huaju
SMD overheat protection PTC thermistor
SMDRBH temperature-controlled PTC thermistor takes advantage of the characteristic that the resistance value of the PTC thermistor rises suddenly above the Curie temperature. When the ambient temperature rises abnormally, the protection circuit equipped with the PTC thermistor changes in resistance value. Connect or disconnect the circuit to protect the components.
- Commodity name： SMD overheat protection PTC thermistor
- 产品描述
- 产品规格及参数
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Huaju Electronics is a professional thermistor manufacturer. The company mainly engages in the R&D and production of thermistors, varistors, and resettable fuses. Relying on its strong R&D capabilities, the company has recently launched an overheating protection PTC thermistor, which is another flagship product of the company. This chip positive temperature coefficient (PTC) thermistor is a reflow soldered SMD type and is used for overheat sensing of power transistors, power diodes and power ICs in hybrid circuits.
■Features
1. The SMD type is small in size and light in weight, helping to miniaturize circuits.
2. Excellent thermal response due to its small size.
3. Its solid structure has excellent resistance to mechanical vibration and impact.
4. Non-contact action design allows for noiseless operation.
product description
Product Overview of PTC Thermistors for Overheating Protection
SMDRBH temperature-controlled PTC thermistor takes advantage of the characteristic that the resistance value of the PTC thermistor rises suddenly above the Curie temperature. When the ambient temperature rises abnormally, the protection circuit equipped with the PTC thermistor changes in resistance value. Connect or disconnect the circuit to protect the components.
Main parameters of SMDRBH temperature control PTC thermistor
Protection temperature point TS(℃)
Rated zero power resistance value R25 (Ω)
Protection temperature -5℃ Resistance value (Rs-5, Max)
Protection temperature +5℃ Resistance value (Rs+5, Min) 3. Model name, appearance, structure and dimensions:
SMDRBH chip temperature control PTC thermistor
Double temperature control point series
model
maximum voltage
Rated resistance value R25
Protection temperature 1
Protection temperature 2
Operating temperature
Vmax(Vdc)
R25(Ω)
(℃) (℃) (℃)
Ts1 Ts2 SMDRBH-0402-471-115D 32 471 115±5 4.7KΩ 130±7 47KΩ -40 to 140 SMDRBH-0402-541-115D 540 115±5 4.7KΩ 135±7 47KΩ -40 to 150 SMDRBH-0402-102-65D 1K 65±5 10KΩ 80±3 100KΩ -40 to 90 SMDRBH-0402-102-75D 1K 75±5 10KΩ 90±3 100KΩ -40 to 100 SMDRBH-0402-102-85D 1K 85±5 10KΩ 100±3 100KΩ -40 to 110 SMDRBH-0402-102-95D 1K 95±5 10KΩ 110±3 100KΩ -40 to 120 SMDRBH-0402-102-105D 1K 105±5 10KΩ 120±3 100KΩ -40 to 130 SMDRBH-0402-102-115D 1K 115±5 10KΩ 130±3 100KΩ -40 to 140 SMDRBH-0402-102-125D 1K 125±5 10KΩ 140±3 100KΩ -40 to 150 SMDRBH-0402-102-135D 1K 135±5 10KΩ 150±3 100KΩ -40 to 160 SMDRBH-0603-471-65D 470 65±5 4.7KΩ 80±7 47KΩ -40 to 90 SMDRBH-0603-471-75D 470 75±5 4.7KΩ 90±7 47KΩ -40 to 100 SMDRBH-0603-471-85D 470 85±5 4.7KΩ 100±7 47KΩ -40 to 110 SMDRBH-0603-471-95D 470 95±5 4.7KΩ 110±7 47KΩ -40 to 120 SMDRBH-0603-471-105D 470 105±5 4.7KΩ 120±7 47KΩ -40 to 130 SMDRBH-0603-471-115D 470 115±5 4.7KΩ 130±7 47KΩ -40 to 140 SMDRBH-0603-471-125D 470 125±5 4.7KΩ 140±7 47KΩ -40 to 150 SMDRBH-0603-471-135D 470 135±5 4.7KΩ 150±7 47KΩ -40 to 160 SMDRBH-0603-471-145D 470 145±5 4.7KΩ 160±7 47KΩ -40 to 170 Ordinary chip temperature control PTC thermistor
model
maximum voltage
Protection temperature point
Rated resistance value R25
Lower limit temperature control point RS-5(℃)
Upper limit temperature control point RS+5(℃)
Operating temperature
Vmax(Vdc)
Ts(℃)
R25(Ω)
TL(℃)
RL(Ω)
TH (℃)
RH(Ω)
(℃)
SMDRBH-0402-471-105 32 105±5 470 100 ≤4.7K
110
≥4.7K
-25～+120 SMDRBH-0402-471-115 115±5 110
120 -25～+130 SMDRBH-0402-471-125 125±5 120 130 -25～+140 SMDRBH-0402-202-75 75±5 2K 70 ≤20K
80 ≥20K -25～+90 SMDRBH-0402-103-80 80±5 10K 75 ≤4.7M
85
≥4.7M
-20～+90 SMDRBH-0402-103-100 100±5 95 105 -20～+115 SMDRBH-0402-103-110 110±5 105 115 -20～+125 SMDRBH-0402-103-130 130±5 125 135 -25～+145 SMDRBH-0402-473-130 130±5 47K 125 135 -25～+145 SMDRBH-0603-101-130 twenty four 130±7 100 123
≤1K
137 ≥1K -25～+145 SMDRBH-0603-221-90 90±7 220 83 ≤2.2K
97 ≥2.2K -25～+105 SMDRBH-0603-221-105 105±7 98 112 -25～+120 SMDRBH-0603-471-65 32 65±5 470 60
≤4.7K
70
≥4.7K
-25～+80 SMDRBH-0603-471-75 75±5 70 80
-25～+90 SMDRBH-0603-471-85 85±5 80 90 -25～+100 SMDRBH-0603-471-95 95±5 90 100 -25～+110 SMDRBH-0603-471-105 105±5 100 110
-25～+120 SMDRBH-0603-471-115 115±5 110
120 -25～+130 SMDRBH-0603-471-125 125±5 120 130 -25～+140 SMDRBH-0603-471-135 135±5 130 140
-25～+150 SMDRBH-0603-471-145 145±5 140 150 -25～+165 SMDRBH-0603-472-105 105±5 4.7K
100 ≤47K
110
≥47K -25～+120 SMDRBH-0603-103-75 75±5 10K
70 ≤1M
80 ≥4.7M -25～+90 SMDRBH-0603-103-80 80±5 75 85
-25～+95 SMDRBH-0603-103-110 110±5 105 115
-25～+125 SMDRBH-0603-103-120 120±5 115 125 -25～+135 SMDRBH-0603-103-130 130±5 125 135 -25～+145 SMDRBH-0603-473-130 130±5 47K 125 ≤4.7M ≥10M -25～+145 SMDRBH-0805-101-110 twenty four 110±7 100 103
≤1K
117
≥1K
-25～+125 SMDRBH-0805-101-115 115±7 108 122
-25～+130 SMDRBH-0805-101-130 130±7 123 137 -25～+145 SMDRBH-0805-471-65 32 65±5 470 60
≤4.7K
70
≥4.7K
-25～+80 SMDRBH-0805-471-75 75±5 70 80
-25～+90 SMDRBH-0805-471-85 85±5 80 90 -25～+100 SMDRBH-0805-471-95 95±5 90 100 -25～+110 SMDRBH-0805-471-105 105±5 100 110
-25～+120 SMDRBH-0805-471-115 115±5 110
120 -25～+130 SMDRBH-0805-471-125 125±5 120 130 -25～+140 SMDRBH-0805-471-135 135±5 130 140
-25～+150 SMDRBH-0805-103-130 130±5 10K 125 ≤4.7M
135
≥4.7M -25～+145 Automotive temperature control PTC thermistor
model
maximum voltage
Protection temperature point
Rated resistance value R25
Lower limit temperature control point RS-5(℃)
Upper limit temperature control point RS+5(℃)
Operating temperature
Vmax(Vdc)
Ts(℃)
R25(Ω)
TL(℃)
RL(Ω)
TH (℃)
RH(Ω)
(℃)
SMDRBH-0603-471-65A 32 65±5 470 60
≤4.7K
70
≥4.7K
-40～+150 SMDRBH-0603-471-75A 75±5 70 80
SMDRBH-0603-471-85A 85±5 80 90 SMDRBH-0603-471-95A 95±5 90 100 SMDRBH-0603-471-100A 105±5 100 110
SMDRBH-0603-471-115A 115±5 110
120 SMDRBH-0603-471-125A 125±5 120 130 SMDRBH-0603-471-135A 135±5 130 140
SMDRBH-0603-471-145A 145±5 140 150 SMDRBH-0805-471-65A 65±5 60
70
SMDRBH-0805-471-75A 75±5 70 80
SMDRBH-0805-471-85A 85±5 80 90 SMDRBH-0805-471-95A 95±5 90 100 SMDRBH-0805-471-105A 105±5 100 110
SMDRBH-0805-471-115A 115±5 110
120 SMDRBH-0805-471-125A 125±5 120 130 SMDRBH-0805-471-135A 135±5 130 140
0603 SMD dual temperature control point temperature controlled PTC thermistor for automobiles
model
maximum voltage
Rated resistance value R25
Protection temperature point at4.7 KΩ
Protection temperature point at47 KΩ
Operating temperature
Vmax(Vdc)
R25(Ω)
Ts1 (℃)
Ts2 (℃)
(℃)
SMDRBHA-0603-471-65DA 32 470 65±5 80±7 -40～+150 SMDRBHA-0603-471-75DA 32 470 75±5 90±7 -40～+150 SMDRBHA-0603-471-85DA 32 470 85±5 100±7 -40～+150 SMDRBHA-0603-471-95DA 32 470 95±5 110±7 -40～+150 SMDRBHA-0603-471-105DA 32 470 105±5 120±7 -40～+150 SMDRBHA-0603-471-115DA 32 470 115±5 130±7 -40～+150 SMDRBHA-0603-471-125DA 32 470 125±5 140±7 -40～+160 SMDRBHA-0603-471-135DA 32 470 135±5 150±7 -40～+170 0805 SMD temperature control PTC thermistor for automobiles
model
maximum voltage
Protection temperature point
resistance
Operating temperature
Vmax(Vdc)
Ts(℃)
R25(Ω)
Ts-5
Ts+5
Ts+15
(℃)
SMDRBHA-0805-681-60A 32 60±5 680 ≤5.5K ≥13.3K ≥40K -40～+150 SMDRBHA-0805-681-70A 32 70±5 680 ≤5.5K ≥13.3K ≥40K -40～+150 SMDRBHA-0805-681-80A 32 80±5 680 ≤5.5K ≥13.3K ≥40K
-40～+150 SMDRBHA-0805-681-90A 32 90±5 680 ≤5.5K ≥13.3K ≥40K -40～+150 SMDRBHA-0805-681-95A 32 95±5 680 ≤5.5K ≥13.3K ≥40K -40～+150 SMDRBHA-0805-681-100A 32 100±5 680 ≤5.5K ≥13.3K ≥40K -40～+150 SMDRBHA-0805-681-110A 32 110±5 680 ≤5.5K ≥13.3K ≥40K -40～+150 SMDRBHA-0805-681-120A 32 120±5 680 ≤5.5K ≥13.3K ≥40K -40～+150 SMDRBHA-0805-681-130A 32 130±5 680 ≤5.5K ≥13.3K ≥40K -40～+150 Hua Ju Temperature Sensor Co., Ltd. overheat protection type PTC thermistor and Murata overheat protection type PTC thermistor interchange comparison table
Murata (muRata) model EPCOS part number Huajuan Sensing temperature(℃)
0402 PRF15BG102RB6RC / SMDRBH-0402-102-65D 65 PRF15BF102RB6RC / SMDRBH-0402-102-75D 75 PRF15BE102RB6RC / SMDRBH-0402-102-85D 85 PRF15BD102RB6RC / SMDRBH-0402-102-95D 95 PRF15BC102RB6RC / SMDRBH-0402-102-105D 105 PRF15BB102RB6RC / SMDRBH-0402-102-115D 115 PRF15BA102RB6RC / SMDRBH-0402-102-125D 125 PRF15AR102RB6RC / SMDRBH-0402-102-135D 135 PRF15BC471QB1RC B59421A0105A062 SMDRBH-0402-471-105 105 PRF15BB471QB1RC B59421A0115A062 SMDRBH-0402-471-115 115 PRF15BA471QB1RC B59421A0125A062 SMDRBH-0402-471-125 125 PRF15BG103RB6RC / SMDRBH-0402-103-80 80 PRF15BE103RB6RC / SMDRBH-0402-103-100 100 PRF15BD103RB6RC / SMDRBH-0402-103-110 110 PRF15BB103RB6RC / SMDRBH-0402-103-130 130 PRF15BB473RB6RC / SMDRBH-0402-473-130 130 0603 PRF18BG471QB5RB / SMDRBH-0603-471-65 65 PRF18BF471QB5RB B59601A0075A062 SMDRBH-0603-471-75 75 PRF18BE471QB5RB B59601A0085A062 SMDRBH-0603-471-85 85 PRF18BD471QB5RB B59601A0095A062 SMDRBH-0603-471-95 95 PRF18BC471QB5RB B59601A0105A062 SMDRBH-0603-471-105 105 PRF18BB471QB5RB B59601A0115A062 SMDRBH-0603-471-115 115 PRF18BA471QB5RB B59601A0125A062 SMDRBH-0603-471-125 125 PRF18BF103QB1RB / SMDRBH-0603-103-80 80 PRF18BC103QB1RB / SMDRBH-0603-103-110 110 PRF18BB103QB1RB / SMDRBH-0603-103-120 120 PRF18BA103QB1RB / SMDRBH-0603-103-130 130 PRF18BA473QB1RB / SMDRBH-0603-473-130 130 PRF18AR471QB5RB B59601A0135A062 SMDRBH-0603-471-135 135 PRF18AS471QB5RB B59641A0145A062 SMDRBH-0603-471-145 145 0805 PRF21BG471QB5RB B59701A0070A062 SMDRBH-0805-471-65 65 PRF21BF471QB5RB B59701A0080A062 SMDRBH-0805-471-75 75 PRF21BE471QB5RA B59701A0090A062 SMDRBH-0805-471-85 85 PRF21BD471QB5RA B59701A0100A062 SMDRBH-0805-471-95 95 PRF21BC471QB5RA B59701A0110A062 SMDRBH-0805-471-105 105 PRF21BB471QB5RA B59701A0120A062 SMDRBH-0805-471-115 115 PRF21BA471QB5RA B59701A0130A062 SMDRBH-0805-471-125 125 PRF21AR471QB5RA B59701A0140A062 SMDRBH-0805-471-135 135 PRF21AS471QB5RA / SMDRBH-0805-471-145 145 / B59721A0070A062 SMDRBHA-0805-681-70 70 / B59721A0080A062 SMDRBHA-0805-681-80 80 / B59721A0900A062 SMDRBHA-0805-681-90 90 / B59721A0100A062 SMDRBHA-0805-681-100 100 / B59721A0110A062 SMDRBHA-0805-681-110 110 / B59721A0120A062 SMDRBHA-0805-681-120 120 / B59721A0130A062 SMDRBHA-0805-681-130 130
Key words:
SMD overheat protection PTC thermistor
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