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TE Connectivity
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Black | - | 1.220" (30.99mm) | 1.220" (30.99mm) | 4.440" (112.78mm) | Polyolefin (PO), Flexible | 32 | 0.350" (8.89mm) | 0.960" (24.38mm) | 0.480" (12.19mm) | 5.460" (138.68mm) | - | Boot | |
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Glenair
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TE Connectivity
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Black | - | 0.710" (18.03mm) | 1.220" (30.99mm) | 1.380" (35.05mm) | Elastomer, Semi-Rigid, Irradiated | 42 | 0.280" (7.11mm) | 1.220" (30.99mm) | 0.670" (17.02mm) | 2.640" (67.06mm) | - | Boot | |
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TE Connectivity
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Black | 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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Black | - | 0.800" (20.32mm) | 0.800" (20.32mm) | - | Elastomer, Fluid Resistant | 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 | 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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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 0.366" (9.30mm) | 0.750" (19.05mm) | 0.984" (24.99mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 11 | 0.110" (2.79mm) | 0.310" (7.87mm) | 0.394" (10.01mm) | 0.984" (24.99mm) | - | Boot - 90° | |
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TE Connectivity
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Black | 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 | Flame Retardant, Fluid Resistant, Heat Resistant, Lip, Potting (Injection) Port | 0.512" (13.00mm) | 0.760" (19.30mm) | 0.618" (15.70mm) | Polyolefin (PO), Flexible, Irradiated | 21 | 0.083" (2.11mm) | 0.250" (6.35mm) | 1.480" (37.59mm) | 2.370" (60.20mm) | - | Boot | |
|
TE Connectivity
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Black | - | 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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- | - | - | - | - | - | - | - | - | - | - | - | - | |
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TE Connectivity
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TE Connectivity
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Black | Abrasion Resistant, Chemical Resistant, Flame Retardant | 0.118" (3.00mm) | 0.394" (10.01mm) | - | Elastomer, Semi-Rigid | 21 | 0.118" (3.00mm) | 0.394" (10.01mm) | - | 1.142" (29.00mm) | 0.984" (25.00mm) | Boot | |
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TE Connectivity
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Black | - | 0.250" (6.35mm) | 0.870" (22.10mm) | - | Elastomer, Fluid Resistant | 31 | 1.140" (28.96mm) | 0.790" (20.07mm) | - | 1.140" (28.96mm) | - | Boot | |
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TE Connectivity
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- | - | 0.409" (10.39mm) | 0.945" (24.00mm) | 0.827" (21.01mm) | Elastomer | - | 0.220" (5.59mm) | 0.945" (24.00mm) | 0.335" (8.51mm) | 1.496" (38.00mm) | - | Boot | |
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TE Connectivity
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Heat Resistant, Lip | 0.512" (13.00mm) | 0.858" (21.79mm) | 0.461" (11.71mm) | Polyolefin (PO), Semi-Rigid, Irradiated | 21 | 0.083" (2.11mm) | 0.250" (6.35mm) | 1.480" (37.59mm) | 2.370" (60.20mm) | - | Boot | |
|
TE Connectivity
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Black | - | 0.701" (17.81mm) | 1.220" (30.99mm) | 1.220" (30.99mm) | Polyolefin (PO), Semi-Rigid | 42 | 0.280" (7.11mm) | 1.220" (30.99mm) | 0.980" (24.89mm) | - | - | Boot - 90° | |
|
TE Connectivity
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Black | Adhesive Coating, Fluid Resistant | 0.311" (7.90mm) | 0.650" (16.51mm) | 0.559" (14.20mm) | Elastomer, Semi-Rigid | 11 | 0.150" (3.81mm) | 0.650" (16.51mm) | - | 1.000" (25.40mm) | - | Boot | |
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TE Connectivity
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Black | - | 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 | - | 0.860" (21.84mm) | 1.420" (36.07mm) | 1.380" (35.05mm) | Polyolefin (PO), Semi-Rigid | 52 | 1.040" (26.42mm) | 1.420" (36.07mm) | 0.500" (12.70mm) | - | - | Boot - 90° | |
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TE Connectivity
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Black | - | 0.311" (7.90mm) | 0.701" (17.81mm) | 0.791" (20.10mm) | Polyolefin (PO), Flexible | 11 | 0.150" (3.81mm) | 0.701" (17.81mm) | 0.449" (11.40mm) | - | - | Boot - 90° | |
|
TE Connectivity
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Black | - | 0.310" (7.87mm) | 0.700" (17.78mm) | 0.790" (20.07mm) | Polyolefin (PO), Semi-Rigid | 11 | 0.390" (9.91mm) | 0.700" (17.78mm) | 0.170" (4.32mm) | - | - | Boot - 90° | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Heat Resistant, Lip, Potting (Injection) Port, Vent Port | 0.453" (11.51mm) | 0.878" (22.30mm) | 0.551" (14.00mm) | Polyolefin (PO), Flexible, Irradiated | 11 | 0.252" (6.40mm) | 0.878" (22.30mm) | - | 3.000" (76.20mm) | - | Boot | |
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TE Connectivity
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Black | Flame Retardant, Lip | 0.559" (14.20mm) | 1.180" (29.97mm) | 1.260" (32.00mm) | Polyolefin (PO), Flexible | 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 | - | 2.310" (58.67mm) | 2.310" (58.67mm) | - | Polyolefin (PO), Flexible | 42 | 0.340" (8.64mm) | 0.680" (17.27mm) | - | - | - | Boot, Rectangular - Right Angle, 90° | |
|
TE Connectivity
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Black | 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 | Eyelet and Clip, 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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- | - | 0.559" (14.20mm) | 1.181" (30.00mm) | 1.260" (32.00mm) | Elastomer | - | 0.232" (5.89mm) | 1.181" (30.00mm) | 0.453" (11.51mm) | 2.165" (54.99mm) | - | Boot | |
|
TE Connectivity
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Black | Flame Retardant, Lip | 0.559" (14.20mm) | 1.180" (29.97mm) | 1.260" (32.00mm) | Polyolefin (PO), Semi-Rigid | 32 | 0.232" (5.89mm) | 1.180" (29.97mm) | 0.710" (18.03mm) | 2.170" (55.12mm) | - | Boot | |
|
TE Connectivity
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Black | Adhesive Coating, Flame Retardant | 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 | |
|
TE Connectivity
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Black | Eyelet and Clip, Flame Retardant, Lip | 0.559" (14.20mm) | 1.180" (29.97mm) | 1.260" (32.00mm) | Polyolefin (PO), Semi-Rigid | 32 | 0.232" (5.89mm) | 1.180" (29.97mm) | 0.710" (18.03mm) | 2.170" (55.12mm) | - | Boot | |
|
TE Connectivity
|
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Black | 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 | |
|
TE Connectivity
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Black | - | 1.110" (28.19mm) | 0.752" (19.10mm) | 0.870" (22.10mm) | Polyolefin (PO), Flexible | 21 | 0.209" (5.31mm) | 0.752" (19.10mm) | - | 1.531" (38.89mm) | - | Boot, Rectangular | |
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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), Semi-Rigid | 21 | 0.210" (5.33mm) | 0.980" (24.89mm) | 0.579" (14.71mm) | - | - | Boot - 90° | |
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TE Connectivity
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Black | Fluid Resistant | 0.410" (10.41mm) | 0.540" (13.72mm) | 0.840" (21.34mm) | Elastomer, 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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Black | - | 0.410" (10.41mm) | 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 | |
|
TE Connectivity
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Black | Fluid Resistant | 0.311" (7.90mm) | 0.630" (16.00mm) | 0.551" (14.00mm) | Elastomer, Semi-Rigid | 11 | 0.087" (2.21mm) | 0.630" (16.00mm) | 0.236" (5.99mm) | 0.984" (24.99mm) | - | Boot | |
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TE Connectivity
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Black | Fluid Resistant | 0.311" (7.90mm) | 0.748" (19.00mm) | 0.559" (14.20mm) | Elastomer, Semi-Rigid | 11 | 0.150" (3.81mm) | 0.748" (19.00mm) | - | 1.000" (25.40mm) | - | Boot | |
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TE Connectivity
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Black | Flame Retardant, Potting (Injection) Port | 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 | |
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TE Connectivity
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Black | Adhesive Coating, Flame Retardant, Fluid Resistant, Heat Resistant, Lip, Strain Resistant | 0.740" (18.80mm) | 1.161" (29.49mm) | 0.610" (15.49mm) | 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 | - | 1.110" (28.19mm) | 1.160" (29.46mm) | 0.870" (22.10mm) | Polyolefin (PO), 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 | - | 0.630" (16.00mm) | 0.800" (20.32mm) | - | Polyolefin (PO), Semi-Rigid | 11 | 0.160" (4.06mm) | 0.630" (16.00mm) | - | - | - | Boot, Rectangular - Right Angle, 90° | |
|
TE Connectivity
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Black | - | 0.630" (16.00mm) | 0.800" (20.32mm) | - | Elastomer, Fluid Resistant | 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 | - | 0.560" (14.22mm) | 1.120" (28.45mm) | 1.070" (27.18mm) | Polyolefin (PO), Flexible | 32 | 0.260" (6.60mm) | 1.120" (28.45mm) | 0.980" (24.89mm) | - | - | Boot - 90° | |
|
TE Connectivity
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Black | - | 0.460" (11.68mm) | 0.590" (14.99mm) | 0.590" (14.99mm) | Polyolefin (PO), Flexible | 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 | 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 | - | 0.902" (22.91mm) | 2.000" (50.80mm) | - | Polyolefin (PO), Semi-Flexible | 83 | - | - | - | 4.000" (101.60mm) | - | Cap | |
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Glenair
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Glenair
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