Perintang
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Transcript of Perintang
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KUMPULAN CNUR ASMAA ABD SAMADIDA FAIRUZ WAHIDNURULSYAQILA KAMALUDINFARHANA MANAN
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TOPIK PERINTANG
Perintang Tetap
Bacaan Kod Warna
Kaedah Pengujian Perintang
Sambungan Litar Perintang
Perintang Fusible
Perintang Boleh Ubah
Perintang Preset
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PERINTANG ( RESISTOR)
PERINTANG TETAP
(FIXED RESISTOR)(FIXED RESISTOR)
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APA ITU PERINTANG
Komponen yang mempunyai rintangan elektrikyang digunakan untuk mengawal pengaliran
Merupakan komponen pasifMerupakan komponen pasif
Berfungsi untuk menghadkan arus mengalir melaluinya
Arus yang melepasi perintang adalah berkadar sonsangdengan nilai perintang
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APA ITU PERINTANG ????
Arus α 1/ Perintang
Nilai Perintang Nilai Arus KeluaranNilai Perintang Nilai Arus Keluaran
10 Ohm
1K Ohm
1M Ohm
1G Ohm
Sem
akin
Berku
rangan
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APA ITU PERINTANG ????
Dibuat dari filem karbon / filem logam / lilitan wayar /seramik
Nilai rintangan diwakili oleh kod warna pada komponen
Saiz perintang mewakili nilai kuasa. Saiz yang lebih besarmenunjukkan kuasa yang lebih besar
1/4W, 1/2W, 1W, 2W, 5W, 10W, 18W
Saiz perintang semakin besar
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SIMBOL SKEMATIKPERINTANG
R11K1K
atau
R11K
Perintang diwakili R
Unit ukuran Ohm ( Ω )
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KOD WARNA PERINTANG
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KOD WARNA
Hitam (0) = Haji
Coklat (1) = Cik
Merah (2) = Mat
Oren (3) = Orang
Kuning (4) = Kaya
CARA MENGHAFAL
Haji Cik Mat Orang KayaHijau (5) = Hendak
Biru (6) = Beli
Ungu (7) = Ubi
Kelabu (8) = Kayu
Putih (9) = Putih
Emas (5%) = Enggan
Perak (10%) = Pulang
T/Warna (20%) = Tanpa Wang
Haji Cik Mat Orang KayaHendak Beli Ubi KayuPutih Enggan PulangTanpa Wang
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NILAI PENDARAB
1000 = 1k (kilo) 1000000 = 1M (mega)
CONTOH : CONTOH :CONTOH : CONTOH :
2000 = 2k Ohm
47000 = 47k Ohm
5600 = 5.6k Ohm
680000 = 680k Ohm
4000000 = 4M Ohm
1500000 = 1.5M Ohm
27000000 = 27M Ohm
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PERINTANGHuruf & Kod Angka
NILAI DITANDA
0.47
1
R47
1R01
4.7
47
100
1k
10k
10M
1R0
4R7
47R
100R
1k0
10k
10M
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PERINTANGHuruf & Kod Angka
CONTOH :
Nilai Ditanda
1) 2700
2) 15700
3) 1200000
2k7
15k7
1M2
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KOD WARNA PERINTANG
Jalur 1 (A)
Jalur 2 (B)
Formula :
4 JALUR
Perintang
Jalur 2 (B)
Pendarab (C)
Toleransi (D)
AB x 10c Ohm + D %
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Jalur 1
Jalur 2
KOD WARNA PERINTANG
Kuning = 4
Ungu = 7
5 JALUR
CONTOH 2
Jalur 2
Pendarab
Toleransi
Kuning = 2 (00)
Emas = +/-5%
NILAI PERINTANG
47 x 104 Ohm +/-5%
470k Ohm +/-5%
Perintang
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Jalur 1 (A)
Jalur 2 (B)
KOD WARNA PERINTANG
Hijau = 5
Biru = 6
4 JALUR
CONTOH 1
Jalur 2 (B)
Pendarab (C)
Toleransi (D)
Merah = 2 (00)
Emas = +/-5%
NILAI PERINTANG
56 x 102 Ohm +/-5%
5k6 Ohm +/-5%
Perintang
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KOD WARNA PERINTANG5 JALUR
Jalur 1 (A)
Jalur 2 (B)Jalur 2 (B)
Pendarab (D)
Toleransi (E)
Jalur 3 (C) Formula :
ABC x 10D Ohm + E %
Perintang
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Jalur 1
Jalur 2
Hijau = 5
Biru = 6
KOD WARNA PERINTANG5 JALUR
CONTOH 1
Jalur 2
Jalur 3
Jalur pendarab
Hitam = 0
Merah = 2 (00)
Perintang
ToleransiCoklat = 1%
R = 560 x 102 Ohm +5%
= 56k Ohm + 5%
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Jalur 1
Jalur 2
kuning = 4
unggu = 7
KOD WARNA PERINTANG5 JALUR
CONTOH 1
Jalur 2
Jalur 3
Jalur pendarab
Hitam = 0
Kuning = 4 (0000)
Perintang
Toleransi Coklat = 1%
R = 470 x 104 +5%
= 4M7 Ohm + 5%
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PERINTANG SURFACE MOUNT
A
B
C
Formula :
AB x 10c Ohm R = 10 x 102
= 1k Ohm
Contoh :
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KAEDAH PENGUJIANPERINTANG
Pengujian Boleh Dilakukan Dengan Menggunakan :
• METER OHM ANALOG
• METER OHM DIGITAL
• RCL METER
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MENYUKAT / MENGUJIPERINTANG
Menggunakan meter Ohm Analog
1. Baca nilai mengikut kod warna
2. Pilih julat (range) ohm meter yang2. Pilih julat (range) ohm meter yangsesuai (Rx1, Rx10, Rx100, Rx1k, Rx10k)
3. Pintaskan kaki (lead)
4. Laraskan 0 Ohm
5. Ukur perintang & baca skala
6. Darabkan skala dengan julat yang dipilih
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MENYUKAT / MENGUJIPERINTANG
Menggunakan meter Ohm Analog
Contoh 1
Bacaan kod warna 2k2 OhmBacaan kod warna 2k2 Ohm
Julat yang sesuai Rx100 atau Rx1k
Bacaan skala 22 2.2
Nilai R 2k2 Ohm 2k Ohm
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MENYUKAT / MENGUJIPERINTANG
Menggunakan meter Ohm Analog
Contoh 2
Bacaan kod warna 22k OhmBacaan kod warna 22k Ohm
Julat yang sesuai Rx100 atau Rx1k
Bacaan skala 220 22
Nilai R 22k Ohm 2k Ohm
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MENYUKAT / MENGUJIPERINTANG
Menggunakan meter Ohm Analog
Contoh 3
Bacaan kod warna 470k OhmBacaan kod warna 470k Ohm
Julat yang sesuai Rx1k atau Rx10k
Bacaan skala 470 4.7
Nilai R 470k Ohm 470k Ohm
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MENYUKAT / MENGUJIPERINTANG
3.Baca nilai
2.Set tombol ke ohm
1.Ukur perintang
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JUMLAH RINTANGAN
Terdapat dua kaedah sambungan perintang.
1. Sambungan secara sesiri
2. Sambungan secara selari2. Sambungan secara selari
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JUMLAH RINTANGAN
Sambungan secara SE SIRI
Formula, RJ = R1+R2+R3+......
RJ = R1 R2 R3
Contoh 1 :
RJ = 3k3 + 3k3 + 3k3
= 9k9 Ω
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JUMLAH RINTANGAN
Sambungan secara SE SIRI
Formula, RJ = R1+R2+R3+......
RJ = R1 R2 R3
Contoh 2 :
RJ = 1k + 1k + 680
= 2k68 Ω
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JUMLAH RINTANGAN
Sambungan secara SE SIRI
Formula, RJ = R1+R2+R3+......
RJ = R1 R2 R3
Formula, RJ = R1+R2+R3+......
Contoh 3 :
RJ = 470k + 470k + 560k
= 1M5 Ω
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Sambungan secara SELARI
Formula, RJ = R1 x R2
RJ = R1 R2 R3
JUMLAH RINTANGAN
R1 + R2
RJ R1 R2
Contoh 1 :
RJ = 1000 x 1000 = 500 Ω
RJ = R1 R2 R3
1000 + 1000
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Sambungan secara SELARI
JUMLAH RINTANGAN
RJ R1 R2Formula, RJ = R1 x R2
R1 x R2
Contoh 2 :
RJ = 22k x 22k = 11k Ω
22k + 22k
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Sambungan secara SELARI
JUMLAH RINTANGAN
RJ R2Formula, RJ = R1 x R2
R1 x R2
R1
Contoh 3 :
RJ = 1k x 2k7 = R7 Ω
1k + 2k7
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KESIMPULAN RINTANGANSESIRI & SELARI
Jumlah perintang secara sesiri hanya dicampurkansahaja
Jumlah dua perintang secara selari yang sama nilainya,adalah sama dengan nilai separuh (1/2) bagi satu rintangantersebut
Dalam litar selari, jumlah rintangan adalah kurang daripadaperintang yang terkecil
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JENIS KEROSAKANPERINTANG
Terdapat dua jenis kerosakkan perintang
1. Terbuka (opened)1. Terbuka (opened)
- Bila diukur, bacaannya infiniti (∞)
2. Bertambah nilai
- Contoh : nilai kod warna 20k
- Bila diukur, 100k
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KEROSAKAN PERINTANG
NILAI KODWARNA
NILAI DIUKURDGN METER OHM
JENISKEROSAKAN
R1 1 15/20/30/40/150Ohm
Bertambah nilai
R2 47 Infiniti Terbuka
R3 560 4k6 Ohm Bertambah nilaiR3 560 4k6 Ohm Bertambah nilai
R4 12k Infiniti Terbuka
R5 100k 675k Ohm Bertamah nilai
R5 1M Infiniti Terbuka
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PERINTANG