NTC Accurate Thermistors

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Valentine Anderson
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1 NC Accurate hermistors NP30 - NJ 28 NI 24 NK 20 High precision resistance and an outstanding ability to reproduce the sensibility index B, make these ranges of products the types of thermistors ideal for temperature measurement applications. Leaded or unleaded, these small size and rapid response time thermistors are able to meet the most accurate requirements. FEAURES High Accuracy Fast thermal response Commercial, Industrial and Automotive Applications AEC-Q200 qualified OPIONS Consult factory for availability of options other nominal resistance values other tolerances controlled dimensions (e.g. reduced head size for NP30) alternative lead materials (e.g. steel, nickel) customized lead lengths, spacing, forming (kink) etc. epoxy coating on leads (NP30) APPLICAIONS emperature measurement Liquid level or flow detection Alarms and fire detectors HVAC and Refrigeration Fans Air intake temperature Electric pup module Water emperature Evaporator probe and more ypes NJ 28 NP 30 NI 24 NK 20 Finish Coated chip with phenolic Coated chip with epoxy Chip resin + varnish Coated chip with epoxy AWG30 insulated leads + tinned copper wires + Silver plated nickel wires DIMENSIONS: millimeters (inches) 35 (1.38) min 2.8 (.110) max 2.8 (.110) max 3 (.118) max 0.4 (.016) +10 % - 15% 3.0 (.118) max 3.0 (.118) max 35 (1.38) min 3 (.118) max 0.4 (.016) +10% -15% 2.4 (.094) max 2.4 (.094) max 35 (1.38) min 3 (.118) max 0.57 (.022) +7% -7% 0.75 (.030) ± 0.25 (.010) 1.75 (.069) ± 0.25 (0.10) 1.75 (.069) ± 0.25 (0.10) Marking On packaging only Operating temperature -55 C to +150 C olerance on Rn (25 C) ±1%, ±2%, ±3% Maximum dissipation at 25 C 0.16 W hermal dissipation factor* 3 mw/ C 3 mw/ C 2 mw/ C hermal time constant 8 s 8 s 6 s Response time < 2 s

2 NC Accurate hermistors NP30 - NJ 28 NI 24 NK 20 ABLE OF VALUES ypes Rn at 25 C (Ω) Material Code B (K) at 25 C (%/ C) N _ KA ,000 KA 3625 ± 1% 4.1 N _ MA ,000 MA 3965 ± 0.5% 4.5 N _ MA ,000 MA 3965 ± 0.5% 4.5 N _ MA ,000 MA 3965 ± 0.5% 4.5 N _ NA ,000 NA 4100 ± 1% 4.6 N _ PA ,000 PA 4235 ± 1% 4.8 N _ QA ,000 QA 4250 ± 1% 4.8 N _ RA ,000 RA 4380 ± 1% 4.9 * = Add type as outlined above (Example NJ 2 8). Resistance - emperature characteristics: pages 30 to 34. HOW O ORDER NJ28 MA 0502 M - - ype NP30 NJ28 NI24 Material Code MA (See table above) Resistance 5 kω (See table above) olerance F (±1%) G (±2%) H (±3%) Packaging : Bulk Ammopack (for NP30 and NJ28) (See table page 25) ape and reel (for NP30 and NJ28) (See table page 25)

3 NC hermistors Manufacturing Process NP30 - NJ 28 NI 24 NK 20 3

4 NC Disc hermistors Packaging for Automatic Insertion PACKAGING AND KINK SUFFIXES ables below indicate the suffixes to specify when ordering to get the required kink and packaging. For devices on tape, it is necessary to specify the height (H or Ho) which is the distance between the tape axis (sprocket holes axis) and the seating plane on the printed circuit board. he following types can be ordered on tape either in AMMOPACK (fan folder) or on REEL in accordance with IEC Straight leads: H represents the distance between the sprocket holes axis and the bottom plane of component body (base of resin or base of stand off). Kinked leads and flat leads: Ho represents the distance between the sprocket holes axis and the base on the knee (kinked leads) or the bottom of the flat part (flat leads). Reel & Ammopack millimeters (inches) ypes Suffix H or Ho Leads Quantity/Size Packaging ND/NE 03 CA Straight 3000 AMMOPACK & NJ28 CB Straight 3000 REEL CC Straight 3000 AMMOPACK CD Straight 3000 REEL NP30 CA Straight 1500 AMMOPACK CB Straight 1500 REEL CC Straight 3000 AMMOPACK CD Straight 3000 REEL ND/NE/NV DA 06/09 Straight 1500 AMMOPACK DB Straight 1500 REEL DC Straight 1500 AMMOPACK DD Straight 1500 REEL DL Kinked 1500 AMMOPACK DM ) Kinked 1500 REEL DN Kinked 1500 AMMOPACK DP Kinked 1500 REEL NC ype ND03 NE03 NJ28 NP30 NC ypes ND/NE/NV 06/09 H 2.54 (0.10) H Ho 5.08 (0.20) Bulk ype Quantity/box ND/NE ND/NE ND/NE NV NV NI24 NJ28 NK NP

5 Automatic Insertion NC Disc hermistors APING CHARACERISICS Missing components A maximum of 3 consecutive components may be missing from the bandolier, surrounded by at least 6 filled positions. he number of missing components may not exceed 0.5% of the total per packing module. he beginning and the end of tape exhibit 8 or 9 blank positions. DIMENSIONS: millimeters (inches) AMMOPACK REEL H 8 (.315) 30 (1.18) Interlayer Paper I L I H 330 (13.0) 46 (1.81) 290 (11.4) L 31 (1.22) 360 (14.2) 42 (1.66) Inside 48(1.99) Outside h h P Reference plane p p Marking on this side H1 W2 P1 A B E H0 W1 W0 W H H1 Adhesive tape I2 D0 P0 d Cross section A - B Direction of unreeling t E Value olerance Dimensions Characteristics / -0.5 W Leading tape width 6 ±0.3 W 0 Adhesive tape width / -0.5 W1 Sprocket hole position 3 max. W2 Distance between the top of the tape and the adhesive 4 ±0.2 D0 Diameter of sprocket hole 16/19.5 ±0.5 H0 Distance between the tape axis and the seating plane of the component H1 Distance between the tape axis and the top of component body Value olerance Dimensions Characteristics 12.7 ±0.2 P0 Sprocket holes pitch 254 ±1 Distance between 21 consecutive holes 20 pitches 0.7 ±0.2 t otal thickness of tape E Lead spacing ± 0.7 P 1 Distance between the sprocket hole axis and the lead axis 12.7 ±1.0 P Spacing of components ±5% d Lead diameter 0 ±1.3 3 P Verticality of components 0 ±2 3 h Alignment of components 5

6 ables of Resistance vs emperature I 3250 R() / R25 F (%) α (%/ C) J-J R() / R25 F (%) α (%/ C) K 3630 R() / R25 F (%) α (%/ C) KA 3625 R() / R25 F (%) α (%/ C) KC 3470 R() / R25 F (%) α (%/ C) L 3790 R() / R25 F (%) α (%/ C)

7 ables of Resistance vs emperature L R() / R25 F (%) α (%/ C) M 3950 R() / R25 F (%) α (%/ C) MA 3965 R() / R25 F (%) α (%/ C) MC 3910 R() / R25 F (%) α (%/ C) N 4080 R() / R25 F (%) α (%/ C) NA 4100 R() / R25 F (%) α (%/ C)

8 ables of Resistance vs emperature NC 4080 R() / R25 F (%) α (%/ C) NE 4100 R() / R25 F (%) α (%/ C) N R() / R25 F (%) α (%/ C) P 4220 R() / R25 F (%) α (%/ C) PA 4235 R() / R25 F (%) α (%/ C) Q 4300 R() / R25 F (%) α (%/ C)

9 ables of Resistance vs emperature QA 4250 R() / R25 F (%) α (%/ C) R 4400 R() / R25 F (%) α (%/ C) RA 4380 R() / R25 F (%) α (%/ C) RC 4340 R() / R25 F (%) α (%/ C) S 4520 R() / R25 F (%) α (%/ C) SC 4500 R() / R25 F (%) α (%/ C)

10 ables of Resistance vs emperature 4630 R() / R25 F (%) α (%/ C) U 4840 R() / R25 F (%) α (%/ C)

NB 21 IEC SIZE : (.063) 0.2 (.008) 0.8 (.031) ±0.2 (.008) 0.8 (.031) ±0.2 (.008) 0.2 (.008) min 0.2 (.008) min

NB 21 IEC SIZE : (.063) 0.2 (.008) 0.8 (.031) ±0.2 (.008) 0.8 (.031) ±0.2 (.008) 0.2 (.008) min 0.2 (.008) min NC SMD hermistors NB 21 (Ni Barrier/100% Sn ermination) Chip thermistors are high quality and low cost devices especially developed for surface mounting applications. hey are widely used for temperature