NTC Thermistor Assemblies

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Buck Melton
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FEATURES Standard and custom assemblies are available in a variety of configurations Assemblies can conveniently attach to or be an integral part of any system to monitor or control temperature No

The choice of assembly style is dependent on the application.

1 FEATURES Standard and custom assemblies are available in a variety of configurations Assemblies can conveniently attach to or be an integral part of any system to monitor or control temperature No added labor required prior to assembly in the intended application Standard and custom assemblies are available in a variety of configurations. The choice of assembly style is dependent on the application. The primary factors which determine the optimum configuration of a thermistor assembly are the operating environment, mounting, time response and minimum dissipation constant. The two factors which do vary considerably with assembly design are time constant and dissipation constant. The time constant will typically be of greater duration in encapsulated thermistors. This is, of course, due to additional mass surrounding the thermistor element; therefore, extending the thermal transfer time. Dissipation constant will also be greater in assemblies. The additional housing mass serves well as a heat sink. Greater power is therefore required to induce self-heating. Both time constant and dissipation constant will vary with the selected thermistor and housing. Heat transfer properties of the housing, thermistor location, mass and wire type determine these constants. It is recommended to evaluate or consult the factory in applications where TC and DC are critical. ASSEMBLY STYLES IMMERSION PROBES 1. Thread Mounted 2. Penetration Probe 3. Tubular Stainless Steel 4. Tubular Pyrex 5. Flexible Immersion GENERAL PURPOSE SENSORS 6. Delrin Housing 7. Stainless Steel Rod 8. Gold Anodized Flanged Sensor 9. ABS Housing 10. Polyester Housing 11. Epoxy Tip Probe 12. Pipe Sensor SURFACE SENSORS 13. Ring Tongue Lugs 14. Heat Sink Sensors 15. Rectangular Block Sensors Refer to How to Select an NTC Thermistor for general design aids in choice of thermistor value, tolerance and R-T curve. ORDERING INFORMATION 1. Choose Style: R07 2. Select Wire Type: PVC Insulated - example Select Wire Length: L06 4. Select Thermistor - See thermistor selector sheet 1) Curve 01 2) Resistance value numeric code ) Resistance tolerance Contact factory for part numbers. Document Number: For technical questions, contact: thermistor1@vishay.com Revision: 23-Oct-01 17

2 IMMERSION TYPE ASSEMBLY HOUSING [5.08] [9.65] X [11.12] [9.65] X [11.12] T1 = 1 T2 = 1.5 T3 = 3 T4 = 6 L L = 1.15, 3.6 INCHES 1/8 [3.18] /8 PROBE [4.06] THREAD 1/8 NPT MATERIAL: #303 STAINLESS STEEL [4.78] [14.3] 1/4-20-NC TAP X [12.06] [3.96] 1/8-27-NPT MATERIAL: #304 STAINLESS STEEL [16.51] X [4.06] 0.30 [7.62] [11.12] 1/8 PROBE /16 PROBE [4.06] THREAD 1/8-27-NPT MATERIAL: #303 & #304 STAINLESS STEEL [24.38] [7.92] X [7.49] [23.82] MATERIAL: BRASS TUBES T1, T2, T3, T4, T13, T14 FIT TO HEX BUSHING X1 TUBES T5, T6, T7, T8, T9, T10 FIT TO HEX BUSHING X2 TUBES T1, T2, T3, T4, T13, T14 FIT TO COUPLING X5 MATERIAL #304 STAINLESS STEEL T5 = 1.5 T6 = 2.5 T7 = 3 T8 = 4 T9 = 6 T10 = 8 L L = 1, 1.5, 2.5, 3, 4, 6, 8 INCHES MATERIAL #304 STAINLESS STEEL T11 = 2.5 T12 = 6 L L = 2.5, 6 INCHES MATERIAL #304 STAINLESS STEEL T13 = 1.25 T14 = 6.25 L L = 1.25, 6.25 INCHES [2.67] [4.27] [5.84] 3/16 [4.78] 1/4 1/8 [3.18] MATERIAL: #303 STAINLESS STEEL ALL TUBES MAY BE USED INDEPENDENT OF ANY BUSHING OR COUPLING MATERIAL #304 STAINLESS STEEL [2.67] PROBE + HEX HOUSING SHRINK WRAP LEAD LENGTH PROBE THERMISTOR SHRINK WRAP SEE THERMISTOR SELECTION SHEET X1 T1 300 L C3 RESISTANCE TOLERANCE RESISTANCE VALUE NUMERIC CODE THERMISTOR MATERIAL CURVE USED IN ASSEMBLY LENGTH OF WIRE TYPE OF INTERCONNECTION WIRE TUBE SELECTION HEX BUSHING/PROBE SELECTION HOOK-UP WIRE STANDARD WIRE FOR HEX/TUBE HOUSINGS TYPE X1/X5 X2 X3 X4 T1 - T4 T5 - T10 T11 - T12 T13 - T14 Cable Teflon Insulated Wire PVC Insulated Wire Twisted Pair Wire Zip (Flat) Wire Ni Wire, Teflon Insulated STANDARD WIRE LENGTHS: 3, 6, 9, 12, 24, 36 Inches For technical questions, contact: thermistor1@vishay.com Document Number: Revision: 23-Oct-01

3 CUP TYPE ASSEMBLY HOUSING C01 MATERIAL: ALUMINUM C [16.03] [38.1] Ø 0.28 [7.11] [6.3] [4.44] MATERIAL: NICKEL PLATED BRASS C [38.1] [5.08] Ø 0.28 [7.11] C [22.2] Ø [3.96] [3.18] MATERIAL: #303 STAINLESS STEEL [4.29] C [11.51] [6.3] MATERIAL: #2024-T4 ALUMINUM C [12.7] [3.56] [4.32] [22.2] C [4.11] MATERIAL: #2011 ALUMINUM 0.63 [16.0] [6.96] [0.89] MATERIAL: C [5.46] [7.57] GOLD ANODIZED ALUMINUM [4.78] C [12.09] [5.84] 0.22 [5.59] MATERIAL: CELANEX (BLACK POLYESTER) [3.56] MATERIAL: DELRIN II#500 WHITE & BLACK MATERIAL: MOLDED ABS [4.32] LEAD LENGTH THERMISTOR SEE THERMISTOR SELECTION SHEET C L C3 RESISTANCE TOLERANCE RESISTANCE VALUE NUMERIC CODE THERMISTOR MATERIAL CURVE USED IN ASSEMBLY LENGTH OF WIRE TYPE OF INTERCONNECTION WIRE HOOK-UP WIRE STANDARD WIRE FOR CUP HOUSINGS TYPE C01 C02 C03 C04 C05 C06 C07 C08 Cable 503 N/A Teflon Insulated Wire PVC Insulated Wire Zip (Flat) Wire Twisted Pair Wire Ni Wire, Teflon Insulated STANDARD WIRE LENGTHS: 3, 6, 9, 12, 24, 36 Inches Document Number: For technical questions, contact: Revision: 23-Oct-01 19

4 TEX BUSHING/PROBE TYPE ASSEMBLY HOUSING TAP METRIC M [1.52] [4.57] H [4.06] [12.7] [4.06] [4.57] MATERIAL ALUMINUM Ø [2.8] [3.3] Ø [3.18] [19.05] [9.52] H [2.39] [9.52] [4.76] MATERIAL ALUMINUM [4.78] Ø Ø [3.81] [7.62] [3.18] [4.78] [22.61] H [13.72] [4.32] [8.13] [3.1] THREAD 10-32UNC-2A [1.27 MATERIAL ANODIZED ALUMINUM [7.95] [4.78] [14.5] [8.00] [6.5] THREAD M4 X 0.7 6g H04 H05 & H06 H07 H [3.56] [7.75] [6.0] [12.7] [3.56] THREAD 6-32UNC-2A [1.27] 1/ [5.08] MATERIAL BRASS CA-132 MATERIAL ALUMINUM (H5) & BRASS (H6) MATERIAL 2024-T4 ALUMINUM MATERIAL #303 STAINLESS STEEL [14.48] [33.53] [3.1] THREAD 10-32UNF-2A [0.76] 5/16 [7.95] [19.05] [9.52] [9.52] [4.75] [2.84] THREAD 4-40 UNC-2A [3.25] [1.9] HEAT SINK SELECTION LEAD LENGTH THERMISTOR SEE THERMISTOR SELECTION SHEET H L C3 RESISTANCE TOLERANCE RESISTANCE VALUE NUMERIC CODE THERMISTOR MATERIAL CURVE USED IN ASSEMBLY LENGTH OF WIRE TYPE OF INTERCONNECTION WIRE HOOK-UP WIRE STANDARD WIRE FOR HEAT SINK HOUSINGS TYPE H01 H02 H03 H04 H05 H06 H07 H08 Cable Teflon Insulated Wire PVC Insulated Wire Twisted Pair Wire Zip (Flat) Wire Ni Wire, Teflon Insulated STANDARD WIRE LENGTHS: 3, 6, 9, 12, 24, 36 Inches For technical questions, contact: thermistor1@vishay.com Document Number: Revision: 23-Oct-01

5 RING TONGUE TYPE ASSEMBLY HOUSING R01 R02 R03 R [19.56] [15.65] [3.02] THICK [0.81] [5.38] INSULATED [19.56] [16.13] [3.71] THICK [0.81] [5.92] INSULATED [22.61] [17.90] [4.39] THICK [0.81] [7.36] INSULATED [13.82] 1.23 [31.24] [24.33] [6.76] THICK [0.81] [13.8] INSULATED [5.84] R05 R06 R07 R [13.97] [10.92] [2.97] THICK [4.06] BARE METAL [20.83] [16.76] [3.68] THICK [6.86] BARE METAL [20.83] [16.76] [4.39] THICK [6.86] BARE METAL [24.00] [18.85] [5.08] THICK [1.3] [9.12] BARE METAL [4.01] [5.6] [5.6] [7.24] RING TOUNGUE LUG SELECTION LEAD LENGTH THERMISTOR SEE THERMISTOR SELECTION SHEET R L C3 RESISTANCE TOLERANCE RESISTANCE VALUE NUMERIC CODE THERMISTOR MATERIAL CURVE USED IN ASSEMBLY LENGTH OF WIRE TYPE OF INTERCONNECTION WIRE HOOK-UP WIRE STANDARD WIRE FOR HEAT SINK STYLES TYPE R01 R02 R03 R04 R05 R06 R07 R08 Cable N/A Teflon Insulated Wire PVC Insulated Wire Twisted Pair Wire N/A Zip (Flat) Wire Ni Wire, Teflon Insulated STANDARD WIRE LENGTHS: 3, 6, 9, 12, 24, 36 Inches Document Number: For technical questions, contact: Revision: 23-Oct-01 21

6 PIPE STYLE ASSEMBLY HOUSING [13.97] CONTACT LENGTH 2.15 MAX [54.6] [23.5] P01 P02 P03 P [5.08] [3.96] [1.59] [7.37] [9.78] [29.97] [14.22] P05 Ø [4.95] Ø [5.97] Ø [3.56] Ø [7.92] [1.65] MATERIAL: #305 STAINLESS STEEL P06 Ø [8.43] Ø [7.29] Ø [7.29] [4.01] [7.62] R R [4.27] MATERIAL: CELANEX (BLACK POLYESTER) MATERIAL: #305 STAINLESS STEEL MATERIAL: #304 STAINLESS STEEL LEAD LENGTH THERMISTOR TIE DOWN SEE THERMISTOR SELECTION SHEET P L C3 RESISTANCE TOLERANCE RESISTANCE VALUE NUMERIC CODE THERMISTOR MATERIAL CURVE USED IN ASSEMBLY LENGTH OF WIRE TYPE OF INTERCONNECTION WIRE HOOK-UP WIRE STANDARD WIRE FOR PIPE HOUSINGS TYPE P01 P02 P03 P04 P05 P06 Cable N/A 503 N/A N/A Teflon Insulated Wire PVC Insulated Wire Zip (Flat) Wire Twisted Pair Wire Ni Wire, Teflon Insulated STANDARD WIRE LENGTHS: 3, 6, 9, 12, 24, 36 Inches For technical questions, contact: thermistor1@vishay.com Document Number: Revision: 23-Oct-01

7 ASSEMBLY CONNECTORS WIRE I1 I2 I3 RECEPTABLE FOR 3/16 X TAB I5 2 CAP HOUSINGS 2 SOCKETS SOCKET (18-24 AWG) (AMP P/N: ) WIRE I7 1 PLUGHOUSINGS 2 TERMINALS MALE TERMINAL (18-24 AWG) (AMP P/N: ) BRASS W/GOLD PLATE WIRE CAP HOUSING (AMP P/N: ) I4 22 AWG. 2-CIRCUIT HOUSING AND DUST COVER COVER (AMP P/N: ) TIN COPPER ALLOY CONTACTS, GOLD PLATED I6 1 RECEPTACLE 2 TERMINALS FEMALE TERMINAL (24-30 AWG) (MOLEX P/N: ) BRASS W/TIN PLATE FEMALE TERMINAL (18-24 AWG) (MOLEX P/N: ) BRASS W/TIN PLATE I8 1 MINI-FIT HOUSING 2 TERMINALS HOUSING (AMP P/N: ) FREE HANGING RECEPTACLE (MOLEX P/N: ) 2-CIRCUIT PLUG HOUSING (AMP P/N: ) 2-GKT MINI-FIT HOUSING (MOLEX P/N: ) ASSEMBLY STRAIN RELIEF AND MARKING S1: SHRINK WRAP STRAIN RELIEF, HOUSING/LEAD S2: SHRINK WRAP STRAIN RELIEF, LEADS S5 S3: SHRINK WRAP WITH MARKING S4: AVERY LABEL MARKING S2 S1 S5: SPRING - STRAIN RELIEF CUST. P/N S4 S3 CUSTOMER P/N Document Number: For technical questions, contact: thermistor1@vishay.com Revision: 23-Oct-01 23

8 HOOK UP WIRES AVAILABLE WIRE P/N # COND S AWG CONDUCTOR MATERIAL INSULATOR NOM. DIA COMMENTS Bare, Copper Wire, Tin Plated Cu/Tin Plate G Series Thermistor Std Cu/Tin Plate Cu/Tin Plate B Series Thermistor Std Cu/Tin Plate C Series Thermistor Std Cu/Tin Plate M Series Thermistor Std Cu/Tin Plate F Series Thermistor Std Copper Conductor, Silver Plated with Teflon Insulation /30 Cu/Silver Plate Teflon Black /34 Cu/Silver Plate Teflon Black /32 Cu/Silver Plate Teflon Black, White , /36 Cu/Silver Plate Teflon White /32 Cu/Silver Plate Teflon Black /38 Cu/Silver Plate Teflon Red /36 Cu/Silver Plate Teflon Orange, Red, Black , -03, /36 Cu/Silver Plate Teflon Black, White, Green , -02, /38 Cu/Silver Plate Teflon Black Cu/Silver Plate Teflon Black, White , Cu/Silver Plate Teflon Black Cu/Silver Plate Teflon Black Cu/Silver Plate Teflon Black Copper Conductor, Tin Plated with PVC Insulation /38 Cu/Tin Plate PVC Black, White, MIL-W-16878/1, Type B /36 Cu/Tin Plate PVC Black, White,Green, MIL-W-16878/1, Type B , -05, /32 Cu/Tin Plate PVC Black, White, MIL-W-16878/1, Type B , /34 Cu/Tin Plate PVC Black, MIL-W-16878/1, Type B /38 Cu/Tin Plate PVC Black, MIL-W-16878/1, Type B /30 Cu/Tin Plate PVC Black, UL /32 Cu/Tin Plate PVC Yellow, UL /30 Cu/Tin Plate PVC White, UL /34 Cu/Tin Plate PVC Light Blue, UL /30 Cu/Tin Plate PVC Black, UL /34 Cu/Tin Plate PVC Black, UL /32 Cu/Tin Plate PVC Black, UL Cu/Tin Plate PVC Black, UL Cu/Tin Plate PVC Black Miscellaneous Insulated Wires Nickel Teflon Yellow, Black, T Series Thermistor , Cu/Silver Plate Kynar Black, UL /36 Cu/Silver Plate Kapton Black For technical questions, contact: thermistor1@vishay.com Document Number: Revision: 23-Oct-01

9 HOOK UP WIRES AVAILABLE (continued) WIRE P/N # COND S AWG CONDUCTOR MATERIAL INSULATOR NOM. O.D. COMMENTS Cables - Wires w/ Jackets Exterior /30 Cu/Tin Plate PVC 0.22/0.075 Gray Jacket w/ Black/White/Braid Shield /28 Cu/Tin Plate PVC 0.175/0.059 Gray Jacket w/ Red/Black Wires /34 Cu/Silver Plate Teflon 0.142/0.050 White Jacket w/ Black/White/Braid Shield /30 Cu/Tin Plate PVC 0.160/0.048 Gray Jacket w/ Red/Black Wires /30 Cu/Tin Plate PVC 0.160/0.048 Gray Jacket w/ Red/Black/White Wires /30 Cu/Tin Plate PVC 0.130/0.048 Gray Jacket w/ Red/Black/Drain Wires /30 Cu/Tin Plate PVC 0.170/0.057 Gray Jacket w/ Red/Black Wires /30 Cu/Tin Plate PVC 0.160/0.048 Gold Jacket w/ Black/White Wires /36 Cu/Tin Plate PVC 0.100/0.033 Gray Jacket w/ Black/White/Paper Wrap Cu/Tin Plate Teflon Red, White, Black in Stainless Steel Braid Flat Wire & Zip Cords /32 Cu/Tin & Cu PVC X Clear w/ 1 Tin Plated Cu and 1 Bare Cu /36 Cu/Tin & Cu PVC X Black w/ 1 Tin Plated Cu and 1 Bare Cu /34 Cu/Tin & Cu PVC X Black w/ 1 Tin Plated Cu and 1 Bare Cu /36 Cu/Tin Plate PVC X Gray, UL Twisted Pair Wires /32 Cu/Silver Plate Teflon White, UL Twists/Inch /34 Cu/Tin Plate Tefzel Blue /30 Cu/Tin Plate PVC Black/White, UL /32 Cu/Tin Plate PVC Black/White, UL /32 Cu/Tin Plate PVC White/White, UL Document Number: For technical questions, contact: thermistor1@vishay.com Revision: 23-Oct-01 25

10 THERMISTOR SELECTIONS FOR SPECIAL ASSEMBLIES R 25 Code R 25 (Ohms) CURVE NUMBER K K K K K K K K K 27 5K K K K 31 10K 32 12K 33 15K 34 18K 35 22K 36 27K 37 33K 38 39K 39 47K 40 50K 41 56K 42 68K 43 82K K K K K K K K K K K 53 1 Meg Curve 1, 10K Thermistor, ± 5 % at 25 C CURVE NUMBER VALUE CODE TOLERANCE at + 25 C THERMISTOR TOLERANCES POINT MATCHED AT 25 C 01 ± 1 % 02 ± 2 % 03 ± 3 % 05 ± 5 % 10 ± 10 % CURVE TRACKING B3 ± 0.5 % 0 C to + 70 C A3 ± 1 % 0 C to + 70 C B4 ± 0.5 % 0 C to C A4 ± 1 % 0 C to C B5 ± 0.5 % + 25 C to + 90 C A5 ± 1 % + 25 C to + 90 C B8 ± 0.5 % 0 C to + 50 C C8 ± 1 % 0 C to + 50 C For technical questions, contact: thermistor1@vishay.com Document Number: Revision: 23-Oct-01

NTC Thermistors. Vishay FEATURES. Custom designed executions Application specific leads, housings, and connectors. NTC Thermistors Screw terminal

NTC Thermistors. Vishay FEATURES. Custom designed executions Application specific leads, housings, and connectors. NTC Thermistors Screw terminal Custom designed executions Application specific leads, housings, and connectors TOLERANCE AT R25 C RANGE OPERATING TEMPERATURE RANGE APPLICATIONS Screw terminal 2322 640 73 5% 100 to 470k -25 to +100 C